CN206315683U - Reverse-osmosis membrane element - Google Patents
Reverse-osmosis membrane element Download PDFInfo
- Publication number
- CN206315683U CN206315683U CN201621127892.2U CN201621127892U CN206315683U CN 206315683 U CN206315683 U CN 206315683U CN 201621127892 U CN201621127892 U CN 201621127892U CN 206315683 U CN206315683 U CN 206315683U
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- CN
- China
- Prior art keywords
- osmosis membrane
- reverse
- reverse osmosis
- monofilm
- producing pipe
- Prior art date
- 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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- 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 discloses a kind of reverse-osmosis membrane element, including water producing pipe and the monofilm bag membrane module on water producing pipe；Monofilm bag membrane module includes runner cloth, the first reverse osmosis membrane, water inlet filter and the second reverse osmosis membrane being cascading, wherein, the side of runner cloth is connected with water producing pipe, the side of the close water producing pipe of the first reverse osmosis membrane and a side bonds of the close water producing pipe of the second reverse osmosis membrane.The utility model connects the first reverse osmosis membrane with the second reverse osmosis membrane by bonding mode, therefore the folding times of diaphragm are greatly reduced, so that winding process is more smooth, it not only can guarantee that sealing effectiveness, reduce the risk of salt ion seepage, also it is avoided that diaphragm desalination layer is damaged, it is ensured that and improve the salt rejection rate of reverse-osmosis membrane element.
Description
Technical field
The utility model is related to technical field of water purification, in particular to a kind of reverse-osmosis membrane element.
Background technology
The reverse-osmosis membrane element of prior art is when rolling, because the positive desalination layer of the diaphragm of folding line position is easily damaged, meeting
Cause the overall salt rejection rate of membrane component to decline, it is even unqualified the problem of and drawback.
For example, membrane component of the prior art it is general by single page film or multipage film by manually rolling completion, prepare respectively
Into single page membrane component or multipage membrane component, wherein, middle one layer of water inlet filter, one group of film of formation is placed after the advance doubling of every page of film
Piece group.Therefore, for the more membrane components of number of pages, folding position is more, and diaphragm desalination layer damaged risk is bigger, and salt rejection rate is by shadow
Sound is bigger, so as to cause the seepage of salt ion.When folding times increase, the increase of accumulation salt ion infiltration capacity ultimately results in film
The salt rejection rate of element declines, and influences filter effect.
In addition, in winding process, can occur relative displacement between each tunic piece, so the folding position away from center pipe end
Putting to change, easily occur wrinkle and cause sealing it is bad cause diaphragm seepage, cause sealing it is not good.
Utility model content
A kind of reverse-osmosis membrane element is provided in the utility model embodiment, with solve in the prior art diaphragm desalination layer easily by
Damage so as to fruit, and sealing effectiveness it is bad the problem of.
To achieve the above object, the utility model embodiment provides a kind of reverse-osmosis membrane element, including water producing pipe and winding
Monofilm bag membrane module on water producing pipe；Monofilm bag membrane module include be cascading runner cloth, the first reverse osmosis membrane,
Water inlet filter and the second reverse osmosis membrane, wherein, the side of runner cloth is connected with water producing pipe, the close production of the first reverse osmosis membrane
The side of water pipe and a side bonds of the close water producing pipe of the second reverse osmosis membrane.
Preferably, the first reverse osmosis membrane towards being provided with the first U-shaped adhered layer, the first U on the surface of runner cloth
The opening of shape adhered layer is towards water producing pipe, and the first reverse osmosis membrane is Nian Jie with runner cloth by the first U-shaped adhered layer.
Preferably, being provided with opening the towards water producing pipe on the surface of the remote water inlet filter of the second reverse osmosis membrane
Two U-shaped adhered layers.
Preferably, reverse-osmosis membrane element includes multiple monofilm bag membrane modules being cascading, two neighboring monofilm
Lead between the runner cloth of the monofilm bag membrane module of bag membrane module and the second reverse osmosis membrane of another monofilm bag membrane module
Cross corresponding second U-shaped adhered layer bonding.
Preferably, the first U-shaped adhered layer and/or the second U-shaped adhered layer are fluid sealant.
Preferably, the first reverse osmosis membrane and the second reverse osmosis membrane in each monofilm bag membrane module are viscous by diaphragm
Layer bonding is tied, the diaphragm tack coat and the first U-shaped adhered layer or the second U-shaped adhered layer in each monofilm bag membrane module are at this
Each monofilm bag membrane module surrounds the figure of a closing when being in its flat presentation.
Preferably, the figure of closing is rectangle.
The utility model connects the first reverse osmosis membrane with the second reverse osmosis membrane by bonding mode, therefore
Greatly reduce the folding times of diaphragm, so that winding process is more smooth, not only can guarantee that sealing effectiveness, reduce salt from
The risk of sub- seepage, moreover it is possible to avoid diaphragm desalination layer from being damaged, it is ensured that and improve the salt rejection rate of reverse-osmosis membrane element.
Brief description of the drawings
Fig. 1 is the structural representation of the reverse-osmosis membrane element of the utility model embodiment.
Description of reference numerals：1st, water producing pipe；2nd, runner cloth；3rd, the first reverse osmosis membrane；4th, water inlet filter；5th, the second reverse osmosis
Permeable membrane piece；6th, the second U-shaped adhered layer；7th, diaphragm tack coat；8th, through hole.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as to this practicality
New restriction.
Therefore, the utility model provides a kind of reverse-osmosis membrane element as shown in Figure 1, it includes water producing pipe 1 and winding
Monofilm bag membrane module on water producing pipe 1.Multiple through holes 8 are formed with the tube wall of water producing pipe 1.
Wherein, monofilm bag membrane module includes the runner cloth 2 being cascading, the first reverse osmosis membrane 3, water inlet filter 4
With the second reverse osmosis membrane 5.As shown in figure 1, it is easy to operate during in order to make, when monofilm bag membrane module is in its flat presentation
When, runner cloth 2, the first reverse osmosis membrane 3, the water inlet reverse osmosis membrane 5 of filter 4 and second are set from the bottom to top successively.
The side of runner cloth 2 is connected with water producing pipe 1 for example, by modes such as welding, then around one to two on water producing pipe 1
Circle, so that the two be connected.More particularly, the utility model is by the close water producing pipe 1 of the first reverse osmosis membrane 3
Side and a side bonds of the close water producing pipe 1 of the second reverse osmosis membrane 5.
Then, then monofilm bag membrane module circle it is wound on water producing pipe 1, you can the counter-infiltration membrane element in the utility model is made
Part.
Because the utility model has connected the first reverse osmosis membrane 3 with the second reverse osmosis membrane 5 by bonding mode
Come, therefore greatly reduce the folding times of diaphragm, so that winding process is more smooth, not only can guarantee that sealing effectiveness,
Reduce the risk of salt ion seepage, moreover it is possible to avoid diaphragm desalination layer from being damaged, it is ensured that and improve the salt rejection rate of reverse-osmosis membrane element.
In a preferred embodiment, in order to by monofilm bag membrane module in the first reverse osmosis membrane 3 be connected with runner cloth 2
Get up, the utility model can be in the first reverse osmosis membrane 3 towards passing through coating adhesive or Continuous pressing device for stereo-pattern etc. on the surface of runner cloth 2
Mode forms the first U-shaped adhered layer, and the opening of the first U-shaped adhered layer is towards water producing pipe 1, and so, the first reverse osmosis membrane 3 can lead to
The first U-shaped adhered layer is crossed to paste on runner cloth 2, and close to water producing pipe 1 side formed one opening and other three sides are close
The structure of envelope.
Similarly, the utility model also forms one on the surface of the remote water inlet filter 4 of the second reverse osmosis membrane 5 and opened
Second U-shaped adhered layer 6 of the mouth towards water producing pipe 1.So, can be with when the utility model only has monofilm bag membrane module
Opposite side using the second U-shaped adhered layer 6 when rolling with runner cloth 2 is connected.Further, when the reverse osmosis in the utility model
, will also be two neighboring using the second U-shaped adhered layer 6 when membrane element includes the multiple monofilm being cascading bag membrane modules
The runner cloth 2 of that monofilm above bag membrane module of monofilm bag membrane module with positioned at the of that monofilm of lower section bag membrane module
It is bonded between two reverse osmosis membranes 5 by corresponding second U-shaped adhered layer 6.It is highly preferred that the first U-shaped in the utility model
Adhered layer and/or the second U-shaped adhered layer 6 are fluid sealant, and it can be set by the way of coating.
Preferably, the first reverse osmosis membrane 3 and the second reverse osmosis membrane 5 in each monofilm bag membrane module are viscous by diaphragm
Knot layer 7 is bonded.In order to reach 6 points of 7 and second U-shaped adhered layer of diaphragm tack coat in preferably sealing effectiveness, the utility model
Four edges of the first reverse osmosis membrane 3 and the second reverse osmosis membrane 5 not along rectangle are set, more specifically, each monofilm
The U-shaped adhered layer of diaphragm tack coat 7 and first or the second U-shaped adhered layer 6 in bag membrane module is at each monofilm bag membrane module
The figure of a closing is surrounded when its flat presentation, such as rectangle.
Certainly, above is preferred embodiment of the present utility model.It should be pointed out that for the ordinary skill of the art
For personnel, on the premise of the utility model general principle is not departed from, some improvements and modifications can also be made, these improvement
Protection domain of the present utility model is also considered as with retouching.
Claims (7)
1. a kind of reverse-osmosis membrane element, it is characterised in that the monofilm including water producing pipe (1) and on the water producing pipe (1)
Bag membrane module；
The monofilm bag membrane module includes the runner cloth (2) being cascading, the first reverse osmosis membrane (3), water inlet filter (4)
With the second reverse osmosis membrane (5), wherein, the side of the runner cloth (2) is connected with the water producing pipe (1), first reverse osmosis
The side of the close water producing pipe (1) of permeable membrane piece (3) and the close water producing pipe (1) of second reverse osmosis membrane (5)
A side bonds.
2. reverse-osmosis membrane element according to claim 1, it is characterised in that the direction of first reverse osmosis membrane (3)
It is provided with the first U-shaped adhered layer on the surface of the runner cloth (2), the opening of the first U-shaped adhered layer is towards the production water
Manage (1), first reverse osmosis membrane (3) is Nian Jie with the runner cloth (2) by the first U-shaped adhered layer.
3. reverse-osmosis membrane element according to claim 2, it is characterised in that second reverse osmosis membrane (5) it is remote
Second U-shaped adhered layer (6) of the opening towards the water producing pipe (1) is provided with the surface of the water inlet filter (4).
4. reverse-osmosis membrane element according to claim 3, it is characterised in that the reverse-osmosis membrane element include it is multiple successively
The monofilm bag membrane module being stacked, the runner cloth of the monofilm bag membrane module of the two neighboring monofilm bag membrane module
(2) it is bonded between the second reverse osmosis membrane (5) of another monofilm bag membrane module by corresponding second U-shaped adhered layer (6).
5. reverse-osmosis membrane element according to claim 3, it is characterised in that the first U-shaped adhered layer and/or described
Two U-shaped adhered layers (6) are fluid sealant.
6. reverse-osmosis membrane element according to claim 3, it is characterised in that described in each monofilm bag membrane module
First reverse osmosis membrane (3) is Nian Jie by diaphragm tack coat (7) with second reverse osmosis membrane (5), each monofilm
The diaphragm tack coat (7) and the first U-shaped adhered layer or the second U-shaped adhered layer (6) in bag membrane module is every at this
The individual monofilm bag membrane module surrounds the figure of a closing when being in its flat presentation.
7. reverse-osmosis membrane element according to claim 6, it is characterised in that the figure of the closing is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621127892.2U CN206315683U (en) | 2016-10-17 | 2016-10-17 | Reverse-osmosis membrane element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621127892.2U CN206315683U (en) | 2016-10-17 | 2016-10-17 | Reverse-osmosis membrane element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206315683U true CN206315683U (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621127892.2U Active CN206315683U (en) | 2016-10-17 | 2016-10-17 | Reverse-osmosis membrane element |
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| CN (1) | CN206315683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106474929A (en) * | 2016-10-17 | 2017-03-08 | 珠海格力电器股份有限公司 | Reverse-osmosis membrane element and preparation method thereof |
-
2016
- 2016-10-17 CN CN201621127892.2U patent/CN206315683U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106474929A (en) * | 2016-10-17 | 2017-03-08 | 珠海格力电器股份有限公司 | Reverse-osmosis membrane element and preparation method thereof |
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