CN110921778A - Immersed ultrafiltration membrane core pressure container - Google Patents
Immersed ultrafiltration membrane core pressure container Download PDFInfo
- Publication number
- CN110921778A CN110921778A CN201911113462.3A CN201911113462A CN110921778A CN 110921778 A CN110921778 A CN 110921778A CN 201911113462 A CN201911113462 A CN 201911113462A CN 110921778 A CN110921778 A CN 110921778A
- Authority
- CN
- China
- Prior art keywords
- ultrafiltration membrane
- hollow fiber
- filter cylinder
- fiber ultrafiltration
- pressure container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000012528 membrane Substances 0.000 title claims abstract description 55
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 44
- 239000012510 hollow fiber Substances 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 239000003822 epoxy resin Substances 0.000 claims abstract description 10
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 10
- 238000009826 distribution Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000004806 packaging method and process Methods 0.000 claims description 9
- 238000005374 membrane filtration Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses an immersed ultrafiltration membrane core pressure container. The hollow fiber ultrafiltration membrane filter element comprises a hollow fiber ultrafiltration membrane wire, a net pipe, an end head, an encapsulating epoxy resin material and a sealing ring, wherein the hollow fiber ultrafiltration membrane core is arranged in a pressure container and is sealed with the pressure container through the sealing ring of the hollow fiber ultrafiltration membrane filter element, and a sealing and fixing structure, a water production pipeline, a water inlet pipeline, an upper discharge pipeline, a lower discharge pipeline, an exhaust system and an air distribution system are arranged in a main body of the pressure container. The invention does not need a civil structure as a membrane pool, the immersed hollow fiber ultrafiltration membrane core takes a designed pressure vessel as the membrane pool, and a centrifugal pump is needed to provide driving pressure and act in the pressure vessel to finish the process of membrane filtration.
Description
Technical Field
The invention relates to the technical field of continuous membrane filtration, in particular to an immersed ultrafiltration membrane core pressure container.
Background
The membrane filtration methods commonly used at present in the fields of municipal water supply, industrial water, seawater desalination, small-scale purification and drinking of surface water, underground water and the like all adopt an immersed membrane filtration technology, the operation mode of the immersed membrane filtration technology needs to be provided with a civil structure as a membrane pool for carrying out a filtration and separation process, meanwhile, the immersed membrane filtration technology generally adopts a negative pressure suction mode for filtration, the maximum transmembrane pressure difference in practical application can only reach 0.08MPa, the maximum transmembrane pressure difference cannot bear 0.3MPa, and the high-pressure high-flux operation cannot be realized.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provides an immersed ultrafiltration membrane core and a pressure container device thereof.
The immersed ultrafiltration membrane core pressure vessel is realized by the following technical scheme that the hollow fiber ultrafiltration membrane core comprises hollow fiber ultrafiltration membrane filaments, net pipes, end heads, packaging epoxy resin materials and sealing rings, wherein one or more net pipes are butted and bonded along the axial direction; the end heads are respectively bonded with the net pipes along the axial direction, and two end heads are respectively bonded at two ends of the net pipes, which are integrally called as shells; the hollow fiber ultrafiltration membrane wire is axially arranged in the bonded shell, and the two ends of the membrane wire are respectively cast and bonded by using packaging epoxy resin; sleeving a sealing ring on a water production end of the immersed ultrafiltration membrane core which is cured by the packaging epoxy resin; the hollow fiber ultrafiltration membrane core is arranged in a pressure container and is sealed with the pressure container through a sealing ring of the hollow fiber ultrafiltration membrane core, the main body of the pressure container consists of a filter cylinder, a detachable upper cover and a support mechanism, a sealing and fixing structure with the hollow fiber ultrafiltration membrane core, a water production pipeline, a water inlet pipeline, an upper row of pipelines, a lower row of pipelines, an exhaust system and an air distribution system are arranged inside the main body of the pressure container, the filter cylinder is used as the main body of the pressure container, the support mechanism is arranged at the bottom and is used for supporting and fixing the pressure container, the detachable upper cover is arranged at the upper end, the sealing ring is arranged between the filter cylinder and the detachable upper cover to ensure the airtightness in the container, the filter cylinder and the detachable upper cover are connected and fixed through bolts and nuts, the water inlet; the bottom of the filter cylinder is provided with a lower row of pipelines which are communicated with the inside of the filter cylinder; an upper row of pipelines are arranged at the position close to the upper end of the side part of the filter cylinder; a water production pipeline is arranged at the position close to the upper end of the side part of the filter cylinder and is guided by a pipeline in the filter core; the lower part of the filter cylinder is provided with an air distribution system, the top of the detachable upper cover is provided with an exhaust system, and the positive flushing link of the whole device in the operation process needs to discharge the air in the container. The immersed hollow fiber ultrafiltration membrane filter element is arranged in a hole on the sealing surface of the filter cylinder, and the filter element is sealed and fixed by using a sealing ring and a fixing mechanism on the immersed hollow fiber ultrafiltration membrane filter element.
The filter elements are detachably connected, and the pressure container can be provided with a plurality of filter elements, so that the hollow fiber ultrafiltration membrane filter elements can be cleaned, maintained, repaired, subjected to fault treatment and replaced. The immersed membrane filter elements calculate the membrane area to carry out the design of different diameters and different heights according to the water production flux requirement, and the pressure container calculates the number of the immersed membrane filter elements according to the water production flux requirement.
Compared with the prior art, the invention has the beneficial effects that:
the invention does not need a civil structure as a membrane pool, the immersed hollow fiber ultrafiltration membrane core takes a designed pressure vessel as the membrane pool, and a centrifugal pump is needed to provide driving pressure and act in the pressure vessel to finish the process of membrane filtration. In some fields where surface water and ground water are used as water sources, the filtration process can be performed using a transfer pump and a deep submersible pump as driving pressure of a membrane filtration system.
Drawings
FIG. 1 is a schematic diagram of a hollow fiber ultrafiltration membrane cartridge according to the present invention;
FIG. 2 is a schematic structural diagram of a hollow fiber ultrafiltration membrane filter element pressure vessel in the invention;
FIG. 3 is a sectional view of the structure of the hollow fiber ultrafiltration membrane filter core pressure vessel.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, the hollow fiber ultrafiltration membrane filter element comprises a hollow fiber ultrafiltration membrane filament 1, a mesh tube 2, an end 3, a packaging epoxy resin material and a sealing ring 4, wherein one or more mesh tubes are butted and bonded along the axial direction; the end heads are respectively bonded with the net pipes along the axial direction, and two end heads are respectively bonded at two ends of the net pipes, which are integrally called as shells; the hollow fiber ultrafiltration membrane wire is axially arranged in the bonded shell, and the two ends of the membrane wire are respectively cast and bonded by using packaging epoxy resin; sleeving a sealing ring on a water production end of the immersed ultrafiltration membrane core which is cured by the packaging epoxy resin; the hollow fiber ultrafiltration membrane core 13 is arranged in a pressure vessel and sealed with the pressure vessel through a sealing ring of the hollow fiber ultrafiltration membrane core, the main body of the pressure vessel consists of a filter cylinder 5, a detachable upper cover 6 and a supporting mechanism 7, a structure for sealing and fixing the hollow fiber ultrafiltration membrane core, a water production pipeline, a water inlet pipeline 8, an upper discharge pipeline 9, a lower discharge pipeline 10, an exhaust system 11 and an air distribution system 12 are arranged in the main body of the pressure vessel, the filter cylinder is used as the main body of the pressure vessel, the bottom of the filter cylinder is provided with the supporting mechanism, used for supporting and fixing the pressure vessel, the upper end of the pressure vessel is provided with a detachable upper cover, a sealing ring is arranged between the filter cylinder and the detachable upper cover to ensure the sealing property in the vessel, the filter cylinder and the detachable upper cover are connected and fixed through bolts and nuts, when the immersed hollow fiber ultrafiltration membrane filter element is mounted or dismounted, the mounting or dismounting can be finished only by opening the fixed bolt and nut. The bottom of the filter cylinder is provided with a water inlet pipeline which is communicated with the interior of the filter cylinder and can directly guide stock solution into the filter cylinder; the bottom of the filter cylinder is provided with a lower row of pipelines which are communicated with the interior of the filter cylinder and can directly guide the discharged liquid to the outside of the filter cylinder, and the water inlet pipeline and the lower row of pipelines are respectively switched in working states through externally arranged valves; an upper discharge pipeline is arranged at the position close to the upper end of the side part of the filter cylinder and is used for the backflow of concentrated solution and the exhaust function in the cleaning process; a water production pipeline is arranged at the position close to the upper end of the side part of the filter cylinder and used for discharging and conveying the filtrate, the water production pipeline is guided by a pipeline inside the filter element and forms a closed space with the sealing surface of the filter cylinder, the detachable upper cover and the filter element for collecting and discharging the filtrate; the lower part of the filter cylinder is provided with an air distribution system which provides an air source for air washing of the immersed hollow fiber ultrafiltration membrane filter core through a pipeline arranged inside the filter cylinder; the top of the detachable upper cover is provided with an exhaust system, and the gas in the container needs to be discharged in the positive flushing link of the whole device in the operation process. The immersed hollow fiber ultrafiltration membrane filter element is arranged in a hole on the sealing surface of the filter cylinder, and the filter element is sealed and fixed by using a sealing ring and a fixing mechanism on the immersed hollow fiber ultrafiltration membrane filter element.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (1)
1. An immersed ultrafiltration membrane core pressure vessel is characterized in that a hollow fiber ultrafiltration membrane core comprises hollow fiber ultrafiltration membrane filaments, net pipes, end heads, packaging epoxy resin materials and sealing rings, wherein one or more net pipes are butted and bonded along the axial direction; the end heads are respectively bonded with the net pipes along the axial direction, and two end heads are respectively bonded at two ends of the net pipes, which are integrally called as shells; the hollow fiber ultrafiltration membrane wire is axially arranged in the bonded shell, and the two ends of the membrane wire are respectively cast and bonded by using packaging epoxy resin; sleeving a sealing ring on a water production end of the immersed ultrafiltration membrane core which is cured by the packaging epoxy resin; the hollow fiber ultrafiltration membrane core is arranged in a pressure container and is sealed with the pressure container through a sealing ring of the hollow fiber ultrafiltration membrane core, the main body of the pressure container consists of a filter cylinder, a detachable upper cover and a support mechanism, a sealing and fixing structure with the hollow fiber ultrafiltration membrane core, a water production pipeline, a water inlet pipeline, an upper row of pipelines, a lower row of pipelines, an exhaust system and an air distribution system are arranged inside the main body of the pressure container, the filter cylinder is used as the main body of the pressure container, the support mechanism is arranged at the bottom and is used for supporting and fixing the pressure container, the detachable upper cover is arranged at the upper end of the filter cylinder, the sealing ring is arranged between the filter cylinder and the detachable upper cover, the filter cylinder and the detachable upper cover are connected and fixed through bolts and nuts, the; the bottom of the filter cylinder is provided with a lower row of pipelines which are communicated with the inside of the filter cylinder; an upper row of pipelines are arranged at the position close to the upper end of the side part of the filter cylinder; a water production pipeline is arranged at the position close to the upper end of the side part of the filter cylinder and is guided by a pipeline in the filter core; the lower part of the filter cylinder is provided with an air distribution system, and the top of the detachable upper cover is provided with an exhaust system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911113462.3A CN110921778A (en) | 2019-11-14 | 2019-11-14 | Immersed ultrafiltration membrane core pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911113462.3A CN110921778A (en) | 2019-11-14 | 2019-11-14 | Immersed ultrafiltration membrane core pressure container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110921778A true CN110921778A (en) | 2020-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911113462.3A Pending CN110921778A (en) | 2019-11-14 | 2019-11-14 | Immersed ultrafiltration membrane core pressure container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110921778A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600021A (en) * | 2021-10-09 | 2021-11-05 | 迈博瑞生物膜技术（南通）有限公司 | Hollow fiber ultrafiltration membrane separation device |
| CN114275845A (en) * | 2021-11-25 | 2022-04-05 | 上海市政工程设计研究总院（集团）有限公司 | A membrane filter equipment for municipal administration feedwater treatment field |
| CN114272759A (en) * | 2021-11-25 | 2022-04-05 | 上海市政工程设计研究总院（集团）有限公司 | Upper drainage immersed membrane device and flushing control method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208553785U (en) * | 2018-06-25 | 2019-03-01 | 湖州欧美新材料有限公司 | A kind of hollow-fibre membrane core and its component |
| CN211570181U (en) * | 2019-11-14 | 2020-09-25 | 天津膜天膜科技股份有限公司 | Immersed ultrafiltration membrane core pressure container |
-
2019
- 2019-11-14 CN CN201911113462.3A patent/CN110921778A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208553785U (en) * | 2018-06-25 | 2019-03-01 | 湖州欧美新材料有限公司 | A kind of hollow-fibre membrane core and its component |
| CN211570181U (en) * | 2019-11-14 | 2020-09-25 | 天津膜天膜科技股份有限公司 | Immersed ultrafiltration membrane core pressure container |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600021A (en) * | 2021-10-09 | 2021-11-05 | 迈博瑞生物膜技术（南通）有限公司 | Hollow fiber ultrafiltration membrane separation device |
| CN114275845A (en) * | 2021-11-25 | 2022-04-05 | 上海市政工程设计研究总院（集团）有限公司 | A membrane filter equipment for municipal administration feedwater treatment field |
| CN114272759A (en) * | 2021-11-25 | 2022-04-05 | 上海市政工程设计研究总院（集团）有限公司 | Upper drainage immersed membrane device and flushing control method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No.60, 11th Street, Binhai New Area Development Zone, Tianjin 300457 Applicant after: Tianjin Motimo Membrane Technology Co.,Ltd. Address before: 300457 No.60, 11th Street, development zone, Xiqing District, Tianjin Applicant before: Tianjin Motimo Membrane Technology Co.,Ltd. |