CN106955598A - The open runner network pipe type high pressure reverse osmosis membrane assembly of super-pressure - Google Patents
The open runner network pipe type high pressure reverse osmosis membrane assembly of super-pressure Download PDFInfo
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- CN106955598A CN106955598A CN201710264214.3A CN201710264214A CN106955598A CN 106955598 A CN106955598 A CN 106955598A CN 201710264214 A CN201710264214 A CN 201710264214A CN 106955598 A CN106955598 A CN 106955598A
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- 239000012528 membrane Substances 0.000 title claims abstract description 94
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 171
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 239000012466 permeate Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 11
- 239000003365 glass fiber Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 9
- 150000003839 salts Chemical class 0.000 description 9
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 230000004907 flux Effects 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 210000003746 feather Anatomy 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 208000005156 Dehydration Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
- B01D63/12—Spiral-wound membrane modules comprising multiple spiral-wound assemblies
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to the open runner network pipe type high pressure reverse osmosis membrane assembly of super-pressure, including putamina, center water producing pipe, center pull rod, single membrane component, putamina two ends, which is set, set between termination fixed disk, two ends fixed disk peripheral pull bar, and putamina end is fixed in the fixing groove of termination fixed disk.Center pull rod is located in center water producing pipe inner chamber, and center pull rod two ends are exposed independent from outside putamina, and one end and the center water producing pipe of center pull rod are sealed, and the other end sets permeate joint.Single membrane component is arranged between front and rear two resistance to stress disk, and the support chip that the center of resistance to stress disk is connected with circumference is arc, is radially supported.The application can take into account that resistant is resistance to stifled simultaneously, the pressure loss is small, water-flow equation is uniform, film effective area more greatly, the advantages of operating pressure is high.
Description
Technical field
The present invention relates to reverse osmosis membrane assembly, for Impurity removals such as organic matter in water body and inorganic salts.Available for water purification
Treatment technology, the highly concentrated technique of high-salt wastewater, high organic wastewater and remaining industrial wastewater.More particularly to it is a kind of open
Webmaster runner reverse osmosis membrane assembly.
Background technology
In recent years, membrane technology is quickly grown, and is returned in electric power, metallurgy, petroleum and petrochemical industry, medicine, food, municipal works, sewage
With and the field such as desalinization obtain relatively broad application, all kinds of engineerings are even more rapidly to the demand of membrane technology and its equipment
Increase.At present in percolate and strong brine zero-emission application field, network pipe type reverse osmosis membrane assembly has been widely used.
But common network pipe type membrane module has following defect, the present invention is done on the basis of existing network pipe type membrane module
It is correspondingly improved：
（1）160 kilograms of traditional super-pressure network pipe type membrane modules cause super-pressure using expensive 316Ti Stainless steel pressure vessels
The popularization of network pipe type membrane module is restricted.In addition occur when traditional 316Ti Stainless steel pressure vessels are waste water
Get rusty phenomenon, and then shorten the life-span of super-pressure network pipe type membrane module.
（2）Traditional network pipe type membrane module uses the open runner of scalariform, and the open water inlet filter divides thick filter and thin
Filter（Fig. 1）, current operationally enter in air stream enter runner with thin filter angle in 90 °.The current of larger resistance are formed in passage, because
Suspended particulate substance and organic matter in this water inlet are easily attached to causes the dirt of film to be blocked up into water filter.In addition, the concentration of inorganic salts
On the surface of film because concentration polarization easily forms fouling.Larger resistance can cause the larger pressure loss in water inlet filter, when
When the pressure loss is higher than 1 kilogram, because penetrating fluid collecting pipe weaker bonding in resistance to stress Pan Yu centers can cause resistance to stress disk edge
Center penetrating fluid collecting pipe slip.The mobile of resistance to stress disk can cause the rupture of membrane component epoxide-resin glue shell, eventually
Trigger the damage of water inlet filter and film bag.In addition, film dirt is stifled and concentration polarization can cause the decline of membrane flux, the film longevity is ultimately resulted in
The shortening of life.
（3）Its center ring of the resistance to stress disk of traditional network management formula membrane module is connected support chip with outer interannular and connected using straight chip type
Connect, sector channel formed between support chip and piece, current can not be mixed uniformly during water inlet, and can not with circumference membrane area gradual change
And distribute in right amount, therefore water inlet can not evenly distribute to different circumference to intake tunnel in, be easily caused part film channel blockage.This
The inwall of its center ring of the resistance to stress disk of outer traditional network pipe type membrane module does not have safety locking mechanism, therefore is easily caused resistance to stress
Disk is slided along center penetrating fluid collecting pipe, eventually leads the damage into water filter and film bag.
（4）Traditional flow guiding disc water inlet enters from straight hole due to lacking radian, current, causes to be uniformly distributed in into water
The intake tunnel of membrane component, therefore, is easily caused part film channel blockage.Sealing ring on the mozzle of center is by holding tightly in sealing
The mode of heart mozzle is sealed.This sealing means are easily caused drainage, and then deteriorate producing water water quality.Long-term leak
Stainless steel center pull rod can be caused to corrode.
The content of the invention
The technical problems to be solved by the invention are, for the water inlet flow channel of existing spiral, coiled reverse osmosis membrane element
Smooth, resistant does not block up ability, easily causes concentration polarization, and the membrane area of disc tube reverse osmosis (dt-ro) membrane module is small, maintenance is cumbersome, throw
The shortcomings of providing uneven high cost, inlet distribution and poor high-voltage resistance capability.There is provided a kind of open runner network pipe type of super-pressure anti-
Permeable membrane element.
Concrete technical scheme is：A kind of open runner network pipe type high pressure reverse osmosis membrane assembly of super-pressure, including putamina
（2）, the center water producing pipe that is arranged in putamina（17）, center pull rod（18）, single membrane component（1）, the putamina is glass fibers
Tie up pressure vessel, putamina（2）One end of water inlet is provided with raw water joint（7）, one end of water outlet is provided with concentrated water joint（8）, film
Shell（2）Water inlet one end is provided with water-in flange end cap（3）, water-in flange end cap（3）Inner side is provided with into water spiral-flow type and led again
Flow table（5）With resistance to stress disk（10）, the water-in flange end cap（3）, water inlet spiral-flow type flow guiding disc（5）, resistance to stress disk（10）Three
Person respectively with putamina（2）Between sealing ring is set；The raw water joint（7）Through the water-in flange end cap（3）Revolved with water inlet
Streaming flow guiding disc（5）Water hole docking, the water hole close to flow guiding disc plate edge in tangential water inlet, and the water hole
For arcuate socket to produce spiral-flow type water distribution, the raw water joint（7）With water inlet spiral-flow type flow guiding disc（5）Between be provided with sealing
Circle.
One end of the putamina water outlet is provided with water-output flange end cap（4）, water-output flange end cap（4）Inner side is provided with out again
Water spiral-flow type flow guiding disc（6）, resistance to stress disk（10）, the water-output flange end cap（4）, water outlet spiral-flow type flow guiding disc（6）, resistance to stress
Disk（10）Three respectively with putamina（2）Between sealing ring, the concentrated water joint are set（8）Through the water-output flange end cap（4）
With water outlet spiral-flow type flow guiding disc（6）Water hole docking, the concentrated water joint（8）With water outlet spiral-flow type flow guiding disc（6）Between set
It is equipped with sealing ring；Resistance to stress disk（10）Uniform spiral-flow type water distribution manner is constituted between water-in and water-out spiral-flow type flow guiding disc.
The center water producing pipe（17）Two ends respectively with water-in and water-out spiral-flow type flow guiding disc（6）The platform opened up on medial surface
Rank holds out against, center pull rod（18）It is located in center water producing pipe（17）Inner chamber, and center pull rod two ends are exposed independent from outside putamina, in
Heart pull bar（18）With center water producing pipe（17）Between retain passage gaps, and center pull rod（18）One end and center water producing pipe
（17）Between seal, the other end set with passage gaps turn on permeate joint（9）, permeate joint（9）With center pull rod
（18）Between set production waterstop ring（15）.
Putamina（2）Two ends set termination fixed disk（11）, the termination fixed disk（11）With water-in and water-out flange end caping
Tightly（3、4）, the termination fixed disk（11）Medial surface on offer fixing groove, putamina（2）Two ends be fixed on it is described solid
Determine in groove；Termination fixed disk（11）Plate edge exceed putamina outside, two ends fixed disk（11）Between be provided with peripheral pull bar.
Single membrane component is arranged between front and rear two resistance to stress disk, center water producing pipe（17）On offer ordered series of numbers aperture, pass through
Penetrating fluid after membrane component filtering imports center water producing pipe from ordered series of numbers aperture.
Further, resistance to stress disk uses Hydraulic design, and the support chip that center is connected with circumference is arc, radially
Support, such design can effectively make to be evenly distributed to card into water.In card use from center to surrounding circular openings, aperture by
Become larger from inside to outside.Because membrane component is in rolled structure, outwards each all membrane areas are slowly expanding at center（That is center circle
All membrane areas are minimum, and outmost turns circumference membrane area is maximum）, so design can make the inflow convergence born on different parts face
Unanimously, membrane component is in optimal performance, and can will enter the transmission of water stress with disperseing.）
Further, setting center water producing pipe sealing ring in the step of water-in and water-out spiral-flow type flow guiding disc.
Further, termination fixed disk is fixed using termination fixed disk screw, and peripheral pull bar is fixed on by fixing nut
On the fixed disk of termination.
Preferably, the membrane component has open webmaster runner.Specific membrane component is coated on outside the water producing pipe of center
The separating layer in week, it is described if the separating layer is the film bag layer rolled by dry film bag and open filter with same direction
Open filter is arranged in the water inlet flow channel between adjacent membranes bag layer surface, and open filter and film bag surface are button type
The way of contact, connecting salient points for the thin filter of rhombus, along Inlet and outlet water side between the two row convex dot shape filters on surface are contacted with film bag
To the open runner for forming rule rhombus spaciousness；The inner side edge of the film bag and open filter is connected with center water producing pipe
Fixation is connect, is arranged in center to emitting shape around, then film bag and open filter are screwed to constitute in the same direction together
The film bag layer stated, is wound environmental sealing, two ends are pacified again in the film bag layer periphery spooled with glass fibre and epoxide-resin glue
Fill the resistance to stress disk.
Preferably, the film bag is formed by the opposite bonding in two panels diaphragm front, is set in the production water flow passage between two panels diaphragm
Pure water flow-guiding screen is equipped with, the penetrating fluid being filtrated to get flows out through pure water flow-guiding screen.
The resistance to stress disk of the present invention cooperatively forms uniform spiral-flow type water distribution with two kinds of structures of water-in and water-out spiral-flow type flow guiding disc
Mode.
Compared with prior art, the advantage of the invention is that：
（1）Using the open filter of rhombus, open filter, open filter root are set in the water inlet flow channel between film bag surface
According to fluid behaviour and diaphragm bearing requirements, what is contacted with film bag surface is only convex particle filter, same what is played a supportive role
When reduce the contact with film surface.Connection bump shape particle for the thin filter of rhombus, arrange convex contact the two of surface with film bag
Rise and form the spacious open runner of a rule rhombus along Inlet and outlet water direction between graininess filter, current are operationally thin with rhombus
Filter angle at 45 ° is entered in air stream enter runner.The current of minimal drag are formed in passage, film surface velocity is very fast, is brought into from water inlet
Suspended contamination, and inorganic salts under being trapped, organic matter are difficult to be blocked, and membrane component is discharged with the current of concentrated water, so that
Effectively prevent the pollutant being trapped and be attached to the surface of intake tunnel and film causes the dirt of film stifled and concentration polarization and fouling,
The decline of membrane flux is further avoided, extends the film longevity.In addition single branch film pressure, which damages reduction, can avoid resistance to stress disk along center
Penetrating fluid collecting pipe is slided, and then avoids the rupture of membrane component epoxide-resin glue and the damage of water inlet filter and film bag.
（2）Single only open webmaster runner reverse-osmosis membrane element is placed in a pressure putamina, it is possible to reduce membrane module
The pressure loss.Using stainless steel center pull rod, contribute to the raising of operating pressure.
（3）Resistance to stress disk uses Hydraulic design, and the support chip that center is connected with circumference uses cambered design, such design
It can effectively make to be evenly distributed to card into water.Used in card from center to surrounding circular openings, aperture is ascending.It is newly developed
Resistance to stress disk using safety locking mechanism eliminate resistance to stress disk along center water producing pipe slide the problem of because membrane component into
Rolled structure, from center, outwards each all membrane areas are slowly expanding（I.e. center circumferential membrane area is minimum, outmost turns circumferential membrane
Area is maximum）, so design can make the inflow convergence born on different parts face consistent, membrane component is in optimal use
Performance, can meet 90bar operations.
（4）Raw water is entered by one end face of membrane component, sets a spiral-flow type water inlet flow guiding disc in water inlet end, current are in water conservancy diversion
By the way that with cambered openning, in tangential motion even into an end face to film, cross-flow filtration is formed on film surface on disk,
And water conservancy diversion center hole changes conventional hood type with the sealing of center water producing pipe and sealed, by reducing centre bore and shortening step,
Directly sealing ring is placed on step, center water producing pipe end face is directly compressed with sealing ring and sealed.Concentrated water after filtering is by another
One end face discharge, the water purification after filtering is exported by infiltration water swivel.This measure can effectively solve common circular hole and directly enter water cloth
The uneven defect of water, and the insecure shortcoming of sealing of hood type sealing means in the past.Further, set former in water inlet end
Water swivel, water side sets concentrated water joint, and pure water joint is located at the bottom of membrane module.
（5）By setting termination fixed disk, four peripheral pull bars are installed in membrane module periphery by film by termination fixed disk
Element is safely and effectively fixed on glass fibre pressure vessel（The putamina of glass fiber material）In.Set on the inside of the fixed disk of termination
Fixing groove is equipped with, the two ends of pressure vessel are fixed in the fixing groove of two termination fixed disks, significantly improve membrane module
Bearing capacity.Due to being substantially reduced using the expense of glass fibre pressure vessel, membrane module.In addition glass fibre pressure vessel exists
Be not in phenomenon of getting rusty during with waste water, and then extend the life-span of super-pressure network pipe type membrane module.The present invention is conducive to
Popularization of the 160 feather weight super-pressure network pipe type membrane modules in high slat-containing wastewater field.
It is resistance to stifled that the reverse osmosis membrane member component of the present invention can take into account resistant simultaneously,（SDI≦20）, the pressure loss is small, current point
Cloth is uniform, the effective area of the film bigger, rate of recovery and membrane flux obtain and significantly improve, disclosure satisfy that 160 feather weight super-pressure
The advantages of operation.In addition the application's is simple in construction, is easy to maintaining, service life longer.
Brief description of the drawings
Fig. 1 is the open runner water inlet filter of traditional scalariform；
Fig. 2 is the structural representation of traditional membrane component resistance to stress disk；
Fig. 3 is traditional flow guiding disc schematic diagram；
Fig. 4 is traditional flow guiding disc schematic diagram；
Fig. 5 is the open runner water inlet filter schematic diagram of rhombus in the embodiment of the present invention；
Fig. 6 is the sectional view of open webmaster runner reverse osmosis membrane assembly in the embodiment of the present invention；
Fig. 7 is the structural representation of spiral-flow type flow guiding disc in the embodiment of the present invention；
Fig. 8 is the front schematic view of spiral-flow type flow guiding disc in the embodiment of the present invention；
Fig. 9 is the structural representation of embodiment of the present invention moderate resistance strain disc.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Fig. 5 to 9, the open runner network pipe type high pressure reverse osmosis membrane assembly of super-pressure in the present embodiment, including
Putamina 2（Glass fibre pressure vessel）, be arranged in putamina center water producing pipe 17, center pull rod 18, single membrane component 1, film
One end that shell 2 is intake is provided with raw water joint 7, and one end of water outlet is provided with concentrated water joint 8, putamina water inlet one end be provided with into
Water flange end cap 3, the inner side of water-in flange end cap 3 is provided with into water spiral-flow type flow guiding disc 5 and resistance to stress disk 10, water-in flange end again
Lid 3, water inlet spiral-flow type flow guiding disc 5, the three of resistance to stress disk 10 are correspondingly arranged end cap seal circle 12, water conservancy diversion between putamina 2 respectively
Disk sealing ring 13.Raw water joint 7 is docked through water-in flange end cap 3 with the water hole for spiral-flow type flow guiding disc 5 of intaking, the water hole
Plate edge close to flow guiding disc is arcuate socket to produce spiral-flow type water distribution in tangential water inlet, and the water hole.Raw water joint 7
Production waterstop ring 15 is provided between water inlet spiral-flow type flow guiding disc 5.
One end of putamina water outlet is provided with water-output flange end cap 4, and the inner side of water-output flange end cap 4 is provided with water outlet spiral-flow type again
Flow guiding disc 6, resistance to stress disk 10, water-output flange end cap 4, water outlet spiral-flow type flow guiding disc 6, the three of resistance to stress disk 10 respectively with putamina 2
Between sealing ring is set, concentrated water joint 8 is docked through water-output flange end cap 4 with the water hole of water outlet spiral-flow type flow guiding disc 6, described
Sealing ring is provided between concentrated water joint 8 and water outlet spiral-flow type flow guiding disc 6.
The two ends of putamina 2 set termination fixed disk 11, and termination fixed disk 11 is held out against with water-in and water-out flange end cap 3,4, termination
16 millimeters of fixing groove is offered on the medial surface of fixed disk 11, the two ends of putamina 2 are fixed in fixing groove.Termination fixed disk
11 are fixed using termination fixed disk screw 20.The plate edge of termination fixed disk 11 exceed putamina outside, two ends fixed disk 11 it
Between be provided with four peripheral pull bars 21, peripheral pull bar 21 is fixed on termination fixed disk 11 by fixing nut 22.
The two ends of center water producing pipe 17 are held out against with the step that is opened up on water-in and water-out spiral-flow type flow guiding disc 5,6 medial surfaces respectively,
Setting center water producing pipe sealing ring 16 in the step of water-in and water-out spiral-flow type flow guiding disc 5,6.Center pull rod 18 is located in center production water
The inner chamber of pipe 17, and the two ends of center pull rod 18 are exposed independent from outside putamina 2, the two ends of center pull rod 18 set center pull rod to fix spiral shell
Mother 19.Retain passage gaps, and one end and the center water producing pipe of center pull rod 18 between center pull rod 18 and center water producing pipe 17
Sealed between 17 by sealing ring, the other end sets what is collected in the permeate joint 9 turned on passage gaps, center water producing pipe
Infiltration water is exported via permeate joint 9.
Single membrane component 1 is arranged between front and rear two resistance to stress disk, ordered series of numbers aperture is offered on center water producing pipe 17, through film
Penetrating fluid after element filters imports center water producing pipe 17 from ordered series of numbers aperture, is provided with membrane component between membrane component and putamina 2 close
Seal 14.
As shown in figure 9, resistance to stress disk uses Hydraulic design, the support chip that center is connected with circumference is arc, in radiation
Shape is supported, and such design can effectively make to be evenly distributed to card into water.Used in card from center to surrounding circular openings, aperture
Become larger from inside to outside.Resistance to stress disk 10 constitutes uniform spiral-flow type water distribution manner with water-in and water-out spiral-flow type flow guiding disc.
In the present embodiment, membrane component has open webmaster runner.Specific membrane component is coated on center water producing pipe 17
The separating layer of periphery, if the separating layer is the film bag layer rolled by dry film bag and open filter with same direction, institute
State in the water inlet flow channel that open filter is arranged between adjacent membranes bag layer surface, and open filter and film bag surface are button type
The way of contact, connecting salient points for the thin filter of rhombus, along Inlet and outlet water between the two row convex dot shape filters on surface are contacted with film bag
Direction forms the spacious open runner of a rule rhombus, as shown in Figure 5.The inner side edge of film bag and open filter is produced with center
Water pipe is connected to a fixed, and is arranged in center to emitting shape around, and then film bag and open filter are screwed in the same direction together
With the film bag layer described in composition, environmental sealing is wound with glass fibre and epoxide-resin glue in the film bag layer periphery spooled,
Two ends are installed by the resistance to stress disk again.
Above-mentioned film bag is formed by the opposite bonding in two panels diaphragm front, and pure water is provided with the production water flow passage between two panels diaphragm
Flow-guiding screen, the penetrating fluid being filtrated to get flows out through pure water flow-guiding screen.
1. efficient open webmaster runner reverse osmosis membrane assembly does not use stainless steel center pull rod（Referring to the patent No.）, and open
Put formula runner network pipe type high pressure reverse osmosis membrane assembly（STRO）Using stainless steel center pull rod, the open runner network pipe type of super-pressure
Reverse osmosis membrane assembly（STRO）Not only use stainless steel center pull rod but also used 4 peripheral pull bars, so that new film group
The operating pressure of part rises to 90 kilograms and 160 kilograms respectively by original 75 kilograms.
2. when the salt content of raw water is in 25000-30000mg/l, the other efficient open webmaster stream of traditional 75kg weight category
Road reverse osmosis membrane assembly, due to relatively low operating pressure, the rate of recovery of system would generally be limited in 50% or so.And use 90
Kilogram open runner network pipe type high pressure reverse osmosis membrane assembly of rank and the open runner network pipe type of the other super-pressure of 160 feather weight
Reverse osmosis membrane assembly, the rate of recovery of system can rise to 60% and 80% or so respectively, so that the cycles of concentration of system is risen into 5. by 2
The higher rate of recovery reduces the yield of system concentrated water, therefore reduces the treating capacity of subsequent evaporation device, thus can substantially reduce
The investment cost and operating cost of system.Relatively low operating pressure causes the aquifer yield of film relatively low, thus in the aquifer yield of system
The quantity of membrane module is higher needed in the case of certain, thus the cost of investment of system is higher.And super-pressure reverse osmosis membrane assembly
Higher osmotic pressure can be overcome, because intake pressure raises the net pressure rise for causing driving counter-infiltration so that aquifer yield
Increase, and then reduce the quantity of membrane module, so as to reduce investment and the operating cost of system.
3. when the operating pressure rise of reverse osmosis membrane, film is also increased to the rejection of salinity.Because permeation flux
Increase with the rise of operating pressure, as the pressure increases, the quantity of solvent of permeable membrane increases and flux salt is constant, therefore salt rejection rate increases
Greatly.
4. when the salt content of raw water is in 25000-30000 mg/l, the open runner network pipe type high pressure of 75kg weight category is anti-
Permeable membrane element（STRO）（Non-stop layer pull bar）, the open runner network pipe type high pressure reverse osmosis membrane assembly of 90 feather weight（STRO）And
The open runner network pipe type reverse osmosis membrane assembly of super-pressure（STRO）Test data of experiment such as following table:
| Raw water salt content 25000-30000 mg/l | The system rate of recovery | Salt rejection rate | Membrane flux |
| The other STRO of 75kg weight category | ̴50% | 95% | 10LMH |
| 90 kilograms of rank STRO | ̴60% | 95.8% | 12LMH |
| 160 kilograms of rank STRO | ̴80% | 95.9% | 15LMH |
Claims (6)
1. a kind of open runner network pipe type high pressure reverse osmosis membrane assembly of super-pressure, including putamina（2）, be arranged in putamina
Heart water producing pipe（17）, center pull rod（18）, single membrane component（1）, the putamina is glass fibre pressure vessel, putamina（2）Enter
One end of water is provided with raw water joint（7）, one end of water outlet is provided with concentrated water joint（8）, putamina（2）Water inlet one end is provided with
Water-in flange end cap（3）, water-in flange end cap（3）Inner side is provided with into water spiral-flow type flow guiding disc again（5）With resistance to stress disk（10）,
The water-in flange end cap（3）, water inlet spiral-flow type flow guiding disc（5）, resistance to stress disk（10）Three respectively with putamina（2）Between set
Sealing ring；The raw water joint（7）Through the water-in flange end cap（3）With water inlet spiral-flow type flow guiding disc（5）Water hole pair
Connect, the water hole is arcuate socket to produce spiral-flow type cloth close to the plate edge of flow guiding disc in tangential water inlet, and the water hole
Water, the raw water joint（7）With water inlet spiral-flow type flow guiding disc（5）Between be provided with sealing ring；
One end of the putamina water outlet is provided with water-output flange end cap（4）, water-output flange end cap（4）Inner side is provided with water outlet rotation again
Streaming flow guiding disc（6）, resistance to stress disk（10）, the water-output flange end cap（4）, water outlet spiral-flow type flow guiding disc（6）, resistance to stress disk
（10）Three respectively with putamina（2）Between sealing ring, the concentrated water joint are set（8）Through the water-output flange end cap（4）With
Water outlet spiral-flow type flow guiding disc（6）Water hole docking, the concentrated water joint（8）With water outlet spiral-flow type flow guiding disc（6）Between set
There is sealing ring；
The resistance to stress disk（10）Uniform spiral-flow type water distribution manner is constituted between water-in and water-out spiral-flow type flow guiding disc；
The center water producing pipe（17）Two ends respectively with water-in and water-out spiral-flow type flow guiding disc（6）The step-shaped top opened up on medial surface
Tightly, center pull rod（18）It is located in center water producing pipe（17）Inner chamber, and center pull rod two ends are exposed independent from outside putamina, center is drawn
Bar（18）With center water producing pipe（17）Between retain passage gaps, and center pull rod（18）One end and center water producing pipe（17）It
Between seal, the other end set with passage gaps turn on permeate joint（9）, permeate joint（9）With center pull rod（18）It
Between set production waterstop ring（15）；
The putamina（2）Two ends set termination fixed disk（11）, the termination fixed disk（11）With water-in and water-out flange end caping
Tightly, the termination fixed disk（11）Medial surface on offer fixing groove, putamina（2）Two ends be fixed on the fixing groove
It is interior；Termination fixed disk（11）Plate edge exceed putamina outside, two ends fixed disk（11）Between be provided with peripheral pull bar；
Single membrane component is arranged between front and rear two resistance to stress disk, center water producing pipe（17）On offer ordered series of numbers aperture, through membrane element
Penetrating fluid after part filtering imports center water producing pipe from ordered series of numbers aperture；
The support chip that the center of the resistance to stress disk is connected with circumference is arc, is radially supported, and is used in card from center
To surrounding circular openings, aperture becomes larger from inside to outside.
2. the open runner network pipe type high pressure reverse osmosis membrane assembly of super-pressure according to claim 1, it is characterised in that：
Water-in and water-out spiral-flow type flow guiding disc（6）The step in setting center water producing pipe sealing ring（16）.
3. the open runner network pipe type high pressure reverse osmosis membrane assembly of super-pressure according to claim 1, it is characterised in that：Institute
State termination fixed disk（11）Using termination fixed disk screw（20）Fixed, peripheral pull bar is fixed on termination by fixing nut and fixed
Disk（11）On.
4. the open runner network pipe type high pressure reverse osmosis membrane assembly of super-pressure according to claim 1, it is characterised in that：Institute
Stating membrane component has open webmaster runner.
5. the open runner network pipe type high pressure reverse osmosis membrane assembly of super-pressure according to claim 1, it is characterised in that：Institute
State membrane component and be coated on center water producing pipe（17）The separating layer of periphery, if the separating layer be by dry film bag and it is open every
The film bag layer that net is rolled with same direction, the open filter is arranged on the water inlet flow channel between adjacent membranes bag layer surface
In, and open filter and film bag surface are the way of contact of button type, connecting salient points for the thin filter of rhombus, connect with film bag
Between the two row convex dot shape filters on tactile surface the spacious open runner of a rule rhombus is formed along Inlet and outlet water direction；
The inner side edge of the film bag and open filter is connected to a fixed with center water producing pipe, is arranged in center to emitting shape around
Row, then film bag and open filter are screwed to constitute described film bag layer, outside the film bag layer spooled in the same direction together
Week is wound environmental sealing with glass fibre and epoxide-resin glue, and the resistance to stress disk is installed at two ends again.
6. the open runner network pipe type high pressure reverse osmosis membrane assembly of super-pressure according to claim 5, it is characterised in that：Institute
State film bag to be formed by the opposite bonding in two panels diaphragm front, pure water flow-guiding screen, mistake are provided with the production water flow passage between two panels diaphragm
Obtained penetrating fluid is filtered to flow out through pure water flow-guiding screen.
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| CN201710264214.3A CN106955598A (en) | 2017-04-21 | 2017-04-21 | The open runner network pipe type high pressure reverse osmosis membrane assembly of super-pressure |
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| CN201710264214.3A CN106955598A (en) | 2017-04-21 | 2017-04-21 | The open runner network pipe type high pressure reverse osmosis membrane assembly of super-pressure |
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| CN114380468A (en) * | 2022-01-21 | 2022-04-22 | 江苏坤奕环境技术股份有限公司 | Full-amount treatment system and method for leachate of garbage transfer station |
| CN114713031A (en) * | 2022-04-19 | 2022-07-08 | 杭州卧特松环保科技有限公司 | Reverse osmosis membrane layer assembly and reverse osmosis membrane element resistant to high COD and impurity pollution |
| CN114762798A (en) * | 2021-01-14 | 2022-07-19 | 美富特有限公司 | Carrier tray for a membrane filtration module, membrane element for a membrane filtration module and membrane filtration module |
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