CN207507277U - Filter element and water purifier comprising same - Google Patents
Filter element and water purifier comprising same Download PDFInfo
- Publication number
- CN207507277U CN207507277U CN201721256578.9U CN201721256578U CN207507277U CN 207507277 U CN207507277 U CN 207507277U CN 201721256578 U CN201721256578 U CN 201721256578U CN 207507277 U CN207507277 U CN 207507277U
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- water
- membrane
- raw water
- pipe
- bag
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 230
- 239000012528 membrane Substances 0.000 claims abstract description 106
- 239000008213 purified water Substances 0.000 claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 claims abstract description 41
- 238000004804 winding Methods 0.000 claims abstract description 7
- 239000012141 concentrate Substances 0.000 claims description 17
- 230000004888 barrier function Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 2
- 238000001223 reverse osmosis Methods 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 230000010287 polarization Effects 0.000 description 7
- 238000001914 filtration Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a filter core reaches water purifier including it. The filter element comprises: the central pipe assembly comprises a raw water pipe and a water production pipe, wherein a raw water outlet is formed in the raw water pipe, and a purified water inlet is formed in the water production pipe; the filter membrane component comprises a membrane bag, a purified water flow channel is formed in the membrane bag, an opening is formed in the membrane bag and communicated with a purified water inlet on the water production pipe, the membrane bag is wound on the central pipe component to form a plurality of winding layers in the radial direction of the central pipe component, and adjacent winding layers are communicated with the raw water outlet. The utility model provides a filter core, raw water flow into the membrane bag and form the purified water, and the purified water flows in the membrane bag to flow in producing the water pipe. The membrane bag separates purified water from raw water and concentrated water, the purified water is formed in the membrane bag, the raw water and the concentrated water flow out of the membrane bag, the concentrated water flows out, the pollution speed of the filter element is reduced, and the service life of the reverse osmosis membrane filter element is prolonged.
Description
Technical Field
The utility model relates to a water purification technical field, especially a filter core reaches water purifier including it.
Background
The existing reverse osmosis membrane filter element water filtration principle is that the raw water inlet direction and the concentrated water outlet direction are parallel to a central tube, the produced water outlet direction is perpendicular to the central tube, and the separation of the raw water, the concentrated water and the pure water is realized by sealing three edges of a membrane bag far away from the central tube. The filter element of this structure has the following problems: (1) raw water is filtered into pure water under the action of pressure, part of the raw water is discharged as wastewater, and a concentration polarization layer is formed on the side membrane surface of the raw water along with the running of time, so that the performance of the filter element is rapidly reduced. (2) The raw water flow channel is longer, a transition region exists from an inlet to an outlet of water flow in the raw water flow channel, a region with extremely low water flow velocity exists, concentration polarization of membrane surfaces of the region is serious, and the water yield is extremely low. (3) The reverse osmosis membrane has unstable internal pressure, low desalination rate, unbalanced membrane utilization rate and unstable flux. (4) The concentration polarization at the tail end of the reverse osmosis filter element is serious, and the performance of the filter element is seriously influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a filter core and including its water purifier that conveniently intake and go out water.
In a first aspect, there is provided a filter cartridge comprising:
the central pipe assembly comprises a raw water pipe and a water production pipe, wherein a raw water outlet is formed in the raw water pipe, and a purified water inlet is formed in the water production pipe;
the filter membrane component comprises a membrane bag, a purified water flow passage is formed in the membrane bag, an opening is formed on the membrane bag and communicated with a purified water inlet on the water production pipe,
the membrane bag is wound on the central pipe assembly to form a plurality of winding layers in the radial direction of the central pipe assembly, and adjacent winding layers are communicated with the raw water outlet.
Preferably, a concentrate flow channel is further formed between adjacent winding layers, and the concentrate flow channel extends axially along the central tube assembly.
Preferably, the concentrate outlets of the concentrate flow passage are disposed at both axial sides of the filter element.
Preferably, the membrane bag is formed with a fold extending in an axial direction of the center tube assembly, the fold forming the concentrate flow passage.
Preferably, a through hole is formed in the side wall of the raw water pipe, a blocking part is arranged in the through hole, the blocking part is connected with the inner wall of the through hole through a connecting structure, and the raw water outlet is formed between the blocking part and the inner wall of the through hole.
Preferably, the raw water pipe further comprises raw water inlets disposed at both ends.
Preferably, the outer contour of the cross section of the raw water pipe is in a fan-shaped ring shape.
Preferably, the water production pipe is a tubular structure with one closed end, the purified water inlet is formed on the side wall of the tubular structure, and the purified water outlet is formed at the unsealed end of the tubular structure.
Preferably, the water production pipe is provided with one, the raw water pipe is provided with a plurality of, the raw water pipe is parallel with the water production pipe axis, and, a plurality of the raw water pipe is along the circumference of water production pipe is around the water production pipe sets up.
Preferably, the membrane bag comprises a filter membrane, the filter membrane forms a bag-shaped structure with one open end, and the water inlet side of the filter membrane is positioned on the outer side of the bag-shaped structure.
Preferably, the bag-shaped structure is formed by folding and bonding partial edges of one filter membrane; or,
the bag-shaped structure is formed by oppositely arranging two filter membranes and bonding partial edges.
Preferably, the open end of the bag-shaped structure is hermetically connected to the side wall of the water production pipe, and the connection part of the open end of the bag-shaped structure and the water production pipe covers the purified water inlet.
Preferably, the membrane bag is provided in plurality, and each membrane bag is communicated with at least one purified water inlet.
Preferably, a purified water diversion structure is arranged in the membrane bag.
Preferably, the filter membrane assembly further comprises a raw water diversion structure, and the raw water diversion structure is arranged between the raw water pipe and the membrane bag.
In a second aspect, a water purifier is provided, comprising the filter element.
The utility model provides a filter core, raw water flow into the membrane bag and form the purified water, and the purified water flows in the membrane bag to flow in producing the water pipe. The membrane bag separates purified water from raw water and concentrated water, the purified water is formed in the membrane bag, the raw water and the concentrated water flow out of the membrane bag, the concentrated water flows out, the pollution speed of the filter element is reduced, and the service life of the reverse osmosis membrane filter element is prolonged.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 shows a schematic end view of an embodiment of a filter element according to the present invention;
FIG. 2 shows a schematic view of the filter membrane module in a deployed state;
FIG. 3 shows a schematic of a raw water tube configuration;
figure 4 shows a schematic view of the water production pipe.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. It will be appreciated by those of ordinary skill in the art that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, the present invention provides a filter cartridge comprising a central tube assembly 100 and a filter membrane assembly 200, wherein the filter membrane assembly 200 wraps the central tube assembly 100 inside. The central pipe assembly 100 comprises at least one raw water pipe 110 and at least one water production pipe 120, in this embodiment, the raw water pipe 110 is provided with four, and the water production pipe 120 is provided with one, preferably, in other embodiments, the number of the raw water pipe 110 and the water production pipe 120 can be further set according to needs. The filter membrane module 200 includes a membrane bag in which a purified water flow passage is formed. Raw water flows out through the raw water pipe 110, part of the raw water is filtered by the membrane bag to form purified water in the membrane bag, and the purified water flow passage is communicated with the water production pipe 120, so that the purified water in the membrane bag flows into the water production pipe 120. A concentrate flow passage is formed at the outer side of the membrane bag, and raw water that does not enter the membrane bag forms concentrate, which flows out along the concentrate flow passage, preferably, the concentrate flow passage is formed along the axial direction of the central tube assembly 100.
As shown in fig. 2 (only one of the filter membrane modules is shown), the filter membrane module 200 comprises a membrane bag 210, the membrane bag 210 is formed by a filter membrane 211, the water inlet side of the filter membrane 211 is located outside the end 210, the water outlet side of the filter membrane 211 is located inside the membrane bag 210, preferably, the filter membrane 211 is a reverse osmosis membrane, or the filter membrane 211 may further comprise one or more of an ultrafiltration membrane or other filter membrane. Preferably, the membrane bag 210 is formed by oppositely arranging two filter membranes 211, three side edges of the two filter membranes 211 are connected in a sealing manner to form a bag-shaped structure with one side opened, and a purified water flow passage is formed inside the bag-shaped structure, or the membrane bag 210 may further include one filter membrane 211, and the one filter membrane 211 is folded in half and connected in a sealing manner to two opposite side edges to form a bag-shaped structure with one side opened. The opening of the bag-like structure is in communication with the water production tube 120 (described in detail below).
Preferably, a purified water diversion structure 212 is arranged in the membrane bag 210, the purified water diversion structure 212 is arranged between the two filter membranes 211, and preferably, the purified water diversion structure 212 is a flow path cloth, and further, the flow path cloth is connected to the water production pipe 120, or the flow path cloth is in contact with the water production pipe 120. Further, the filter membrane module 200 further includes a raw water diversion structure 220, the raw water diversion structure 220 is disposed on one side of the membrane bag 210 contacting the central tube module 100, the raw water diversion structure 220 diverts raw water flowing out through the side wall of the central tube module 100 to form a raw water flow channel, preferably, the raw water diversion structure 220 is a grid.
The outside of the membrane bag 210 forms concentrated water, which flows out from both ends of the filter cartridge in the axial direction of the center tube assembly 100. Preferably, the filter membrane 211 is folded along the axial direction of the central tube assembly 100 to form a fold, the fold forms a concentrate flow passage, and water that does not enter the membrane bag 210 through the filter membrane 211 forms concentrate, which flows out from both ends of the reverse osmosis membrane along the concentrate flow passage.
As shown in fig. 3, the raw water pipe 110 is provided at both ends thereof with raw water inlets 111, raw water is simultaneously supplied through the raw water inlets 111 at both ends, a raw water outlet 112 is provided at a side wall of the raw water pipe 110, the raw water outlet 112 communicates with the interior of the raw water pipe 110, and a plurality of raw water outlets 112 are preferably provided. Preferably, the raw water outlet 112 has a substantially annular structure, that is, a through hole is formed in a side wall of the raw water pipe 110, a barrier is disposed inside the through hole, the barrier is connected to an inner wall of the through hole by a connecting rib, and the raw water outlet 112 is formed between the barrier and a wall of the through hole. The raw water outlet 112 with a substantially annular shape can enable raw water to flow out in a turbulent flow state through the structure, and the turbulent flow state disturbs the concentration polarization layer on the surface of the membrane bag 210, so that the concentration polarization phenomenon is reduced, and the service life of the filter element is prolonged. Further, the cross section of the raw water pipe 110 is a fan-shaped ring structure, a plurality of raw water pipes 110 can be spliced into a ring shape, and the water production pipe 120 is arranged inside the ring shape. For example, in the present embodiment, four raw water pipes 110 are provided, an end surface of each of the four raw water pipes 110 is a circular ring-shaped structure, and the water producing pipe 120 is disposed in the middle of the four raw water pipes 110.
As shown in fig. 4, the water production pipe 120 is a tubular structure with one closed end and one open end, a purified water inlet 121 is formed in a side wall of the tubular structure, the purified water inlet 121 is communicated with the inside of the water production pipe 120, and preferably, a plurality of purified water inlets 121 are provided, and the plurality of purified water inlets 121 are distributed along the axial direction of the water production pipe 120. The open end of the water production tube 120 forms a purified water outlet 122. The open end of the membrane bag 210 is connected to the sidewall of the water production pipe 120, and the purified water inlet 121 is communicated with the inside of the membrane bag 210, and the connection between the open end of the membrane bag 210 and the sidewall of the water production pipe 120 covers all the purified water inlets 121, preferably, the opening of the membrane bag 210 is connected to the sidewall of the water production pipe 120 in a sealing manner. The purified water in the membrane bag 210 flows to the water production pipe 120 under the flow of the purified water flow guide structure 212, enters the water production pipe 120 through the purified water inlet 121, and flows out through the purified water outlet 122. Preferably, at least one film bag 210 is provided, and further, the number of the film bags 210 is the same as the number of the raw water pipes 110, that is, each raw water pipe 110 corresponds to one film bag 210. The open end of each of the membrane bags 210 is connected to the sidewall of the water production pipe 120, and each of the membrane bags 210 is communicated with at least one of the purified water inlets 121 of the water production pipe 120.
The utility model also provides a water purifier, be provided with above-mentioned filter core in the water purifier, the former water pipe way of water purifier is simultaneously with two raw water import 111 intercommunication, water is intake simultaneously at the both ends of former water pipe 110, the product water pipe way of water purifier with purified water export 122 intercommunication.
The utility model provides a filter core business turn over water is smooth and easy for the pressure is stable in the RO filter core, and it is abundant to filter, and system water is efficient. The inlet tube designs porous annular structure, and the raw water is the torrent through this inlet tube, disturbs the membrane face concentration polarization layer, alleviates the concentrated water end pollution phenomenon of filter core, extension filter core life-span. And raw water enters the membrane bag from the direction perpendicular to the axial direction of the central tube assembly, the raw water filtering path is lengthened, the contact time of the raw water and the membrane is prolonged, the water distribution is uniform, the problem of unbalanced pressure of the traditional reverse osmosis water inlet end can be solved, the raw water filtering efficiency is improved, and the water production efficiency of the filter element can be improved. The design of discharging concentrated water at two ends shortens the discharge path of concentrated water, reduces the pollution speed of the filter element and prolongs the service life of the filter element. The raw water filtering path is prolonged, the contact time of the raw water and the membrane is prolonged, the utilization rate of the raw water is improved, concentration polarization at two ends of the filter element is reduced, and the service life of the filter element is prolonged.
Those skilled in the art will readily appreciate that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
It will be understood that the above-described embodiments are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions may be made in the details described herein by those skilled in the art without departing from the basic principles of the invention.
Claims (16)
1. A filter cartridge, comprising:
the central pipe assembly comprises a raw water pipe and a water production pipe, wherein a raw water outlet is formed in the raw water pipe, and a purified water inlet is formed in the water production pipe;
the filter membrane component comprises a membrane bag, a purified water flow passage is formed in the membrane bag, an opening is formed on the membrane bag and communicated with a purified water inlet on the water production pipe,
the membrane bag is wound on the central pipe assembly to form a plurality of winding layers in the radial direction of the central pipe assembly, and adjacent winding layers are communicated with the raw water outlet.
2. The filter cartridge of claim 1, wherein a concentrate flow channel is further formed between adjacent layers of the wrap, the concentrate flow channel extending axially along the central tube assembly.
3. The filter cartridge of claim 2, wherein concentrate outlets of the concentrate flow passages are disposed on both axial sides of the filter cartridge.
4. The filter cartridge of claim 2, wherein the membrane pocket is formed with a fold extending axially along the central tube assembly, the fold forming the concentrate flow passage.
5. The filter element as claimed in claim 1, wherein a through hole is formed on a side wall of the raw water pipe, a barrier is provided in the through hole, the barrier is connected to an inner wall of the through hole by a connection structure, and the raw water outlet is formed between the barrier and the inner wall of the through hole.
6. The filter cartridge of claim 1, wherein the raw water pipe further comprises raw water inlets disposed at both ends.
7. The filter element of claim 1, wherein the outer profile of the cross-section of the raw water pipe is in the shape of a sector ring.
8. The filter cartridge of claim 1, wherein the water production tube is a tubular structure closed at one end, the purified water inlet is formed on a side wall of the tubular structure, and the purified water outlet is formed at an unsealed end of the tubular structure.
9. The filter cartridge as claimed in any one of claims 1 to 8, wherein there is one product water pipe, there are a plurality of the raw water pipes, the raw water pipes are parallel to the product water pipe axis, and a plurality of the raw water pipes are arranged around the product water pipe in a circumferential direction of the product water pipe.
10. The filter cartridge of claim 1, wherein the membrane bag comprises a filter membrane forming a bag-like structure open at one end, the inlet side of the filter membrane being located outside the bag-like structure.
11. The filter cartridge of claim 10, wherein the bag-like structure is formed by folding and adhering a piece of the filter membrane to a portion of the edge; or,
the bag-shaped structure is formed by oppositely arranging two filter membranes and bonding partial edges.
12. The filter cartridge of claim 10, wherein the open end of the bag is sealingly connected to the sidewall of the water production tube, and the connection of the open end of the bag to the water production tube covers the purified water inlet.
13. The filter cartridge of claim 12, wherein a plurality of the membrane bags are provided, each membrane bag being in communication with at least one of the purified water inlets.
14. The filter element of claim 1, wherein a purified water diversion structure is disposed within the membrane bag.
15. The filter cartridge of claim 1, wherein the filter membrane assembly further comprises a raw water flow guide disposed between the raw water pipe and the membrane bag.
16. A water purifier comprising the filter cartridge according to any one of claims 1 to 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721256578.9U CN207507277U (en) | 2017-09-27 | 2017-09-27 | Filter element and water purifier comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721256578.9U CN207507277U (en) | 2017-09-27 | 2017-09-27 | Filter element and water purifier comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207507277U true CN207507277U (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721256578.9U Active CN207507277U (en) | 2017-09-27 | 2017-09-27 | Filter element and water purifier comprising same |
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| CN (1) | CN207507277U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107617338A (en) * | 2017-09-27 | 2018-01-23 | 珠海格力电器股份有限公司 | Filter element and water purifier comprising same |
| CN111450594A (en) * | 2020-05-19 | 2020-07-28 | 广东韦博科技有限公司 | Rotational flow filter element |
| CN113120994A (en) * | 2019-12-31 | 2021-07-16 | 浙江绍兴苏泊尔生活电器有限公司 | Reverse osmosis filter element, manufacturing method thereof, filter element assembly and water purifier |
| CN114011246A (en) * | 2021-10-29 | 2022-02-08 | 浙江沁园水处理科技有限公司 | Side flow membrane filter element assembly |
-
2017
- 2017-09-27 CN CN201721256578.9U patent/CN207507277U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107617338A (en) * | 2017-09-27 | 2018-01-23 | 珠海格力电器股份有限公司 | Filter element and water purifier comprising same |
| CN107617338B (en) * | 2017-09-27 | 2023-02-03 | 珠海格力电器股份有限公司 | Filter element and water purifier comprising same |
| CN113120994A (en) * | 2019-12-31 | 2021-07-16 | 浙江绍兴苏泊尔生活电器有限公司 | Reverse osmosis filter element, manufacturing method thereof, filter element assembly and water purifier |
| CN113120994B (en) * | 2019-12-31 | 2023-07-07 | 浙江绍兴苏泊尔生活电器有限公司 | Reverse osmosis filter element, manufacturing method thereof, filter element assembly and water purifier |
| CN111450594A (en) * | 2020-05-19 | 2020-07-28 | 广东韦博科技有限公司 | Rotational flow filter element |
| CN114011246A (en) * | 2021-10-29 | 2022-02-08 | 浙江沁园水处理科技有限公司 | Side flow membrane filter element assembly |
| CN114011246B (en) * | 2021-10-29 | 2024-04-02 | 浙江沁园水处理科技有限公司 | Sidestream membrane filter element assembly |
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