CN209039123U - Reverse osmosis membrane filter core and water purifier - Google Patents
Reverse osmosis membrane filter core and water purifier Download PDFInfo
- Publication number
- CN209039123U CN209039123U CN201821498343.5U CN201821498343U CN209039123U CN 209039123 U CN209039123 U CN 209039123U CN 201821498343 U CN201821498343 U CN 201821498343U CN 209039123 U CN209039123 U CN 209039123U
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- water
- reverse osmosis
- osmosis membrane
- water inlet
- pure water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 297
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 76
- 239000012528 membrane Substances 0.000 title claims abstract description 75
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 45
- 238000007789 sealing Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 7
- 230000004907 flux Effects 0.000 abstract description 4
- 238000010612 desalination reaction Methods 0.000 abstract 1
- 238000009826 distribution Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 230000010287 polarization Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a reverse osmosis membrane filter core and water purifier, wherein reverse osmosis membrane filter core includes: the side wall of the pure water pipe is provided with a pure water inlet, and at least one end of the pure water pipe forms a pure water outlet; the side wall of the water inlet pipe is provided with at least one raw water outlet, at least one end of the water inlet pipe forms a raw water inlet, and the water inlet pipes are arranged around the pure water pipe to form a central pipe group; the reverse osmosis membrane piece subassembly is equipped with one at least, reverse osmosis membrane among the reverse osmosis membrane piece subassembly wear to locate pure water pipe with between the inlet tube, and center nest of tubes system book forms the filter core main part that has water inlet flow channel, produces the water runner, wherein water inlet flow channel and former water outlet intercommunication, and water inlet flow channel's one side of keeping away from the inlet tube forms dense water export, produces the water runner and is equipped with the pure water clearing hole towards pure water pipe department. The utility model discloses a reverse osmosis membrane filter core and water purifier has not only improved system water efficiency, and filter core antipollution performance has still improved filter core flux and filter core desalination.
Description
Technical field
The utility model 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 drainage principle is the direction and central tube using raw water water inlet direction and concentrated water outflow
In parallel, the direction for producing water outflow is vertical with central tube, by sealing three sides of the film bag far from central tube, Lai Shixian raw water, concentrated water
With the separation of pure water.The filter core of this structure has the following problems: (1) under pressure, filtering becomes pure water to raw water, and part is former
Water is discharged as waste water, and with the operation of time, raw water side form face forms concentration polarization layer, thus under causing filter core performance quick
Drop.(2) raw water runner is wider, and there are transition regions from import to exit for the water flow in raw water runner, and there are water flow streams
The extremely low region of speed, the region film surface concentration polarization is serious, and producing water ratio is extremely low.(3) water inlet water distribution is uneven, and causes reverse osmosis
Film internal pressure is unstable, and salt rejection rate is low, and diaphragm utilization rate is unbalanced, and flux is unstable.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome reverse osmosis membrane filter element in the prior art to there is system
The defect of water low efficiency, to provide a kind of reverse osmosis membrane filter element and water purifier that can be improved water efficiency processed.
In order to solve the above technical problems, a kind of reverse osmosis membrane filter element of the utility model, comprising:
Pure water pipe, side wall are equipped with several pure water water inlets, and at least one end of the pure water pipe forms pure water outlet；
Water inlet pipe, side wall are equipped with several raw water water outlets, 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 pure water pipe；
Reverse osmosis membrane component, be equipped with it is several, the reverse osmosis membrane in the reverse osmosis membrane component is arranged in described pure
Between water pipe and the water inlet pipe, and the filter core master to be formed with water inlet flow channel, production water flow passage is rolled around the central tube group
Body, wherein the water inlet flow channel is connected to the raw water water outlet, and the side far from the water inlet pipe of the water inlet flow channel
Form concentrated water outlet.
The shape of the raw water water outlet makes the water flowed out from the raw water water outlet in turbulent condition.
The raw water water outlet is in a ring or the inner wall of the raw water water outlet is shaped to corrugated or spiral shape.
The both ends of the water inlet pipe form raw water inlet and/or the both ends of the pure water pipe form pure water outlet.
The raw water water outlet is equipped with several and/or described pure water water inlet on the axial direction of the water inlet pipe and exists
The axial direction of the pure water pipe is equipped with several.
The membrane shell structure being arranged in outside the filter core main body is equipped with the through-hole for being suitble to the both ends of the pure water pipe to pass through, institute
The both ends for stating pure water pipe are equipped with groove, sealing ring are equipped in the groove, for sealing between the pure water pipe and the through-hole
Gap.
The central tube group is in polygon or circle.
First side of each reverse osmosis membrane from the side of the corresponding water inlet pipe, through the pure water pipe with it is described
Gap between water inlet pipe, then rear second side with the reverse osmosis membrane is pierced by collapsing from the other side of the water inlet pipe
It makes, forms the water inlet flow channel being connected to the water inlet pipe, adjacent two reverse osmosis between the front of the same reverse osmosis membrane
The production water flow passage is formed between the back side of permeable membrane piece.
The reverse osmosis membrane component further includes the water inlet grid being arranged in the water inlet flow channel, and/or is arranged in institute
The pure water selvage guide produced in water flow passage is stated, is corresponded on the pure water selvage guide and offers pure water through hole at the position of the pure water pipe.
Far from a side of the pure water pipe, and the two sides of the axial direction along the pure water pipe in the production water flow passage
While being all made of glue sealing.
The both ends of the filter core main body are respectively equipped with end cap, and glue is equipped between the end and the end cap of the filter core main body
Water-stop.
A kind of water purifier of the utility model, including reverse osmosis membrane filter element as described above.
Technical solutions of the utility model have the advantages that
1, in the present invention, raw water is flowed out from the raw water water outlet of water inlet pipe, into water inlet flow channel, and feed water flow
The side far from the water inlet pipe in road forms concentrated water outlet, and such raw water filtration path is elongated, increases connecing for raw water and diaphragm
The time is touched, raw water filtration is abundant, improves filter core water efficiency；Meanwhile pure water through produce water flow passage, from the pure water water inlet of pure water pipe
It is flowed out into pure water pipe, then by the pure water outlet at pure water pipe both ends.Pure water collection is smooth in this way, and back pressure is small, and water processed is high-efficient.It is logical
Several raw water water outlet water distributions along water inlet pipe axial direction arrangement of water inlet pipe are crossed, water inlet water distribution is uniform, passes through pure water pipe
Several pure water water inlets along pure water pipe axial direction arrangement produce water more evenly, film surface concentrating degree is uniform, film surface salt into pure water
Even concentration, salt rejection rate improves, while water distribution of intaking is uniform, and film surface production Water l oad is uniform, to improve filter core flux.
2, in the present invention, the raw water water outlet is in a ring or the inner wall of the raw water water outlet is shaped to
Corrugated or spiral shape, such raw water by raw water water outlet in turbulent condition enter reverse osmosis membrane component be formed by into
In water flow passage, the fluid of turbulent condition confuses cartridge surface concentration polarization layer, mitigates concentration polarization, extends the reverse osmosis membrane filter element longevity
Life.Meanwhile raw water is formed by water inlet flow channel from entering reverse osmosis membrane component perpendicular to central tube group axis direction, raw water
Water outlet width narrows, and crossflow velocity increases, and improves the dynamics for washing away film surface pollution object, this mode water distribution is uniform, raw water mistake
Filter can solve the conventional reverse osmosis water inlet unbalanced problem of end pressure, improve raw water filtration efficiency, improve filter core water without dead angle
Efficiency mitigates concentration polarization, extends filter element life.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1, for the utility model reverse osmosis membrane filter element be unfolded structural schematic diagram；
Fig. 2, for the utility model the reverse osmosis membrane filter element for rolling completion cross-sectional view；
Fig. 3, the structural schematic diagram for water inlet pipe；
Fig. 4, the structural schematic diagram for pure water pipe；
Fig. 5, the structural schematic diagram for end cap；
Description of symbols:
1- water inlet pipe；2- pure water pipe；3- produces water flow passage direction；4- water inlet flow channel direction；The outlet of 5- concentrated water；7- reverse osmosis membrane
Piece；6- water inlet grid；8- raw water water outlet；9- raw water inlet；10- pure water water inlet；11- pure water outlet；12- groove；13-
End cap.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
As shown in Figs. 1-5, a kind of reverse osmosis membrane filter element of the utility model, comprising:
Pure water pipe 2, side wall are equipped with several pure water water inlets 10, and at least one end of the pure water pipe 2 forms pure water and goes out
Mouth 11；
Water inlet pipe 1, side wall are equipped with several raw water water outlets 8, and at least one end of the water inlet pipe 1 forms raw water water inlet
Mouth 9, and several water inlet pipes 1 form central tube group around the pure water pipe 2 setting；
Reverse osmosis membrane component, be equipped with it is several, the reverse osmosis membrane 7 in the reverse osmosis membrane component is arranged in described pure
Between water pipe 2 and the water inlet pipe 1, and the filter core to be formed with water inlet flow channel, production water flow passage is rolled around the central tube group
Main body, wherein the water inlet flow channel is connected to the raw water water outlet 8, and the separate water inlet pipe 1 of the water inlet flow channel
Side forms concentrated water outlet 5.
Raw water is flowed out from the raw water water outlet 8 of water inlet pipe 1, into water inlet flow channel, and water inlet flow channel far from it is described into
The side of water pipe 1 forms concentrated water outlet 5, and such raw water filtration path is elongated, increases the time of contact of raw water and diaphragm, raw water mistake
Filter sufficiently, improves filter core water efficiency；Meanwhile pure water enters pure water pipe from the pure water water inlet 10 of pure water pipe through producing water flow passage,
It is flowed out again by the pure water outlet 11 at 2 both ends of pure water pipe.Not only pure water collection is smooth in this way, and back pressure is small, and water processed is high-efficient.
Further, by several 8 water distributions of raw water water outlet along water inlet pipe axial direction arrangement of water inlet pipe, cloth of intaking
Water is uniform, by several pure water water inlets 10 along pure water pipe axial direction arrangement of pure water pipe into pure water, produces water more evenly, film
Face concentrating degree is uniform, and film surface salinity is uniform, and salt rejection rate improves, while water distribution of intaking is uniform, and film surface production Water l oad is uniform, from
And improve filter core flux.
The central tube group of the utility model can be polygon, be also possible to circular.As long as being convenient for reverse osmosis membrane group
Part rolls.
The raw water inlet 9 of the utility model can be circle, and rectangle is square, and shape is not limited to the above, number
Amount is at least arranged 1.
Further, the shape of the raw water water outlet 8 makes the water flowed out from the raw water water outlet 8 be in turbulent condition,
It is preferred that the raw water water outlet is in a ring, as shown in figure 3, the axial direction of the raw water water outlet is in corrugated or spiral
Shape.Raw water enters reverse osmosis membrane component in turbulent condition by raw water water outlet 8 and is formed by water inlet flow channel in this way, turbulent flow
The fluid of state confuses cartridge surface concentration polarization layer, mitigates concentration polarization, extends the reverse osmosis membrane filter element service life.Meanwhile raw water
It is formed by water inlet flow channel from reverse osmosis membrane component is entered perpendicular to central tube group axis direction, 8 width of raw water water outlet
Narrow, crossflow velocity increases, and improves the dynamics for washing away film surface pollution object, this mode water distribution is uniform, and raw water filtration, can without dead angle
To solve the problems, such as that conventional reverse osmosis water inlet end pressure is unbalanced, raw water filtration efficiency is improved, filter core water efficiency is improved, is mitigated dense
Difference polarization, extends filter element life
As shown in Figure 1, the both ends of the water inlet pipe 1 form raw water inlet 9, filter core inflow can be increased in this way, into
And water inlet flow velocity can be increased.The both ends of the pure water pipe 2 form pure water outlet 11, can be improved and produce water efficiency.
If inscribed shown in 4, the membrane shell structure being arranged in outside the filter core main body, which is equipped with, is suitble to the both ends of the pure water pipe to wear
The through-hole crossed, the both ends of the pure water pipe are equipped with groove 12, sealing ring are equipped in the groove 12, for sealing the pure water pipe
With the through-hole, to realize the separation of raw water, concentrated water and pure water.13 material of sealing ring is rubber, and rubber constituent can be
EP rubbers or nitrile rubber or silica gel, material composition are not limited to above-mentioned.
The central tube group is in polygon or circle, as long as rolling convenient for reverse osmosis membrane component.
Raw water inlet 9 can be circle, and rectangle is square, and shape is not limited to the above, and quantity is at least arranged 1
It is a.
As shown in Fig. 2, the first side of each reverse osmosis membrane 7 is from the side of the corresponding water inlet pipe 1, through described
Gap between pure water pipe 2 and the water inlet pipe 1, then the rear and reverse osmosis membrane 7 is pierced by from the other side of the water inlet pipe 1
Second side doubling roll, the feed water flow that is connected to the water inlet pipe 1 is formed between the front of the same reverse osmosis membrane 7
Road forms the production water flow passage between the back side of adjacent two reverse osmosis membrane 7.Reverse osmosis membrane in reverse osmosis membrane component
Piece can also be a piece of and be folded into multi-disc, is also possible to two panels diaphragm and is formed.The setting of multiple reverse osmosis membrane components can be with shape
At multiple water inlet flow channels, runner is generated, to improve raw water utilization rate.The reverse osmosis membrane filter element of the utility model is specifically rolling
When, water inlet pipe will be first preloaded onto reverse osmosis membrane component, be rolled.
It is preferred that the reverse osmosis membrane component further includes the water inlet grid 6 being arranged in the water inlet flow channel, and setting exists
Pure water selvage guide in the production water flow passage corresponds on the pure water selvage guide and offers pure water at the position of the pure water pipe 2 and pass through
Hole.Water inlet grid 6 has the function of water conservancy diversion water inlet, avoids pollution object and is deposited in reverse osmosis membrane 7.
Two far from a side of the pure water pipe 2, and the axial direction along the pure water pipe 2 in the production water flow passage
Side is all made of the separation that glue sealing realizes pure water and raw water, concentrated water.
As shown in figure 5, the both ends of the filter core main body are respectively equipped with end cap 13, the end and the end of the filter core main body
Glue sealing is equipped between lid 13.Sealing can not only be reinforced in this way, and width needed for reducing both ends tree lace improves filter core water effect
Rate, and can be realized the separation of raw water, concentrated water, pure water three.14 material of end cap can be rubber, can be plastics, can be with
It is metal.The sealing means that the utility model does not mention position are glue sealings.
A kind of water purifier of the utility model, including reverse osmosis membrane filter element as described above not only increase water efficiency processed,
And resistance tocrocking performance enhancement.
The water process processed of the reverse osmosis membrane filter element of the utility model:
Raw water is intake from the raw water inlet 9 of water inlet pipe 1, enters two reverse osmosis membrane front institutes by raw water water outlet 8
In the water inlet flow channel of formation, after the filtering of reverse osmosis membrane 7, pure water enters two reverse osmosis membrane reverse side and is formed by production water flow
In road, pure water is flowed out along water flow passage is produced through the inflow pure water pipe 2 of pure water water inlet 10 through pure water outlet 11；Concentrated water is from water inlet flow channel
Separate water inlet pipe one end at concentrated water outlet 5 outflow.
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 among the protection scope created still in the utility model.
Claims (12)
1. a kind of reverse osmosis membrane filter element characterized by comprising
Pure water pipe (2), side wall are equipped with several pure water water inlets (10), and at least one end of the pure water pipe (2) forms pure water
It exports (11)；
Water inlet pipe (1), side wall are equipped with several raw water water outlets (8), at least one end of the water inlet pipe (1) formed raw water into
The mouth of a river (9), and several water inlet pipes (1) form central tube group around the pure water pipe (2) setting；
Reverse osmosis membrane component, be equipped with it is several, the reverse osmosis membrane (7) in the reverse osmosis membrane component is arranged in the pure water
It manages between (2) and the water inlet pipe (1), and rolls into the filter core for water inlet flow channel, producing water flow passage around the central tube group
Main body, wherein the water inlet flow channel is connected to the raw water water outlet (8), and the separate water inlet pipe of the water inlet flow channel
(1) side forms concentrated water outlet (5).
2. reverse osmosis membrane filter element according to claim 1, which is characterized in that the shape of the raw water water outlet (8) make from
The water of raw water water outlet (8) outflow is in turbulent condition.
3. reverse osmosis membrane filter element according to claim 2, which is characterized in that the raw water water outlet (8) in a ring, or
The inner wall of the raw water water outlet (8) is shaped to corrugated or spiral shape.
4. reverse osmosis membrane filter element according to claim 1, which is characterized in that the both ends of the water inlet pipe (1) form raw water
The both ends of water inlet (9) and/or the pure water pipe (2) form pure water outlet (11).
5. reverse osmosis membrane filter element according to claim 1, which is characterized in that the raw water water outlet (8) is in the water inlet
The axial direction for managing (1) is equipped with several and/or described pure water water inlet (10) on the axial direction of the pure water pipe (2)
Equipped with several.
6. reverse osmosis membrane filter element according to claim 1, which is characterized in that the putamina knot outside the filter core main body is arranged in
Structure is equipped with the through-hole for being suitble to the both ends of the pure water pipe (2) to pass through, and the both ends of the pure water pipe (2) are equipped with groove (12), institute
It states and is equipped with sealing ring in groove (12), for sealing the gap of the pure water pipe (2) and the through-hole.
7. reverse osmosis membrane filter element according to claim 1, which is characterized in that the central tube group is in polygon or circle
Shape.
8. reverse osmosis membrane filter element according to claim 1-7, which is characterized in that
First side of each reverse osmosis membrane (7) is from the side of the corresponding water inlet pipe (1), through the pure water pipe (2)
With the gap between the water inlet pipe (1), then from the other side of the water inlet pipe (1) be pierced by after with the reverse osmosis membrane (7)
Second side doubling roll, the water inlet that is connected to the water inlet pipe (1) is formed between the front of the same reverse osmosis membrane (7)
Runner forms the production water flow passage between the back side of adjacent two reverse osmosis membrane (7).
9. reverse osmosis membrane filter element according to claim 8, which is characterized in that
The reverse osmosis membrane component further includes the water inlet grid (6) being arranged in the water inlet flow channel, and/or is arranged described
The pure water selvage guide in water flow passage is produced, is corresponded on the pure water selvage guide and offers pure water through hole at the position of the pure water pipe (2).
10. reverse osmosis membrane filter element according to claim 8, which is characterized in that far from the pure water in the production water flow passage
The a side of (2) is managed, and the two sides of the axial direction along the pure water pipe (2) are all made of glue sealing.
11. 0 reverse osmosis membrane filter element stated according to claim 1, which is characterized in that the both ends of the filter core main body are respectively equipped with end
It covers (13), glue sealing is equipped between the end and the end cap (13) of the filter core main body.
12. a kind of water purifier, which is characterized in that including reverse osmosis membrane filter element such as of any of claims 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821498343.5U CN209039123U (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 |
|---|---|---|---|
| CN201821498343.5U CN209039123U (en) | 2018-09-13 | 2018-09-13 | Reverse osmosis membrane filter core and water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209039123U true CN209039123U (en) | 2019-06-28 |
Family
ID=67033097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821498343.5U Active CN209039123U (en) | 2018-09-13 | 2018-09-13 | Reverse osmosis membrane filter core and water purifier |
Country Status (1)
| Country | Link |
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| CN (1) | CN209039123U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996615A (en) * | 2018-09-13 | 2018-12-14 | 珠海格力电器股份有限公司 | Reverse osmosis membrane filter core and water purifier |
| CN116159439A (en) * | 2023-02-09 | 2023-05-26 | 珠海格力电器股份有限公司 | Manufacturing method of stage type filter element |
-
2018
- 2018-09-13 CN CN201821498343.5U patent/CN209039123U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996615A (en) * | 2018-09-13 | 2018-12-14 | 珠海格力电器股份有限公司 | Reverse osmosis membrane filter core and water purifier |
| CN116159439A (en) * | 2023-02-09 | 2023-05-26 | 珠海格力电器股份有限公司 | Manufacturing method of stage type filter element |
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