CN211612273U - Hollow fiber membrane module - Google Patents
Hollow fiber membrane module Download PDFInfo
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- CN211612273U CN211612273U CN202020174368.0U CN202020174368U CN211612273U CN 211612273 U CN211612273 U CN 211612273U CN 202020174368 U CN202020174368 U CN 202020174368U CN 211612273 U CN211612273 U CN 211612273U
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Abstract
The utility model discloses a hollow fiber membrane component, which comprises a sleeve with a sleeve water gap, wherein a hollow fiber membrane component is arranged in the sleeve; end covers are arranged at two ends of the sleeve, and a central hole and a side hole are formed in each end cover; the hollow fiber membrane piece comprises a central tube which is arranged on the central hole in a penetrating way, and a plurality of water holes are arranged on the central tube; the central pipe is spirally wrapped with a water inlet net, one end of the water inlet net is connected with a water-stop film, and the water-stop film is spirally wrapped on the central pipe along with the water inlet net; a plurality of hollow fiber membrane filaments axially parallel to the central tube are arranged on the water-resisting membrane; and two ends perpendicular to the central pipe are provided with a sealing adhesive layer coated on the central pipe, the water inlet net and the waterproof membrane, one end of the sealing adhesive layer is arranged on the pipe wall of the central pipe, and the other end of the sealing adhesive layer is arranged at the tail end of the waterproof membrane far away from the central pipe. The utility model discloses can make hollow fiber membrane spare receive the washing away of rivers more easily in use and cleaning process to be difficult for receiving the pollution, and be convenient for wash, the performance resumes easily.
Description
Technical Field
The utility model relates to a water purification technology field, in particular to hollow fiber membrane module.
Background
Nowadays, the water quality requirements of industrial production, such as the production of products in various industries, such as biology, medicine, petroleum, chemical industry, semiconductors, etc., which have strict requirements on water, scientific research institutions, laboratories, and even our daily life are higher and higher. Therefore, the water needs to be treated to remove various toxic and harmful substances and impurities in the water, so that the application requirements of the water can be met. Hollow fiber has good application under industry, municipal administration and domestic water purification environment because its higher filter fineness, huge specific surface area, but hollow fiber leads to its easy pollution because its great water flux and dead end filtration mode, and traditional hollow fiber original paper leads to it to be difficult to wash because inside no runner design, receives easily to pollute and washs inconveniently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hollow fiber membrane subassembly. The utility model discloses can make hollow fiber membrane spare receive the washing away of rivers more easily in use and cleaning process to be difficult for receiving the pollution, and be convenient for wash, the performance resumes easily.
The technical scheme of the utility model: a hollow fiber membrane component comprises a sleeve with a sleeve water gap, wherein a hollow fiber membrane component is arranged in the sleeve; end covers are arranged at two ends of the sleeve, and a central hole and a side hole are formed in each end cover; the hollow fiber membrane piece comprises a central tube which is arranged on the central hole in a penetrating way, and a plurality of water holes are arranged on the central tube; the central pipe is spirally wrapped with a water inlet net, one end of the water inlet net is connected with a water-stop film, and the water-stop film is spirally wrapped on the central pipe along with the water inlet net; a plurality of hollow fiber membrane filaments axially parallel to the central tube are arranged on the water-resisting membrane; and two ends perpendicular to the central pipe are provided with a sealing adhesive layer coated on the central pipe, the water inlet net and the waterproof membrane, one end of the sealing adhesive layer is arranged on the pipe wall of the central pipe, and the other end of the sealing adhesive layer is arranged at the tail end of the waterproof membrane far away from the central pipe.
In the hollow fiber membrane module, the hollow fiber membrane filaments are microfiltration hollow fibers, ultrafiltration hollow fibers, nanofiltration hollow fibers or reverse osmosis hollow fibers.
In the hollow fiber membrane module, one end of the water inlet net is attached to the pipe wall of the central pipe, and the other end of the water inlet net is connected with the water-stop membrane; the width of the water inlet net is equal to that of the water-resisting film; the water inlet net is spirally wrapped on the central pipe for 2-3 circles.
In the hollow fiber membrane module, the hollow fiber membrane filaments are uniformly arranged on the water-resisting membrane.
In the hollow fiber membrane module, the hollow fiber membrane filaments are arranged on the water-stop membrane in an increasing or decreasing manner.
In the hollow fiber membrane module, the end cover is provided with the first sealing step, the outer side of the first sealing step is matched with the sleeve, and the inner side of the first sealing step is sealed with the water-resisting membrane through the sealing glue.
In the hollow fiber membrane module, the side wall of the lower end of the central hole protrudes to form a second sealing step, and the second sealing step and the central tube are sealed by sealing glue.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. when the utility model is operated at the dead end, the concentrated water is fed through the sleeve water gap on the sleeve, the concentrated water flows along the spiral direction of the water-proof film to the central pipe, a plurality of groups of hollow fiber membrane pieces on the water-proof film are used for filtering and collecting the produced water, and the produced water flows out from the side hole on the end cover; when the dead end of the hollow fiber membrane wire needs to be cleaned after running, the side hole on the end cover is blocked, cleaning water enters from the sleeve water gap or the central pipe to form spiral cleaning water flow from the sleeve water gap to the central pipe or spiral cleaning water flow from the central pipe to the sleeve water gap, and the hollow fiber membrane wire is cleaned, so that pollution to the hollow fiber membrane wire in the dead end running can be quickly removed, and the performance is recovered;
2. when the cross flow filtration mode is operated, the utility model feeds in the concentrated water through the sleeve water gap or the central pipe on the sleeve, the concentrated water flows along the spiral direction of the water-proof membrane to the central pipe or the sleeve water gap, a plurality of groups of hollow fiber membrane pieces on the water-proof membrane are used for filtering and collecting the produced water, and the spiral water flow enables the hollow fiber membrane pieces to be more easily washed by the water flow, thereby reducing the covering of pollutants on the hollow fiber membrane pieces and maintaining longer service time; the produced water of the hollow fiber membrane element flows out from the side hole on the end cover, and concentrated water is collected by the central tube or the sleeve water gap; when the hollow fiber membrane wire needs to be cleaned after cross-flow filtration operation, the side hole on the end cover is blocked, cleaning water enters from the sleeve water gap or the central pipe to form spiral cleaning water flow from the sleeve water gap to the central pipe or spiral cleaning water flow from the central pipe to the sleeve water gap, and the hollow fiber membrane wire is cleaned, so that pollution caused by the hollow fiber membrane wire during operation can be quickly removed.
The utility model discloses arrange the hollow fiber membrane silk on the water-stop film with increasing gradually or degressive mode, form the flow of thickness gradual change and arrive, along with producing water and flowing out from the hollow fiber membrane silk in the operation process, under the condition that the flow of water reduces in the runner, rivers in the flow can be through the hollow fiber membrane silk in order to increase gradually or degressive certain level that maintains, thereby avoid the concentration plan to make the pollution aggravation of hollow fiber membrane silk.
The utility model discloses a mutually supporting of first sealed step and the sealed step of second for hollow fiber membrane spare product water and dense water and washing can not mix, and the processing and production of being convenient for have improved the installation convenience moreover.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a hollow fiber membrane element;
fig. 3 is a schematic structural view of the end cap.
Reference numerals
1. A sleeve water gap; 2. a sleeve; 3. a hollow fiber membrane element; 4. an end cap; 5. a central bore; 6. a side hole; 7. a central tube; 8. a water pore; 9. a water inlet net; 10. a water-barrier film; 11. hollow fiber membrane filaments; 12. sealing the adhesive layer; 13. a first sealing step; 14. a second sealing step.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Example (b): a hollow fiber membrane module, as shown in fig. 1-2, comprising a sleeve 2 with a sleeve water gap 1, a hollow fiber membrane element 3 is arranged in the sleeve 2, the hollow fiber membrane wires 11 are micro-filtration hollow fibers, the material can be PS, PFDV, PTFE, PVC, PP, etc., and can be obtained commercially; end covers 4 are arranged at two ends of the sleeve 2, and the end covers 4 and the two ends of the sleeve 2 are sealed by using hoops; the end cover 4 is provided with a central hole 5 and a side hole 6; the hollow fiber membrane element 3 comprises a central tube 7 which is arranged on the central hole 5 in a penetrating way, a plurality of water holes 8 are arranged on the central tube 7, and water can be mutually communicated between the water holes 8 and the central tube 7; a water inlet net 9 is spirally coated on the central pipe 7, wherein one end of the water inlet net 9 is attached to the pipe wall of the central pipe 7, and the other end of the water inlet net 9 is in a net structure connected with a water-stop film 10; the width of the water inlet net 9 is equal to that of the water-resisting film 10; the water inlet net 9 is spirally wrapped on the central pipe for 2-3 circles; the waterproof film 10 is a flexible film which is waterproof and has good cohesiveness; the waterproof membrane 10 is spirally coated on the central pipe 7 along with the water inlet net 9 to form a spiral flow passage; a plurality of hollow fiber membrane wires 11 axially parallel to the central tube 7 are arranged on the water-stop membrane 10, and the hollow fiber membrane wires 11 are arranged on the water-stop membrane 10 in an increasing or decreasing manner; and two ends perpendicular to the central pipe 7 are provided with a sealant layer 12 coated on the central pipe 7, the water inlet net 9 and the water-stop film 10, one end of the sealant layer 12 is arranged on the pipe wall of the central pipe 7, and the other end of the sealant layer is arranged at the tail end of the water-stop film 10 far away from the central pipe 7.
When the utility model is operated at the dead end, the concentrated water is fed through the sleeve water gap 1 on the sleeve 2, the concentrated water flows along the spiral direction of the water-proof film to the central tube 7, the water is filtered and collected by the plurality of groups of hollow fiber membrane parts 3 on the water-proof film 10, and the produced water flows out from the side hole 6 on the end cover 4; when the hollow fiber membrane wire 11 needs to be cleaned after the dead end operation, the side hole 6 on the end cover 4 is blocked, cleaning water enters from the sleeve water gap 1 or the central pipe 7 to form spiral cleaning water flow from the sleeve water gap 1 to the central pipe 7 or spiral cleaning water flow from the central pipe 7 to the sleeve water gap 1, and the hollow fiber membrane wire 11 is cleaned, so that the pollution on the hollow fiber membrane wire 11 in the dead end operation can be quickly removed, and the performance is recovered;
the utility model discloses when the cross-flow filtration mode operation, advance dense water through sleeve mouth of a river 1 or central line 7 on the sleeve 2, dense water flows to central line 7 or sleeve mouth of a river 1 direction along the water proof membrane spiral, filters by multiunit hollow fiber membrane spare 3 on the water proof membrane 10 and collects and produces water, and spiral rivers make hollow fiber membrane spare 3 more receive the washing away of rivers, reduce the cover of pollutant on the hollow fiber membrane spare 3, maintain longer live time; the produced water of the hollow fiber membrane element 3 flows out from a side hole 6 on the end cover 4, and concentrated water is collected by a central tube 7 or a sleeve water gap 1; when the hollow fiber membrane wires 11 need to be cleaned after cross-flow filtration operation, the side holes 6 on the end cover 4 are blocked, cleaning water enters from the sleeve water gap 1 or the central pipe 7 to form spiral cleaning water flow from the sleeve water gap 1 to the central pipe 7 or spiral cleaning water flow from the central pipe 7 to the sleeve water gap 1, and the hollow fiber membrane wires 11 are cleaned, so that pollution caused by the hollow fiber membrane wires 11 in the operation can be quickly removed.
The utility model discloses arrange hollow fiber membrane silk 11 on water-stop membrane 10 with increasing progressively or degressive mode, form the flow of thickness gradual change and arrive, along with producing water and flowing out from hollow fiber membrane silk 11 in the operation process, under the condition that the water flow reduces in the runner, rivers in the flow can be through hollow fiber membrane silk 11 in order to increase progressively or degressive certain level of maintaining, thereby avoid the concentration plan to make hollow fiber membrane silk 11's pollution aggravation.
In another embodiment, the hollow fiber membrane filaments 11 are uniformly arranged on the water-stop membrane 10.
Further, as shown in fig. 2, a first sealing step 13 is disposed on the end cover 4, an outer side of the first sealing step 13 is matched with the sleeve 2, and an inner side of the first sealing step 13 is sealed with the water-stop film 10 by sealing glue. The protruding sealed step 14 of second that forms of lower extreme lateral wall of centre bore 5, sealed step 14 of second and center tube 7 between the sealed glue of warp seal, the utility model discloses a mutually supporting of first sealed step 13 and the sealed step 14 of second for hollow fiber membrane spare 3 produces water and dense water and washs can not mix, and the processing and production of being convenient for have improved the installation convenience moreover.
Principle of operation
When the dead end operates, concentrated water is fed through a sleeve water gap 1 on a sleeve 2, the concentrated water flows along the direction of a water-stop membrane spiral direction to a central pipe 7, a plurality of groups of hollow fiber membrane parts 3 on a water-stop membrane 10 are used for filtering and collecting produced water, and the produced water flows out from a side hole 6 on an end cover 4; when the hollow fiber membrane wire 11 needs to be cleaned after the dead end operation, the side hole 6 on the end cover 4 is blocked, cleaning water enters from the sleeve water gap 1 or the central pipe 7 to form spiral cleaning water flow from the sleeve water gap 1 to the central pipe 7 or spiral cleaning water flow from the central pipe 7 to the sleeve water gap 1, and the hollow fiber membrane wire 11 is cleaned, so that the pollution on the hollow fiber membrane wire 11 in the dead end operation can be quickly removed, and the performance is recovered;
when the cross-flow filtration mode is operated, concentrated water is fed through the sleeve water gap 1 or the central pipe 7 on the sleeve 2, the concentrated water flows along the direction of the water-stop film spiral to the central pipe 7 or the sleeve water gap 1, a plurality of groups of hollow fiber membrane parts 3 on the water-stop film 10 are used for filtering and collecting produced water, and the spiral water flow enables the hollow fiber membrane parts 3 to be easily washed by water flow, so that pollutants on the hollow fiber membrane parts 3 are covered, and the longer service life is maintained; the produced water of the hollow fiber membrane element 3 flows out from a side hole 6 on the end cover 4, and concentrated water is collected by a central tube 7 or a sleeve water gap 1; when the hollow fiber membrane wires 11 need to be cleaned after cross-flow filtration operation, the side holes 6 on the end cover 4 are blocked, cleaning water enters from the sleeve water gap 1 or the central pipe 7 to form spiral cleaning water flow from the sleeve water gap 1 to the central pipe 7 or spiral cleaning water flow from the central pipe 7 to the sleeve water gap 1, and the hollow fiber membrane wires 11 are cleaned, so that pollution caused by the hollow fiber membrane wires 11 in the operation can be quickly removed.
Claims (7)
1. A hollow fiber membrane module characterized in that: comprises a sleeve (2) with a sleeve water gap (1), wherein a hollow fiber membrane part (3) is arranged in the sleeve (2); end covers (4) are arranged at two ends of the sleeve (2), and a central hole (5) and a side hole (6) are formed in each end cover (4); the hollow fiber membrane element (3) comprises a central tube (7) which is arranged on the central hole (5) in a penetrating way, and a plurality of water holes (8) are arranged on the central tube (7); a water inlet net (9) is spirally coated on the central pipe (7), one end of the water inlet net (9) is connected with a water-stop film (10), and the water-stop film (10) is spirally coated on the central pipe (7) along with the water inlet net (9); a plurality of hollow fiber membrane filaments (11) which are axially parallel to the central tube (7) are arranged on the water-resisting membrane (10); and two ends perpendicular to the central pipe (7) are provided with sealing adhesive layers (12) coated on the central pipe (7), the water inlet net (9) and the water-stop film (10), one end of each sealing adhesive layer (12) is arranged on the pipe wall of the central pipe (7), and the other end of each sealing adhesive layer is arranged at the tail end, far away from the central pipe (7), of the water-stop film (10).
2. The hollow fiber membrane module according to claim 1, characterized in that: the hollow fiber membrane filaments (11) are microfiltration hollow fibers, ultrafiltration hollow fibers, nanofiltration hollow fibers or reverse osmosis hollow fibers.
3. The hollow fiber membrane module according to claim 1, characterized in that: the water inlet net (9) is of a net structure, one end of the water inlet net is attached to the pipe wall of the central pipe (7), and the other end of the water inlet net is connected with the water-stop film (10); the width of the water inlet net (9) is equal to that of the water-resisting film (10); the water inlet net (9) is spirally wrapped on the central pipe for 2-3 circles.
4. The hollow fiber membrane module according to claim 1, characterized in that: the hollow fiber membrane filaments (11) are uniformly distributed on the water-stop membrane (10).
5. The hollow fiber membrane module according to claim 1, characterized in that: the hollow fiber membrane filaments (11) are arranged on the water-resisting membrane (10) in an increasing or decreasing mode.
6. The hollow fiber membrane module according to claim 1, characterized in that: the end cover (4) is provided with a first sealing step (13), the outer side of the first sealing step (13) is matched with the sleeve (2), and the inner side of the first sealing step (13) is sealed with the waterproof film (10) through sealing glue.
7. The hollow fiber membrane module according to claim 1, characterized in that: and the side wall of the lower end of the central hole (5) protrudes to form a second sealing step (14), and the second sealing step (14) and the central tube (7) are sealed by sealing glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020174368.0U CN211612273U (en) | 2020-02-17 | 2020-02-17 | Hollow fiber membrane module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020174368.0U CN211612273U (en) | 2020-02-17 | 2020-02-17 | Hollow fiber membrane module |
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| CN211612273U true CN211612273U (en) | 2020-10-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036079A (en) * | 2020-02-17 | 2020-04-21 | 南京壹净新材料科技有限公司 | Hollow fiber membrane module and water purification method |
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- 2020-02-17 CN CN202020174368.0U patent/CN211612273U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036079A (en) * | 2020-02-17 | 2020-04-21 | 南京壹净新材料科技有限公司 | Hollow fiber membrane module and water purification method |
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