CN208660832U - A kind of coiled reverse osmosis membrane element - Google Patents
A kind of coiled reverse osmosis membrane element Download PDFInfo
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- CN208660832U CN208660832U CN201821214667.1U CN201821214667U CN208660832U CN 208660832 U CN208660832 U CN 208660832U CN 201821214667 U CN201821214667 U CN 201821214667U CN 208660832 U CN208660832 U CN 208660832U
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- Prior art keywords
- reverse osmosis
- osmosis membrane
- filter
- pure water
- membrane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model belongs to Water warfare field more particularly to a kind of coiled reverse osmosis membrane element.Membrane component provided by the utility model includes the central tube that several pure water flow-guiding mouths are provided on tube wall and the membrane module on the outside of the central tube, the membrane module includes the opening reverse osmosis membrane bag being connected with the pure water flow-guiding mouth and the water inlet filter layer being superimposed upon in the reverse osmosis membrane bag, and the water inlet filter layer includes at least two layers of filter.In the present invention, raw water enters reverse osmosis membrane front by filter layer of intaking, and pure water is generated inside film bag by the filtering of reverse osmosis membrane, pure water enters the inner cavity of central tube through pure water flow-guiding mouth later, finally exports.The utility model replaces single layer filter using multilayer water inlet filter, can not only reduce high hydraulic pressure to the impact force of reverse osmosis membrane desalination layer, to improve desalination layer stability, and then improves the water quality and service life processed of membrane component；Simultaneously the water inlet flow channel height of membrane component can also increased, improve water efficiency processed.
Description
Technical field
The utility model belongs to Water warfare field more particularly to a kind of coiled reverse osmosis membrane element.
Background technique
With the acceleration of Chinese Industrialization process, more and more surface water are contaminated, and water quality can not directly be drunk,
Household water filter progresses into huge numbers of families, and current water purifier generally includes 5 grades of filterings, is followed successively by PP cotton filter element, preposition work
Property filtration core, ultrafiltration membrane filter element, reverse osmosis (RO) membrane filter, post active carbon filter core, wherein reverse osmosis (RO) membrane filter rise to the end
Level-one film filtration, the removal of heavy metal relies primarily on reverse osmosis membrane filter element, therefore reverse-osmosis membrane element is to the net of water purifier
Water effect plays decisive role.No matter industrial water purifier or household, public place water purifier, require to regularly replace
Filter core, therefore how to obtain that water processed is high-efficient, reverse-osmosis membrane element with long service life is further important.
In the prior art, usually first by a piece of reverse osmosis membrane doubling, a piece of pure water flow-guiding cloth is placed in centre, by close
Envelope forms a leaf film bag, and a membrane component is usually made of two leaf film bags, and water inlet filter is placed among two leaf film bags, the knot
Two reverse osmosis membrane fronts of membrane component of structure only have one layer of water inlet filter, and filter reticulated cell of intaking is very big, when hydraulic pressure is higher
When, the positive desalination layer of film is easily damaged, and then purifying water effect is caused to be affected, while can also reduce the use longevity of membrane component
Life causes consumer to replace membrane filter increased costs.
Utility model content
In view of this, the utility model provides the purpose of this utility model is to provide a kind of coiled reverse osmosis membrane element
Membrane component can be relieved damage of the hydraulic pressure to reverse osmosis membrane desalination layer in membrane component, improve membrane component water quality processed and make
Use the service life.
The utility model provides a kind of coiled reverse osmosis membrane element, including being provided with several pure water flow-guiding mouths on tube wall
Central tube and the membrane module on the outside of the central tube, the membrane module include that opening is connected with the pure water flow-guiding mouth
Reverse osmosis membrane bag and the water inlet filter layer that is superimposed upon in the reverse osmosis membrane bag, the water inlet filter layer including at least two layers every
Net.
Preferably, big mesh filter or fine and close filter is selected independently in every layer of filter；
The adjacent twine spacing of the big mesh filter is 3~6mm；
The mesh mesh number of the densification filter is 30~300 mesh.
Preferably, the big mesh filter with a thickness of 0.5~1mm；
It is described densification filter with a thickness of 0.05~0.1mm.
Preferably, the reverse osmosis membrane bag includes the first reverse osmosis membrane, the second reverse osmosis membrane, pure water flow-guiding cloth and bonding
Portion, the pure water flow-guiding cloth are arranged between first reverse osmosis membrane and the second reverse osmosis membrane, and the bonding part is by described the
One reverse osmosis membrane, pure water flow-guiding cloth and the second reverse osmosis membrane bond to form film bag.
Preferably, the thickness of first reverse osmosis membrane and the second reverse osmosis membrane is 100~200 μm.
Preferably, the pure water flow-guiding cloth with a thickness of 0.15~0.3mm, grammes per square metre is 70~110g/m2。
Preferably, the membrane module includes at least two reverse osmosis membrane bags being superimposed, each reverse osmosis membrane
The opening of bag is connected with the pure water flow-guiding mouth；Water inlet filter layer setting every two adjacent reverse osmosis membrane bag it
Between.
Compared with prior art, the utility model provides a kind of coiled reverse osmosis membrane element.It is provided by the utility model
Membrane component includes the central tube that several pure water flow-guiding mouths are provided on tube wall and the membrane module on the outside of the central tube, institute
Stating membrane module includes the reverse osmosis membrane bag and be superimposed upon in the reverse osmosis membrane bag that opening is connected with the pure water flow-guiding mouth
Water inlet filter layer, the water inlet filter layer include at least two layers of filter.In the present invention, raw water by water inlet filter layer into
Enter reverse osmosis membrane front, pure water is generated inside film bag by the filtering of reverse osmosis membrane, pure water enters through pure water flow-guiding mouth later
The inner cavity of central tube, finally exports.The utility model replaces single layer filter using multilayer water inlet filter, can not only reduce Gao Shui
The impact force to reverse osmosis membrane desalination layer is pressed, to improve desalination layer stability, and then the water quality processed of membrane component is improved and makes
Use the service life；Simultaneously the water inlet flow channel height of membrane component can also increased, improve water efficiency processed.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is coiled reverse osmosis membrane element structural schematic diagram provided by the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of coiled reverse osmosis membrane element, including being provided with several pure water flow-guiding mouths on tube wall
Central tube and the membrane module on the outside of the central tube, the membrane module include that opening is connected with the pure water flow-guiding mouth
Reverse osmosis membrane bag and the water inlet filter layer that is superimposed upon in the reverse osmosis membrane bag, the water inlet filter layer including at least two layers every
Net.
It is coiled reverse osmosis membrane element structural schematic diagram provided by the embodiment of the utility model with reference to Fig. 1, Fig. 1.In Fig. 1,1
Centered on manage, 2 be big mesh filter, and 3 be fine and close filter, and 4 be water inlet filter layer, and 5 be the first reverse osmosis membrane, and 6 be pure water water conservancy diversion
Cloth, 7 be the second reverse osmosis membrane.
Coiled reverse osmosis membrane element provided by the utility model includes central tube 1 and membrane module, wherein the pipe of central tube 1
Several pure water flow-guiding mouths are provided on wall, inner cavity is pure water delivery channel.
In the present invention, the membrane module is wound on the outside of central tube 1, including reverse osmosis membrane bag and is superimposed upon described
Water inlet filter layer 4 in reverse osmosis membrane bag.In one embodiment provided by the utility model, the membrane module includes at least two
A reverse osmosis membrane bag being superimposed, the water inlet filter layer 4 are arranged between every two adjacent reverse osmosis membrane bag.
In the present invention, water inlet filter layer 4 is for constituting the water inlet flow channel that raw water enters reverse osmosis membrane bag, at least
Including two layers of filter.In one embodiment provided by the utility model, every layer of filter can be selected independently big mesh every
Net 2 or fine and close filter 3.In one embodiment provided by the utility model, the adjacent twine spacing of big mesh filter 2 is preferably
3~6mm；The thickness of big mesh filter 2 is preferably 0.5~1mm, more preferably 0.71~0.86mm；The material of big mesh filter 21
It is of fine quality to be selected as polypropylene.In one embodiment provided by the utility model, the mesh mesh number preferably 30~300 of fine and close filter 3
Mesh, to guarantee that water inlet efficiency cannot be sacrificed while improving membrane component anti-pressure ability；The thickness of fine and close filter 3 is preferably 0.05
~0.1mm；The material of fine and close filter 3 is preferably polyester.
In the present invention, the reverse osmosis membrane bag is for filtering raw water, and film bag inner cavity, which is formed, produces water flow passage, film bag
Opening is connected with the pure water flow-guiding mouth.In one embodiment provided by the utility model, the reverse osmosis membrane bag is preferred
Including the first reverse osmosis membrane 5, pure water flow-guiding cloth 6, the second reverse osmosis membrane 7 and bonding part, pure water flow-guiding cloth 6 is arranged in the first reverse osmosis
Between permeable membrane 5 and the second reverse osmosis membrane 7, the bonding part is by the first reverse osmosis membrane 5, pure water flow-guiding cloth 6 and the second reverse osmosis membrane 7
Bonding forms film bag.The utility model reverse osmosis structure provided by the above embodiment can be avoided a piece of reverse osmosis in traditional technology
It is impaired that film is folded to form anti-seepage membrane desalination layer caused by film bag.In one embodiment provided by the utility model, the first reverse osmosis
The thickness of permeable membrane 5 and the second reverse osmosis membrane 7 is preferably all 100~200 μm, and concretely 130 μm.Provided by the utility model
In one embodiment, the thickness of pure water flow-guiding cloth 6 is preferably 0.15~0.3mm, more preferably 0.21~0.24mm；Pure water water conservancy diversion
The grammes per square metre of cloth 6 is preferably 70~110g/m2, more preferably 77~99g/m2。
The coiled reverse osmosis membrane element course of work provided by the utility model is as follows: raw water is entered anti-by water inlet filter layer
Permeable membrane front, generates pure water by the filtering of reverse osmosis membrane, pure water enters center through pure water flow-guiding mouth later inside film bag
The inner cavity of pipe, finally exports.
The utility model replaces single layer filter using multilayer water inlet filter, and it is de- to reverse osmosis membrane can not only to reduce high hydraulic pressure
The impact force of salt deposit to improve desalination layer stability, and then improves the water quality and service life processed of membrane component；May be used also simultaneously
Increase the water inlet flow channel height of membrane component, improves water efficiency processed.In optimal technical scheme provided by the utility model, reverse osmosis
Permeable membrane bag is formed by two panels reverse osmosis membrane gluing, can be avoided caused by a piece of reverse osmosis membrane is folded to form film bag in traditional technology
Anti-seepage membrane desalination layer is impaired.
For the sake of becoming apparent from, it is described in detail below by following embodiment.
Embodiment
As shown in Figure 1, coiled reverse osmosis membrane element provided in this embodiment includes central tube 1 and wound on the central tube
The membrane module in outside, several pure water flow-guiding mouths are provided on the tube wall of central tube 1, and inner cavity is pure water delivery channel；The film group
Part includes two reverse osmosis membrane bags (one of them is not marked in Fig. 1), setting water inlet filter layer 4 between two film bags；It is described
Reverse osmosis membrane bag is formed by the bonding of the first reverse osmosis membrane 5, pure water flow-guiding cloth 6 and the second reverse osmosis membrane 7, the opening of reverse osmosis membrane bag
It is connected to the pure water flow-guiding mouth of central tube；Filter layer 4 of intaking includes one layer big mesh filter 2 and one layer of fine and close filter 3.In this reality
It applies in example, the inner cavity of reverse osmosis membrane bag is to produce water flow passage, and the interlayer of two reverse osmosis membrane bags and water inlet filter layer 4 is feed water flow
Road.
In the present embodiment, raw water enters 5,7 front of reverse osmosis membrane by water inlet filter layer 4, passes through the mistake of reverse osmosis membrane
Filter generates pure water inside film bag, and pure water enters the inner cavity of central tube 1 through pure water flow-guiding mouth later, finally exports.
The present embodiment replaces single layer filter using multilayer water inlet filter, can not only reduce high hydraulic pressure to reverse osmosis membrane desalination
The impact force of layer to improve desalination layer stability, and then improves the water quality and service life processed of membrane component；Can also it make simultaneously
The water inlet flow channel height of membrane component increases, and improves water efficiency processed.Further, since the reverse osmosis membrane bag of the present embodiment is by two panels reverse osmosis
Permeable membrane gluing forms, therefore can be avoided a piece of reverse osmosis membrane in traditional technology and be folded to form anti-seepage membrane desalination layer caused by film bag
It is impaired.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of coiled reverse osmosis membrane element, including being provided with the central tube of several pure water flow-guiding mouths on tube wall and wound on described
Membrane module on the outside of central tube, the membrane module include the reverse osmosis membrane bag and superposition that opening is connected with the pure water flow-guiding mouth
Water inlet filter layer in the reverse osmosis membrane bag, which is characterized in that the water inlet filter layer includes at least two layers of filter.
2. coiled reverse osmosis membrane element according to claim 1, which is characterized in that every layer of filter is selected independently greatly
Mesh filter or fine and close filter；
The adjacent twine spacing of the big mesh filter is 3~6mm；
The mesh mesh number of the densification filter is 30~300 mesh.
3. coiled reverse osmosis membrane element according to claim 2, which is characterized in that the big mesh filter with a thickness of
0.5~1mm；
It is described densification filter with a thickness of 0.05~0.1mm.
4. coiled reverse osmosis membrane element according to claim 1, which is characterized in that the reverse osmosis membrane bag includes first anti-
Permeable membrane, the second reverse osmosis membrane, pure water flow-guiding cloth and bonding part, pure water flow-guiding cloth setting in first reverse osmosis membrane and
Between second reverse osmosis membrane, first reverse osmosis membrane, pure water flow-guiding cloth and the second reverse osmosis membrane are bonded shape by the bonding part
Form a film bag.
5. coiled reverse osmosis membrane element according to claim 4, which is characterized in that first reverse osmosis membrane and second is instead
The thickness of permeable membrane is 100~200 μm.
6. coiled reverse osmosis membrane element according to claim 4, which is characterized in that the pure water flow-guiding cloth with a thickness of
0.15~0.3mm, grammes per square metre are 70~110g/m2。
7. coiled reverse osmosis membrane element according to claim 1, which is characterized in that the membrane module includes at least two folded
The reverse osmosis membrane bag being added together, the opening of each reverse osmosis membrane bag are connected with the pure water flow-guiding mouth；It is described into
Water filter layer is arranged between every two adjacent reverse osmosis membrane bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821214667.1U CN208660832U (en) | 2018-07-27 | 2018-07-27 | A kind of coiled reverse osmosis membrane element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821214667.1U CN208660832U (en) | 2018-07-27 | 2018-07-27 | A kind of coiled reverse osmosis membrane element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208660832U true CN208660832U (en) | 2019-03-29 |
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ID=65832686
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| CN201821214667.1U Active CN208660832U (en) | 2018-07-27 | 2018-07-27 | A kind of coiled reverse osmosis membrane element |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002544A (en) * | 2019-05-08 | 2019-07-12 | 上海凯鑫分离技术股份有限公司 | A kind of technique of high strong brine depth concentration |
| CN111992044A (en) * | 2020-09-11 | 2020-11-27 | 江苏坤奕环境工程有限公司 | Energy-saving ultrahigh-power concentration membrane module, membrane bag thereof, water treatment system and method |
| 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 |
| WO2022032731A1 (en) * | 2020-08-12 | 2022-02-17 | 南京水联天下海水淡化技术研究院有限公司 | Spiral-wound membrane element having scale inhibition function |
-
2018
- 2018-07-27 CN CN201821214667.1U patent/CN208660832U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002544A (en) * | 2019-05-08 | 2019-07-12 | 上海凯鑫分离技术股份有限公司 | A kind of technique of high strong brine depth concentration |
| 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 |
| WO2022032731A1 (en) * | 2020-08-12 | 2022-02-17 | 南京水联天下海水淡化技术研究院有限公司 | Spiral-wound membrane element having scale inhibition function |
| CN111992044A (en) * | 2020-09-11 | 2020-11-27 | 江苏坤奕环境工程有限公司 | Energy-saving ultrahigh-power concentration membrane module, membrane bag thereof, water treatment system and method |
| CN111992044B (en) * | 2020-09-11 | 2022-04-26 | 江苏坤奕环境技术股份有限公司 | Energy-saving ultrahigh-power concentration membrane module, membrane bag thereof, water treatment system and method |
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