CN210340420U - Ultrafiltration membrane filtering component - Google Patents
Ultrafiltration membrane filtering component Download PDFInfo
- Publication number
- CN210340420U CN210340420U CN201920379150.6U CN201920379150U CN210340420U CN 210340420 U CN210340420 U CN 210340420U CN 201920379150 U CN201920379150 U CN 201920379150U CN 210340420 U CN210340420 U CN 210340420U
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- CN
- China
- Prior art keywords
- ultrafiltration membrane
- cover plate
- mandrel
- sealing ring
- upper cover
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- Expired - Fee Related
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Abstract
The utility model relates to an milipore filter filtering component especially relates to the milipore filter filtering component in sewage treatment field. Aiming at the characteristics of low filtration efficiency, easy blockage and frequent back washing of the existing membrane filtration component, the ultrafiltration membrane component with high filtration efficiency is provided. The ultrafiltration membrane component comprises a shell, a cover plate component, a mandrel, a flat plate type ultrafiltration membrane and a flow guide sealing ring, wherein the cover plate component comprises an upper cover plate component and a lower cover plate component, the upper cover plate component and the lower cover plate component are fixed at the upper end and the lower end of the mandrel and are connected with the ultrafiltration membrane shell into a whole. The flat-plate ultrafiltration membranes and the diversion sealing rings are sequentially sleeved on the mandrel at intervals, one flat-plate ultrafiltration membrane is placed between every two diversion sealing rings to form a filtering structure, and the filtering structure is compacted between the upper cover plate and the lower cover plate. The utility model discloses an increase the water conservancy diversion sealing washer, change the rivers mode in the membrane shell, it is higher to make the filter efficiency that the milipore filter is applied to the sewage field, is difficult for blockking up, and the management is more simple and convenient.
Description
Technical Field
The invention relates to an ultrafiltration membrane filtering component, in particular to an ultrafiltration membrane treatment process in the field of sewage treatment.
Background
In recent years, with the development of social economy, the living standard of people is continuously improved, the discharge amount of sewage is increased, and the requirements on the quality and the treatment amount of the sewage are improved. Due to the efficient interception efficiency of the ultrafiltration membrane technology on pollutants such as particles, colloid and the like and the advantage of small occupied area, the ultrafiltration membrane technology is gradually applied to the field of sewage treatment instead of sand filtration and other processes. However, because the traditional ultrafiltration membrane filtration mode is a direct suction filtration or pressure filtration mode, pollutants are directly accumulated on the surface of the membrane, the membrane is easily blocked, the backwashing frequency of the ultrafiltration membrane is increased, and the maintenance cost is increased.
Disclosure of Invention
The utility model aims to solve the technical problem that to the defect that prior art exists, provide a high efficiency, energy-conservation, difficult jam, area is little milipore filter filtering component.
An ultrafiltration membrane filtering component comprises a mandrel 2, a diversion sealing ring 5, a flat plate type ultrafiltration membrane 6, an upper cover plate 3 and a lower bottom plate 4; the diversion sealing rings 5 and the flat ultrafiltration membrane components 6 are alternately sleeved on the mandrel 2, and the first layer and the last layer are the diversion sealing rings 5; the flat plate type ultrafiltration membrane component 6 consists of 2 ultrafiltration membranes and a support material, wherein the upper surface and the lower surface of the flat plate type ultrafiltration membrane component are provided with the ultrafiltration membranes, the periphery of the ultrafiltration membranes is sealed, and the interior of the ultrafiltration membranes is hollow; a plurality of parallel draft tubes 503 are arranged in the diversion sealing ring 5; the mandrel 2 is of a cylindrical structure, is hollow inside, is uniformly provided with water collecting holes 201 on the surface, and penetrates through the upper cover plate and the lower cover plate; the upper cover plate 3 is provided with a water inlet 303; the lower plate 4 has a concentrate outlet 403.
The mandrel 2 is communicated with a cavity of the flat plate type ultrafiltration membrane 6 through a water collecting hole 201; the diversion sealing ring 5 and the mandrel 2 are not exchanged with water.
The water inlet 303 of the upper cover plate 3 corresponds to a plurality of flow guide pipes in the flow guide sealing ring 5 one by one.
The size of the diversion sealing ring 5 is equal to that of the upper cover plate and the lower cover plate, and the length of the flat plate type ultrafiltration membrane 6 is smaller than that of the diversion sealing ring 5.
Wherein, the tail end of the flat plate type ultrafiltration membrane 6 is provided with a raw water through hole which is connected with a diversion pipe of the diversion sealing ring 5, and two adjacent raw water through holes are arranged at two opposite ends of the diversion sealing ring 5.
The outlet of the upper cover plate of the mandrel 2 is a purified water outlet 202, and the outlet of the lower cover plate is a mandrel air inlet 204.
Wherein, the upper cover plate 301 is fixed on the upper part of the mandrel 2 through a bolt fastening structure 302 and then fixed on the upper top surface of the shell 1 through a fixing device; the lower cover plate 401 is fixed to the lower portion of the mandrel 2 by a bolt fastening structure 402 and then fixed to the lower bottom surface of the casing 1 by a fixing means.
The utility model discloses an milipore filter filtering component, the filtration mode is:
the raw water is pressurized by a pressure pump, is uniformly distributed through water distribution holes of a water distribution plate of an upper cover plate 3 and then flows into a position between a flow guide sealing ring 5 and a flat ultrafiltration membrane 6, and flows along the direction of a flow guide pipe; raw water is filtered into the inner cavity of the flat-plate ultrafiltration membrane through a small-pressure cross flow filter to become purified water, and then enters the core shaft 2 through the water collecting hole 201, and purified water is obtained at the purified water collecting port 202.
The utility model provides an ultrafiltration membrane component adopts gas, water to unite back flush. When the ultrafiltration membrane runs for a certain time, the purified water outlet pipe 202 is closed, air is introduced through the air pipe 204 on the mandrel 2 and then reversely enters the flat plate type ultrafiltration membrane 6 through the water collecting hole 201; meanwhile, the flow of the raw water inlet 303 is increased, pollutants on the surface of the membrane are washed away, and sewage is discharged through the concentrated water outlet 403.
The aperture of the ultrafiltration membrane is small, the traditional dead-end filtration is used, the ultrafiltration membrane is easily blocked by pollutants and is frequently cleaned, the service life of the ultrafiltration membrane is seriously influenced, the cross-flow ultrafiltration is used, raw water passes through the surface of the ultrafiltration membrane in a cross-flow manner, and the length of the filtration membrane is required to be long due to the defect of the cross-flow filtration, so that the occupied area is large, and once one part is damaged, the whole membrane can be scrapped; and the pollution condition of different lengths of the filtering membrane is inconsistent, in order to accelerate the filtering and prevent the pollutant from depositing and reduce the cleaning times, high-pressure water inlet is needed, but the production cost is increased, and the unit yield of purified water is reduced.
The utility model greatly reduces the floor area of the cross flow ultrafiltration by the folding structure under the condition of ensuring the membrane length required by the cross flow ultrafiltration; meanwhile, the water intake is arranged at the upper end, after the purified water is formed, the purified water is gathered in the mandrel 2, the purified water is gradually accumulated and is stored in the inner cavity of the flat plate type ultrafiltration membrane 6, the hydrostatic pressure is applied to the ultrafiltration membrane, and pollutants are not easy to deposit on the surface of the ultrafiltration membrane, so that the pressure required by raw water is reduced, the pressure is small, the flow rate of the raw water is reduced, and the unit yield of the purified water is increased. The utility model discloses a flat milipore filter 6 is drawer type, and the pollution of the different length departments of cross-flow ultrafiltration only needs to be taken out dabber 2, then can carry out the flat milipore filter 6 replacement of high low layer, perhaps directly more renew the subassembly can, also very big has made things convenient for the milipore filter subassembly that the later stage maintenance has destroyed.
The utility model discloses the advantage:
(1) energy is saved, and the pressure required by raw water is reduced;
(2) the occupied area is small;
(3) convenient cleaning and maintenance.
Drawings
FIG. 1 is a schematic structural diagram of an ultrafiltration membrane filtration module;
FIG. 2 is an exploded perspective view of the filter structure and a schematic view of the direction of water flow;
FIG. 3 is a schematic plan view of a filtering structure composed of 3 diversion sealing rings and 2 flat plate type ultrafiltration membranes and a schematic water flow direction;
FIG. 4 is a perspective view of a deflector seal ring;
FIG. 5 is a schematic structural view of the mandrel;
in the figure: 2, a mandrel, 201 a water collecting core hole, 202 a purified water outlet, 203 a mandrel cavity and 204 a mandrel air inlet; 3 is an upper cover plate, 303 is a water inlet, 305 is a water replenishing pipe; 1 is a shell, and 101 is a raw water through hole; 5 is a flow guide sealing ring, 503 is a flow guide pipe, 502 is a central sealing ring, and 501 is a peripheral sealing strip; 6, a flat plate type ultrafiltration membrane 601 is an eccentric hole; 4 is a lower cover plate, and 403 is a concentrated water outlet.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Raw water is pressurized by a pressure pump, enters the interior of the ultrafiltration equipment through a water inlet 303, is uniformly distributed through water distribution holes 305 on an upper water distribution plate 304, enters a filtration space formed by 2 diversion sealing rings 5 and 1 flat-plate type ultrafiltration membrane 6, flows from one side of the flat-plate type ultrafiltration membrane 6 to the other side along diversion strips 503 on the diversion sealing rings 5, then enters the filtration space formed by the next diversion sealing ring and the flat-plate type ultrafiltration membrane through raw water through holes 101, flows to the opposite raw water through holes 101 along the diversion strips 503 by the raw water through holes 101 on the side, and circulates in a reciprocating way to form a baffling type raw water overflowing channel. In the whole filtering structure, a filtering space formed by two adjacent groups of flow guide sealing rings and the flat ultrafiltration membrane shares one flow guide sealing ring. Due to hydrostatic pressure, raw water enters an inner space formed by two ultrafiltration membranes of the flat ultrafiltration membrane 6 through the ultrafiltration membranes, then is collected to the eccentric hole 601 from the periphery, purified water generated by n flat ultrafiltration membranes 6 in the ultrafiltration module is collected to a pore channel formed by the central sealing ring 502 and the eccentric hole 601, then is collected to the water collecting pipe 203 through the water collecting holes 201 distributed on the mandrel 2, and finally is discharged through the water outlet pipe 202. After the raw water is subjected to n times of reciprocating baffling in the ultrafiltration module, pollutants accumulated on the surface of the ultrafiltration membrane are washed down, flow out of the water distribution holes 405 of the lower water distribution plate 404 along with the concentrated water, and then are discharged out of the ultrafiltration equipment through the water outlet 403.
When the ultrafiltration membrane runs for a certain time, the purified water outlet pipe 202 is closed, air enters the water collecting pipe 203 through the air pipe 204 on the mandrel 2, and then reversely enters the flat plate type ultrafiltration membrane 6 through the water collecting hole 201; meanwhile, the flow of the raw water inlet 303 is increased, pollutants on the surface of the membrane are washed away, and the pollutants are discharged from the ultrafiltration equipment through the raw water outlet 403.
Claims (7)
1. The ultrafiltration membrane filtering component is characterized in that: comprises a mandrel (2), a diversion sealing ring (5), a flat plate type ultrafiltration membrane (6), an upper cover plate (3) and a lower bottom plate (4); the diversion sealing rings (5) and the flat ultrafiltration membranes (6) are alternately sleeved on the mandrel (2), and the first layer and the last layer are the diversion sealing rings (5); the flat plate type ultrafiltration membrane (6) consists of 2 ultrafiltration membranes and a support material, wherein the upper surface and the lower surface of the flat plate type ultrafiltration membrane are the ultrafiltration membranes, the periphery of the flat plate type ultrafiltration membrane is sealed, and the interior of the flat plate type ultrafiltration membrane is hollow; a plurality of parallel draft tubes (503) are arranged in the diversion sealing ring (5); the mandrel (2) is of a cylindrical structure, is hollow inside, is uniformly provided with water collecting holes (201) on the surface, and penetrates through the upper cover plate and the lower cover plate; a water inlet (303) is arranged on the upper cover plate (3); the lower bottom plate (4) is provided with a concentrated water outlet (403).
2. The ultrafiltration membrane filtration module according to claim 1, wherein the mandrel (2) is communicated with the cavity of the flat plate type ultrafiltration membrane (6) through a water collecting hole (201); the diversion sealing ring (5) and the mandrel (2) have no water exchange.
3. The ultrafiltration membrane filter assembly of claim 1, wherein the water inlet (303) of the upper cover plate (3) is in one-to-one correspondence with a plurality of flow guide pipes in the flow guide sealing ring (5).
4. The ultrafiltration membrane filtration module of claim 1, wherein the size of the diversion sealing ring (5) is equal to that of the upper cover plate and the lower cover plate, and the length of the flat plate type ultrafiltration membrane (6) is smaller than that of the diversion sealing ring (5).
5. The ultrafiltration membrane filter assembly of claim 4, wherein the flat plate type ultrafiltration membrane (6) is provided with raw water through holes at the tail end, the raw water through holes are connected with the guide pipe of the guide sealing ring (5), and two adjacent raw water through holes are arranged at two opposite ends of the guide sealing ring (5).
6. The ultrafiltration membrane filter assembly of claim 1, wherein the mandrel (2) has a mandrel outlet at the upper cover plate which is a clean water outlet (202) and a mandrel outlet at the lower cover plate which is a mandrel inlet (204).
7. The ultrafiltration membrane filtration module according to claim 1, wherein the upper cover plate (3) is fixed to the upper portion of the mandrel (2) by a bolt fastening structure and then fixed to the upper top surface of the housing (1) by a fixing means; the lower cover plate (401) is fixed to the lower part of the mandrel (2) through a bolt fastening structure and then fixed to the lower bottom surface of the housing (1) through a fixing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920379150.6U CN210340420U (en) | 2019-03-25 | 2019-03-25 | Ultrafiltration membrane filtering component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920379150.6U CN210340420U (en) | 2019-03-25 | 2019-03-25 | Ultrafiltration membrane filtering component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210340420U true CN210340420U (en) | 2020-04-17 |
Family
ID=70172340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920379150.6U Expired - Fee Related CN210340420U (en) | 2019-03-25 | 2019-03-25 | Ultrafiltration membrane filtering component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210340420U (en) |
-
2019
- 2019-03-25 CN CN201920379150.6U patent/CN210340420U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 Termination date: 20210325 |
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| CF01 | Termination of patent right due to non-payment of annual fee |