CN107213732A - Vapor, TDS and SO in wet desulfurization flue gas3Removal methods and device - Google Patents
Vapor, TDS and SO in wet desulfurization flue gas3Removal methods and device Download PDFInfo
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- CN107213732A CN107213732A CN201710383505.4A CN201710383505A CN107213732A CN 107213732 A CN107213732 A CN 107213732A CN 201710383505 A CN201710383505 A CN 201710383505A CN 107213732 A CN107213732 A CN 107213732A
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- flue gas
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- guide plate
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 27
- 230000023556 desulfurization Effects 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000003546 flue gas Substances 0.000 claims abstract description 131
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 111
- 239000007788 liquid Substances 0.000 claims abstract description 69
- 238000001816 cooling Methods 0.000 claims abstract description 64
- 239000007921 spray Substances 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000000779 smoke Substances 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 27
- 238000005452 bending Methods 0.000 claims abstract description 26
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000010419 fine particle Substances 0.000 claims abstract description 9
- 239000002826 coolant Substances 0.000 claims description 23
- 238000009833 condensation Methods 0.000 claims description 12
- 230000005494 condensation Effects 0.000 claims description 12
- 230000004087 circulation Effects 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000004071 soot Substances 0.000 claims description 6
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000001223 reverse osmosis Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The embodiment of the invention discloses vapor, TDS and SO in a kind of wet desulfurization flue gas3Removal methods and device, methods described includes：Akaline liquid spray curtains are set in flue gas cooling purifying device, the SO in removing flue gas is neutralized3；Guide plate is set after akaline liquid spray curtains, SO was removed3Flue gas produce rotation, and further cool down；Cooling tube bundle area is set after guide plate, flue gas is further cooled down, the fine particle in condensate, trapping flue gas is separated out；Condensate is flowed into gas and liquid in demister, separating flue, and TDS is filtered out；Liquids and gases layering enters water leg, and gas passes through after the liquid in smoke bending plate, further bubbing, flows out flue gas cooling purifying device, and liquid is reused after being collected by water leg.SO can be effectively mitigated or eliminated in the present invention3Corrosion to inner wall of stack and the pollution to atmospheric environment, and dissolved particles, administer to current haze and play an important roll.
Description
Technical field
The present invention relates to flue gases purification field, vapor, TDS (dissolvings in especially a kind of wet desulfurization flue gas
Grain) and SO3Removal methods and device.
Background technology
By in by the end of March, 2017, national power plant's total installation of generating capacity is more than 16.1 hundred million kilowatts, and thermoelectricity total installation of generating capacity exceedes
10.6 hundred million kilowatts, thermal power generation unit is environmentally friendly to SO to meet2With NOx emission request, desulphurization and denitration unit accounts for thermoelectricity general assembly
Machine capacity ratio is lifted to 99% and 96%.Some coal-burned industrial boilers are also installed or plan to install wet desulphurization dress
Put, to meet increasingly strict environmental requirement.
At present, about more than 95% big-and-middle-sized coal unit is assembled with wet desulphurization device (WFGD, Wet Flue Gas
Desulfurization it is) and selective-catalytic-reduction denitrified (SCR, Selective Catalytic Reduction).With
" ultra-clean discharge " (SO2≤ 35mg/Nm3, NOx≤50mg/Nm3, flue dust≤10mg/Nm3) desired implementation, prior art adopts
With " increase spraying layer ", " circulations of intensified lime stone slurries ", " installing flue gas respectively plate additional " " strengthens tower wall peripheral sealing to reduce
The methods such as flue gas escape ", these measures all enhance contact of the high-temperature flue gas with lime stone slurry, and its result all goes out desulfurizing tower
Mouth flue gas " water content increase ", in the supersaturated flue gas containing droplet, because demister can only remove the droplet of wet flue gas, still has
A large amount of vapor are not divisible.Wet desulfuration tower sodalime stone slurry temperature is higher than environment temperature, the slurry dissolved particle (TDS,
Total Dissolved Solids) content is high, and " slurries vapor " in flue gas, which is wrapped up in, takes substantial amounts of dissolved particles, chimney
The slurries vapor of discharge is floated in atmosphere, diffusion, evaporation with its moisture, and it wraps up in the dissolved particles taken will be with extremely
Trickle particles float is in air, it is extremely difficult to settle, and these fine particles form aerosol, aggravated haze by agglomerate
Pollute (pollution containing PM2.5).
Therefore, prior art needs to improve.
The content of the invention
The present invention provides vapor, TDS and SO in a kind of wet desulfurization flue gas3Removal methods and device, with solution
State problem.
One side according to embodiments of the present invention there is provided a kind of wet desulfurization flue gas in vapor, TDS and SO3's
Removal methods, including：
Akaline liquid spray curtains are set in flue gas cooling purifying device, and the akaline liquid spray curtains are used to spray and passed through
The akaline liquid of modulation, the akaline liquid includes the alkaline water and first-stage reverse osmosis sewer of boiler blow-off, the alkalescence
Liquid sprays into flue gas cooling purifying device in the way of spraying into " cascade ", neutralizes the SO in removing flue gas3；
Guide plate is set after akaline liquid spray curtains, SO was removed3Flue gas produce rotation, and further cool down；
Set after guide plate in cooling tube bundle area, the pipeline in the cooling tube bundle area and internal circulation cooling medium be set,
The cooling tube bundle area further cools down flue gas, separates out the fine particle in condensate, trapping flue gas；
Condensate is flowed into gas and liquid in demister, separating flue under self gravitation, so that by gas
TDS is filtered out；
Liquids and gases layering enters water leg, and gas passes through after the liquid in smoke bending plate, further bubbing, outflow
The liquid separated out in flue gas cooling purifying device, the akaline liquid and flue gas of sprinkling is reused after being collected into water leg.
Vapor, TDS and SO in based on above-mentioned wet desulfurization flue gas3Removal methods another embodiment in, institute
The cooling water for including internal circulation in guide plate is stated, for the flue gas for spraying akaline liquid to be cooled down.
Vapor, TDS and SO in based on above-mentioned wet desulfurization flue gas3Removal methods another embodiment in, institute
Smoke bending plate is stated for flue gas circulation duct of the bending more than 90 degree, when humid flue gas is flowed into smoke bending plate, due to effect of inertia, is contained
Liquid in shredded tobacco for water pipes gas is further separated out.
Vapor, TDS and SO in based on above-mentioned wet desulfurization flue gas3Removal methods another embodiment in, institute
It is 0-80 degree to state guide plate and the angle in flow of flue gas direction.
Other side based on the embodiment of the present invention, discloses vapor, TDS and SO in a kind of wet desulfurization flue gas3
Removing means, including flue gas cooling purifying device, the flue gas cooling purifying device includes：Flue gas cooling purifier, flue gas
Entrance, exhanst gas outlet, low-temperature receiver and cooling medium pipe, it is net that the smoke inlet and exhanst gas outlet are separately positioned on the flue gas cooling
Change the two ends of device, the low-temperature receiver is connected by cooling medium pipe with the flue gas cooling purifier, in addition to：Akaline liquid is sprayed
Curtain, guide plate, cooling tube bundle area, demister, water leg, smoke bending plate；
The akaline liquid sprays curtain and is arranged on the inside of the smoke inlet of the upper end of the flue gas cooling purifier, passes through spray
Spill akaline liquid and remove the SO inputted in flue gas3；
The guide plate is arranged on the downside that the akaline liquid sprays curtain, and the top and bottom of the guide plate lead to respectively
Supercooling medium tube is connected with the low-temperature receiver, provides cooling medium from low-temperature receiver to the guide plate, and the cooling after use is situated between
Matter is flowed into low-temperature receiver, for rotating and cooling down input flue gas；
The condensation tube bank area is located at the downside of the guide plate, and the top and bottom of the condensation tube bundle region pass through respectively
The cooling medium pipe is connected with the low-temperature receiver, and cooling medium is provided from low-temperature receiver to the condensation tube bundle region, and by after use
Cooling medium is flowed into low-temperature receiver, for humid flue gas to be cooled down, and separates out condensate, and trap the fine particle in flue gas；
The demister is arranged on the lower section of the condensation tube bundle region, for humid flue gas to be carried out into gas-liquid separation；
The water leg is located at the lower section of the demister, for collecting the liquid separated out；
The smoke bending plate is located at the outside of the water leg, between flue gas cooling purifier and exhanst gas outlet, for will be defeated
The liquid gone out in flue gas is further separated out.
Vapor, TDS and SO in based on above-mentioned wet desulfurization flue gas3Removing means another embodiment in, institute
It is 0-80 degree to state guide plate and the angle in flow of flue gas direction.
Vapor, TDS and SO in based on above-mentioned wet desulfurization flue gas3Removing means another embodiment in, institute
The height for stating demister is 0-1500 millimeters.
Vapor, TDS and SO in based on above-mentioned wet desulfurization flue gas3Removing means another embodiment in, institute
Guide plate layer height is stated for 0-2000mm.
Vapor, TDS and SO in based on above-mentioned wet desulfurization flue gas3Removing means another embodiment in, institute
Smoke bending plate is stated for flue gas circulation duct of the bending more than 90 degree.
Vapor, TDS and SO in based on above-mentioned wet desulfurization flue gas3Removing means another embodiment in, also
Including water spray soot cleaning system, the water spray soot cleaning system is arranged on inside the flue gas cooling purifier, by periodically or continuously
Pressure (hydraulic) water is rushed, and removes the TDS particles condensed on the guide plate, cooling tube bundle area, demister and flue gas cooling purifier inwall.
Vapor, TDS and SO in a kind of wet desulfurization flue gas provided based on the above embodiment of the present invention3Removal methods
And device, by setting akaline liquid spray curtains into flue gas cooling purifier, akaline liquid, flue gas are sprayed into input flue gas
In SO3It is captured with fine particle, flue gas obtains preliminary cooling, efficiently reduces wet desulphurization and produce a large amount of vapor
Discharge, reduce the discharge of dissolved particles and can effectively remove the SO that existing Wet Flue Gas Desulfurization Technique can not be removed3, the present invention
SO can be effectively mitigated or eliminated3Corrosion to inner wall of stack and the pollution to atmospheric environment, and dissolved particles, to current
Haze, which is administered, to play an important roll.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
The accompanying drawing for constituting a part for specification describes embodiments of the invention, and together with description for explaining
The principle of the present invention.
Referring to the drawings, according to following detailed description, the present invention can be more clearly understood from, wherein：
Fig. 1 is vapor, TDS and SO in the wet desulfurization flue gas of the present invention3Removing means one embodiment knot
Structure schematic diagram.
Fig. 2 is vapor, TDS and SO in the wet desulfurization flue gas of the present invention3Removal methods one embodiment stream
Cheng Tu.
In figure：1 flue gas cooling purifying device, 11 flue gas cooling purifiers, 12 smoke inlets, 13 exhanst gas outlets, 14 low-temperature receivers,
15 cooling medium pipes, 2 akaline liquid spray curtains, 3 guide plates, 4 cooling tube bundle areas, 5 demisters, 6 water legs, 7 smoke bending plates.
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that：Unless had in addition
Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments does not limit this
The scope of invention.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
The description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And its any limitation applied or used.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as a part for specification.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Fig. 1 is vapor, TDS and SO in the wet desulfurization flue gas of the present invention3Removing means one embodiment knot
Structure schematic diagram, as shown in figure 1, vapor, TDS and SO in the wet desulfurization flue gas of the embodiment3Removing means include：
Flue gas cooling purifying device 1, the flue gas cooling purifying device 1 includes：Flue gas cooling purifier 11, smoke inlet
12nd, exhanst gas outlet 13, low-temperature receiver 14 and cooling medium pipe 15, the smoke inlet 12 and exhanst gas outlet 13 are separately positioned on the cigarette
The two ends of air cooling clarifier 11, the low-temperature receiver 14 is connected by cooling medium pipe 15 with the flue gas cooling purifier 1, is also wrapped
Include：Akaline liquid spray curtains 2, guide plate 3, cooling tube bundle area 4, demister 5, water leg 6, smoke bending plate 7；
The akaline liquid sprays the inner side of smoke inlet 12 that curtain 2 is arranged on the upper end of the flue gas cooling purifier 11,
The SO inputted in flue gas is removed by spraying akaline liquid3；
The guide plate 3 is arranged on the downside that the akaline liquid sprays curtain 2, the top and bottom point of the guide plate 3
It is not connected by cooling medium pipe 15 with the low-temperature receiver 14, provides cooling medium from low-temperature receiver 14 to the guide plate 3, and will use
Cooling medium afterwards is flowed into low-temperature receiver 14, for rotating and cooling down input flue gas；
The condensation tube bundle region 4 is located at the downside of the guide plate 3, the top and bottom difference of the condensation tube bundle region 4
It is connected by the cooling medium pipe 15 with the low-temperature receiver 14, cooling medium is provided from low-temperature receiver 14 to the condensation tube bundle region 4, and
Cooling medium after use is flowed into low-temperature receiver 14, for humid flue gas to be cooled down, condensate is separated out, and trap in flue gas
Fine particle；
The demister 5 is arranged on the lower section of the condensation tube bundle region 4, for humid flue gas to be carried out into gas-liquid separation；
The water leg 6 is located at the lower section of the demister 5, for collecting the liquid separated out；
The smoke bending plate 7 is located at the outside of the water leg 6, between flue gas cooling purifier 11 and exhanst gas outlet 13, uses
Further separated out in by the liquid exported in flue gas.
The angle in the guide plate 3 and flow of flue gas direction is 0-80 degree.
The height of the demister 5 is 0-1500 millimeters.
The layer height of guide plate 3 is 0-2000mm.
The smoke bending plate 7 is flue gas circulation duct of the bending more than 90 degree.
Also include water spray soot cleaning system, the water spray soot cleaning system is arranged on inside the flue gas cooling purifier 1, passed through
Periodically or continuously pressure (hydraulic) water is rushed, and removes the guide plate 3, cooling tube bundle area 4, demister 5 and the inwall of flue gas cooling purifier 11
The TDS particles of upper cohesion.
Fig. 2 is vapor, TDS and SO in the wet desulfurization flue gas of the present invention3Removal methods one embodiment stream
Cheng Tu, as shown in Fig. 2 vapor, TDS and SO in the wet desulfurization flue gas3Removal methods include：
10, akaline liquid spray curtains 2 are set in flue gas cooling purifying device 1, and the akaline liquid spray curtains 2 are used to spray
The akaline liquid through ovennodulation is spilt, the akaline liquid includes the alkaline water and first-stage reverse osmosis sewer of boiler blow-off, institute
Akaline liquid is stated in the way of spraying into " cascade ", flue gas cooling purifying device 1 is sprayed into, the SO in removing flue gas is neutralized3；
20, guide plate 3 is set after akaline liquid spray curtains 2, SO was removed3Flue gas produce rotation, and further it is cold
But；
30, set after guide plate 3 in cooling tube bundle area 4, the pipeline in the cooling tube bundle area 4 and set internal circulation to cool down
Medium, the cooling tube bundle area 4 further cools down flue gas, separates out the fine particle in condensate, trapping flue gas；
40, condensate is flowed into gas and liquid in demister 5, separating flue under self gravitation, so that by gas
In TDS filter out；
50, liquids and gases layering enters water leg 6, the liquid that gas passes through in smoke bending plate 7, further bubbing
Afterwards, after the liquid separated out in outflow flue gas cooling purifying device 1, the akaline liquid and flue gas of sprinkling is collected into water leg 6
Reuse.
The cooling water of internal circulation is included in the guide plate 3, for the flue gas for spraying akaline liquid to be cooled down.
The smoke bending plate 7 is flue gas circulation duct of the bending more than 90 degree, when humid flue gas is flowed into smoke bending plate 7, by
Liquid in effect of inertia, humid flue gas is further separated out.
The angle in the guide plate 3 and flow of flue gas direction is 0-80 degree.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and it
Same or analogous part cross-reference between the difference of its embodiment, each embodiment.For system embodiment
For, because it is substantially corresponding with embodiment of the method, so description is fairly simple, referring to the portion of embodiment of the method in place of correlation
Defend oneself bright.
Description of the invention is provided for the sake of example and description, and is not exhaustively or by the present invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Select and retouch
State embodiment and be more preferably to illustrate the principle and practical application of the present invention, and one of ordinary skill in the art is managed
The solution present invention is so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (10)
1. vapor, TDS (dissolved particles) and SO in a kind of wet desulfurization flue gas3Removal methods, it is characterised in that including：
Akaline liquid spray curtains are set in flue gas cooling purifying device, and the akaline liquid spray curtains are used to spray through ovennodulation
Akaline liquid, the akaline liquid includes the alkaline water and first-stage reverse osmosis sewer of boiler blow-off, the akaline liquid
In the way of spraying into " cascade ", flue gas cooling purifying device is sprayed into, the SO in removing flue gas is neutralized3；
Guide plate is set after akaline liquid spray curtains, SO was removed3Flue gas produce rotation, and further cool down；
Set after guide plate in cooling tube bundle area, the pipeline in the cooling tube bundle area and internal circulation cooling medium is set, it is described
Cooling tube bundle area further cools down flue gas, separates out the fine particle in condensate, trapping flue gas；
Condensate is flowed into gas and liquid in demister, separating flue under self gravitation, so that by the TDS in gas
Filter out；
Liquids and gases layering enters water leg, and gas passes through after the liquid in smoke bending plate, further bubbing, flows out flue gas
The liquid separated out in cooling purifying device, the akaline liquid and flue gas of sprinkling is reused after being collected into water leg.
2. according to the method described in claim 1, it is characterised in that the cooling water of internal circulation is included in the guide plate, use
Cooled down in by the flue gas for spraying akaline liquid.
3. according to the method described in claim 1, it is characterised in that the smoke bending plate is flue gas runner pipe of the bending more than 90 degree
Road, when humid flue gas is flowed into smoke bending plate, due to effect of inertia, the liquid in humid flue gas is further separated out.
4. according to the method described in claim 1, it is characterised in that the guide plate and the angle in flow of flue gas direction are 0-80
Degree.
5. vapor, TDS and SO in a kind of wet desulfurization flue gas3Removing means, including flue gas cooling purifying device, the cigarette
Air cooling purifier includes：Flue gas cooling purifier, smoke inlet, exhanst gas outlet, low-temperature receiver and cooling medium pipe, the flue gas
Entrance and exhanst gas outlet are separately positioned on the two ends of the flue gas cooling purifier, the low-temperature receiver by cooling medium pipe with it is described
Flue gas cooling purifier is connected, it is characterised in that also included：Akaline liquid spray curtains, guide plate, cooling tube bundle area, demister,
Water leg, smoke bending plate；
The akaline liquid sprays curtain and is arranged on the inside of the smoke inlet of the upper end of the flue gas cooling purifier, by spraying alkali
Property liquid remove input flue gas in SO3；
The guide plate is arranged on the downside that the akaline liquid sprays curtain, and the top and bottom of the guide plate are respectively by cold
But medium tube is connected with the low-temperature receiver, and cooling medium is provided from low-temperature receiver to the guide plate, and by the cooling medium stream after use
Enter into low-temperature receiver, for rotating and cooling down input flue gas；
The condensation tube bank area is located at the downside of the guide plate, and the top and bottom of the condensation tube bundle region are respectively by described
Cooling medium pipe is connected with the low-temperature receiver, and cooling medium is provided from low-temperature receiver to the condensation tube bundle region, and by the cooling after use
Medium is flowed into low-temperature receiver, for humid flue gas to be cooled down, and separates out condensate, and trap the fine particle in flue gas；
The demister is arranged on the lower section of the condensation tube bundle region, for humid flue gas to be carried out into gas-liquid separation；
The water leg is located at the lower section of the demister, for collecting the liquid separated out；
The smoke bending plate is located at the outside of the water leg, between flue gas cooling purifier and exhanst gas outlet, for that will export cigarette
Liquid in gas is further separated out.
6. device according to claim 5, it is characterised in that the guide plate and the angle in flow of flue gas direction are 0-80
Degree.
7. device according to claim 5, it is characterised in that the height of the demister is 0-1500 millimeters.
8. device according to claim 5, it is characterised in that the guide plate layer height is 0-2000mm.
9. device according to claim 5, it is characterised in that the smoke bending plate is flue gas runner pipe of the bending more than 90 degree
Road.
10. device according to claim 5, it is characterised in that also including water spray soot cleaning system, the water spray soot cleaning system
It is arranged on inside the flue gas cooling purifier, is rushed by periodically or continuously pressure (hydraulic) water, removes the guide plate, cooling tube bundle
The TDS particles condensed on area, demister and flue gas cooling purifier inwall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383505.4A CN107213732A (en) | 2017-05-26 | 2017-05-26 | Vapor, TDS and SO in wet desulfurization flue gas3Removal methods and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383505.4A CN107213732A (en) | 2017-05-26 | 2017-05-26 | Vapor, TDS and SO in wet desulfurization flue gas3Removal methods and device |
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| CN107213732A true CN107213732A (en) | 2017-09-29 |
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ID=59945294
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108261910A (en) * | 2018-03-30 | 2018-07-10 | 广东佳德环保科技有限公司 | A kind of washing ammonia desulfuration equipment |
| CN109289475A (en) * | 2018-10-12 | 2019-02-01 | 上海翰忠环保有限公司 | A kind of high effective flue gas fair current dust-removal and desulfurizing disappears white processing method and its device |
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| KR20070080629A (en) * | 2006-02-08 | 2007-08-13 | (주)대성공영환경 | Method and apparatus for treating exhaust gas in order to prevent generation of white smoke |
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| CN109289475A (en) * | 2018-10-12 | 2019-02-01 | 上海翰忠环保有限公司 | A kind of high effective flue gas fair current dust-removal and desulfurizing disappears white processing method and its device |
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