CN109999671A - A kind of wound membrane structure and preparation method thereof improving reverse-osmosis membrane element flux - Google Patents
A kind of wound membrane structure and preparation method thereof improving reverse-osmosis membrane element flux Download PDFInfo
- Publication number
- CN109999671A CN109999671A CN201910257968.5A CN201910257968A CN109999671A CN 109999671 A CN109999671 A CN 109999671A CN 201910257968 A CN201910257968 A CN 201910257968A CN 109999671 A CN109999671 A CN 109999671A
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- CN
- China
- Prior art keywords
- osmosis membrane
- reverse osmosis
- reverse
- central tube
- adhesive waterproof
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
Abstract
The invention discloses a kind of wound membrane structures and preparation method thereof for improving reverse-osmosis membrane element flux, and wherein wound membrane includes a central tube, and the central tube Single port is water inlet end, are provided with water outlet on the central tube peripheral wall；And at least one layer of winding layer；The winding layer includes: a water inlet filter, the water inlet filter upper and lower end face is provided with the first reverse osmosis membrane and the second reverse osmosis membrane, the reverse side of the front of first reverse osmosis membrane and the second reverse osmosis membrane direction water inlet filter, first reverse osmosis membrane and the second reverse osmosis membrane, which couples, pure water selvage guide；Above-mentioned water inlet filter, the first reverse osmosis membrane, pure water selvage guide, the second reverse osmosis membrane are wound on central tube periphery, preparation method include by above-mentioned parts it is orderly stack after wound on central tube periphery, the present invention can effectively improve the water-flowing amount of reverse-osmosis membrane element, improve service life.
Description
Technical field
The present invention relates to a kind of wound membrane structures and preparation method thereof for improving reverse-osmosis membrane element flux.
Background technique
Reverse osmosis water purifier is that Domestic water purifying market occupies an important position at home at present.However, current reverse osmosis membrane
Element mostly uses greatly traditional rolling technology to be embedded with the reverse osmosis membrane bag superposition composition of concentrated water grid that is, by pure water selvage guide
The winding of reverse osmosis membrane group rolls on central tube.This method rolls the reverse-osmosis membrane element side one end to be formed and intakes for raw water,
Under pressure after diaphragm purifies, pure water flows through pure water selvage guide inside film bag and is pooled to central tube stream with holes raw water
Out, the concentrated water not filtered is flowed out from another side of membrane component.The water inlet direction of this reverse-osmosis membrane element and concentrated water discharge
Direction it is consistent, but membrane component inside stream road width, process is short, causes water flow inside speed slow, film surface is easy to produce concentration difference
Polarization phenomena, water pollutant are easily deposited and are polluted in film surface, are reduced the salt rejection rate and water flux of membrane component, are eventually led to
The membrane component lost of life.
Summary of the invention
In order to solve the above-mentioned technical problem, the purpose of the present invention is to provide a kind of volumes for improving reverse-osmosis membrane element flux
Membrane structure and preparation method thereof.
The present invention is achieved through the following technical solutions:
It is a kind of improve reverse-osmosis membrane element flux wound membrane structure, comprising: a central tube, the central tube Single port be into
Water end (W.E.) is provided with water outlet on the central tube peripheral wall；And at least one layer of winding layer；The winding layer includes: a water inlet filter,
The water inlet filter upper and lower end face is provided with the first reverse osmosis membrane and the second reverse osmosis membrane, first reverse osmosis membrane and
The reverse side of the front of second reverse osmosis membrane direction water inlet filter, first reverse osmosis membrane and the second reverse osmosis membrane is equal
Connection has pure water selvage guide；Above-mentioned water inlet filter, the first reverse osmosis membrane, pure water selvage guide, the second reverse osmosis membrane are wound on center
Pipe periphery.
In the embodiment of the present invention, positive two widthwise edges of the first reverse osmosis membrane are provided with third marine glue
Band.
In the embodiment of the present invention, the second reverse osmosis membrane reverse side is close to the vertical edges of central tube and far from central tube
Vertical edges are provided with the first adhesive waterproof tape.
In the embodiment of the present invention, a widthwise edge of the second reverse osmosis membrane reverse side is provided with the second adhesive waterproof tape.
In the embodiment of the present invention, the both ends of second adhesive waterproof tape are connected with two first adhesive waterproof tapes.
In the embodiment of the present invention, the both ends of the central tube periphery wall are provided with the 4th matched with the second adhesive waterproof tape
Adhesive waterproof tape, the 4th adhesive waterproof tape are looped around central tube periphery wall periphery.
The invention also discloses another technical characteristics:
A kind of preparation method for the wound membrane structure improving reverse-osmosis membrane element flux,
S1, it will wherein a pure water selvage guide one end and central tube peripheral wall be connected；
S2, it is placed on the first reverse osmosis membrane is face-up above the pure water selvage guide, and in the first reverse osmosis membrane
Positive two widthwise edge gluings form third adhesive waterproof tape；
S3, water inlet filter is placed in the first reverse osmosis membrane upper front；
S4, being placed on the second reverse osmosis membrane face down on water filter are leaned in the second reverse osmosis membrane reverse side
The vertical edges of nearly central tube and the vertical edges gluing far from central tube form the first adhesive waterproof tape；
S5, another pure water selvage guide is placed in the top of the second reverse osmosis membrane reverse side；
S6, by the pure water selvage guide being sequentially placed, the first reverse osmosis membrane, water inlet filter, the second reverse osmosis membrane, another
Pure water selvage guide is wound on central tube periphery.
In the embodiment of the present invention, it is anti-that second will be formed in a widthwise edge gluing of the second reverse osmosis membrane reverse side in S4
Glue band, the both ends of second adhesive waterproof tape are connected with two first adhesive waterproof tapes.
In the embodiment of the present invention, in S6, gluing is carried out at the both ends of central tube before winding and forms the 4th adhesive waterproof tape, is made
4th adhesive waterproof tape couples with the cooperation of the second adhesive waterproof tape.
A kind of wound membrane structure and preparation method thereof of raising reverse-osmosis membrane element flux of the invention has following beneficial to effect
Fruit: 1, central tube concentrates water inlet, and water is big, is uniformly distributed and flows into diaphragm, and the pressure loss is small, and water flux is big；2, raw water water flow side
It is less scaling to no dead angle；3, pure water process is short, and resistance is small, and flow velocity is fast, and flux is big；4, pure water is directly arranged from end face large area
Out, no dead angle, Evacuable do not have the stagnant water stopped for a long time, keep water outlet cleaner；5, pure water is directly arranged from end face large area
Out, will not be in internal pocket gas, diaphragm water flux is bigger.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical solution of the present invention
The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is schematic diagram of the invention.
Fig. 2 is the schematic diagram of central tube embodiment one of the present invention.
Fig. 3 is the schematic diagram of central tube embodiment two of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, carries out to the technical solution in inventive embodiments clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, those of ordinary skill in the art's every other reality obtained without making creative work
Example is applied, shall fall within the protection scope of the present invention.
Reference book attached drawing, a kind of wound membrane structure improving reverse-osmosis membrane element flux a, comprising: central tube 10, institute
Stating central tube Single port is water inlet end 11, is provided with water outlet 12 on the central tube peripheral wall, in conjunction with Figure of description, raw water from
The Single port of central tube is intake, and is then flowed to following winding layers from the water outlet of central tube peripheral wall and is carried out water processed；And extremely
Few one layer of winding layer, the winding layer is wound on the periphery of central tube, in use, winding layer can for one layer, two layers or
Person's more layers, specifically depends on the circumstances, when using multilaminate coiled layer, these winding layers be layered on top of each other then unified one end with
Central tube peripheral wall is connected；The winding layer includes: a water inlet filter 20, and it is anti-that the water inlet filter upper and lower end face is provided with first
Permeate diaphragm 30 and the second reverse osmosis membrane 40, the front of first reverse osmosis membrane and the second reverse osmosis membrane towards into
Water filter can make the front of two reverse osmosis membranes drain concentrated water, first reverse osmosis membrane and the second reverse osmosis in this way
The reverse side of permeable membrane piece, which couples, pure water selvage guide 70, in a use process, the first reverse osmosis membrane and the second reverse osmosis membrane
Reverse side one pure water selvage guide is all set, make to drain pure water between two reverse osmosis membranes and pure water selvage guide in this way；Above-mentioned water inlet every
Net, the first reverse osmosis membrane, pure water selvage guide, the second reverse osmosis membrane are wound on central tube periphery.
In order to make the restriction of flow direction, two widthwise edges 31 in first reverse osmosis membrane front 32 are provided with
Three adhesive waterproof tapes 53.Vertical edges 41 of the second reverse osmosis membrane reverse side 43 close to central tube and the vertical edges far from central tube
42 are provided with the first adhesive waterproof tape 51.One widthwise edge 45 of the second reverse osmosis membrane reverse side is provided with the second adhesive waterproof tape
52.The both ends of second adhesive waterproof tape are connected with two first adhesive waterproof tapes.Reference book attached drawing, two third marine glues
The setting of band is discharged concentrated water from the one direction of widthwise edge, and pure water past vertical edges under the action of the first adhesive waterproof tape
Both direction is discharged, and the second adhesive waterproof tape is connected with two the first adhesive waterproof tapes, and pure water may be implemented from vertical edges
One direction is discharged.Likewise, the reverse side of the first reverse osmosis membrane can also as the reverse side of the second reverse osmosis membrane into
The same gluing processing of row, forms corresponding adhesive waterproof tape；The front of second reverse osmosis membrane can also with it is first reverse osmosis
The front of diaphragm equally carries out same gluing processing, forms corresponding adhesive waterproof tape.
In a preferred embodiment of the present invention, in one embodiment of the invention, the both ends of the central tube periphery wall be provided with
The 4th adhesive waterproof tape 60 that second adhesive waterproof tape matches, the 4th adhesive waterproof tape are looped around central tube periphery wall periphery, ginseng
Examine Figure of description.In one embodiment, central, tubular is extended into the 4th marine glue in gluing the second adhesive waterproof tape of formation
Band prevents leak, in another embodiment, concave ring can be arranged at the peripheral wall both ends of central tube, glue can enter concave ring, make
4th adhesive waterproof tape is preferably in conjunction with groove.4th adhesive waterproof tape can form the second adhesive waterproof tape convenient for winding
The gluing work to the 4th adhesive waterproof tape is completed at the same time when gluing, the widthwise edge of the second reverse osmosis membrane fits with it,
And second reverse osmosis membrane vertical dimension being equidistant between two the 4th adhesive waterproof tapes, make each of entire winding layer
Portion size is corresponding.
The invention also discloses another technical characteristics:
A kind of preparation method for the wound membrane structure improving reverse-osmosis membrane element flux,
S1, it will wherein a pure water selvage guide one end and central tube peripheral wall be connected；
S2, it is placed on the first reverse osmosis membrane is face-up above the pure water selvage guide, and in the first reverse osmosis membrane
Positive two widthwise edge gluings form third adhesive waterproof tape；
S3, water inlet filter is placed in the first reverse osmosis membrane upper front；
S4, being placed on the second reverse osmosis membrane face down on water filter are leaned in the second reverse osmosis membrane reverse side
The vertical edges of nearly central tube and the vertical edges gluing far from central tube form the first adhesive waterproof tape；
S5, another pure water selvage guide is placed in the top of the second reverse osmosis membrane reverse side；
S6, by the pure water selvage guide being sequentially placed, the first reverse osmosis membrane, water inlet filter, the second reverse osmosis membrane, another
Pure water selvage guide is wound on central tube periphery.
In the present invention, the second adhesive waterproof tape will be formed in a widthwise edge gluing of the second reverse osmosis membrane reverse side in S4,
The both ends of second adhesive waterproof tape are connected with two first adhesive waterproof tapes.
In the embodiment of the present invention, the central tube, one end has water inlet, and peripheral wall is equipped with water outlet, these water outlets can
Strip mouth is thought, or the water outlet vertically arranged, with specific reference to Figure of description.The reverse-osmosis membrane element, can have on
State a winding layer or multiple winding layers composition.
Water process processed of the invention: raw water flows into inside central tube from central tube one end, from going out for the peripheral wall of central tube
What the mouth of a river was evenly distributed flows to reverse osmosis membrane front, and pure water is flowed out from the reverse side of reverse osmosis membrane, along reverse osmosis membrane in
One end face of heart pipe or two end face outflows.The water not filtered is behind reverse osmosis membrane front, from the another of separate central tube
Side outflow.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and
Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of protection of the claims.
Claims (9)
1. a kind of wound membrane structure for improving reverse-osmosis membrane element flux characterized by comprising
One central tube, the central tube Single port are water inlet end, are provided with water outlet on the central tube peripheral wall；And it is at least one layer of
Winding layer；The winding layer includes:
One water inlet filter, the water inlet filter upper and lower end face is provided with the first reverse osmosis membrane and the second reverse osmosis membrane, described
The front of first reverse osmosis membrane and the second reverse osmosis membrane is towards water inlet filter, and first reverse osmosis membrane and second is instead
The reverse side of infiltration diaphragm, which couples, pure water selvage guide；
Above-mentioned water inlet filter, the first reverse osmosis membrane, pure water selvage guide, the second reverse osmosis membrane are wound on central tube periphery.
2. a kind of wound membrane structure for improving reverse-osmosis membrane element flux according to claim 1, which is characterized in that described the
Positive two widthwise edges of one reverse osmosis membrane are provided with third adhesive waterproof tape.
3. according to claim 1 or a kind of wound membrane structure of 2 any raising reverse-osmosis membrane element flux, feature exist
In vertical edges of the second reverse osmosis membrane reverse side close to central tube and the vertical edges far from central tube are provided with the first waterproof
Adhesive tape.
4. a kind of wound membrane structure for improving reverse-osmosis membrane element flux according to claim 3, which is characterized in that described the
One widthwise edge of two reverse osmosis membrane reverse side is provided with the second adhesive waterproof tape.
5. a kind of wound membrane structure for improving reverse-osmosis membrane element flux according to claim 4, which is characterized in that described the
The both ends of two adhesive waterproof tapes are connected with two first adhesive waterproof tapes.
6. a kind of wound membrane structure for improving reverse-osmosis membrane element flux according to claim 5, which is characterized in that in described
The both ends of heart pipe periphery wall are provided with the 4th adhesive waterproof tape matched with the second adhesive waterproof tape, and the 4th adhesive waterproof tape is surround
In central tube periphery wall periphery.
7. a kind of preparation method of the wound membrane structure of above-mentioned raising reverse-osmosis membrane element flux, which is characterized in that
S1, it will wherein a pure water selvage guide one end and central tube peripheral wall be connected；
S2, it is placed on the first reverse osmosis membrane is face-up above the pure water selvage guide, and in the first reverse osmosis membrane front
Two widthwise edge gluings formed third adhesive waterproof tape；
S3, water inlet filter is placed in the first reverse osmosis membrane upper front；
S4, being placed on the second reverse osmosis membrane face down on water filter, in the second reverse osmosis membrane reverse side in
The vertical edges of heart pipe and the vertical edges gluing of separate central tube form the first adhesive waterproof tape；
S5, another pure water selvage guide is placed in the top of the second reverse osmosis membrane reverse side；
S6, by the pure water selvage guide being sequentially placed, the first reverse osmosis membrane, water inlet filter, the second reverse osmosis membrane, another pure water
Selvage guide is wound on central tube periphery.
8. preparation method according to claim 6, which is characterized in that will be in S4, in the second reverse osmosis membrane reverse side
One widthwise edge gluing forms the second adhesive waterproof tape, and the both ends of second adhesive waterproof tape are connected with two first adhesive waterproof tapes.
9. a kind of preparation method according to claim 7 or 8, which is characterized in that in S6, the two of central tube before winding
End carries out gluing and forms the 4th adhesive waterproof tape, cooperates the 4th adhesive waterproof tape with the second adhesive waterproof tape and couples.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257968.5A CN109999671A (en) | 2019-04-01 | 2019-04-01 | A kind of wound membrane structure and preparation method thereof improving reverse-osmosis membrane element flux |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257968.5A CN109999671A (en) | 2019-04-01 | 2019-04-01 | A kind of wound membrane structure and preparation method thereof improving reverse-osmosis membrane element flux |
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| Publication Number | Publication Date |
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| CN109999671A true CN109999671A (en) | 2019-07-12 |
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| CN201910257968.5A Pending CN109999671A (en) | 2019-04-01 | 2019-04-01 | A kind of wound membrane structure and preparation method thereof improving reverse-osmosis membrane element flux |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694481A (en) * | 2019-10-08 | 2020-01-17 | 佛山市麦克罗美的滤芯设备制造有限公司 | Method for manufacturing reverse osmosis membrane element |
| CN112403275A (en) * | 2019-08-20 | 2021-02-26 | 佛山市顺德区美的饮水机制造有限公司 | Method for manufacturing reverse osmosis membrane 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 |
| CN114259873A (en) * | 2021-12-28 | 2022-04-01 | 佛山市麦克罗美的滤芯设备制造有限公司 | Multi-membrane reverse osmosis membrane element rolling method |
| CN114849482A (en) * | 2022-06-21 | 2022-08-05 | 杭州苏博瑞驰科技有限公司 | Flow stabilizing type flow channel membrane element and production process |
| CN115634574A (en) * | 2022-11-18 | 2023-01-24 | 佛山市芯耀环保科技有限公司 | Roll up membrane structure and filter core |
| WO2023246741A1 (en) * | 2022-06-21 | 2023-12-28 | 杭州苏博瑞驰科技有限公司 | Raw-water partial flow guide membrane element and filter element |
-
2019
- 2019-04-01 CN CN201910257968.5A patent/CN109999671A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403275A (en) * | 2019-08-20 | 2021-02-26 | 佛山市顺德区美的饮水机制造有限公司 | Method for manufacturing reverse osmosis membrane element |
| CN112403275B (en) * | 2019-08-20 | 2022-05-20 | 佛山市顺德区美的饮水机制造有限公司 | Method for manufacturing reverse osmosis membrane element |
| CN110694481A (en) * | 2019-10-08 | 2020-01-17 | 佛山市麦克罗美的滤芯设备制造有限公司 | Method for manufacturing reverse osmosis membrane 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 |
| 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 |
| CN114259873A (en) * | 2021-12-28 | 2022-04-01 | 佛山市麦克罗美的滤芯设备制造有限公司 | Multi-membrane reverse osmosis membrane element rolling method |
| CN114849482A (en) * | 2022-06-21 | 2022-08-05 | 杭州苏博瑞驰科技有限公司 | Flow stabilizing type flow channel membrane element and production process |
| WO2023246741A1 (en) * | 2022-06-21 | 2023-12-28 | 杭州苏博瑞驰科技有限公司 | Raw-water partial flow guide membrane element and filter element |
| WO2023246738A1 (en) * | 2022-06-21 | 2023-12-28 | 杭州苏博瑞驰科技有限公司 | End surface confluence-type filter element assembly and filter element |
| CN115634574A (en) * | 2022-11-18 | 2023-01-24 | 佛山市芯耀环保科技有限公司 | Roll up membrane structure and filter core |
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