CN204699588U - The MBR flat sheet membrane module of low operation energy consumption - Google Patents
The MBR flat sheet membrane module of low operation energy consumption Download PDFInfo
- Publication number
- CN204699588U CN204699588U CN201520412061.9U CN201520412061U CN204699588U CN 204699588 U CN204699588 U CN 204699588U CN 201520412061 U CN201520412061 U CN 201520412061U CN 204699588 U CN204699588 U CN 204699588U
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- China
- Prior art keywords
- fixed head
- membrane unit
- flat membrane
- distance piece
- flat
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- Expired - Fee Related
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 80
- 238000005265 energy consumption Methods 0.000 title claims abstract description 20
- 238000000926 separation method Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 238000005273 aeration Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 244000005700 microbiome Species 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model proposes a kind of MBR flat sheet membrane module that effectively can reduce the low operation energy consumption of MBR system operation energy consumption, it comprises collecting pipe, first fixed head, second fixed head, multiple Flat Membrane unit between two fixed heads, collecting pipe one end is connected with the first fixed head, the collecting pipe other end is sequentially connected with the second fixed head through after each pod apertures and separation seal sheet, it also comprises multiple fixed bar, between first fixed head and Flat Membrane unit, between second fixed head and Flat Membrane unit, distance piece is equipped with between adjacent panels film unit, each distance piece and each fixed bar are all positioned at Flat Membrane unit bottom, fixed bar one end is connected with the first fixed head, the fixed bar other end is sequentially connected with the second fixed head through after each distance piece and each Flat Membrane unit, first fixed head and adjacent distance piece, distance piece and adjacent Flat Membrane unit, second fixed head and adjacent distance piece are close to mutually.
Description
Technical field
The utility model relates to water-treatment technology field, is specifically a kind of MBR flat sheet membrane module of low operation energy consumption.
Background technology
Membrane bioreactor (hereinafter referred to as MBR) replaces traditional second pond by membrane separation technique, goes out bioreactor, obtain the process water that turbidity is very low by through biochemical sewage water filtration.Meanwhile, the mud in system, bacterium and larger molecular organics also keep in the reactor.This separate mode improves effluent quality, adds the sludge concentration in reactor, remains useful microorganism, compared with traditional activated sludge process, MBR technology effluent quality is good, COD, BOD, turbidity is all very low, most of bacterium, virus is trapped, effluent quality reaches or is better than the water standard of reclaimed water, can directly as Treated sewage reusing in urban landscaping, clean, fire-fighting, the point of applications such as cooling circulating water.In MBR technology, the efficient crown_interception of film also achieves being separated of dwell time of sewage and the microorganism time of staying, and the concentration of microorganism and mud is high, and floor space is little, and sludge yield is little, and treatment effeciency is high.
Membrane bioreactor generally comprises MBR membrane module, aeration assembly and dynamical system (pump etc.), and wherein membrane module is most important part in MBR system.The MBR membrane module that current routine uses has three types, is hollow fiber form respectively, tubular type and flat.
Flat MBR membrane element is developed by Japan the earliest, mainly comprises middle gripper shoe and the diaphragm on two sides.Run space-time bubbles entrain water to move upward in the middle of diaphragm, clean diaphragm, effectively can remove the pollutant on diaphragm, membrane module stable operation can be reached and within more than 6 months, do not need repeatedly to rinse.Regular simple inner face soaks and just can have efficient recovery flux.There is not hollow-fibre membrane fracture of wire problem in board-like MBR membrane module, there is not the problem of tubular membrane high operating cost yet, has larger application prospect.
But board-like MBR membrane module needs larger air quantity to guarantee that diaphragm is effectively cleaned in running.Description based on the current main several Flat Membrane brand on the market of China describes, the air quantity that general Iarge-scale system needs is 10-12 liter/square metre film * minute, this numeric ratio ordinary hollow tunica fibrosa wants large, and ordinary hollow tunica fibrosa is generally 6-7 liter/square metre film * minute.Therefore, the energy consumption that excessive air quantity makes MBR system run increases, and high operation energy consumption greatly limit the range of application of MBR technology.
Utility model content
Technical problem to be solved in the utility model is, overcomes the defect of prior art, provides a kind of MBR flat sheet membrane module that effectively can reduce the low operation energy consumption of MBR system operation energy consumption.
For solving the problems of the technologies described above, the utility model proposes a kind of MBR flat sheet membrane module of low operation energy consumption, it comprises collecting pipe, first fixed head, second fixed head, multiple Flat Membrane unit between two fixed heads, the pod apertures of break-through is equipped with in the middle part of each Flat Membrane unit, between first fixed head and Flat Membrane unit, between second fixed head and Flat Membrane unit, separation seal sheet is equipped with being positioned at pod apertures place between adjacent panels film unit, collecting pipe one end is connected with the first fixed head, the collecting pipe other end is sequentially connected with the second fixed head through after each pod apertures and separation seal sheet, the collecting pipe other end is provided with the connection for connecting suction pump, first fixed head and adjacent separation seal sheet, separation seal sheet and adjacent Flat Membrane unit, second fixed head and adjacent separation seal sheet are close to mutually, it also comprises multiple fixed bar, between first fixed head and Flat Membrane unit, between second fixed head and Flat Membrane unit, distance piece is equipped with between adjacent panels film unit, each distance piece and each fixed bar are all positioned at Flat Membrane unit bottom, fixed bar one end is connected with the first fixed head, the fixed bar other end is sequentially connected with the second fixed head through after each distance piece and each Flat Membrane unit, first fixed head and adjacent distance piece, distance piece and adjacent Flat Membrane unit, second fixed head and adjacent distance piece are close to mutually.
After adopting said structure, compared with prior art, the utility model has the following advantages: because Flat Membrane unit is only fixed by fixed bar in bottom, top has certain amplitude that freely swings, so when Flat Membrane unit top freely swings, reduce during aqueous vapor flow velocity between Flat Membrane unit, time and increase, considerably increase the moment flow velocity between Flat Membrane unit like this, improve the scouring efficiency of aqueous vapor to the diaphragm of Flat Membrane unit both sides, therefore, when not reducing the spacing between Flat Membrane unit, air bump rinse operation amount can be reduced, thus reduce MBR system operation energy consumption, so the utility model has the advantage that effectively can reduce MBR system operation energy consumption.
As improvement, Flat Membrane unit is made up of at the diaphragm on middle flow guiding grid surface middle flow guiding grid and sealed envelope, and like this, structure is simple, function admirable.
As improvement, diaphragm welds with middle flow guiding grid surrounding, and like this, diaphragm can be connected on middle flow guiding grid by welding manner easily, and connection sealing is fine.
As improvement, middle flow guiding grid is plastic grid, and like this, cost is low, lighter in weight, and top more easily swings.
As improvement, the thickness of separation seal sheet is equal with the thickness of distance piece, and like this, in the vertical direction guarantees the perpendicularity of each Flat Membrane unit more.
Accompanying drawing explanation
Fig. 1 is the structural representation of the MBR flat sheet membrane module of the low operation energy consumption of the utility model.
Fig. 2 is the structural representation thereunder arranged after aeration assembly of the MBR flat sheet membrane module of the low operation energy consumption of the utility model.
Shown in figure, 1, collecting pipe, the 2, first fixed head, the 3, second fixed head, 4, Flat Membrane unit, 5, separation seal sheet, 6, connection, 7, fixed bar, 8, distance piece, 9, aeration assembly.
Detailed description of the invention
Below the utility model is described in further detail:
The MBR flat sheet membrane module of the low operation energy consumption of the utility model, it comprises collecting pipe 1, first fixed head 2, second fixed head 3, multiple Flat Membrane unit 4 between two fixed heads, the pod apertures of break-through is equipped with in the middle part of each Flat Membrane unit 4, between first fixed head 2 and Flat Membrane unit 4, between second fixed head 3 and Flat Membrane unit 4, separation seal sheet 5 is equipped with being positioned at pod apertures place between adjacent panels film unit 4, collecting pipe 1 one end is connected with the first fixed head 2, collecting pipe 1 other end is sequentially connected with the second fixed head 3 through after each pod apertures and separation seal sheet 5, collecting pipe 1 other end is provided with the connection 6 for connecting suction pump, first fixed head 2 and adjacent separation seal sheet 5, separation seal sheet 5 and adjacent Flat Membrane unit 4, second fixed head 3 is close to mutually with adjacent separation seal sheet 5, it also comprises multiple fixed bar 7, between first fixed head 2 and Flat Membrane unit 4, between second fixed head 3 and Flat Membrane unit 4, distance piece 8 is equipped with between adjacent panels film unit 4, each distance piece 8 and each fixed bar 7 are all positioned at Flat Membrane unit 4 bottom, fixed bar 7 one end is connected with the first fixed head 2, fixed bar 7 other end is sequentially connected with the second fixed head 3 through after each distance piece 8 and each Flat Membrane unit 4, first fixed head 2 and adjacent distance piece 8, distance piece 8 and adjacent Flat Membrane unit 4, second fixed head 3 is close to mutually with adjacent distance piece 8.
Flat Membrane unit 4, also referred to as filter bag, is made up of at the diaphragm on middle flow guiding grid surface middle flow guiding grid and sealed envelope, and diaphragm is micro-filtration or ultrafiltration diaphragm; Separation seal sheet 5 plays interval action simultaneously, and collecting pipe 1 and Flat Membrane unit 4 can also be made to be tightly connected.
Collecting pipe 1 is provided with some through holes in the section of break-through Flat Membrane unit 4, and the section that namely collecting pipe 1 is positioned at pod apertures is provided with some through holes, and these through holes and middle flow guiding grid, diaphragm form dislysate passage; Collecting pipe 1 can be many, corresponding each Flat Membrane unit 4 arranges the pod apertures of equal number, the quantity of concrete pod apertures can be 1-5, depend on diaphragm area and flow velocity design, the size of pod apertures is decided by the flow velocity of deriving water, suggestion is derived cross sectional flow rate and is less than 0.6 meter per second, can ensure relatively low pressure drop like this; Described middle part refers in the relatively middle position of Flat Membrane unit 4, does not refer in particular to absolute centre position, and definitely centre position is that more preferential one is selected certainly, can guarantee that the flowing fluid ratio that surrounding is filtered is collected more uniformly.
Fixed bar 7 can be 10-50 millimeter apart from the span of the distance of Flat Membrane unit 4 bottom surface; The quantity of fixed bar 7 is decided by the size of Flat Membrane unit 4, premised on effectively fixing and splitter plates film unit 4; Fixed bar 7 is stainless steel stock, and its diameter can be 3-10 millimeter.
Diaphragm welds with middle flow guiding grid surrounding; Middle flow guiding grid is plastic grid; The thickness of separation seal sheet 5 is equal with the thickness of distance piece 8.
In use, connection 6 is connected to suction pump to the utility model, and pending mud mixture becomes dislysate through membrane filtration, and the dislysate passage entering middle flow guiding grid flows into collecting pipe 1, then is exported by connection 6, obtains clean product water.Activated sludge in mud mixture is retained by diaphragm, is provided with aeration assembly 9 below the utility model, and aerator and mud mixture to be filtered are along on diaphragm shearing, and cleaning diaphragm, makes the pollution of diaphragm be effectively controlled, and can realize longtime running; Diaphragm top swings by a small margin along with aqueous vapor is done, and intermembranous flow velocity changes along with the swing of diaphragm, can obtain the moment irrigation flow rate exceeding mean flow rate, and diaphragm is effectively cleaned under end aeration rate.
The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.
Claims (5)
1. the MBR flat sheet membrane module of a low operation energy consumption, it comprises collecting pipe, first fixed head, second fixed head, multiple Flat Membrane unit between two fixed heads, the pod apertures of break-through is equipped with in the middle part of each Flat Membrane unit, between first fixed head and Flat Membrane unit, between second fixed head and Flat Membrane unit, separation seal sheet is equipped with being positioned at pod apertures place between adjacent panels film unit, collecting pipe one end is connected with the first fixed head, the collecting pipe other end is sequentially connected with the second fixed head through after each pod apertures and separation seal sheet, the collecting pipe other end is provided with the connection for connecting suction pump, first fixed head and adjacent separation seal sheet, separation seal sheet and adjacent Flat Membrane unit, second fixed head and adjacent separation seal sheet are close to mutually, it is characterized in that, it also comprises multiple fixed bar, between first fixed head and Flat Membrane unit, between second fixed head and Flat Membrane unit, distance piece is equipped with between adjacent panels film unit, each distance piece and each fixed bar are all positioned at Flat Membrane unit bottom, fixed bar one end is connected with the first fixed head, the fixed bar other end is sequentially connected with the second fixed head through after each distance piece and each Flat Membrane unit, first fixed head and adjacent distance piece, distance piece and adjacent Flat Membrane unit, second fixed head and adjacent distance piece are close to mutually.
2. the MBR flat sheet membrane module of low operation energy consumption according to claim 1, is characterized in that, Flat Membrane unit is made up of at the diaphragm on middle flow guiding grid surface middle flow guiding grid and sealed envelope.
3. the MBR flat sheet membrane module of low operation energy consumption according to claim 2, is characterized in that, diaphragm welds with middle flow guiding grid surrounding.
4. the MBR flat sheet membrane module of low operation energy consumption according to claim 2, is characterized in that, middle flow guiding grid is plastic grid.
5. the MBR flat sheet membrane module of low operation energy consumption according to claim 1, is characterized in that, the thickness of separation seal sheet is equal with the thickness of distance piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412061.9U CN204699588U (en) | 2015-06-15 | 2015-06-15 | The MBR flat sheet membrane module of low operation energy consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412061.9U CN204699588U (en) | 2015-06-15 | 2015-06-15 | The MBR flat sheet membrane module of low operation energy consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204699588U true CN204699588U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520412061.9U Expired - Fee Related CN204699588U (en) | 2015-06-15 | 2015-06-15 | The MBR flat sheet membrane module of low operation energy consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204699588U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106268336A (en) * | 2016-08-31 | 2017-01-04 | 成都美富特膜科技有限公司 | MBR membrane module and MBR membrane component |
| CN108144421A (en) * | 2018-02-08 | 2018-06-12 | 江苏优耐特过滤装备有限公司 | Dry gas filter |
-
2015
- 2015-06-15 CN CN201520412061.9U patent/CN204699588U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106268336A (en) * | 2016-08-31 | 2017-01-04 | 成都美富特膜科技有限公司 | MBR membrane module and MBR membrane component |
| CN108144421A (en) * | 2018-02-08 | 2018-06-12 | 江苏优耐特过滤装备有限公司 | Dry gas filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 |