CN112619425A - Multi-center-tube hollow fiber membrane module - Google Patents
Multi-center-tube hollow fiber membrane module Download PDFInfo
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- CN112619425A CN112619425A CN202011503935.3A CN202011503935A CN112619425A CN 112619425 A CN112619425 A CN 112619425A CN 202011503935 A CN202011503935 A CN 202011503935A CN 112619425 A CN112619425 A CN 112619425A
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- China
- Prior art keywords
- tube
- sleeve
- center
- hollow fiber
- fiber membrane
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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
- B01D63/02—Hollow fibre modules
- B01D63/04—Hollow fibre modules comprising multiple hollow fibre assemblies
-
- 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
Abstract
The invention provides a multi-center-tube hollow fiber membrane module which comprises a cylinder shell with openings at two ends, an end sleeve, an end cover, sealing adhesive layers, membrane wires, a center tube and a connecting end, wherein the end sleeve is hermetically sleeved on the outer sides of the two ends of the cylinder shell, the end cover covers one end of the end sleeve, which is far away from the cylinder shell, the sealing adhesive layers are arranged in each end sleeve, the edge of each sealing adhesive layer is tightly sealed with the inner surface of the end sleeve, the two sealing adhesive layers are connected through a plurality of membrane wires, the membrane wires are communicated with the inner sides of the end covers at the two ends, the two sealing adhesive layers are also connected through a plurality of center tubes, the center tube is communicated with the inner sides of the end covers at the two ends, the opening of the center tube in the end cover at the same side. The invention effectively performs dispersion treatment on the sewage by arranging the central pipes and effectively improves the utilization rate of membrane filaments in the fiber membrane component.
Description
Technical Field
The invention relates to the technical field of water treatment equipment, in particular to a multi-central-tube hollow fiber membrane module.
Background
In the aspect of water distribution design of the hollow fiber membrane module, two water distribution modes are mainly adopted, one mode is central tube water distribution, the other mode is side interface water distribution, the central tube water distribution is that a central tube is arranged in the center of the membrane module, a plurality of holes are uniformly arranged on the surface of the central tube, water enters the central tube and diffuses all around, and then contacts with membrane filaments on the periphery of the central tube for filtration, although the water distribution of the central tube is more uniform compared with the water distribution of the side interface, the closer to the central tube, the easier the membrane filaments contact the inlet water, so that the inlet water can be treated preferentially, the membrane filaments in the membrane component are densely arranged, the resistance brought by the membrane filaments needs to be overcome when the inlet water is spread to a farther place, this results in that the membrane filaments further away from the central tube are difficult to treat the influent water, and the membrane filaments at different locations in the membrane module are not equally burdened, resulting in poor treatment.
Disclosure of Invention
In view of the above, the present invention provides a multi-center tubular hollow fiber membrane module, which can distribute the inlet water more uniformly in the membrane module and make the membrane filament processing load of each part closer.
The technical scheme of the invention is realized as follows: the invention provides a multi-center-tube hollow fiber membrane module which comprises a cylinder shell with openings at two ends, an end sleeve, an end cover, sealing adhesive layers, membrane wires, a center tube and a connecting end, wherein the end sleeve is hermetically sleeved on the outer sides of the two ends of the cylinder shell, the end cover covers one end of the end sleeve, which is far away from the cylinder shell, the sealing adhesive layers are arranged in each end sleeve, the edge of each sealing adhesive layer is tightly sealed with the inner surface of the end sleeve, the two sealing adhesive layers are connected through a plurality of membrane wires, the membrane wires are communicated with the inner sides of the end covers at the two ends, the two sealing adhesive layers are also connected through a plurality of center tubes, the center tube is communicated with the inner sides of the end covers at the two ends, the opening of the center tube in the end cover at the same side.
On the basis of the technical scheme, preferred, still include the center tube support frame, the center tube support frame includes solid fixed ring, a plurality of pipe casings and connection piece, and connection piece fixed connection is inboard at solid fixed ring, a plurality of pipe casings fixed mounting on the connection piece, gu the coaxial embedding of fixed ring is in the tip sleeve, and the both ends of center tube are embedded in the pipe casings of two center tube supports respectively, and the one end that the center tube was kept away from to the pipe casing is through connecting end and end cover outside intercommunication.
On the basis of the technical scheme, preferably, the pipe sleeves comprise a central pipe sleeve and edge pipe sleeves, the central pipe sleeve is coaxially arranged at the circle center of the fixing ring, the edge pipe sleeves are circumferentially arrayed around the central pipe sleeve, the central pipe sleeve and the edge pipe sleeves are fixedly connected through connecting pieces, the edge pipe sleeves are fixedly connected with the fixing ring through the connecting pieces, and a fan-shaped closed area is formed by enclosing two adjacent edge pipe sleeves and the central pipe sleeve.
On the basis of the technical scheme, preferably, a sealing adhesive layer is embedded and installed in each sector-shaped closed area.
Further preferably, the connection end includes the main pipe body and connection return bend, and the main pipe body is the straight tube structure that link up, and the one end embedding of the main pipe body is in the center tube sleeve, and the other end of the main pipe body runs through the end cover, and connection return bend is the right angle tubular structure that links up, a plurality of through-holes have been seted up to the side circumference array of the main pipe body, and the one end opening embedding of connection return bend is in the through-hole, and connection return bend's the other end hinders mouthful embedding in marginal tube sleeve.
On the basis of the technical scheme, preferably, the clamping protrusions are circumferentially arranged at one end, embedded into the edge pipe sleeve, of the connecting bent pipe and abut against the end part of the edge pipe sleeve.
On the basis of the above technical scheme, preferably, the inner side of the end sleeve is circumferentially provided with a supporting protrusion, and the end of the fixing ring is supported on one side of the supporting protrusion, which is far away from the shell of the cylinder body.
On the basis of the technical scheme, preferably, the abutting protrusion is provided with a positioning notch, the end part of the fixing ring is provided with a positioning protrusion, and the positioning protrusion is matched with the positioning notch.
Compared with the prior art, the multi-central-tube hollow fiber membrane component has the following beneficial effects:
(1) the multi-central-tube hollow fiber membrane module adopts the design of the central tubes, so that sewage can be more uniformly distributed among the membrane filaments after entering water, compared with the conventional central tube arranged in the middle, the multi-central-tube hollow fiber membrane module is more uniformly distributed, the treatment pressure of each membrane filament is relatively close, the maximum utilization rate of the membrane filaments is realized, the membrane filament treatment pressure close to the central tube is prevented from being large, and the membrane filament treatment pressure far away from the central tube is prevented from being small;
(2) the central tube support frame is convenient to disassemble, the sealing adhesive layer is divided into a plurality of mutually independent structures by the central tube support frame, on one hand, the central tube support frame is convenient to assemble and disassemble, and on the other hand, when the membrane wires in a certain independent area are in failure or damaged, only the membrane wires and the sealing adhesive layer in the corresponding area need to be replaced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an isometric view of a multi-center tube hollow fiber membrane module of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a front cross-sectional view of a multi-center tube hollow fiber membrane module of the present invention;
FIG. 4 is an isometric view of a connector end of a multi-center tube hollow fiber membrane module of the present invention;
FIG. 5 is an exploded view of FIG. 4;
FIG. 6 is an exploded view of the sealant layer and the center tube support of the multi-center tube hollow fiber membrane module of the present invention;
FIG. 7 is a top view of an end sleeve of a multi-center tube hollow fiber membrane module of the present invention.
In the figure: 1-cylinder shell, 2-end sleeve, 3-end cover, 4-sealant layer, 5-membrane thread, 6-central tube, 7-connecting end, 8-central tube support, 21-supporting protrusion, 22-positioning notch, 31-liquid outlet, 61-liquid leakage hole, 71-main tube body, 72-connecting bent tube, 73-clamping protrusion, 711-through hole, 81-fixing ring, 82-tube sleeve, 83-connecting sheet, 811-positioning protrusion, 821-central tube sleeve and 822-edge tube sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, with reference to fig. 2-7, the multi-center-tube hollow fiber membrane module of the present invention comprises a cylinder housing 1, an end sleeve 2, an end cap 3, a sealant layer 4, membrane wires 5, a center tube 6, a connecting end 7, and a center tube support frame 8, wherein two ends of the cylinder housing 1 are open, the end sleeve 2 is nested and installed outside the opening, one end of the end sleeve 2 away from the cylinder housing 1 is sealed by the end cap 3, the end cap 3 is provided with a liquid outlet 31, the sealant layer 4 is filled in the end sleeve 2, the sealant layer 4, the end cap 3 and the end sleeve 2 enclose a closed space, the sealant layer 4 is provided with a plurality of membrane wire holes, the ends of the membrane wires 5 penetrate through the membrane wire holes, the membrane wires 5 are arranged inside the cylinder housing 1 along the length direction, the openings at two ends of the membrane wires 5 are respectively communicated with the inner sides, it is provided with a plurality of center tubes 6 to link up on the sealant layer 4, and the opening at 6 both ends of center tube communicates with the inboard of the end cover 3 at both ends each other respectively, and the tip opening of center tube 6 communicates each other and communicates with the outside of end cover 3 through connecting end 7, and is concrete, and 8 fastening installations of center tube support frame are in the inside of tip sleeve 2, and 8 centre tube support frames carry out the centre gripping to center tube 6 fixed.
In the embodiment above, 2 are no less than to the quantity of center tube 6, and 6 arrays of a plurality of center tubes are arranged in barrel shell 1, and sewage gets into a plurality of center tubes 6 through connecting end 7 in to the realization carries out evenly distributed to sewage, realizes better treatment.
Sewage intakes and directly gets into each center tube 6 through connecting end 7, the surface array of center tube 6 is provided with a plurality of weeping holes 61, sewage discharges into the enclosure space of constituteing by two sealant layers 4 and barrel shell 1 through weeping holes 61, membrane silk 5 handles sewage, the purified water after the processing is discharged to end cover 3, in the enclosure space of sealant layer 4 and tip sleeve 2 constitution through the opening of membrane silk 5 tip to finally discharge by liquid outlet 31, and the concentrated sewage after the purification then discharges to another connecting end 7 through center tube 6, and finally discharge the membrane module.
The end sleeve 2 is a reducing cylindrical barrel structure, the inner diameter of one end of the end sleeve is slightly smaller than the outer diameter of the barrel shell 1, so that the end sleeve is in interference fit with the barrel shell 1, the abutting protrusions 21 are circumferentially arranged inside the end sleeve 2, and the central tube support frame 8 is nested in the end sleeve 2 and abuts against one end, far away from the barrel shell 1, of the abutting protrusions 21.
The central tube support frame 8 is arranged in the end sleeve 2 in an embedding and abutting mode, so that the central tube support frame 8 is convenient to disassemble.
Specifically, the central tube support frame 8 further includes a fixing ring 81, a tube sleeve 82, and a connecting piece 83, wherein the fixing ring 81 is annular, the peripheral diameter of the fixing ring is the same as the diameter of the outer ring of the abutting protrusion 21, the connecting piece 83 divides the fixing ring 81 into a plurality of fan-shaped areas, and the corresponding connecting piece 83 is fixedly provided with the tube sleeves 82.
The fixing ring 81 is embedded in the end sleeve 2 and its end abuts against the end of the abutment projection 21, and the sleeve 82 is used to connect the two ends of the central tube 6.
The pipeline 82 comprises a central pipe sleeve 821 and an edge pipe sleeve 822, wherein the central pipe sleeve 821 is arranged at the position of the circle center of the fixing ring 81, the edge pipe sleeves 822 are arranged around the central pipe sleeve 821 in a circumferential array mode, the central pipe sleeve 821 is fixedly connected with the surrounding edge pipe sleeves 822 through connecting pieces 83 respectively, the edge pipe sleeves 822 are fixedly connected with the fixing ring 81 through connecting pieces 83, and adjacent two edge pipe sleeves 822, the central pipe sleeve 821 and the connecting pieces 83 which are connected with one another form a fan-shaped area.
In the embodiment, the sealant layer 4 is also shaped like a sector, and each of two adjacent edge sleeves 822, the central sleeve 821 and the connecting piece 83 connected with each other form a sector area in which the sealant layer 4 is embedded and installed.
In the above embodiment, the fan-shaped sealant layer 4 and the corresponding membrane wires 5 form an individual membrane wire assembly, and the ends of the membrane wire assembly are clamped and fixed by the central tube support frame 8, so that each individual membrane wire assembly can be mounted, dismounted and replaced.
In the specific embodiment, the supporting protrusion 21 is provided with a positioning notch 22, the number of the positioning notches 22 is at least one, the end of the fixing ring 81 is provided with a positioning protrusion 811, the position of the positioning protrusion 811 corresponds to the position of the positioning notch 22, and the positioning protrusion 811 and the positioning notch 22 are mutually positioned, so that the relative end sleeve 2 of the fixing ring 81 can be prevented from rotating, the problem of twisting and twisting between the membrane wire assemblies can be avoided, and the central tube 6 can be prevented from being twisted to cause the breakage of the central tube or the gap between the central tube 6 and the tube sleeve 82 at the connecting position.
The connecting end 7 is used for communicating the openings of the central pipes 6, so that water inflow is distributed or water outflow is collected conveniently, the connecting end 7 comprises a main pipe body 71 and a connecting elbow 72, the main pipe body 71 is a pipe body structure with two open ends, one end opening of the main pipe body penetrates through the end cover 3 to be communicated with the outside, the other end opening 71 is connected with the pipe sleeve 82, specifically is connected with a central pipe sleeve 821, a plurality of through holes 711 are formed in the circumferential direction of the main pipe body 71, one end opening of the connecting elbow 72 is connected with the through holes 711, the other end opening is connected with the pipe sleeve 82, and specifically is connected with the edge pipe sleeve 822.
In a specific embodiment, a clamping protrusion 73 is circumferentially arranged at one end of the connecting elbow 72, which is connected with the pipe sleeve 82, the outer diameter of the clamping protrusion 73 is larger than the inner diameter of the pipe sleeve 82, and when the end of the connecting elbow 72 is embedded in the pipe sleeve 82, the clamping protrusion 73 can abut against the end of the pipe sleeve 82 and cooperate with the abutting protrusion 21 to clamp the center pipe support frame 8.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A multi-center-tube hollow fiber membrane module is characterized by comprising a cylinder shell (1) with openings at two ends, an end sleeve (2), an end cover (3), sealing adhesive layers (4), membrane wires (5), a center tube (6) and connecting ends (7), wherein the end sleeve (2) is hermetically sleeved outside the two ends of the cylinder shell (1), the end cover (3) covers one end, far away from the cylinder shell (1), of the end sleeve (2), the sealing adhesive layers (4) are installed in each end sleeve (2), the edges of the sealing adhesive layers (4) are closely sealed with the inner surface of the end sleeve (2), the two sealing adhesive layers (4) are connected through a plurality of membrane wires (5), the membrane wires (5) are communicated with the inner sides of the end covers (3) at the two ends, the two sealing adhesive layers (4) are also connected through a plurality of center tubes (6), the center tube (6) is communicated with the inner sides of the end covers (, the opening of a central tube (6) in the same side end cover (3) is communicated with the outer side of the end cover (3) through a connecting end (7), a liquid outlet (31) is arranged on the side surface of the end cover (3), and a plurality of liquid leakage holes (61) are arranged on the side surface of the central tube (6).
2. The multi-center-tube hollow fiber membrane module according to claim 1, further comprising a center tube support frame (8), wherein the center tube support frame (8) comprises a fixing ring (81), a plurality of tube sleeves (82) and a connecting piece (83), the connecting piece (83) is fixedly connected to the inner side of the fixing ring (81), the plurality of tube sleeves (82) are fixedly installed on the connecting piece (83), the fixing ring (81) is coaxially embedded in the end sleeve (2), two ends of the center tube (6) are respectively embedded in the tube sleeves (82) of the two center tube supports (8), and one end, away from the center tube (6), of the tube sleeve (82) is communicated with the outer side of the end cover (3) through a connecting end (7).
3. The multi-center tube hollow fiber membrane module according to claim 2, wherein the tube sleeves (82) comprise a center tube sleeve (821) and edge tube sleeves (822), the center tube sleeve (821) is coaxially arranged at the center of the circle of the fixing ring (81), the edge tube sleeves (822) are arranged around the center tube sleeve (821) in a circumferential array, the center tube sleeve (821) is fixedly connected with the edge tube sleeves (822) through connecting pieces (83), the edge tube sleeves (822) are fixedly connected with the fixing ring (81) through connecting pieces (83), and a fan-shaped closed area is formed by enclosing two adjacent edge tube sleeves (822) and the center tube sleeve (821).
4. The multi-center tube hollow fiber membrane module according to claim 3, wherein one sealant layer (4) is embedded in each sector-shaped sealing area.
5. The multi-center-tube hollow fiber membrane module according to claim 3, wherein the connection end (7) comprises a main tube body (71) and a connection elbow (72), the main tube body (71) is a through straight tube structure, one end of the main tube body (71) is embedded in the center tube sleeve (821), the other end of the main tube body (71) penetrates through the end cover (3), the connection elbow (72) is a through right-angle tube structure, a plurality of through holes (711) are circumferentially arranged on the side surface of the main tube body (71), one end opening of the connection elbow (72) is embedded in the through holes (711), and the other end opening of the connection elbow (72) is embedded in the edge tube sleeve (822).
6. The multi-center tube hollow fiber membrane module according to claim 5, wherein one end of the connecting bent tube (72) embedded in the edge tube sleeve (822) is circumferentially provided with a clamping protrusion (73), and the clamping protrusion (73) abuts against the end of the edge tube sleeve (822).
7. The multi-center tube hollow fiber membrane module according to claim 2, wherein the end sleeve (2) is provided with a holding protrusion (21) along the circumferential direction inside, and the end of the fixing ring (81) is held against the side of the holding protrusion (21) far away from the cylinder housing (1).
8. The multi-center tube hollow fiber membrane module according to claim 7, wherein the holding projection (21) is provided with a positioning notch (22), the end of the fixing ring (81) is provided with a positioning projection (811), and the positioning projection (811) and the positioning notch (22) are matched with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011503935.3A CN112619425B (en) | 2020-12-18 | 2020-12-18 | Multi-center-tube hollow fiber membrane module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011503935.3A CN112619425B (en) | 2020-12-18 | 2020-12-18 | Multi-center-tube hollow fiber membrane module |
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| CN112619425A true CN112619425A (en) | 2021-04-09 |
| CN112619425B CN112619425B (en) | 2022-12-06 |
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| CN202011503935.3A Active CN112619425B (en) | 2020-12-18 | 2020-12-18 | Multi-center-tube hollow fiber membrane module |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040129637A1 (en) * | 2000-07-07 | 2004-07-08 | Hidayat Husain | Multi-stage filtration and softening module and reduced scaling operation |
| JP2006247506A (en) * | 2005-03-10 | 2006-09-21 | Daicen Membrane Systems Ltd | Hollow fiber membrane module |
| CN2889469Y (en) * | 2006-03-16 | 2007-04-18 | 上海立昇净水设备有限公司 | Hollow fiber membrane assembly with fixing structure |
| CN201333382Y (en) * | 2008-10-31 | 2009-10-28 | 孟广祯 | Collecting and distributing type capillary membrane module |
| US20110036764A1 (en) * | 2009-08-11 | 2011-02-17 | Yen-Liang Lin | Replaceable hollow fiber membrane filter device |
| CN104874292A (en) * | 2015-05-14 | 2015-09-02 | 浙江开创环保科技有限公司 | Anti-pollution and easy-to-wash hollow fiber membrane component and preparation method thereof |
| CN105935553A (en) * | 2016-05-31 | 2016-09-14 | 河海大学 | Multi-tube water distribution hollow filter ultrafilter membrane assembly |
| CN110585927A (en) * | 2019-09-20 | 2019-12-20 | 杭州凯洁膜分离技术有限公司 | High-speed cross-flow anti-fouling tubular structure elastic ultrafiltration membrane and manufacturing process thereof |
-
2020
- 2020-12-18 CN CN202011503935.3A patent/CN112619425B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040129637A1 (en) * | 2000-07-07 | 2004-07-08 | Hidayat Husain | Multi-stage filtration and softening module and reduced scaling operation |
| JP2006247506A (en) * | 2005-03-10 | 2006-09-21 | Daicen Membrane Systems Ltd | Hollow fiber membrane module |
| CN2889469Y (en) * | 2006-03-16 | 2007-04-18 | 上海立昇净水设备有限公司 | Hollow fiber membrane assembly with fixing structure |
| CN201333382Y (en) * | 2008-10-31 | 2009-10-28 | 孟广祯 | Collecting and distributing type capillary membrane module |
| US20110036764A1 (en) * | 2009-08-11 | 2011-02-17 | Yen-Liang Lin | Replaceable hollow fiber membrane filter device |
| CN104874292A (en) * | 2015-05-14 | 2015-09-02 | 浙江开创环保科技有限公司 | Anti-pollution and easy-to-wash hollow fiber membrane component and preparation method thereof |
| CN105935553A (en) * | 2016-05-31 | 2016-09-14 | 河海大学 | Multi-tube water distribution hollow filter ultrafilter membrane assembly |
| CN110585927A (en) * | 2019-09-20 | 2019-12-20 | 杭州凯洁膜分离技术有限公司 | High-speed cross-flow anti-fouling tubular structure elastic ultrafiltration membrane and manufacturing process thereof |
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| CN112619425B (en) | 2022-12-06 |
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