CN109019777A - Reverse osmosis membrane filter core and water purifier - Google Patents
Reverse osmosis membrane filter core and water purifier Download PDFInfo
- Publication number
- CN109019777A CN109019777A CN201811069521.7A CN201811069521A CN109019777A CN 109019777 A CN109019777 A CN 109019777A CN 201811069521 A CN201811069521 A CN 201811069521A CN 109019777 A CN109019777 A CN 109019777A
- Authority
- CN
- China
- Prior art keywords
- water inlet
- reverse osmosis
- osmosis membrane
- water
- filter element
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 264
- 239000012528 membrane Substances 0.000 title claims abstract description 80
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 80
- 238000009434 installation Methods 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 239000012466 permeate Substances 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 abstract description 6
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B01D61/08—Apparatus therefor
-
- 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
- B01D63/10—Spiral-wound membrane modules
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to a reverse osmosis membrane filter element and a water purifier, wherein the reverse osmosis membrane filter element comprises: a center piece; the side wall of the water inlet pipe is provided with a plurality of raw water outlet holes, at least one end of the water inlet pipe forms a raw water inlet, and the plurality of water inlet pipes are arranged around the central piece to form a central pipe group; the reverse osmosis membrane group is provided with a plurality of reverse osmosis membrane sheets, the reverse osmosis membrane sheets in the reverse osmosis membrane group penetrate between the central piece and the water inlet pipe and are rolled around the central pipe group to form a water inlet flow passage and a water production flow passage; the reverse osmosis membrane group is still including setting up the graticule mesh of intaking in each water inlet channel, and the initiating side of graticule mesh of intaking is connected with the installation outer wall of inlet tube, and the installation outer wall is the lateral wall that the center piece was kept away from to the inlet tube. The invention provides a reverse osmosis membrane filter element and a water purifier, which can improve the production efficiency of filter element rolling and the water yield of the filter element.
Description
Technical field
The present invention relates to water purification fields, and in particular to a kind of reverse osmosis membrane filter element and water purifier.
Background technique
Existing reverse osmosis membrane filter element includes central tube group and the multiple reverse osmosis membrane bags circumferentially wound around central tube group.
The central tube group includes pure water pipe and around the spaced multiple water inlet pipes of pure water pipe；Reverse osmosis membrane bag includes multiple reverse osmosis
Diaphragm, multiple water inlet grid, multiple pure water selvage guides；Each reverse osmosis membrane bag is worn between pure water pipe and a water inlet pipe in one end
Later doubling, make each reverse osmosis membrane front enclose set to be formed and water inlet pipe together with water inlet flow channel, adjacent reverse osmosis membrane is anti-
Face enclose set to be formed and pure water pipe together with production water flow passage.It is provided in each water inlet flow channel into water grid, which is used for
Water conservancy diversion water inlet filtering；Pure water runner cloth is provided in each pure water runner, which is used for water conservancy diversion pure water collection.
The origination side for grid of intaking first is coated water inlet pipe when rolling by existing reverse osmosis membrane filter element, pure water runner cloth
Origination side coats pure water pipe, then water inlet pipe and pure water pipe is assembled, due to the gap between each water inlet pipe and pure water pipe, with
And being limited between adjacent water inlet pipe and water inlet pipe, and grid of intaking has certain thickness, origination side is in water inlet
It manages and is easy to cause assembly between water inlet pipe and pure water pipe not between pure water pipe or between adjacent water inlet pipe and water inlet pipe
It is good, and then rolling for reverse-osmosis membrane element is influenced, simultaneously as gap is insufficient between water inlet pipe and pure water pipe, it is easy to cause pure
Water pipe periphery pure water runner is not smooth, influences reverse osmosis membrane water yield and service life.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that reverse osmosis membrane filter element in the prior art is overcome to there is assembly not
Good, the low defect of water yield rolls the reverse osmosis of production efficiency and filter core water yield to provide one kind and can be improved filter core
Membrane filter and water purifier.
In order to solve the above technical problems, a kind of reverse osmosis membrane filter element of the invention, comprising:
Central part；
Water inlet pipe, side wall are equipped with several raw water apopores, and at least one end of the water inlet pipe forms raw water inlet,
And several water inlet pipes are arranged to form central tube group around the central part；
Reverse osmosis membrane group, be equipped with it is several, the reverse osmosis membrane in the reverse osmosis membrane group is arranged in the central part
Between the water inlet pipe, and is rolled around the central tube group and be formed with water inlet flow channel, produce water flow passage；The reverse osmosis membrane
Group further includes the water inlet grid being set in each water inlet flow channel, the origination side and the water inlet pipe of the water inlet grid
Outer wall connection is installed, the installation outer wall is side wall of the water inlet pipe far from the central part.
First side of each reverse osmosis membrane from the side of the corresponding water inlet pipe, through the central part with it is described
Gap between water inlet pipe, then rear and reverse osmosis membrane second side doubling back wall is pierced by from the other side of the water inlet pipe
It is rolled around the central tube group, forms the feed water flow being connected to the water inlet pipe between the front of the same reverse osmosis membrane
Road forms between the back side of adjacent two reverse osmosis membrane and produces water flow passage.
The edge parallel with the water inlet pipe length direction of the installation outer wall is first edge, the water inlet grid
Origination side connects with the first edge.
The installation outer wall is arc outer wall.
The entire side of origination side of the water inlet grid is fixedly connected with the installation outer wall or of the water inlet grid
If doing on the side of beginning side is fixedly connected with the installation outer wall.
The origination side of the water inlet grid is ultrasonic bonding or double-sided adhesive with the mode that is fixedly connected of the installation outer wall
Bonding or glue bonding.
The water inlet flow channel forms concentrated water outflux far from the side of the water inlet pipe.
The water inlet grid is stretched out outside the water inlet flow channel far from the side of the water inlet pipe.
The water inlet grid is stretched out 15 to 20mm outside the water inlet flow channel far from the side of the water inlet pipe.
The reverse osmosis membrane filter element further includes the pure water selvage guide being arranged in the production water flow passage.
The entire side of origination side of the pure water selvage guide is fixedly connected with the central part or the starting of the pure water selvage guide
If doing on the side of side is fixedly connected with the central part.
The origination side of the pure water selvage guide is ultrasonic bonding or two-sided gluing with the mode that is fixedly connected of the central part
It connects or glue is bonded.
The central part is pure water pipe, and the side wall of the pure water pipe is equipped with several pure water water inlets, and the pure water pipe
At least one end form pure water outlet, described a side produced in water flow passage far from the pure water pipe, and along the pure water
The two sides of the axial direction of pipe seal.
The central part is center axis, and described a side far from the pure water pipe for producing water flow passage seals, the production water
Side forms pure water outlet at least in the two sides of the axis direction along the central axis of runner.
A kind of water purifier of the invention, including reverse osmosis membrane filter element as described above.
Technical solution of the present invention has the advantages that
1, in the present invention, since the origination side of water inlet grid and the installation outer wall of water inlet pipe connect, it both keeps away in this way
Grid is exempted to intake in the gap between water inlet pipe and central part, has also avoided being between adjacent water inlet pipe into water grid
Gap, therefore, the normal assembly being not only convenient between central part and each water inlet pipe improve filter core and roll production efficiency, meanwhile,
It can prevent from leaking.In addition, central part periphery pure water runner also becomes unimpeded, filter core water yield is improved.
2, in the present invention, it is preferred to which the edge parallel with water inlet pipe length direction for installing outer wall is first edge, water inlet
The origination side of grid connects with first edge.The reverse osmosis membrane group initial position formed in this way is thin, and step is small, at central part not
Easy to leak improves the qualification rate of filter core.
3, in the present invention, water inlet flow channel forms concentrated water outflux, such raw water filtration path far from the side of water inlet pipe
It is elongated, increase the time of contact of raw water and reverse osmosis membrane, raw water filtration is abundant, improves filter core water efficiency.
4, in the present invention, further, water inlet grid is stretched out outside water inlet flow channel far from the side of water inlet pipe.It in this way can be with
Guarantee that concentrated water outflux is constantly in opening-wide state, guarantees that reverse osmosis membrane filter element row's concentrated water is smooth, it is dirty to improve filter core end film surface
Dye, diaphragm production water in end is uniform, further increases filter core flux and service life.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1, for the cross-sectional view of the reverse osmosis membrane filter element for not yet rolling completion of the invention；
Fig. 2, for the cross-sectional view of the reverse osmosis membrane filter element for rolling completion of the invention；
Fig. 3, the anti-of initial position is installed for of the invention being labelled with into water grid installation initial position and pure water selvage guide
Permeate the cross-sectional view (reverse osmosis membrane is not drawn into figure) of membrane filter；
The structural schematic diagram that Fig. 4, reverse osmosis membrane filter element of the invention are unfolded；
Description of symbols:
1- water inlet pipe；2- pure water pipe；3- reverse osmosis membrane；4- pure water selvage guide；5- water inlet grid；6- water inlet grid is installed
Beginning position；7- pure water selvage guide installs initial position；8- water inlet flow channel direction；9- pure water runner direction；10- central axis；A/B/C/
D- water inlet pipe face；A/b/c/d- pure water selvage guide mounting surface, 11- install outer wall.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
As shown in Figs 1-4, a kind of reverse osmosis membrane filter element of the invention, comprising:
Central part；
Water inlet pipe 1, side wall are equipped with several raw water apopores, and at least one end of the water inlet pipe 1 forms raw water water inlet
Mouthful, and several water inlet pipes 1 are arranged to form central tube group around the central part；
Reverse osmosis membrane group, be equipped with it is several, the reverse osmosis membrane 3 in the reverse osmosis membrane group is arranged in the central part
Between the water inlet pipe 1, and is rolled around the central tube group and be formed with water inlet flow channel, produce water flow passage；The reverse osmosis membrane
Piece group further includes the water inlet grid 5 being set in each water inlet flow channel, the origination side of the water inlet grid 5 and the water inlet
The installation outer wall 11 of pipe 1 connects, and the installation outer wall 11 is the side wall of the water inlet pipe 1 far from the central part.
Since the origination side of the water inlet grid 5 is connect with the installation outer wall 11 of the water inlet pipe 1, it both keeps away in this way
Grid 5 of having exempted to intake is in the gap between water inlet pipe 1 and central part, also avoid being in into water grid 5 adjacent water inlet pipe 1 it
Between gap, therefore, the normal assembly being not only convenient between central part and each water inlet pipe 1, improve filter core roll production efficiency, together
When, it can also prevent from leaking.In addition, central part periphery pure water runner also becomes unimpeded, filter core water yield is improved.
When reverse osmosis membrane 3 rolls, the first side of preferably each reverse osmosis membrane 3 is from the corresponding water inlet pipe 1
Side, through the gap between the central part and the water inlet pipe 1, then from the other side of the water inlet pipe 1 be pierced by after and institute
Second side doubling back wall for stating reverse osmosis membrane 3 is rolled around the central tube group, between the front of the same reverse osmosis membrane 3
The water inlet flow channel being connected to the water inlet pipe 1 is formed, is formed between the back side of adjacent two reverse osmosis membrane 3 and produces water flow passage.
Further, the edge parallel with 1 length direction of water inlet pipe of the preferably described installation outer wall 11 is the first side
The origination side of edge, the water inlet grid 5 connects with the first edge.The reverse osmosis membrane group initial position formed in this way is thin,
Step is small, and not easy to leak at central part improves the qualification rate of filter core.The first edge is A point, B point, C point, D point in Fig. 1
At meaning, filter core is counterclockwise to roll in Fig. 1, and certainly, if filter core is when rolling clockwise, which is
The edge of the other side of outer wall 11 is installed.
It is preferred that the installation outer wall is arc outer wall, the filter core rolled in this way is cylindrical, and rolls conveniently, is not easy to seep
Leakage.
One end of water inlet pipe 1 forms raw water inlet, and the both ends for being also possible to water inlet pipe 1 are respectively formed raw water inlet, are
Increase water efficiency processed, as shown in figure 4, it is preferred that the both ends of water inlet pipe 1 are respectively formed raw water inlet.
The origination side entire side of the water inlet grid 5 is fixedly connected with the installation outer wall or the grid 5 of intaking
If doing on the side of origination side is fixedly connected with the installation outer wall.
The origination side of the water inlet grid 5 is ultrasonic bonding or double-sided adhesive with the mode that is fixedly connected of the installation outer wall
Bonding or glue bonding.
Further, the water inlet flow channel forms concentrated water outflux, such raw water filtration far from the side of the water inlet pipe 1
Path is elongated, increases the time of contact of raw water and reverse osmosis membrane 3, and raw water filtration is abundant, improves filter core water efficiency.
Further, the water inlet grid 5 is stretched out outside the water inlet flow channel far from the side of the water inlet pipe 1.In this way may be used
To guarantee that concentrated water outflux is constantly in opening-wide state, guarantees that reverse osmosis membrane filter element row's concentrated water is smooth, improve filter core end film surface
Pollution, diaphragm production water in end is uniform, further increases filter core flux and service life.
It is preferred that the water inlet grid 5 is stretched out 15 to 20mm outside the water inlet flow channel far from the side of the water inlet pipe 1.
The reverse osmosis membrane filter element further includes the pure water selvage guide 4 being arranged in the production water flow passage.
The entire side of origination side of the pure water selvage guide 4 is fixedly connected with the central part or of the pure water selvage guide 4
If doing on the side of beginning side is fixedly connected with the central part.As shown in Figure 1, four pieces pure when the central part is square
The starting side wall of water selvage guide 4 is separately fixed on four side walls of central part a, b, c, d meaning.
The origination side of the pure water selvage guide 4 is ultrasonic bonding or two-sided gluing with the mode that is fixedly connected of the central part
It connects or glue is bonded.
In the present embodiment, the central part is pure water pipe 2, the side wall of the pure water pipe 2 be equipped with an at least pure water into
The mouth of a river, and at least one end of the pure water pipe 2 forms pure water outlet, it is described to produce one of the separate pure water pipe 2 in water flow passage
Side, and the two sides of the axial direction along the pure water pipe 2 seal.
Embodiment 2
2 difference from Example 1 of the present embodiment is that the central part is center axis 10, described to produce the remote of water flow passage
A side from the pure water pipe 2 seals, in the two sides of the axis direction along the central axis 10 for producing water flow passage at least
Wherein side forms pure water outlet.
A kind of water purifier of the invention, including reverse osmosis membrane filter element as described above can be improved water efficiency processed, prevent from seeping
Leakage.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (15)
1. a kind of reverse osmosis membrane filter element characterized by comprising
Central part；
Water inlet pipe (1), side wall are equipped with several raw water apopores, and at least one end of the water inlet pipe (1) forms raw water water inlet
Mouthful, and several water inlet pipes (1) are arranged to form central tube group around the central part；
Reverse osmosis membrane group, be equipped with it is several, the reverse osmosis membrane (3) in the reverse osmosis membrane group be arranged in the central part with
Between the water inlet pipe (1), and is rolled around the central tube group and be formed with water inlet flow channel, produce water flow passage；The reverse osmosis membrane
Piece group further includes the water inlet grid (5) being set in each water inlet flow channel, it is described water inlet grid (5) origination side with it is described
The installation outer wall (11) of water inlet pipe (1) connects, and installation outer wall (11) is the side of the water inlet pipe (1) far from the central part
Wall.
2. reverse osmosis membrane filter element according to claim 1, which is characterized in that the first of each reverse osmosis membrane (3)
Side is from the side of the corresponding water inlet pipe (1), through the gap between the central part and the water inlet pipe (1), then from described
The other side of water inlet pipe (1) is pierced by rear second side doubling back wall with the reverse osmosis membrane (3) and rolls around the central tube group,
The water inlet flow channel being connected to the water inlet pipe (1) is formed between the front of the same reverse osmosis membrane (3), adjacent two is described anti-
It permeates to be formed between the back side of diaphragm (3) and produces water flow passage.
3. reverse osmosis membrane filter element according to claim 1, which is characterized in that it is described installation outer wall (11) with the water inlet
Managing the parallel edge of (1) length direction is first edge, and the origination side of water inlet grid (5) connects with the first edge.
4. reverse osmosis membrane filter element according to claim 1, which is characterized in that
The installation outer wall is arc outer wall.
5. reverse osmosis membrane filter element according to claim 1, which is characterized in that the origination side of water inlet grid (5) is entire
Side with it is described installation outer wall (11) be fixedly connected or it is described water inlet grid (5) if origination side side on do and institute
Installation outer wall (11) is stated to be fixedly connected.
6. reverse osmosis membrane filter element according to claim 5, which is characterized in that the origination side of water inlet grid (5) and institute
The mode that is fixedly connected for stating installation outer wall (11) is ultrasonic bonding or two-sided glue sticking or glue bonding.
7. reverse osmosis membrane filter element according to claim 1 to 6, which is characterized in that the water inlet flow channel is far from institute
The side for stating water inlet pipe (1) forms concentrated water outflux.
8. reverse osmosis membrane filter element according to claim 7, which is characterized in that the water inlet grid (5) is far from the water inlet
The side for managing (1) is stretched out outside the water inlet flow channel.
9. reverse osmosis membrane filter element according to claim 8, which is characterized in that the water inlet grid (5) is far from the water inlet
The water inlet flow channel outer 15 to 20mm is stretched out in the side for managing (1).
10. reverse osmosis membrane filter element according to claim 1 to 6, which is characterized in that the reverse osmosis membrane filter element
It further include the pure water selvage guide (4) being arranged in the production water flow passage.
11. reverse osmosis membrane filter element according to claim 10, which is characterized in that the origination side of the pure water selvage guide (4) is whole
A side be fixedly connected with the central part or the pure water selvage guide (4) if origination side side on do with it is described in
Heart part is fixedly connected.
12. reverse osmosis membrane filter element according to claim 11, which is characterized in that the origination side of the pure water selvage guide (4) with
The mode that is fixedly connected of the central part is ultrasonic bonding or two-sided glue sticking or glue bonding.
13. reverse osmosis membrane filter element according to claim 1 to 6, which is characterized in that the central part is pure water
Manage (2), the side wall of the pure water pipe (2) is equipped with several pure water water inlets, and at least one end of the pure water pipe (2) formed it is pure
Water water outlet, described a side produced in water flow passage far from the pure water pipe (2), and the axial direction side along the pure water pipe (2)
To two sides seal.
14. reverse osmosis membrane filter element according to claim 1 to 6, which is characterized in that centered on the central part
Axis (10), it is described produce water flow passage far from the pure water pipe (2) a side seal, it is described produce water flow passage along the central axis
(10) side forms pure water outlet at least in the two sides of axis direction.
15. a kind of water purifier, which is characterized in that including the reverse osmosis membrane filter element as described in any one of claim 1-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811069521.7A CN109019777A (en) | 2018-09-13 | 2018-09-13 | Reverse osmosis membrane filter core and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811069521.7A CN109019777A (en) | 2018-09-13 | 2018-09-13 | Reverse osmosis membrane filter core and water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109019777A true CN109019777A (en) | 2018-12-18 |
Family
ID=64622276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811069521.7A Pending CN109019777A (en) | 2018-09-13 | 2018-09-13 | Reverse osmosis membrane filter core and water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109019777A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280136A (en) * | 2019-05-09 | 2019-09-27 | 厦门百霖净水科技有限公司 | A kind of reverse osmosis membrane structure |
| CN111203112A (en) * | 2020-01-21 | 2020-05-29 | 四川兴凯歌建设工程有限公司 | Ultrafiltration type ceramic membrane component and production process |
| 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 |
| CN115159707A (en) * | 2022-07-29 | 2022-10-11 | 佛山市美的清湖净水设备有限公司 | Filter core and water purification unit |
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| 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 |
| CN209039121U (en) * | 2018-09-13 | 2019-06-28 | 珠海格力电器股份有限公司 | Reverse osmosis membrane filter core and water purifier |
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| CN111203112A (en) * | 2020-01-21 | 2020-05-29 | 四川兴凯歌建设工程有限公司 | Ultrafiltration type ceramic membrane component and production process |
| 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 |
| CN115159707A (en) * | 2022-07-29 | 2022-10-11 | 佛山市美的清湖净水设备有限公司 | Filter core and water purification unit |
| CN115159707B (en) * | 2022-07-29 | 2023-09-22 | 佛山市美的清湖净水设备有限公司 | Filter element and water purifying equipment |
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