CN109589794B - Membrane frame for hollow fiber membrane - Google Patents
Membrane frame for hollow fiber membrane Download PDFInfo
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- CN109589794B CN109589794B CN201811595952.7A CN201811595952A CN109589794B CN 109589794 B CN109589794 B CN 109589794B CN 201811595952 A CN201811595952 A CN 201811595952A CN 109589794 B CN109589794 B CN 109589794B
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- membrane
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- hollow fiber
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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
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- 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
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- 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 relates to a membrane frame for a hollow fiber membrane, which comprises a frame body, wherein membrane shell groups are uniformly arranged on the frame body at intervals, a hollow fiber membrane matched with the membrane shell groups is fixed between each membrane shell group, supporting rods which are arranged at two sides of each membrane shell and are used for supporting and communicating an upper membrane shell and a lower membrane shell are arranged between each membrane shell group, each membrane shell comprises a shell frame which penetrates through the upper part and the lower part and a water production shell cover which covers the upper side of the shell frame with a water production port, two sides of the shell frame are provided with water guide fixing parts which are matched with the supporting rods, each water guide fixing part comprises a fixing cavity fixed with the supporting rods and a water passing cavity communicated with the fixing cavity, a water pumping cavity is arranged in the water production shell cover, when the water production shell is covered on the shell frame, the water pumping cavity is communicated with the water passing cavities, a fixing conduction part is arranged between the hollow fiber membrane on each membrane shell group and the supporting rods at two sides of the hollow fiber membrane group, the fixing conduction part comprises water outlet membrane filaments which are fixedly communicated with the supporting rods at two sides of the hollow fiber membrane, the water outlet membrane filaments are uniformly distributed at intervals along the axial direction of the support rod.
Description
Technical Field
The invention relates to the field of sewage treatment equipment, in particular to a membrane frame for a hollow fiber membrane.
Background
Curtain formula membrane frame on market, usually include the three, the support body, membrane shell and fibre membrane, the upper end and the lower extreme of support body can set up the membrane shell respectively usually, spacing membrane is fixed between two membrane shells, the both ends of fibre membrane are pour through epoxy respectively and are fixed on the membrane shell, and the delivery port of spacing membrane is direct to be fixed in the product water port department of membrane shell through O shape circle, through submerging whole device in sewage, produce the water inlet and connect pumping equipment, clean water is taken out by producing the water port after sewage will permeating the fibre membrane filtration.
However, this approach has several disadvantages:
1. the vertical force of the diaphragm is borne by the glue (epoxy) contact surface. Generally in order to guarantee that membrane shell surface is smooth, the membrane shell wall thickness of glue contact surface generally will indent 2 ~ 3mm for this place membrane shell is thinner, considers 2 parts atress simultaneously, and when the diaphragm is longer, the membrane shell must lead to serious deformation. When the wet film is disassembled and assembled, the wet film can cause irreversible deformation and glue fracture when being slightly improper. In addition, the problem is that the glue can bear the weight, and if the weight of the film is larger than 2 meters, the wet film weight is easily over 100kg, and the glue applied manually may fall off.
2. The common curtain type diaphragm on the market, the membrane shell is fixed in membrane shell both sides, and one side is for producing the mouth of a river among them. When the membrane is light, the deformation of wet membrane hoisting is within an acceptable range, but when the membrane is larger, the structure causes the deformation of a water producing port, the breakage of the root part is generated, the whole membrane shell leaks water, the field is difficult to find, and the repair is basically impossible after the finding.
Disclosure of Invention
The invention aims to provide a membrane frame for a hollow fiber membrane, which has high bearing capacity and a membrane which is not easy to deform and break.
In order to achieve the purpose, the method is realized by the following technical means: a membrane frame for hollow fiber membranes comprises a frame body, membrane shell groups are arranged on the frame body at uniform intervals and comprise membrane shells arranged on the upper side of the frame body and membrane shells arranged on the lower side of the frame body, hollow fiber membranes matched with the membrane shells are fixed between each membrane shell group, supporting rods which are arranged on two sides of each membrane shell and are used for supporting and communicating the upper membrane shell and the lower membrane shell are arranged between each membrane shell group, each membrane shell comprises a shell frame and a water production shell cover, wherein the upper side of the shell frame is covered by the water production shell cover, water guide fixing parts matched with the supporting rods are arranged on two sides of the shell frame, hollow flow passage holes are arranged in the supporting rods in a penetrating manner, each water guide fixing part comprises a fixing cavity fixed with the supporting rods and a water passing cavity communicated with the fixing cavity, a water pumping cavity is arranged in the water production shell cover, when the water production shell cover is covered on the shell frame, the water pumping cavity is communicated with the water passing cavity, the hollow fiber membrane on every membrane shell group of group all is provided with fixed conduction portion rather than between the bracing piece of both sides, fixed conduction portion is including setting up the play water membrane silk of the fixed intercommunication of hollow fiber membrane both sides and bracing piece, goes out the even interval distribution of axial of water membrane silk along the bracing piece.
The method is further optimized as follows: the cavity of the shell frame below the water producing shell cover is a glue cavity for fixing the end part of the hollow fiber membrane, and the glue cavity is filled with epoxy resin.
The method is further optimized as follows: the fixing cavity of the water guide fixing part is in threaded connection with the supporting rod.
The method is further optimized as follows: the upper portion of crossing the water cavity is uncovered, the chamber wall that draws water of producing the water cap cooperates with frame shell inside wall is sealed, the both ends of producing the water cap be provided with the chamber wall of crossing the water cavity carry out sealed complex sealing plug, cross and be provided with the first hole and the second hole of break-over mutually on water cavity and the sealed wall opposite face.
The method is further optimized as follows: the fixed cavity and the water passing cavity are communicated with each other through a communicating cavity hole.
The method is further optimized as follows: set up on the support body and be used for embracing the first limit structure of even interval separation of membrane shell, first limit mechanism holds the piece including setting up the U-shaped of interval distribution on the support body, works as when the U-shaped holds the piece and installs on the support body, the frame shell both ends of membrane shell are absorbed in U-shaped is held the piece sunken.
The method is further optimized as follows: the upside of support body sets up the hoisting structure who is used for hoist and mount membrane shell, hoisting structure is including setting up the rotatory load-bearing structure on the support body and setting up in the rings of membrane shell both sides, rotatory load-bearing structure is including rotating the hinge and installing the atress axle on rotating the hinge, atress axle and rings cooperation, the rotation lower limit position of atress axle is in the horizontality position for the atress axle, is the hoist and mount position of membrane shell when the atress axle is in the horizontality position.
The method is further optimized as follows: the upside of support body still is provided with the last limit mechanism that is used for restricting the membrane shell and shifts up, go up limit structure and include an upper limit pole, after the membrane shell was installed to the upside of support body, go up the top that the limit pole laminated in the membrane shell on each support body.
The method is further optimized as follows: the water producing port of the membrane shell on the upper side of the frame body is provided with a quick joint matched with the PV hose, and the water producing port of the membrane shell on the lower side of the frame body is provided with a valve.
Compared with the prior art, the invention has the advantages that:
1. the smart suspension design is adopted, so that the installation and the disassembly can be realized through one movable mechanism, and the movable mechanism can complete self-locking after the installation is finished, so that the diaphragm can be assembled and disassembled on site only by driving or manually hanging;
2. the membrane shell is divided into a frame shell and a water producing shell cover, so that the water producing shell cover is not subjected to the force of the hollow fiber membrane, and is equivalent to the action of a cover plate, the strength requirement is reduced, and the water producing shell cover is not easy to damage;
3. the membrane shells on the upper side and the lower side of the frame body are fixedly supported through the supporting rods, the weighing capacity of the membrane shells is improved, in addition, a fixed conduction part is arranged between the supporting rods and the hollow fiber membranes, on one hand, the conduction of a flow channel between the membranes and the supporting rods is realized, after a water production port of the membrane shells above the frame body is connected with a water pumping device, sewage is filtered after penetrating through the hollow fiber membranes, clean water is pumped out through the water production port after passing through the supporting rods and the water guide fixing part, and the flow channel of water flow is realized by ingeniously utilizing the two ends of the supporting rods and the frame shell; on the other hand owing to fix the hollow fiber membrane on the bracing piece multistage, can with the weight of hollow fiber membrane all with share the bracing piece on, this weight will be used the both ends of membrane shell through the bracing piece support, and the both ends of membrane shell will be directly transmit power to the support body, directly bear the weight of hollow fiber membrane by the support body, can not make the membrane shell atress too huge, and then the problem of membrane shell bending deformation appears.
Drawings
FIG. 1 is an overall isometric view of a film frame of an embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an overall isometric view of the frame of the embodiment;
FIG. 4 is an enlarged view of the portion B of FIG. 3;
FIG. 5 is a schematic axial view of a membrane housing assembly according to an embodiment;
FIG. 6 is a schematic view of the installation of the membrane housing assembly and the hollow fiber membranes of the example;
FIG. 7 is an enlarged view of section C of FIG. 6;
FIG. 8 is an exploded view of the housing and the water producing housing cover of the embodiment;
FIG. 9 is a half sectional view of a frame case of the embodiment;
FIG. 10 is an enlarged view of the fitting portion of the water guide fixing portion and the supporting rod according to the embodiment;
FIG. 11 is a split view of the water producing housing cover of the embodiment.
In the figure, 1, a frame body; 11. a lower bearing bar; 12. a left and a right limiting rods; 13. an upper limiting rod; 2. a U-shaped clasping member; 31. a force-bearing shaft; 32. a hinge; 4. a support bar; 41. a flow passage hole; 5. a frame case; 51. a fixed cavity; 511. a communicating cavity; 52. a flow-through chamber; 521. a first inner bore; 53. a lock hole; 6. a water producing shell cover; 61. a water pumping cavity shell; 611. a water pumping cavity; 612. a flow homogenizing cavity; 62. a sealing plug; 63. a second inner bore; 64. a water producing port; 7. a hollow fiber membrane; 71. water film silk is discharged; 8. keep off the flow board.
Detailed Description
The invention will be further described by means of specific embodiments, which are given by way of illustration only and are not intended to limit the scope of the invention.
Examples
A membrane frame for hollow fiber membrane, see the attached figures 1-11, comprises a frame, on which there are provided membrane shell groups at intervals, each membrane shell group comprises a membrane shell arranged on the upper side of the frame and a membrane shell arranged on the lower side of the frame, and a support rod 4 for connecting and supporting the upper and lower membrane shells.
The membrane shell comprises a frame shell 5 and a water producing shell cover 6, the middle of the frame shell 5 is a through groove, one side of the groove is matched with the water producing shell cover 6, and the other side of the groove is formed into a glue cavity for fixing the upper end and the lower end of the hollow fiber membrane 7. The two ends of the frame shell 5 are water guide fixing parts, and each water guide fixing part comprises a fixing cavity 51 fixed with the support rod 4 and a overflowing cavity 52 communicated with the fixing cavity 51 through a communication cavity 511. Wherein the fixing chamber 51 is screw-coupled with the end of the support rod 4. The water producing shell cover 6 comprises a water pumping cavity 611 and a water producing port 64, sealing plugs 62 which are matched and sealed with the overflowing cavity 52 are arranged at two ends of the water producing shell cover 6, after the water producing shell cover 6 and the frame shell 5 are mutually installed, the sealing plugs 62 are plugged into the overflowing cavity 52, and the outer wall of the water pumping cavity 611 shell 61 is sealed with the inner side of the frame shell 5. Wherein, the wall of the overflowing cavity 52 and the shell of the pumping cavity 611 are provided with a first inner hole 521 and a second inner hole 63 which are opposite, so that the overflowing cavity 52 and the pumping cavity 611 are communicated with each other. In order to improve the stability of the water flow pumped from the water production port 64, a flow baffle plate 8 is further arranged in the water pumping cavity 611, the water pumping cavity 611 is divided into an upper cavity and a lower cavity by the flow baffle plate 8, the lower water pumping cavity 611 and the upper uniform flow cavity 612, and water firstly enters the water pumping cavity 611 and then enters the upper uniform flow cavity 612. The flow baffle plate 8 is provided with flow grooves which are not easy to comb densely, wherein the flow grooves at the position of the flow baffle plate 8 close to the water producing port 64 are the most dense, and the flow grooves are arranged along the two ends of the flow baffle plate 8.
The matching relationship between the membrane shell group and the hollow fiber membrane 7 is shown in the attached drawings 5-7, the upper end and the lower end of the hollow fiber membrane 7 are fixed in the glue cavity of the membrane shell and fixed through epoxy resin, water outlet membrane wires 71 are arranged between the hollow fiber membrane 7 and the support rod 4 and are evenly spaced along the axial direction of the support rod 4, the water outlet membrane wires 71 are used for communicating the hollow fiber membrane 7 with the flow channel holes 41 inside the support rod 4, the weight of the hollow fiber membrane 7 can be evenly distributed on the support rod 4 in a grading mode, the membrane shell is prevented from bearing overlarge load, the bearing capacity of the membrane shell is further improved, and the membrane shell is prevented from deforming.
Still be provided with the hoisting structure who is used for bearing membrane shell group weight on support body 1, hoisting structure is including setting up the rotatory load-bearing structure on support body 1 and setting up in the rings of membrane shell both sides, and rotatory load-bearing structure is including rotating hinge 32 and installing the atress axle 31 on rotating hinge 32, and atress axle 31 and rings cooperation, the rotation lower limit position of atress axle 31 is in the horizontality position for atress axle 31, is the hoist and mount position of membrane shell when atress axle 31 is in the horizontality position. And for the sake of safety, a lower bearing rod 11 is further disposed at the lower side position of the frame body 1, the lower bearing rod 11 is not always subjected to the weight of the membrane shell, and in case the stress shaft 31 is broken or the hoisting structure is damaged due to other reasons, the lower bearing rod 11 plays a role in supporting the membrane shell group when the membrane shell group descends.
The further problem improves the stability of membrane shell group on support body 1, has still set up left and right stop gear on support body 1, including controlling gag lever post 12 for withstand the membrane shell both ends of membrane shell group, prevent its drunkenness of left right direction that appears, and still be provided with stop gear above support body 1, including last gag lever post 13, after the membrane shell group is good on support body 1, install gag lever post 13, laminating or clearance frame establish the top at last membrane shell, prevent that upwards drunkenness from appearing in the membrane shell.
In the working process, a quick connector can be arranged at the water producing port 64 of the water producing shell cover 6 of the membrane shell above the rack body 1 and is used for being matched with a PV hose, and the PV hose can be matched with a water pumping device. The water producing port 64 of the water producing shell cover 6 of the membrane shell positioned below the frame body 1 can be provided with a valve. When water is pumped, the valve is closed to start the water pumping device, and after sewage is filtered by the hollow fiber membranes 7, clean water enters the flow passage holes 41 of the support rod 4 through the water outlet membrane wires 71, then passes through the fixed cavity 51, the overflowing cavity 52 and the water pumping cavity 611, and is pumped out of the water production port 64.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (9)
1. A membrane frame for hollow fiber membranes comprises a frame body, wherein membrane shell groups are uniformly arranged on the frame body at intervals, each membrane shell group comprises a membrane shell arranged on the upper side of the frame body and a membrane shell arranged on the lower side of the frame body, hollow fiber membranes matched with the membrane shells are fixed between every two membrane shell groups, and the membrane frame is characterized in that supporting rods which are arranged on two sides of each membrane shell and are used for supporting and communicating the upper membrane shell and the lower membrane shell are arranged between every two membrane shell groups, each membrane shell comprises a shell frame and a water production shell cover, the upper side of the shell frame is covered by the water production shell cover, water guide fixing parts matched with the supporting rods are arranged on two sides of the shell frame, hollow flow passage holes are arranged in the supporting rods in a penetrating manner, each water guide fixing part comprises a fixing cavity fixed with the supporting rods and a water passing cavity communicated with the fixing cavity, a water pumping cavity is arranged in the water production shell cover, when the water production shell cover is covered on the shell frame, the water pumping cavity is mutually communicated with the water passing cavity, a fixed conduction part is arranged between the hollow fiber membrane on each membrane shell group and the support rods on two sides of the hollow fiber membrane, the fixed conduction part comprises water outlet membrane filaments which are fixedly communicated with the support rods on two sides of the hollow fiber membrane, and the water outlet membrane filaments are uniformly distributed at intervals along the axial direction of the support rods.
2. The membrane holder for hollow fiber membranes according to claim 1, wherein the cavity of the housing frame below the water producing housing cover is a glue cavity for fixing the end of the hollow fiber membrane, and the glue cavity is filled with epoxy resin.
3. The membrane holder for hollow fiber membranes according to claim 2, wherein the fixing cavity of the water guide fixing part is screw-connected to the support rod.
4. The membrane holder for hollow fiber membranes according to claim 2 or 3, wherein the upper part of the water passing chamber is open, the wall of the water pumping chamber of the water producing housing cover is in sealing fit with the inner side wall of the frame housing, two ends of the water producing housing cover are provided with sealing plugs in sealing fit with the wall of the water passing chamber, and the opposite surfaces of the water passing chamber and the sealing wall are provided with a first inner hole and a second inner hole which are mutually penetrated.
5. The membrane holder for hollow fiber membranes according to claim 1, wherein the fixing chamber and the water passing chamber are communicated with each other through a communication chamber hole.
6. The membrane holder for hollow fiber membranes according to claim 1, wherein the holder body is provided with first limiting structures for uniformly spacing and separating the membrane shells, the first limiting structures comprise U-shaped clasping members arranged on the holder body at intervals, and when the U-shaped clasping members are mounted on the holder body, two ends of the frame shell of the membrane shell sink into the recesses of the U-shaped clasping members.
7. The membrane rack according to claim 6, wherein the upper side of the rack body is provided with a hoisting structure for hoisting the membrane shell, the hoisting structure comprises a rotary bearing structure arranged on the rack body and hoisting rings arranged on two sides of the membrane shell, the rotary bearing structure comprises a rotary hinge and a stress shaft arranged on the rotary hinge, the stress shaft is matched with the hoisting rings, the lower rotation limit position of the stress shaft is the position of the stress shaft in the horizontal state, and the lower rotation limit position of the stress shaft is the hoisting position of the membrane shell when the stress shaft is in the horizontal state.
8. The membrane rack according to claim 7, wherein an upper limiting mechanism for limiting the membrane shell to move upwards is further arranged on the upper side of the rack body, the upper limiting mechanism comprises an upper limiting rod, and after the upper membrane shell is mounted on the upper side of the rack body, the upper limiting rod is attached to the upper side of each rack body above the membrane shell.
9. The membrane holder for hollow fiber membranes according to claim 1, wherein the water producing port of the membrane housing located at the upper side of the holder body is provided with a quick coupling to be engaged with the PV hose, and the water producing port of the membrane housing located at the lower side of the holder body is provided with a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811595952.7A CN109589794B (en) | 2018-12-25 | 2018-12-25 | Membrane frame for hollow fiber membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811595952.7A CN109589794B (en) | 2018-12-25 | 2018-12-25 | Membrane frame for hollow fiber membrane |
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| Publication Number | Publication Date |
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| CN109589794A CN109589794A (en) | 2019-04-09 |
| CN109589794B true CN109589794B (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811595952.7A Active CN109589794B (en) | 2018-12-25 | 2018-12-25 | Membrane frame for hollow fiber membrane |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004020226A1 (en) * | 2004-04-02 | 2005-11-03 | Koch Membrane Systems Gmbh | membrane filter |
| CN202741010U (en) * | 2012-08-20 | 2013-02-20 | 天津膜天膜科技股份有限公司 | Submerged-type hollow fiber membrane module |
| CN202762317U (en) * | 2012-06-28 | 2013-03-06 | 北京桑德环境工程有限公司 | Curtain-membrane water treatment component and tank-type water treatment unit |
| CN103781535A (en) * | 2011-08-23 | 2014-05-07 | 陶氏环球技术有限责任公司 | Filtration assembly including multiple modules sharing common hollow fiber support |
| CN207775020U (en) * | 2017-12-08 | 2018-08-28 | 石家庄国华环保科技有限公司 | A kind of submerged hollow fibre membrane module in bioreactor and petrochemical wastewater processing system |
-
2018
- 2018-12-25 CN CN201811595952.7A patent/CN109589794B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004020226A1 (en) * | 2004-04-02 | 2005-11-03 | Koch Membrane Systems Gmbh | membrane filter |
| CN103781535A (en) * | 2011-08-23 | 2014-05-07 | 陶氏环球技术有限责任公司 | Filtration assembly including multiple modules sharing common hollow fiber support |
| CN202762317U (en) * | 2012-06-28 | 2013-03-06 | 北京桑德环境工程有限公司 | Curtain-membrane water treatment component and tank-type water treatment unit |
| CN202741010U (en) * | 2012-08-20 | 2013-02-20 | 天津膜天膜科技股份有限公司 | Submerged-type hollow fiber membrane module |
| CN207775020U (en) * | 2017-12-08 | 2018-08-28 | 石家庄国华环保科技有限公司 | A kind of submerged hollow fibre membrane module in bioreactor and petrochemical wastewater processing system |
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| Publication number | Publication date |
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| CN109589794A (en) | 2019-04-09 |
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Address after: 315000 Rooms 123 and 124, Building 1, No. 134, East Section of Huancheng North Road, Jiangbei District, Ningbo, Zhejiang Patentee after: ZHEJIANG JINGYUAN MEMBRANE TECHNOLOGY Co.,Ltd. Address before: 315000 No. 79, Weisan Road, Xiaogang, Beilun District, Ningbo City, Zhejiang Province Patentee before: ZHEJIANG JINGYUAN MEMBRANE TECHNOLOGY Co.,Ltd. |