CN1221644A - Cyclone dispersion absorbing/separating process and absorbing tower - Google Patents
Cyclone dispersion absorbing/separating process and absorbing tower Download PDFInfo
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- CN1221644A CN1221644A CN 98103452 CN98103452A CN1221644A CN 1221644 A CN1221644 A CN 1221644A CN 98103452 CN98103452 CN 98103452 CN 98103452 A CN98103452 A CN 98103452A CN 1221644 A CN1221644 A CN 1221644A
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Abstract
A separation process using cyclone divergence absorption and the absorption tower are disclosed for purifying waste gas and chemical synthesis. They include cyclone centrifugal divergence, atomizing, mass transfer, gas mixing and absorption, mass synthesis, separating and degradating granular matter and deatomizing. A pin-wheel rotor is used to start cyclone. Guide barrel is arranged in gas inlet cavity, lining body and hammer body are coaxially installed with pin wheel in the center and at periphery of cyclone field. An aerating system and/or absorbent spray system are arranged after the rotor. A guiding conic table in which hammer body is installed is arranged at the inlet of purified gas discharge port.
Description
The invention belongs to the Chemical Reaction Engineering field, relate to that centrifugal discrete, the atomizing of eddy flow, mass transfer, gas mixing, GAS ABSORPTION, material are synthetic, particulate separation degraded and demist technology.
The core of waste gas purification and flue gas desulfurization technique is an absorption tower.The absorption efficiency on absorption tower depends on the dispersion degree and the mass transfer reaction speed of thing phase in the tower.The waste gas purification absorption tower disperses off-gas flows and absorbent by orifice plate or filler.Filler or orifice plate have been arranged, the volume on absorption tower, the corresponding increase of weight.Concerning some waste gas that is difficult for absorbing, orifice plate and filler are high not enough to the dispersion degree of waste gas, influence purification efficiency.
Number rotary spraying and drying method is most economical in the flue gas desulfurization technique, and desulfuration efficiency can reach 80～85%.This method was used for industry by U.S. JOY company and the joint research and development success of Denmark NIRO company in 1978, occupied 10.2% international desulphurization market at present.Even if Jing Ji desulfur technology is used for the coal-fired thermal power station like this, the investment of complete set of equipments also is equivalent to 10% of gross investment.Must be equipped with the reason of deduster and demister before and after its absorption tower that holds at high price, the complicated and high reason of rotor technology content of transmission device is also arranged.
The rotary spraying and drying method in the absorption tower, adopted one at a high speed the rotating disk of 5～75 centimetres of the diameters of rotation will flow to absorbent centrifugal atomization on the card and go out and realize atomizing, carry out mass transfer reaction with flue gas in the tower.Rotary speed is up to 10000～20000 commentaries on classics/per minutes.Desulfuration efficiency is directly proportional with rotary speed.Because the rotating speed height, the rotating disk requirement for dynamic balance is very high, and also be affected service life.Though domestic this desulfur technology of having introduced, crucial rotating disk is dependence on import still.The rotary spraying and drying law technology is in operation, and to exceed theoretical value a lot of for the absorbent of actual consumption, can reach three times more than, increased operating cost greatly.The reason that produces such result is that the absorbent fogging degree is not high enough.This method desulfuration efficiency is the highest only to reach 85%, its reason is except above-mentioned absorbent fogging degree is not high enough, chief reason is that tower inner rim absorbent distribution density was far smaller than the center after absorbent was rotated the atomizing ejaculation, and peripheral absorbent distribution density is too small.Absorbent by centrifugal ejaculation after, more to peripheric movement, the spacing between the mist pearl is big more, the density that droplet disperses is more little, the chance of SO2 and absorbent contact mass transfer is few more, absorption efficiency is low more.
One of purpose of the present invention is, propose a kind of new more simple and feasible, requirement for dynamic balance very low, to the discrete mutually degree height of thing, absorbent distribute more evenly, absorption or combined coefficient is higher, separating granular and the integrated cyclone dispersion absorbing/separating process that carries out of demist, secondly be to propose a kind of absorption tower according to the method.
One of technical scheme of the present invention is a kind of cyclone dispersion absorbing/separating process.The eddy flow that is used for gas, liquid or solid powder is discrete, mass transfer, GAS ABSORPTION, material is synthetic and the centrifugation of product, residue.This method adopts active mode, is realized by a cover transmission device, a rotor that is connected with transmission device.Integrate, this dispersion absorbing/separating process is synthetic by following nine function technical factors or submethod.
1, in variable cross-section tube or straight cylindrical centrifugal absorption and separation chamber by air inlet 1 one sides settling a kind of by metal loop week evenly dense arrangement be combined in pinwheel 7 on the wheel hub as rotor, coaxial with the centrifugal absorption and separation chamber, directly or indirectly link to each other with motor 3 with the bearing housing 2 that stretches into inlet chamber by axle 4.Rotor is done rotation at a high speed, starts eddy flow.Eddy flow comes impulse, centrifugal discrete a certain amount of gaseous state or liquid absorbent or additive again.Product behind the mass transfer reaction or residue continue to be subjected to action of centrifugal force and migrate to periphery.Terminal central area, centrifugal absorption and separation chamber is that pure qi (oxygen) is drawn outside the chamber.The solid particulate matter of periphery accumulation or liquid are collected in addition and are entered material-falling hopper 13.
2, near the cavity inner wall of centrifugal absorption and separation chamber, settling one or one group of lining body 11.The inner surface contour of lining body 11 is coaxial with pinwheel 7, and between the cavity of centrifugal absorption and separation chamber certain clearance is arranged.There are a lot of passages to be communicated with on the lining body 11 with this gap.Can change the lining body 11 of main wearing and tearing section.The design considerations of lining body 11 channel sized, shape and lining body 11 thickness is: centrifugal reaction product or the residue that comes out to arrive lining body 11 inwalls passed through, of the disturbance of center eddy flow can be alleviated, the wearing and tearing of particle can be reduced housing wall to gap internal layer thing phase.In the centrifugal absorption and separation chamber, be separated out the annular region of higher relatively, a weak relatively convection current of air pressure gesture place value, weak relatively momentum on the other hand, can limit the strong eddy flow in center transmits momentum for the particle of centrifugal arrival lining body 11, promote to see through particle, product and the energy dissipating of residue buffering of lining body 11, outstanding gravitational settling.
3, before the pinwheel 7, outside the bearing housing 2, be mounted with the direct exhaust air-flow enters centrifugal field from the position than long radius guide shell 5 with axle 4 is coaxial.
4, in the centrifugal absorption and separation chamber, settling the axial symmetry barrier 12 that to avoid the afterbody eddy current after the pinwheel 7.It is coaxial with pinwheel 7.Barrier 12 stops the eddy flow of center to pass through from the centrifugal field position with low tangential velocity, thereby before the barrier 12 or with guide shell 5 between form air pressure gesture place value relative higher, to the very poor axle center cylindrical region of fluidity, the main region that mass transfer reaction is separated with product pushes be with the centrifugal place of higher tangential velocity to outward.
5, after pinwheel 7, be mounted with spray system 9.Absorbent is further atomized by the high-speed rotational impulse after a plurality of atomizers tentatively atomize ejection.Nozzle is connected on the pipeline.The distribution of nozzle is made every effort to and can be made the absorbent decentralization that sprays in the certain limit in the centrifugal absorption and separation chamber roughly even after considering centrifugal action.
6, after pinwheel 7 or before be mounted with and carry air, oxygen etc. to add the aerating system 8 of gas or gaseous state absorbent.Add gas or gaseous state absorbent after a plurality of air nozzle ejections, discrete by high-speed exhaust gas eddy flow impulse, mass transfer reaction takes place mutually.The aeration mouth is connected on the pipeline, and the distribution of aeration mouth can make the decentralization of the interpolation gas of ejection in the certain limit in the centrifugal absorption and separation chamber or gaseous state absorbent roughly even.
7, the pure qi (oxygen) discharge port entrance adopts tubaeform frustum 16, is used for increasing pure qi (oxygen) and discharges the cross section, reduces near the axial flow velocity of the air-flow of centrifugal absorption and separation chamber afterbody pure qi (oxygen) outlet.
8, arranged concentric the axial symmetry barrier 15 that can avoid the afterbody eddy current in the frustum 16, it is coaxial with pinwheel 7, barrier 15 stops the eddy flow of center to pass through with higher axial velocity from the centrifugal field position with low tangential velocity, thereby before the barrier 15 or with barrier 12 or guide shell 5 between form air pressure gesture place value relative higher, to the relatively poor little central core region of fluidity, reduce centrifugal absorption and separation separated particle of going out of chamber afterbody and the residue disturbance possibility of bringing the central area into and entering the pure qi (oxygen) outlet again.
9, at centrifugal absorption and separation chamber afterbody, cavity, lining body 11 inwalls and discharge duct has or approximate have an axial symmetry of coordinating with centrifugal field, so that form rule as far as possible, with the boundary condition that centrifugal field is coordinated, be reduced in the possibility that centrifugal absorption and separation chamber afterbody produces eddy current.At material-falling hopper 13 and centrifugal absorption and separation chamber joining place, be mounted with axial symmetry or the local member jaggy of axial symmetry on the whole, be used for the centrifugal field border of shaping material-falling hopper 13 and centrifugal absorption and separation chamber joining place.
When the function of aerating system, spray system was distinguished independent and other functional configuration in the technical scheme one, scheme was still set up.
If there is not the feature of guide shell 5, hammer body 12, lining body 11, hammer body 15 respectively, perhaps do not have wherein two or three technical characterictics arbitrarily simultaneously in the technical scheme one, scheme is still set up.The absorption function of system can be weak under these situations, and the waste gas purifications or the material of absorption synthesize easily but still can be used for some.
Two of technical scheme of the present invention is a kind ofly to be used for waste gas absorption cleaning, material is synthetic, particle separates with remaining absorbent the eddy flow absorption and separation tower that disperses according to technical scheme one design.It has a cover to be positioned at the transmission device of variable cross-section tube or straight-tube shape shell air inlet 1 one side ends, a rotor that is connected with transmission device.The housing middle part is a centrifugal absorption and separation chamber cavity, and lower housing portion is the material-falling hopper 13 that is communicated with centrifugal absorption and separation chamber cavity.Integrate, the discrete absorption and separation tower of eddy flow has following 10 technical factors, and wherein the combination of part technical factor is again corresponding to the different types of this absorption and separation tower.
1, in the centrifugal absorption and separation chamber by air inlet 1 one side mountings or supportting one by metal loop week evenly dense arrangement be combined in pinwheel 7 on the wheel hub.It by axle 4 or/and the bearing housing 2 that stretches in the housing directly or indirectly link to each other with motor 3.
2, in the cavity of centrifugal absorption and separation chamber, housing middle part, fixing a cover lining body 11.It is made by metal or nonmetallic materials.Lining body 11 can be straight-tube shape or variable cross-section tubular.Lining body 11 keeps coaxial with pinwheel 7.Between lining body 11 major sections and the centrifugal absorption and separation cavity outer wall certain clearance is arranged.The upper port of lining body 11 slightly exceeds pinwheel 7 end faces; The tail end port diameter of lining body 11 is greater than the diameter of pure qi (oxygen) outlet, and is corresponding with certain radial spacing with the inlet of pure qi (oxygen) outlet 4.The link position leading of lining body 11 and inlet chamber is in the card of pinwheel 7.Lining body 11 can be selected a variety of patterns for use, availablely leaves vacancy with a kind of pattern segmentation, perhaps is nested perhaps different types segmentation combination, perhaps different types segmentation combination and leave vacancy, the perhaps local structure that can change with a kind of pattern multilayer concentric.Lining body 11 is fixed on the housing by rod member or lath.
3, in the centrifugal absorption and separation chamber, fixing an axial symmetry hammer body 12 coaxial after the pinwheel 7 with pinwheel 7.It is fixed on the peripheral member by rod member or bar, plate.
4, before pinwheel 7, outside the bearing housing 2, with bearing 4 coaxial straight-tube shape or the frustum guide shells 5 of being mounted with.Guide shell 5 head ends are connected with housing, and its tail end extends apart from the very little distance of pinwheel spoke pin end face.There is a ring flat-plate 6 to connect the afterbody of guide shell 5 and bearing housing 2.
5, after pinwheel, be mounted with absorbent atomizing spray system 9 before the hammer body 12.Nozzle is connected on the pipeline.Pipeline is crosswise or radial distribution on the cross section in the centrifugal absorption and separation chamber, also can be a plurality of ring-types or irregular distribution, the pattern that can also adopt multilayer to settle.Annular region inner nozzle certain on the cross section roughly evenly distributes.Can not settle nozzle in the certain limit of center.
6, after pinwheel, be mounted with before the spray system 9 and carry air, oxygen etc. to add the aerating system 8 of gas or gaseous state absorbent.The aeration mouth is connected on the pipeline.Pipeline is crosswise or radial distribution on the cross section in the centrifugal absorption and separation chamber, also can be a plurality of ring-types or irregular distribution, can also stay the pattern of settling with multilayer.The density that certain interior aeration mouth of annular region distributes on the cross section is roughly close.Can not settle the aeration mouth in the certain limit of center.
7, pure qi (oxygen) discharge port entrance section has drainage frustum 16.Horn mouth is towards the centrifugal absorption and separation chamber.
8, settling an axial symmetry barrier 15 in the drainage frustum 16.It is coaxial with pinwheel 7, is fixed on the drainage frustum 16.
9, the inlet chamber cavity is helical.Air-flow spiral direction is consistent with the rotation direction of pinwheel 7.Employing is cut the air inlet of stream mode helical and is used for reducing SR.Before starter motor 3, can draw the air inlet of (drum) wind in advance, after the eddy flow that utilizes air inlet to produce tentatively promotes pinwheel 7, open motor 3 again, so that reduce the startup line live stream of motor 3.
10, adopt steel to make in integral body, when a bearing housing 3 and axle 2 positions being carried out following heat insulation and cooling processing, the temperature that can be able to handle waste gas is increased to more than 250 ℃ even to 500～723 ℃ level again.
(1) the be tightly connected afterbody of guide shell 5 and bearing housing 2 of one or two concentric ring flat-plates 6 is arranged.A ring flat-plate 6 guide shell 5 that is tightly connected is perhaps arranged, and other has a tapered sleeve or other combinations be tightly connected respectively ring flat-plate 6 and bearing housing 2 afterbodys, and bearing housing 2 afterbodys are partially or completely embedded among the tapered sleeve, keeps the little gap of trying one's best between bearing housing 2 and the tapered sleeve.
(2) axle 4 is hollow, has air-flow or liquid stream to flow through, and enters the centrifugal absorption and separation chamber.Can settle jet thrust or nozzle on the axle 4 termination locknuts.
(3) outside the end bearing of bearing housing 2 afterbodys near the centrifugal absorption and separation chamber some ducts are arranged, but air feed stream or liquid stream flow through and enter the centrifugal absorption and separation chamber.Perhaps allow air-flow or liquid stream be introduced into gap between bearing housing 2 and the tapered sleeve, and then enter the centrifugal absorption and separation chamber.
According to circumstances can adopt pressure gas stream or liquid stream.In addition, axle 4 and bearing housing 2 afterbodys can be selected exotic material for use.
When aerating system, spray system were respectively independently with the other technologies feature configuration in the technical scheme two, scheme was still set up.
Technical scheme two exists the discrete absorption and separation tower of following current sedimentation eddy flow and the discrete two kinds of frameworks of absorption and separation tower of adverse current sedimentation eddy flow.Air-flow axially-movable direction and particle or residue are the discrete absorption and separation tower of following current sedimentation eddy flow to the unified substantially person of the direction of material-falling hopper migration in the centrifugal absorption and separation chamber, and the disunity person is the discrete absorption and separation tower of adverse current sedimentation eddy flow.Technical scheme two is discrete and two kinds of patterns of tilting also.
Advantage of the present invention is:
Compare with other discrete methods, the mixing that eddy flow discrete method technology is the simplest, produce, the effect of contact mass transfer are best.
Compare with general absorption tower or Tower for purifying waste gas, filler or orifice plate etc. have been saved in absorption tower of the present invention, alleviated the weight on absorption tower, improved the fogging degree of absorbent, mass transfer area improves greatly, chemical reaction velocity improves, so improved the absorption efficiency on absorption tower, has reduced the cost on absorption tower; Absorption tower itself has the centrifugation ability, can finish the centrifugation of product simultaneously, can eliminate the mist pearl in the emission gases fully, so can save dedusting and demist two class auxiliary equipment in peripheral chemical process system.
Compare with rotary spraying and drying method flue gas desulfurization technique, absorption tower of the present invention can be to realize equal so that the atomizing of higher degree absorbent far below the rotating speed of rotary spraying and drying method rotating disk, the absorbent degree that is uniformly dispersed is higher, thereby cut down the consumption of energy greatly, and significantly improve desulfuration efficiency, can also reduce the effective consumption of absorbent.Absorption tower of the present invention itself has the centrifugation ability, need not be equipped with back deduster and defogging equipment.When not reclaiming the absorption reaction product, deduster before can also no longer disposing before the absorption tower directly is connected with aiutage.Can carry out SO with the chamber
2Oxidation.Absorption tower of the present invention technology is simpler, and cost greatly reduces.
With cyclone dispersion absorbing/separating process of the present invention is that other chemical industry technology can be further developed on the basis.
Description of drawings.
Fig. 1 is that the present invention cuts and flows to the discrete absorption and separation tower figure of the vertical eddy flow of gas following current sedimentation.
Fig. 2 is the discrete absorption and separation tower figure of the vertical eddy flow of adverse current sedimentation of the present invention.
The corresponding member of each numbering is among the figure:
The 1-air inlet, 2-bearing housing, 3-motor, 4-axle, 5-guide shell, 6-ring flat-plate, 7-pinwheel, the 8-aerating system, the 9-spray system, the 10-body, 11-serves as a contrast body, 12-hammer body, 13-material-falling hopper, the 14-elbow, 15-hammer body, 16-drainage frustum, 17-border shaping frustum, 18-flange, 19-flange.
The present invention is described further below in conjunction with accompanying drawing.Referring to Fig. 1.Fig. 1 provides a kind of example structure that flows to the discrete absorption and separation tower of the vertical eddy flow of gas following current sedimentation of cutting according to the present invention program's two designs.
The discrete absorption and separation tower of Fig. 1 eddy flow is by a housing of being made up of top inlet chamber, centrifugal absorption and separation chamber, middle part, bottom material-falling hopper 13 and elbow 14.Inlet chamber side, top is connected with air inlet 1, and the upper surface is fixed with a motor 3, drives pinwheel 7 rotations by bearing housing 2 and the power transmission shaft 4 that stretches in the inlet chamber.Bearing housing 2 bottoms can extend apart from 20～30 millimeters places of pinwheel 7 end faces, form the multi-point support to axle 4, so that increase rotational stability.Guide shell 5 is arranged outside the bearing housing 2.
Fix a cover lining body 11, a cover aerator 8, near in the centrifugal absorption and separation chamber, middle part and overlapping liquid-jet device 9, an axial symmetry hammer body 12.The combined shaped of straight-tube shape, segmentation frustum or straight tube and frustum can be made in the centrifugal absorption and separation chamber.Can be connected with flange between air inlet 1 spiral head and the centrifugal absorption and separation chamber cavity, so that lining body 11, hammer body 12, pinwheel 7, aerating system 8, spray system 9 or rebush body 11 more are installed.
The bottom has material-falling hopper 13 to pass through mutually with elbow 14, and pure qi (oxygen) is discharged inlet drainage frustum 16, and arranged concentric has a hand hammer body 15 in the frustum 16.
The lining that thin wall cylinder that one of embodiment of lining body 11 is made by metal or nonmetallic materials and wing plate are formed.The hole of oval or the square or flute profile of circle is arranged on the barrel or leave fracture.Percent opening should be more than 25%, and the aperture should be greater than 15 millimeters.
The two straight plates of making by metal or nonmetallic materials of the embodiment of lining body 11 and the grid-like lining that ring flat-plate is formed.The grid size is less than 150 millimeters.
Three of the embodiment of lining body 11 is to be made by metal or nonmetallic materials, is venetian blind type.Blade pitgh is advisable with 15～150 millimeters.
Four of the embodiment of lining body 11 is the straight tubes that connected with muscle bar or plate with certain spacing successively by the short cylinder with diameter.The cylinder spacing is advisable with 15～150 millimeters.
Five of the embodiment of lining body 11 is happened frequently with the step of certain altitude successively by the tube circle that the diameter that metal or non-metallic plates are made differs, and connects into the lining of frustum with muscle in periphery.
Six of the embodiment of lining body 11 is straight tube and the awl tubes that got up and connect into muscle with a determining deviation spiral by the metal material lath.15～150 millimeters of spacings.
Gap between lining body 11 outer walls and the body 10 should be got 30～300 millimeters.
One of embodiment of hammer body 12 or hammer body 15 is, or/and nonmetallic materials are made, divides three sections of stem, throat and afterbodys by metal, and initial and tail sections all is the conical surface, and throat is a cylinder.
Two of the embodiment of hammer body 12 or hammer body 15 is, or/and nonmetallic materials are made, divides three sections of stem, throat and afterbodys by metal, and stem is a sphere, and throat is a cylinder, and afterbody is the conical surface.
Three of the embodiment of hammer body 12 or hammer body 15 is, or/and nonmetallic materials are made, divides three sections of stem, throat and afterbodys by metal, and stem is a sphere, and throat is a cylinder, and afterbody is the paraboloid of revolution.
Four of the embodiment of hammer body 12 or hammer body 15 is, or/and nonmetallic materials are made, divides three sections of stem, throat and afterbodys by metal, and stem is the conical surface, and throat is a cylinder, and afterbody is the paraboloid of revolution.
The change in size scope of hammer body 12 can be very big.The maximum gauge of hammer body 12 should be taken as 0.5～1.5 times of pure qi (oxygen) discharge line inlet diameter.The ratio of height to diameter of hammer body 12 should be taken as 1.5～4.When not having guide shell 5, hammer body 12 is settled near pinwheel 7 more and is beneficial to mass transfer reaction and separated product more.When guide shell 5 was arranged, hammer body 12 was settled away from pinwheel 7 more and is beneficial to mass transfer reaction and separated product more.
The throat dimension of hammer body 15 should be greater than 50 millimeters, and the height of hammer body 15 needs suitable with the height of drainage frustum 16.
The common atomizer of spray system 9 adapteds gets final product, as the pesticide sprayer shower nozzle.Spray system 9 and/or aerating system 8 should be tried one's best and be settled near pinwheel 7.
Fig. 2 provides second example structure according to technical solution of the present invention two design: the vertical eddy flow of the adverse current sedimentation absorption and separation tower that disperses.Its structure and Fig. 1 difference are that inlet chamber is contained in the housing, and material-falling hopper 13 is the cap shape and places the inlet end bottom, and transmission device supports and rotates pinwheel 7, and inlet chamber lower surface periphery leaves the hole that falls into material-falling hopper 13 for particle.
The 3rd example structure according to technical solution of the present invention two designs is to cut to flow to the discrete absorption and separation tower of gas following current sedimentation tilting eddy flow.Its structure and Fig. 1 difference are that material-falling hopper 13 is the bucket-shaped centrifugal absorption and separation chamber afterbody downside that places, and does not need border shaping frustum 17.The lower openings of blanking section housing 10 is communicated with material-falling hopper 13.
The 4th example structure according to technical solution of the present invention two designs is to cut to flow to the discrete absorption and separation tower of circulation of vital energy in the wrong direction stream sedimentation tilting eddy flow.Its structure and Fig. 2 difference are that material-falling hopper 13 is the bucket-shaped inlet end downside that places, and the lower openings of blanking piece housing 10 is communicated with material-falling hopper 13.
The absorption tower can add frame with pipe fitting or angle steel and support erect.
The function of pinwheel is:
The present invention preferentially select for use a kind of by hang in U font metal loop week seedling and evenly dense arrangement be combined in pinwheel 7 on the wheel hub, see that Chinese patent " is used for the pinwheel that thing is separated " (application number 98201991.2).This pinwheel pin seedling density is big, and it is strong to open the ability of revolving.Its pin seedling is terminal free, is the hinged-support constraint at wheel hub one end, so can axially also suitable rotation and distortion can arranged with stressed swing and distortion at hoop.This is beneficial to the resistance of start that reduces pinwheel, and makes pinwheel can the oneself adjust dynamic balancing in rotation and in the wear process, also is beneficial to and reduces the noise source strength.
The pinwheel diameter can optionally increase, dynamic balancing is not exerted an influence, so under 900～3000 rev/mins rotating speed, the zone beyond the certain radius can realize being equivalent to the absorbent tangential motion speed under 10000～20000 rev/mins of rotating speeds of little rotary turnplate easily.
The application of lining body 11 has boundary layer principle and narrow slit effect according to two hydrodynamics rules.The boundary layer principle is to say because friction is very fast in very little thickness overdraught flow velocity decay of proximal border.Lining body 11 has been arranged, equaled to increase the effect in two boundary layers.
Narrow slit effect be say if slit enough little, air-flow to gas in the slit without any influence.Though the seam on the actual lining body 11 can not satisfy enough little hypothesis, it is big that seam is always wanted, and the influence of the eddy flow opposite joint external space must have, and still, compares the momentum of center eddy flow, and this influence will weaken manyly certainly.Obviously, lining body 11 can produce screen effect.
The function of lining body 11 is:
1, produces screen effect targetedly.Limit the center eddy flow to serving as a contrast the disturbance of external all air-flows on the one hand, can make centrifugal migration arrive the particle of lining body 11 or residue on the other hand again and pass the aperture as far as possible fully and enter the blind zone, thereby play the effect that particle or residue are separated from strong cyclone field.
2, form particle or residue degraded district.Because collision and effect of boundary layer, conductively-closed district inner fluid relative pressure is less, momentum is significantly little, and particle or residue sink to landing to material-falling hopper 13 in the gravity effect easily.
3, improve the housing wear-out life.Part particle or residue are worn and torn at first in an orderly manner serve as a contrast body, consume its portion of energy.The particle or the residue that directly enter the blind zone can obtain buffering again.In conductively-closed district accumulation and the particle that is in the gravitational settling process housing there is certain anti-wear effect.
The function of hammer body 12 is:
1, stop eddy flow to pass through with higher relatively axial velocity from centrifugal field position, central area with low tangential velocity, low relative pressure.
2, before the hammer body 12 or with guide shell 5 between form air pressure gesture place value relative higher, to the very poor central core region of fluidity, force mass transfer reaction and product to be separated in the outer centrifugal place that is with higher tangential velocity and carry out more effectively.
The effect of drainage frustum 16 is: the entrance section that increases the pure qi (oxygen) outlet is long-pending, increases the axial flow section of absorption and separation chamber tail wind, reduces the axial flow velocity of the preceding air-flow of inlet.
The function of hammer body 15 is: stop eddy flow to be discharged with higher relatively speed from the relatively low center of pressure potential place value, thereby be reduced in before the hammer body 15 by centrifugation to the exhaust outlet radius particle or droplet by the disturbance entad and the possibility of being brought into discharge line by secondary.Hammer body 15 and guide shell 5 or and hammer body 12 between also have form air pressure gesture place value relative higher, to the very poor little central core region of fluidity may, promote the centrifugal motion of particle or droplet.
The effect of guide shell 5 is:
1, allows waste gas enter eddy flow field,, and make waste gas flow the bigger tangential velocity of acquisition when passing through pinwheel 7 so that make full use of the initial momentum of waste gas stream with certain radius.
2, allow the particle in the waste gas enter eddy flow field by pinwheel with certain radius, obtain bigger initial tangential velocity, shorten particle simultaneously and gone out necessary radially migration distance, reduce particle significantly and gone out the needed time by centrifugation by centrifugation.
3, allow mass transfer, the absorption reaction zone beyond certain radius carry out, make product or residue obtain bigger initial tangential velocity, shorten it simultaneously and gone out necessary radially migration distance by centrifugation.
4, cooperate the weak convection current central core region of formation with hammer body 12 or hammer body 15.
When guide shell 5 was arranged, the distance between hammer body 12 and the pinwheel 7 suitably increased, and this weak convective region may extend lengthening in the centrifugal absorption and separation chamber, is beneficial to and carries out mass transfer reaction and reaction product isolated or residue.
If there are not hammer body 12 light that guide shell 5 is arranged, the axle center district is the minimum relatively zone of pressure potential place value, mass air flow tends to entad flow to central core region and carries particle with higher relatively axial velocity and flows, thereby can not bring guide shell 5 due effects fully into play.
If there are not guide shell 5 light that hammer body 12 is arranged, then have only a fine taper zone to be affected before the hammer body 12, air pressure gesture place value is higher relatively.At this moment, hammer body 12 needs forward arrangement, utilizes the effect of hammer body 12 self, promotes the separation of product.There is the possibility that produces backset bed on hammer body 12 surfaces, produce negative influence again to separating.
Have only hammer body 12 and guide shell 5 pairing mutually, cooperative dimensioning and the two spacing of increasing, could enlarge the scope of weak convective region in the absorption and separation chamber, the mass transfer reaction district is shifted onto more superior centrifugal field position, and the backset bed of hysteresis hammer body 12 near surfaces reaches desirable absorption and separating effect to the influence that product separates.
The effect of aerating system 8 is: at first disperse to flow into and add gas, gaseous state absorbent or gaseous state synthetics, then, they further accept centrifugal cyclone impulse, discrete equably again.
The effect of spray system 9 is: at first disperse to flow into and preliminary atomizing absorbent or synthetics, then, they further accept centrifugal cyclone impulse, discrete and refinement further equably again.
In the discrete or atomization process of absorbent, the eddy flow field intensity also weakens because of spinning momentum is absorbed agent consumption, and the last invalid spinning momentum that effluxes reduces.
The efficient of discrete absorption and separation tower separating granular of adverse current sedimentation eddy flow or residue is than the discrete absorption and separation tower height of following current sedimentation eddy flow.Reason is the border rule of the former centrifugal absorption and separation chamber afterbody eddy flow field and desirable, is difficult for producing eddy current, and the possibility that particle that centrifugation is gone out or residue produce entad disturbance is little.
The running of the discrete absorption and separation tower of following current sedimentation eddy flow of the present invention is:
Waste gas is from the axially vertical housing that enters of top air inlet 1 and housing 10, through guide shell 5 be directed to the coaxial swirling eddy of pinwheel 7 after, beyond the scope of certain radius, enter the centrifugal absorption and separation chamber.Pinwheel 7 rotates in the same way with air-flow under motor 3 drives, and drives and quicken regularly the waste gas eddy flow, forms axially downward forced vortex eddy flow field.Particles contained material moves to lining body 11 directions under the action of the centrifugal in the waste gas.When waste gas eddy flow process aerating system 8, mass transfer reaction takes place in eddy flow impulse, discrete gas or the gaseous state absorbent of adding mutually.The particle that reaction generates moves to lining body 11 directions under the action of the centrifugal.When waste gas eddy flow process spray system 9, mass transfer reaction takes place in eddy flow impulse, atomizing absorbent mutually.Particle that reaction generates or remaining mist pearl are moved to lining body 11 directions under the action of the centrifugal.Waste gas is subjected to the restriction of hammer body 12, have to be from the field bit stream mistake of higher centrifugal speed.Centrifugal motion arrives the particle of lining body 11 or residue and constantly enters gap between body 10 and the lining body 11 after the passage buffering by lining body 11 or the collision energy dissipating, moves downward under the gravity effect and enters material-falling hopper 13 collections; Centrifugal motion only arrives elbow 14 inlet radiuses and also moves downward under the gravity effect with the particle of exterior domain or residue and enter material-falling hopper 13 and collect.Pure qi (oxygen) or forming gas enter bottom elbow 14 and discharge.
The running of the discrete absorption and separation tower of adverse current sedimentation eddy flow of the present invention is:
Waste gas is from the axially vertical housing that enters of bottom air inlet 1 and housing 10, through guide shell 5 be directed to the coaxial swirling eddy of pinwheel 7 after, beyond the scope of certain radius, enter the centrifugal absorption and separation chamber.The particle that part is big in the waste gas is once entering the inlet chamber sedimentation, falls into material-falling hopper 13 from the aperture of inlet chamber end face periphery.Pinwheel 7 rotates in the same way with air-flow under motor 3 drives, and drives and quicken regularly the waste gas eddy flow, forms the forced vortex eddy flow field that axially makes progress.Particles contained material moves to lining body 11 directions under the action of the centrifugal in the waste gas.When waste gas eddy flow process aerating system 8, mass transfer reaction takes place in eddy flow impulse, discrete gas or the gaseous state absorbent of adding mutually.The particle that reaction generates moves to lining body 11 directions under the action of the centrifugal.When waste gas eddy flow process spray system 9, mass transfer reaction takes place in eddy flow impulse, atomizing absorbent mutually.Particle that reaction generates or remaining mist pearl are moved to lining body 11 directions under the action of the centrifugal.Waste gas is subjected to the restriction of hammer body 12, have to be from the field bit stream mistake of higher centrifugal speed.Centrifugal motion arrives the particle of lining body 11 or residue and constantly enters gap between body 10 and the lining body 11 after the passage buffering by lining body 11 or the collision energy dissipating, and reverse moving downward enters material-falling hopper 13 collections under the gravity effect.After centrifugal motion only arrives pure qi (oxygen) discharge port entrance radius and gathers to a certain degree with the particle of exterior domain or residue, also reverse moving downward under the gravity effect, further accept centrifugal action again, or enter body 10 and the gap of lining between the body 11, or collect along moving up into material-falling hopper 13 under lining body 11 inwalls.Pure qi (oxygen) or forming gas are discharged from top pure qi (oxygen) outlet.
Claims (29)
1, a kind of cyclone dispersion absorbing/separating process, the eddy flow that is used for gas, liquid or solid powder is discrete, mass transfer, gas mixing, GAS ABSORPTION, material is synthetic and the centrifugation of product, residue, it is characterized in that,
(1) in variable cross-section tube or straight cylindrical centrifugal absorption and separation chamber by air inlet [1] one side settling a kind of by metal loop week evenly dense arrangement be combined in pinwheel [7] on the wheel hub as rotor, coaxial with the centrifugal absorption and separation chamber, directly or indirectly link to each other with motor [3] by axle [4] and/or the bearing housing [2] that stretches into inlet chamber, rotor is done rotation at a high speed, start eddy flow, eddy flow comes impulse again, centrifugal discrete a certain amount of gaseous state or liquid absorbent or additive, product behind the mass transfer reaction or residue continue to be subjected to action of centrifugal force and migrate to periphery, terminal central area, centrifugal absorption and separation chamber is that pure qi (oxygen) is drawn outside the chamber, the solid particulate matter of periphery accumulation or liquid are collected in addition and are entered material-falling hopper [13]
(2) near the cavity inner wall of centrifugal absorption and separation chamber, settling one or one group of lining body [11], the inner surface contour of lining body [11] is coaxial with pinwheel [7], and between the cavity of centrifugal absorption and separation chamber certain clearance is arranged, there are a lot of passages to be communicated with on the lining body [11] with this gap, can change the lining body [11] of main wearing and tearing section, lining body [11] channel sized, the design considerations of shape and lining body [11] thickness is, centrifugal reaction product or the residue that comes out to arrive lining body [11] inwall passed through, can alleviate of the disturbance of center eddy flow to gap internal layer thing phase, can reduce the wearing and tearing of particle to housing wall, it is higher relatively to be separated out an air pressure gesture place value at centrifugal absorption and separation chamber periphery again on the other hand, weak relatively convection current, the annular region of weak relatively momentum, the strong eddy flow in restriction center transmits momentum for the particle of centrifugal arrival lining body [11], promote to see through the particle of lining body [11], product and the energy dissipating of residue buffering, the function of outstanding gravitational settling
(3) pinwheel [7] before, outside the bearing housing [2], be mounted with the direct exhaust air-flow enters centrifugal field from the position than long radius guide shell [5] with axle [4] is coaxial, when gas flow temperature is higher, also can seal the space between guide shell [5] and the bearing housing [2], be used for to bearing housing [2] heat insulation, and/or adopt low-temperature airflow or water that bearing housing [2] and axle [4] are carried out the part cooling
(4) pinwheel [7] is being settled the axial symmetry barrier [12] that can avoid the afterbody eddy current afterwards in the centrifugal absorption and separation chamber; It is coaxial with pinwheel [7]; Barrier [12] stops the eddy flow of center to pass through from the centrifugal field position with low tangential velocity; Thereby barrier [12] before or and guide shell [5] between form the central core region that air pressure gesture place value is relatively high, Convective is relatively poor; The main region of mass transfer reaction and product separation is pushed to the outer centrifugal place that is with higher tangential velocity
(5) at centrifugal absorption and separation chamber afterbody, cavity, lining body [11], discharge duct has or approximate have an axial symmetry of coordinating with centrifugal field, so that form boundary condition rule as far as possible, that coordinate with centrifugal field, be reduced in the possibility that centrifugal absorption and separation chamber afterbody produces eddy current, at material-falling hopper [13] and centrifugal absorption and separation chamber joining place, be mounted with axial symmetry or the local member jaggy of axial symmetry on the whole, be used for the centrifugal field border of shaping material-falling hopper [13] and centrifugal absorption and separation chamber joining place.
2, a kind of cyclone dispersion absorbing/separating process is used for the centrifugation of the synthetic and product of the discrete mass transfer of eddy flow, mixing, GAS ABSORPTION, the material of gas, liquid or solid powder, residue, it is characterized in that,
(1) in variable cross-section tube or straight cylindrical centrifugal absorption and separation chamber by air inlet [1] one side settling a kind of by metal loop week evenly dense arrangement be combined in pinwheel [7] on the wheel hub as rotor, coaxial with the centrifugal absorption and separation chamber, directly or indirectly link to each other with motor [3] by axle [4] and/or the bearing housing [2] that stretches into inlet chamber, rotor is done rotation at a high speed, start eddy flow, eddy flow comes impulse again, centrifugal discrete a certain amount of gaseous state or liquid absorbent or additive, product behind the mass transfer reaction or residue continue to be subjected to action of centrifugal force and migrate to periphery, terminal central area, centrifugal absorption and separation chamber is that pure qi (oxygen) is drawn outside the chamber, the solid particulate matter of periphery accumulation or liquid are collected in addition and are entered material-falling hopper [13]
(2) near the cavity inner wall of centrifugal absorption and separation chamber, settling one or one group of lining body [11], [111 inner surface contour is coaxial with pinwheel [7] for the lining body, and between the cavity of centrifugal absorption and separation chamber certain clearance is arranged, there are a lot of passages to be communicated with on the lining body [11] with this gap, can change the lining body [11] of main wearing and tearing section, lining body [11] channel sized, the design considerations of shape and lining body [11] thickness is, centrifugal reaction product or the residue that comes out to arrive lining body [11] inwall passed through, can alleviate of the disturbance of center eddy flow to gap internal layer thing phase, can reduce the wearing and tearing of particle to housing wall, it is higher relatively to be separated out an air pressure gesture place value at centrifugal absorption and separation chamber periphery again on the other hand, weak relatively convection current, the annular region of weak relatively momentum, the strong eddy flow in restriction center transmits momentum for the particle of centrifugal arrival lining body [11], promote to see through the particle of lining body [11], product and the energy dissipating of residue buffering, the function of outstanding gravitational settling
(3) pinwheel [7] is being settled the axial symmetry barrier [12] that can avoid the afterbody eddy current afterwards in the centrifugal absorption and separation chamber, it is coaxial with pinwheel [7], barrier [12] stops the eddy flow of center to pass through from the centrifugal field position with low tangential velocity, thereby barrier [12] form before air pressure gesture place value higher relatively, to the very poor central core region of fluidity, the main region that mass transfer reaction separates with product is pushed to the outer centrifugal place that is with higher tangential velocity.
3, a kind of cyclone dispersion absorbing/separating process is used for the centrifugation of the synthetic and product of the discrete mass transfer of eddy flow, mixing, GAS ABSORPTION, the material of gas, liquid or solid powder, residue, it is characterized in that,
(1) in variable cross-section tube or straight cylindrical centrifugal absorption and separation chamber by air inlet [1] one side settling a kind of by metal loop week evenly dense arrangement be combined in pinwheel [7] on the wheel hub as rotor, coaxial with the centrifugal absorption and separation chamber, directly or indirectly link to each other with motor [3] by axle [4] and/or the bearing housing [2] that stretches into inlet chamber, rotor is done rotation at a high speed, start eddy flow, eddy flow comes impulse again, centrifugal discrete a certain amount of gaseous state or liquid absorbent or additive, product behind the mass transfer reaction or residue continue to be subjected to action of centrifugal force and migrate to periphery, terminal central area, centrifugal absorption and separation chamber is that pure qi (oxygen) is drawn outside the chamber, the solid particulate matter of periphery accumulation or liquid are collected in addition and are entered material-falling hopper [13]
(2) near the cavity inner wall of centrifugal absorption and separation chamber, settling one or one group of lining body [11], the inner surface contour of lining body [11] is coaxial with pinwheel [7], and between the cavity of centrifugal absorption and separation chamber certain clearance is arranged, there are a lot of passages to be communicated with on the lining body [11] with this gap, can change the lining body [11] of main wearing and tearing section, lining body [11] channel sized, the design considerations of shape and lining body [11] thickness is, centrifugal reaction product or the residue that comes out to arrive lining body [11] inwall passed through, can alleviate of the disturbance of center eddy flow to gap internal layer thing phase, can reduce the wearing and tearing of particle to housing wall, it is higher relatively to be separated out an air pressure gesture place value at centrifugal absorption and separation chamber periphery again on the other hand, weak relatively convection current, the annular region of weak relatively momentum, the strong eddy flow in restriction center transmits momentum for the particle of centrifugal arrival lining body [11], promote to see through the particle of lining body [11], product and the energy dissipating of residue buffering, the function of outstanding gravitational settling
(3) pinwheel [7] before, outside the bearing housing [2], be mounted with the direct exhaust air-flow enters centrifugal field from the position than long radius guide shell [5] with axle [4] is coaxial, when gas flow temperature is higher, also can seal the space between guide shell [5] and the bearing housing [2], be used for to bearing housing [2] heat insulation.
4, a kind of cyclone dispersion absorbing/separating process is used for the centrifugation of the synthetic and product of the discrete mass transfer of eddy flow, mixing, GAS ABSORPTION, the material of gas, liquid or solid powder, residue, it is characterized in that,
(1) in variable cross-section tube or straight cylindrical centrifugal absorption and separation chamber by air inlet [1] one side settling a kind of by metal loop week evenly dense arrangement be combined in pinwheel [7] on the wheel hub as rotor, coaxial with the centrifugal absorption and separation chamber, directly or indirectly link to each other with motor [3] by axle [4] and/or the bearing housing [2] that stretches into inlet chamber, rotor is done rotation at a high speed, start eddy flow, eddy flow comes centrifugal discrete a certain amount of gaseous state of impulse or liquid absorbent or additive again, product behind the mass transfer reaction or residue continue to be subjected to action of centrifugal force and migrate to periphery, terminal central area, centrifugal absorption and separation chamber is that pure qi (oxygen) is drawn outside the chamber, the solid particulate matter of periphery accumulation or liquid are collected in addition and are entered material-falling hopper [13]
(2) near the cavity inner wall of centrifugal absorption and separation chamber, settling one or one group of lining body [11], the inner surface contour of lining body [11] is coaxial with pinwheel [7], and between the cavity of centrifugal absorption and separation chamber certain clearance is arranged, there are a lot of passages to be communicated with on the lining body [11] with this gap, can change the lining body [11] of main wearing and tearing section, lining body [11] channel sized, the design considerations of shape and lining body [11] thickness is, centrifugal reaction product or the residue that comes out to arrive lining body [11] inwall passed through, can alleviate of the disturbance of center eddy flow to gap internal layer thing phase, can reduce the wearing and tearing of particle to housing wall, it is higher relatively to be separated out an air pressure gesture place value at centrifugal absorption and separation chamber periphery again on the other hand, weak relatively convection current, the annular region of weak relatively momentum, the strong eddy flow in restriction center transmits momentum for the particle of centrifugal arrival lining body [11], promote to see through the particle of lining body [11], product and the energy dissipating of residue buffering, the function of outstanding gravitational settling.
5, a kind of eddy flow absorption process that disperses, be used for gas, the eddy flow of the liquid or solid powder mass transfer that disperses, mix, GAS ABSORPTION, synthetic and the product of material, the centrifugation of residue, it is characterized in that, in variable cross-section tube or straight cylindrical centrifugal absorption and separation chamber by air inlet [1] one side settling a kind of by metal loop week evenly dense arrangement be combined in pinwheel [7] on the wheel hub as rotor, coaxial with the centrifugal absorption and separation chamber, directly or indirectly link to each other with motor [3] by axle [4] and/or the bearing housing [2] that stretches into inlet chamber, rotor is done rotation at a high speed, start eddy flow, eddy flow comes centrifugal discrete a certain amount of gaseous state of impulse or liquid absorbent or additive again, product behind the mass transfer reaction or residue continue to be subjected to action of centrifugal force and migrate to periphery, terminal central area, centrifugal absorption and separation chamber is that pure qi (oxygen) is drawn outside the chamber, and the solid particulate matter of periphery accumulation or liquid are collected in addition and entered material-falling hopper [13].
6, according to claim 1,2,3,4,5 one of them described cyclone dispersion absorbing/separating process, it is characterized in that, be mounted with spray system [9] afterwards at pinwheel [7], absorbent is after a plurality of atomizers tentatively atomize ejection, by the further impulse atomizing of high-speed rotational, with waste gas generation mass transfer reaction, nozzle is connected on the pipeline, and the distribution of nozzle is made every effort to and can be made the absorbent decentralization that sprays in the certain limit in the centrifugal absorption and separation chamber roughly even after considering centrifugal action.
7, according to claim 1,2,3,4,5 one of them described cyclone dispersion absorbing/separating process, it is characterized in that, be mounted with the aerating system [8] of interpolation gases such as carrying air, oxygen or gaseous state absorbent afterwards or before at pinwheel [7], add gas or gaseous state absorbent after the ejection of aeration mouth, discrete by the further impulse of high-speed exhaust gas eddy flow, mass transfer reaction takes place mutually, the aeration mouth is connected on the pipeline, and the distribution of aeration mouth can make the decentralization of the interpolation gas of ejection in the certain limit in the centrifugal absorption and separation chamber or gaseous state absorbent roughly even.
8, according to claim 1,2,3,4,5 one of them described cyclone dispersion absorbing/separating process, it is characterized in that,
(1) is mounted with spray system [9] afterwards at pinwheel [7], absorbent is after a plurality of atomizers tentatively atomize ejection, by the further impulse atomizing of high-speed rotational, nozzle is connected on the pipeline, the distribution of nozzle is made every effort to and can be made the decentralization that sprays absorbent in the centrifugal absorption and separation chamber in the certain limit roughly even after considering centrifugal action
(2) be mounted with the aerating system [8] that conveying air, oxygen etc. add gas or gaseous state absorbent afterwards or before at pinwheel [7], add gas or gaseous state absorbent after the ejection of aeration mouth, discrete by high-speed exhaust gas eddy flow impulse, mass transfer reaction takes place mutually, the aeration mouth is connected on the pipeline, and the distribution of aeration mouth can make the decentralization of the interpolation gas of ejection in the certain limit in the centrifugal absorption and separation chamber or gaseous state absorbent roughly even.
9, according to claim 1,2,3,4,5 one of them described cyclone dispersion absorbing/separating process, it is characterized in that,
(1) at centrifugal absorption and separation chamber afterbody, cavity, lining body [11] inwall, discharge duct has or approximately have an axial symmetry of coordinating with centrifugal field, so that form rule as far as possible, with the boundary condition that centrifugal field is coordinated, be reduced in the possibility that centrifugal absorption and separation chamber afterbody produces eddy current
(2) at material-falling hopper [13] and centrifugal absorption and separation chamber joining place, be mounted with axial symmetry or the local member jaggy of axial symmetry on the whole, be used for the centrifugal field border of shaping material-falling hopper [13] and centrifugal absorption and separation chamber joining place.
10, according to claim 1,2,3,4,5 one of them described cyclone dispersion absorbing/separating process, it is characterized in that, the pure qi (oxygen) discharge port entrance adopts tubaeform drainage frustum [16], increase pure qi (oxygen) and discharge the cross section, reduce near the axial flow velocity of the air-flow of centrifugal absorption and separation chamber afterbody pure qi (oxygen) outlet.
11, cyclone dispersion absorbing/separating process according to claim 10, it is characterized in that, settling the axial symmetry barrier [15] that to avoid the afterbody eddy current in the drainage frustum [16], it is coaxial with pinwheel [7], barrier [15] stops the eddy flow of center to pass through with higher relatively axial velocity from the centrifugal field position with low tangential velocity, thereby before at barrier [15], or with barrier [15] or guide shell [5] between to form an air pressure gesture place value relative higher, to the relatively poor central core region of fluidity, reduce centrifugal absorption and separation separated particle of going out of chamber afterbody and the residue disturbance possibility of bringing the central area into and entering the pure qi (oxygen) outlet again.
12, a kind of waste gas absorption cleaning, synthetic discrete absorption and separation tower of eddy flow of material of being used for, it has a cover to be positioned at the transmission device of housing air inlet end, a rotor that is connected with transmission device, the housing middle part is a centrifugal absorption and separation chamber cavity, lower housing portion is the material-falling hopper [13] that is communicated with centrifugal absorption and separation chamber cavity, it is characterized in that
(1) in the centrifugal absorption and separation chamber by air inlet [1] one side mounting or supportting one by hang in metal loop week seedling and evenly dense arrangement be combined in pinwheel [7] on the wheel hub, it by axle [4] or/and the bearing housing [2] that stretches in the housing directly or indirectly link to each other with motor [3]
(2) in the cavity of centrifugal absorption and separation chamber, housing middle part, fixing a cover lining body [11], it is made by metal or nonmetallic materials, lining body [11] can be straight-tube shape or variable cross-section tubular, lining body [11] keeps coaxial with pinwheel [7], between lining body [11] major section and the centrifugal absorption and separation cavity outer wall certain space is arranged, the link position leading of lining body [11] and inlet chamber is in the card of pinwheel [7], the tail end of lining body [11] is corresponding with certain radial spacing with the inlet of pure qi (oxygen) outlet, lining body [11] can be selected a variety of patterns for use, availablely leave vacancy with a kind of pattern segmentation, perhaps settle with a kind of pattern multilayer concentric, perhaps different types segmentation combination, perhaps vacancy is made up and leaves in the different types segmentation, the perhaps local structure that can change, lining body [11] is fixed on the housing by rod member or lath
(3) pinwheel [7] is being fixed an axial symmetry hammer body [12] coaxial with pinwheel [7] afterwards in the centrifugal absorption and separation chamber, and it is fixed on the peripheral member by rod member or bar, plate,
(4) pinwheel [7] before, outside the bearing housing [2], with axle [4] coaxial straight-tube shape or frustum guide shell [5] of being mounted with, guide shell [5] head end is connected with housing, its tail end extends apart from the very little distance of pinwheel spoke dials face, has a ring flat-plate [6] to connect the afterbody of guide shell [5] and bearing housing [2]
(5) at centrifugal absorption and separation chamber afterbody, cavity, lining body [11], discharge duct is or the approximate axial symmetry shape of coordinating with centrifugal field that is, be mounted with axisymmetricly shape or the local frustum jaggy [17] of shape axisymmetricly on the whole at material-falling hopper [13] and centrifugal absorption and separation chamber joining place, be used for the centrifugal field border of shaping material-falling hopper [13] and centrifugal absorption and separation chamber joining place.
13, the discrete absorption and separation tower of eddy flow according to claim 12, it is characterized in that, hammer body [12] is mounted with absorbent atomizing spray system [9] before after pinwheel, nozzle is connected on the pipeline, pipeline is crosswise or radial distribution on the cross section in the centrifugal absorption and separation chamber, also can be a plurality of ring-types or irregular distribution, the pattern that can also adopt multilayer to settle, annular region inner nozzle certain on the cross section roughly evenly distributes.
14, the discrete absorption and separation tower of eddy flow according to claim 12, it is characterized in that, hammer body [12] is mounted with before and carries air, oxygen etc. to add the aerating system [8] of gas or gaseous state absorbent after pinwheel, the aeration mouth is connected on the pipeline, pipeline is crosswise or radial distribution on the cross section in the centrifugal absorption and separation chamber, also can be a plurality of ring-types or irregular distribution, the pattern that can also adopt multilayer to settle, the interior aeration mouth of annular region certain on the cross section roughly evenly distributes.
15, the discrete absorption and separation tower of eddy flow according to claim 13, it is characterized in that, after pinwheel, spray system [9] is mounted with before and carries air, oxygen etc. to add the aerating system [8] of gas or gaseous state absorbent, the aeration mouth is connected on the pipeline, pipeline is crosswise or radial distribution on the cross section in the centrifugal absorption and separation chamber, also can be a plurality of ring-types or irregular distribution, the pattern that can also adopt multilayer to settle, the density that certain interior aeration mouth of annular region distributes on the cross section is roughly close.
16, according to claim 12,13,14, the discrete absorption and separation tower of 15 one of them described eddy flow, it is characterized in that pure qi (oxygen) discharge port entrance section has drainage frustum [16], frustum [16] osculum one terminates on the discharge duct.
17, the discrete absorption and separation tower of eddy flow according to claim 16 is characterized in that settling an axial symmetry hammer body [15] in the drainage frustum [16], it is coaxial with pinwheel [7], is fixed on the drainage frustum [16].
18, the discrete absorption and separation tower of a kind of eddy flow according to claim 16, it is characterized in that, the coaxial border shaping frustum [17] that oppositely is mounted with outside drainage frustum [16] leaves certain blanking gap between border shaping frustum [17] and material-falling hopper [13] cavity.
19, the discrete absorption and separation tower of a kind of eddy flow according to claim 16, it is characterized in that, be mounted with border shaping frustum [17] towards the centrifugal absorption and separation chamber at inlet chamber afterbody periphery and the coaxial cone angle of pinwheel [7], leave certain blanking gap between border shaping frustum [17] and the body [10].
20, the discrete absorption and separation tower of eddy flow according to claim 12 is characterized in that the inlet chamber cavity is a helical, and the spiral direction is consistent with the rotation direction of pinwheel [7].
21, according to claim 12,13,14,15, the discrete absorption and separation tower of 18 one of them described eddy flow, be used for high-temp waste gas and purify, it is characterized in that,
(1) the be tightly connected afterbody of guide shell [5] and bearing housing [2] of one or two concentric ring flat-plates [6] is arranged, a ring flat-plate [6] guide shell [5] that is tightly connected is perhaps arranged, other has a tapered sleeve or other to make up be tightly connected respectively ring flat-plate [6] and bearing housing [2] afterbody, make bearing housing [2] afterbody partially or completely embed among the tapered sleeve, keep the little gap of trying one's best between bearing housing [2] and the tapered sleeve
(2) axle [4] is hollow, has air-flow or liquid stream to flow through, and enters the centrifugal absorption and separation chamber, can settle jet thrust or nozzle on the locknut of axle [4] termination,
(3) outside the end bearing of bearing housing [2] afterbody near the centrifugal absorption and separation chamber some ducts are arranged, but air feed stream or liquid stream flow through and enter the centrifugal absorption and separation chamber, perhaps allow air-flow or liquid stream be introduced into gap between bearing housing [2] and the tapered sleeve, and then enter the centrifugal absorption and separation chamber.
22, the discrete absorption and separation tower of eddy flow according to claim 12, its lining body [11] is characterised in that, form by thin wall cylinder and a plurality of vertical bar shaped wing plate that is connected drum outer wall that metal or nonmetallic materials are made, the hole of oval or the square or flute profile of circle is arranged on the barrel or leave fracture, percent opening is more than 25%, wing plate and barrel wall can be vertical also can conrotatory flow path direction oblique.
23, the discrete absorption and separation tower of eddy flow according to claim 12, its lining body [11] are characterised in that, are made up of straight plate and annular slab intersection that metal or nonmetallic materials are made, are grid-like.
24, the discrete absorption and separation tower of eddy flow according to claim 12, its lining body [11] is characterised in that, is made by metal or nonmetallic materials, is blind shaped.
25, the discrete absorption and separation tower of eddy flow according to claim 12, its lining body [11] is characterised in that, is formed by connecting with muscle bar or plate with certain spacing successively by the short cylinder with diameter, is straight-tube shape.
26, the discrete absorption and separation tower of eddy flow according to claim 12, its lining body [11] is characterised in that, the tube circle that the diameter of being made by metal or non-metallic plates differs happens frequently with the step of certain altitude successively, is formed by connecting with muscle in periphery, is frustum.
27, the discrete absorption and separation tower of eddy flow according to claim 12, its lining body [11] is characterised in that being got up with a determining deviation spiral by the metal material lath is formed by connecting with muscle, is straight tube and awl tubular.
28, the discrete absorption and separation tower of eddy flow according to claim 12, its hammer body [12] be characterised in that, by metal or/and nonmetallic materials make, divide three sections of stem, throat and afterbodys, stem is the conical surface or sphere, and throat is a cylinder, and afterbody is the conical surface or the paraboloid of revolution.
29, the discrete absorption and separation tower of eddy flow according to claim 17, its hammer body [18] be characterised in that, by metal or/and nonmetallic materials make, divide three sections of stem, throat and afterbodys, stem is the conical surface or sphere, and throat is a cylinder, and afterbody is the conical surface or the paraboloid of revolution.
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| CNB981034527A CN1152733C (en) | 1998-07-30 | 1998-07-30 | Cyclone dispersion absorbing/separating process and absorbing tower |
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-
1998
- 1998-07-30 CN CNB981034527A patent/CN1152733C/en not_active Expired - Fee Related
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