CN109019776A - A kind of reverse osmosis membrane filter element and water purifier - Google Patents
A kind of reverse osmosis membrane filter element and water purifier Download PDFInfo
- Publication number
- CN109019776A CN109019776A CN201811069515.1A CN201811069515A CN109019776A CN 109019776 A CN109019776 A CN 109019776A CN 201811069515 A CN201811069515 A CN 201811069515A CN 109019776 A CN109019776 A CN 109019776A
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- CN
- China
- Prior art keywords
- reverse osmosis
- osmosis membrane
- water
- tree lace
- filter element
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Classifications
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- 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
Abstract
Of the invention a kind of reverse osmosis membrane filter element and water purifier, wherein reverse osmosis membrane filter element includes: central tube group；Reverse osmosis membrane component, equipped with several, the reverse osmosis membrane of the reverse osmosis membrane component is threaded through between the central tube group, and it rolls to be formed to have around the central tube group and produces water flow passage, the filter core main body of water purification runner, and side is sealed by setting side tree lace at least in the two sides of axis direction of the production water flow passage of the reverse osmosis membrane component formation along the central tube group, and the width of at least one side tree lace is 5-10mm, the side tree lace of the width value is the first tree lace；End cap is equipped with suitable for connecting with the end part seal of the filter core main body, and at least in first tree lace of the filter core main body at one end.Reverse osmosis membrane filter element and water purifier of the invention not only good airproof performance, antiseep, and can be improved the water yield of filter core, reduce material for core cost.
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 membranes circumferentially wound around central tube group
Component.The central tube group includes pure water pipe and around the spaced multiple water inlet pipes of pure water pipe；In reverse osmosis membrane component
Reverse osmosis membrane passes through rear doubling in one end between pure water pipe and a water inlet pipe, encloses each reverse osmosis membrane front and sets shape
At the water inlet flow channel being connected to water inlet pipe, adjacent reverse osmosis membrane reverse side enclose set to be formed and pure water pipe together with production water flow passage.
Water flow passage is wherein produced to need to realize pure water and raw water, concentrated water point with glue sealing far from three sides of central tube group
From reverse osmosis membrane component leaks in order to prevent, and three side tree lace width in existing reverse osmosis membrane filter core must be provided with
To 25 to 30mm, tree lace is very wide, and the filter area of reverse osmosis membrane component is caused to reduce, reverse osmosis membrane filter element water low efficiency and
Material cost is high.
Summary of the invention
Therefore, water flow passage is produced the technical problem to be solved in the present invention is that overcoming in reverse osmosis membrane filter element in the prior art
The three side tree lace width far from central tube group are wide and lead to the defect of the water low efficiency processed of reverse osmosis membrane filter element, to provide
A kind of reverse osmosis membrane filter element and water purifier that water processed is high-efficient.
In order to solve the above technical problems, a kind of reverse osmosis membrane filter element of the invention, comprising:
Central tube group；
Reverse osmosis membrane component, be equipped with it is several, the reverse osmosis membrane of the reverse osmosis membrane component is threaded through the center
Between pipe group, and rolls to be formed to have around the central tube group and produce water flow passage, the filter core main body of water purification runner, and the reverse osmosis
Side passes through setting to the production water flow passage that saturating diaphragm unit is formed at least within along the two sides of the axis direction of the central tube group
The sealing of side tree lace, and the width of at least one side tree lace is 5-10mm, the side tree lace of the width value is the first glue
Line；
End cap, suitable for being connect with the end part seal of the filter core main body, and at least described the first of the filter core main body
Tree lace is equipped at one end.
The distance of first tree lace of edge to the side for producing water flow passage side is 5-10mm.
It is Nian Jie by glue sealing between the end cap and the end of the filter core main body.
The glue that gluing face in the end cap is equipped with is with a thickness of 1-2mm.
The end cap includes bottom surface and circumferential side wall, and the bottom surface and the circumferential side wall constitute the gluing face.
The central tube group includes:
Central part；
Water inlet pipe, side wall are equipped with an at least raw water apopore, and at least one end of the water inlet pipe forms raw water water inlet
Mouthful, and the water inlet pipe surrounds the central part equipped with several.
The central part is pure water pipe, and the side wall of the pure water pipe is equipped with an at least pure water inlet, and the pure water
At least one end of pipe forms pure water outlet, and the two sides of the axis direction along the central tube group for producing water flow passage are set respectively
There is a side tree lace, the side far from the pure water pipe for producing water flow passage is equipped with tail tree lace, in the two side tree laces at least
One of them is arranged to first tree lace.
The two side tree laces, which are all provided with, is set to first tree lace, and the both ends of the filter core main body are equipped with the end cap, with
On the ipsilateral end cap of the pure water outlet, there is an end cap pure water being correspondingly arranged with the pure water outlet to go out
Mouthful, and the end cap water inlet being correspondingly arranged with the raw water inlet.
The central part is center axis, in the two sides of the axis direction along the central tube group for producing water flow passage wherein
Side forms the pure water outlet, and the other side is equipped with first tree lace, the separate pure water pipe for producing water flow passage
Side is equipped with tail tree lace.
The both ends of the filter core main body are equipped with the end cap, with the pure water outlet on the ipsilateral end cap, tool
There is the center axial outlet being correspondingly arranged with the central axis, and the end cap being correspondingly arranged with the raw water inlet is intake
Mouthful.
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 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
It bonds to form the production water flow passage by tree lace 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
State the pure water selvage guide produced in water flow passage.
The water inlet flow channel forms concentrated water water outlet far from one end of the water inlet pipe.
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, the production water flow passage that in the present invention, reverse osmosis membrane component is formed is along the two sides of the axis direction of central tube group
Side is sealed by setting side tree lace at least within, and the width of at least one side tree lace is 5-10mm, the side of the width value
Tree lace is the first tree lace；End cap is suitable for being tightly connected with filter core body end, and where the first tree lace at least in filter core main body
It is equipped at one end.The sealing of reinforced filter element body end is capable of in the setting of end cap, and therefore, the required width of side tree lace setting can
To be reduced to 5-10mm, without leaking.Side tree lace glue consumption is small, not only saves material cost, but also also added
Filter area is imitated, water efficiency and water yield processed are improved.
2, in the present invention, water inlet flow channel forms concentrated water water outlet far from one end of water inlet pipe.Raw water filtration path in this way
It is elongated, increase the time of contact of raw water and diaphragm, raw water filtration is abundant, improves filter core water efficiency.
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 embodiment of the present invention one reverse osmosis membrane filter element cross-sectional view；
Fig. 2, the structural schematic diagram for the reverse osmosis membrane assembly in Fig. 1 to be unfolded；
Fig. 3, for the embodiment of the present invention two reverse osmosis membrane filter element cross-sectional view；
Fig. 4, the structural schematic diagram for the reverse osmosis membrane assembly in Fig. 3 to be unfolded；
Fig. 5, the perspective view for end cap；
Fig. 6, the cross-sectional view for Fig. 5；
Fig. 7, for the structural schematic diagram of reverse osmosis membrane filter element of the invention.
Description of symbols:
1- water inlet pipe；2- pure water pipe；The side 3- tree lace；4- tail tree lace；5- reverse osmosis membrane；6- water inlet grid；7- pure water is led
Cloth；8- end cap；9- gluing face；10- raw water inlet；11- pure water outlet；12- end cap water inlet；13- end cap pure water outlet；
14- filter core main body；The center 15- axial outlet；16- central axis.
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 Fig. 1,2,5,6,7, a kind of reverse osmosis membrane filter element of the invention, comprising:
Central tube group；
Reverse osmosis membrane component, be equipped with it is several, the reverse osmosis membrane 5 of the reverse osmosis membrane component is threaded through the center
Between pipe group, and rolls to be formed to have around the central tube group and produce water flow passage, the filter core main body 14 of water purification runner, and is described anti-
Infiltration diaphragm unit formed productions water flow passage along the two sides of the axis direction of the central tube group at least within side pass through set
Set the sealing of side tree lace 3, and the width of at least one side tree lace 3 is 5-10mm, the side tree lace 3 of the width value is the
One tree lace；
End cap 8, suitable for being connect with the end part seal of the filter core main body 14, and at least described in the filter core main body 14
First tree lace is equipped at one end.
The sealing of reinforced filter element body end is capable of in the setting of end cap 8, and therefore, the required width that side tree lace 3 is arranged can be with
It is reduced to 5-10mm, without leaking.Side tree lace glue consumption is small, not only save the cost, but also also adds effective filtering
Area improves water efficiency and water yield processed.
It is preferred that the distance of first tree lace of edge to the side for producing water flow passage side is 5-10mm.
It is preferred that Nian Jie by glue sealing between the end cap 8 and the end of the filter core main body 14.
In order to guarantee reliably to be tightly connected between end cap 8 and filter core main body 14, the gluing face 9 in the preferably described end cap 8 is set
Some glue is with a thickness of 1-2mm.
As shown in fig. 6, the end cap 8 includes bottom surface and circumferential side wall, the bottom surface is constituted with the circumferential side wall
The gluing face 9.
Specifically, the central tube group includes:
Central part；
Water inlet pipe 1, side wall are equipped with an at least raw water apopore, at least one end of the water inlet pipe 1 formed raw water into
The mouth of a river 10, and the water inlet pipe 1 surrounds the central part equipped with several.
As shown in Figs. 1-2, in the present embodiment, the preferably described central part is pure water pipe 2, on the side wall of the pure water pipe 2
Equipped with an at least pure water inlet, and at least one end of the pure water pipe 2 forms pure water outlet 11, in the present embodiment, excellent
The both ends of pure water pipe 2 are selected to be respectively formed pure water outlet 11, water processed in this way is more efficient.It is described produce water flow passage along the central tube
The two sides of the axis direction of group are respectively equipped with the side tree lace 3, and the side far from the pure water pipe 2 for producing water flow passage is equipped with
Tail tree lace 4, the setting of two sides tree lace 3 and tail tree lace 4 can be realized pure water and water inlet, the separation of concentrated water.The two side tree laces 3
In at least one be arranged to first tree lace.One of two sides tree lace 3 is arranged to the first tree lace, it can reduces
Tree lace width increases effective filtration area, improves water efficiency processed.
It is, of course, preferable to which the two side tree laces 3 are all provided with and are set to first tree lace, effective filtration area ratio increased in this way is only
The side tree lace 3 of side is arranged to the increased effective filtration area of the first tree lace institute is big, and water rate processed is high, correspondingly, the filter core
The both ends of main body 14 are equipped with the end cap 8, with the pure water outlet 11 on the ipsilateral end cap 8, have one and institute
State the end cap pure water outlet 13 that pure water outlet 11 is correspondingly arranged, and the end cap being correspondingly arranged with the raw water inlet 10 into
The mouth of a river 12.
In the present embodiment, the first side of preferably each reverse osmosis membrane 5 from the corresponding water inlet pipe 1 one
Side, through the gap between the central part and the water inlet pipe 1, then after being pierced by from the other side of the water inlet pipe 1 with it is described anti-
Second side doubling of infiltration diaphragm 5 rolls, and is formed between the front of the same reverse osmosis membrane 5 and is connected to the water inlet pipe 1
Water inlet flow channel, bond to form the production water flow passage by tree lace between the back side of adjacent two reverse osmosis membrane 5；
Water inlet grid 6, is arranged in the water inlet flow channel；
Pure water selvage guide 7 is arranged in the production water flow passage.When central part is pure water pipe, on pure water selvage guide 7 described in correspondence
It is additionally provided with pure water through hole at the position of pure water pipe 2, can import pure water except in water pipe 2 in this way.
It is preferred that the water inlet flow channel forms concentrated water water outlet far from one end of the water inlet pipe 1.Raw water filtration path in this way
It is elongated, increase the time of contact of raw water and diaphragm, raw water filtration is abundant, improves filter core water efficiency.The water mistake processed of the present embodiment 1
Journey:
Raw water enters from the raw water inlet at 1 both ends of water inlet pipe, flows out from raw water apopore, into water inlet flow channel, filtering
Pure water afterwards enter produce water flow passage collected through pure water pipe 2, from the pure water outlet at 2 both ends of pure water pipe flow out, remaining concentrated water from
The concentrated water water outlet discharge of one end far from pure water pipe 2.
Embodiment 2
As shown in Figure 3-4,2 difference from Example 1 of the present embodiment is, the central part is center axis 16, described
Wherein side forms the pure water outlet 11, the other side in the two sides of the axis direction along the central tube group of production water flow passage
Equipped with first tree lace, the side far from the pure water pipe 2 for producing water flow passage is equipped with tail tree lace 4.
It is preferred that the both ends of the filter core main body 14 are equipped with the end cap 8, with the pure water outlet 11 it is ipsilateral described in
On end cap 8, there is a center axial outlet 15 being correspondingly arranged with the central axis 16, and right with the raw water inlet 10
The end cap water inlet 12 that should be arranged.
The water process processed of the present embodiment 2:
Raw water enters from the raw water inlet at 1 both ends of water inlet pipe, flows out from raw water apopore, into water inlet flow channel, filtering
Pure water afterwards, which enters, produces water flow passage from the discharge of the pure water outlet 11 for producing water flow passage side, and remaining concentrated water is from far from pure water
The concentrated water water outlet of one end of pipe 2 is discharged.
Embodiment 3
3 difference from Example 1 of the present embodiment is that central tube group also may include centrally disposed pure water pipe,
And several concentrated water pipes around pure water pipe setting, the side wall of the pure water pipe are equipped with an at least pure water inlet, and described
At least one end of pure water pipe forms pure water outlet, and the side wall of concentrated water pipe is equipped with an at least concentrated water inlet opening, and concentrated water pipe is extremely
Few one end forms concentrated water water outlet, and the water inlet flow channel forms raw water inlet far from one end of the concentrated water pipe.The production water
The two sides of the axis direction along the central tube group of runner are respectively equipped with the side tree lace 3, the separate institute for producing water flow passage
The side for stating pure water pipe 2 is equipped with tail tree lace 4, the setting of two sides tree lace 3 and tail tree lace 4, can be realized pure water and water inlet, concentrated water
Separation.At least one in the two side tree laces 3 is arranged to first tree lace, and the production water flow passage also has towards institute
State the pure water through hole of pure water pipe.One of two sides tree lace 3 is arranged to the first tree lace, it can reduces tree lace width, increases
Add effective filtration area, improves water efficiency processed.
It is, of course, preferable to which the two side tree laces 3 are all provided with and are set to first tree lace, effective filtration area ratio increased in this way is only
The side tree lace 3 of side is arranged to the increased effective filtration area of the first tree lace institute is big, and water rate processed is high, correspondingly, the filter core
The both ends of main body 14 are equipped with the end cap, with the pure water outlet on the ipsilateral end cap, have one with it is described pure
The end cap pure water outlet that water water outlet is correspondingly arranged, and the end cap concentrated water outlet being correspondingly arranged with concentrated water water outlet.
A kind of water purifier of the invention, including reverse osmosis membrane filter element as described above can not only effectively prevent leaking, and
And water efficiency processed improves.
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 (14)
1. a kind of reverse osmosis membrane filter element characterized by comprising
Central tube group；
Reverse osmosis membrane component, be equipped with it is several, the reverse osmosis membrane (5) of the reverse osmosis membrane component is threaded through the central tube
Between group, and rolls to be formed to have around the central tube group and produce water flow passage, the filter core main body (14) of water purification runner, and is described anti-
Infiltration diaphragm unit formed productions water flow passage along the two sides of the axis direction of the central tube group at least within side pass through set
Side tree lace (3) sealing is set, and the width of at least one side tree lace (3) is 5-10mm, the side tree lace of the width value
It (3) is the first tree lace；
End cap (8) is suitable for connecting with the end part seal of the filter core main body (14), and at least in the institute of the filter core main body (14)
The first tree lace is stated to be equipped at one end.
2. reverse osmosis membrane filter element according to claim 1, which is characterized in that edge to the side for producing water flow passage side
First tree lace distance be 5-10mm.
3. reverse osmosis membrane filter element according to claim 1, which is characterized in that the end cap (8) and the filter core main body
(14) it is bonded between end by glue sealing.
4. reverse osmosis membrane filter element according to claim 3, which is characterized in that the gluing face (9) in the end cap (8) is equipped with
Glue with a thickness of 1-2mm.
5. reverse osmosis membrane filter element according to claim 4, which is characterized in that the end cap (8) includes bottom surface and circumference
Side wall, the bottom surface and the circumferential side wall constitute the gluing face (9).
6. reverse osmosis membrane filter element according to claim 1, which is characterized in that
The central tube group includes:
Central part；
Water inlet pipe (1), side wall are equipped with an at least raw water apopore, at least one end of the water inlet pipe (1) formed raw water into
The mouth of a river (10), and the water inlet pipe (1) surrounds the central part equipped with several.
7. the reverse osmosis membrane filter element stated according to claim 6, which is characterized in that the central part is pure water pipe (2), the pure water
The side wall for managing (2) is equipped with an at least pure water inlet, and at least one end of the pure water pipe (2) forms pure water outlet
(11), the two sides of the axis direction along the central tube group for producing water flow passage are respectively equipped with the side tree lace (3), the production
The side far from the pure water pipe (2) of water flow passage is equipped with tail tree lace (4), at least one in the two side tree laces (3) is set
It is set to first tree lace.
8. the reverse osmosis membrane filter element stated according to claim 7, which is characterized in that the two side tree laces (3), which are all provided with, is set to described
The both ends of one tree lace, the filter core main body (14) are equipped with the end cap (8), with ipsilateral described of the pure water outlet (11)
On end cap (8), have an end cap pure water outlet (13) being correspondingly arranged with the pure water outlet (11), and with the original
The end cap water inlet (12) that water water inlet (10) is correspondingly arranged.
9. reverse osmosis membrane filter element according to claim 6, which is characterized in that the central part is center axis (16), described
Wherein side is formed the pure water outlet (11) in the two sides of the axis direction along the central tube group of production water flow passage, another
Side is equipped with first tree lace, and the side far from the pure water pipe (2) for producing water flow passage is equipped with tail tree lace (4).
10. reverse osmosis membrane filter element according to claim 9, which is characterized in that the both ends of the filter core main body (14) are all provided with
There are the end cap (8), on the end cap (8) ipsilateral with the pure water outlet (11), there is one and the central axis
(16) the center axial outlet (15) being correspondingly arranged, and the end cap water inlet being correspondingly arranged with the raw water inlet (10)
(12)。
11. reverse osmosis membrane filter element according to claim 1 to 10, which is characterized in that
First side of each reverse osmosis membrane (5) is from the side of the corresponding water inlet pipe (1), through the central part and institute
State the gap between water inlet pipe (1), then after being pierced by from the other side of the water inlet pipe (1) with the reverse osmosis membrane (5) the
Two side doublings roll, and the feed water flow being connected to the water inlet pipe (1) is formed between the front of the same reverse osmosis membrane (5)
Road bonds to form the production water flow passage by tree lace between the back side of adjacent two reverse osmosis membrane (5).
12. reverse osmosis membrane filter element according to claim 11, 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
Produce the pure water selvage guide (7) in water flow passage.
13. the reverse osmosis membrane filter element according to any one of claim 6-10, which is characterized in that the water inlet flow channel is separate
One end of the water inlet pipe (1) forms concentrated water water outlet.
14. a kind of water purifier, which is characterized in that including reverse osmosis membrane filter element such as of any of claims 1-13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811069515.1A CN109019776A (en) | 2018-09-13 | 2018-09-13 | A kind of reverse osmosis membrane filter element and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811069515.1A CN109019776A (en) | 2018-09-13 | 2018-09-13 | A kind of reverse osmosis membrane filter element and water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109019776A true CN109019776A (en) | 2018-12-18 |
Family
ID=64622112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811069515.1A Pending CN109019776A (en) | 2018-09-13 | 2018-09-13 | A kind of reverse osmosis membrane filter element and water purifier |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934198A (en) * | 2010-10-07 | 2011-01-05 | 艾欧史密斯（上海）水处理产品有限公司 | Coiling type reverse osmosis membrane element with even water distribution |
| CN106903837A (en) * | 2015-12-22 | 2017-06-30 | 通用电气公司 | Glue sealing method and equipment |
| CN108421416A (en) * | 2017-02-14 | 2018-08-21 | 佛山市顺德区美的饮水机制造有限公司 | Spiral wound reverse-osmosis membrane element and water purifier |
| CN209193609U (en) * | 2018-09-13 | 2019-08-02 | 珠海格力电器股份有限公司 | A kind of reverse osmosis membrane filter element and water purifier |
-
2018
- 2018-09-13 CN CN201811069515.1A patent/CN109019776A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934198A (en) * | 2010-10-07 | 2011-01-05 | 艾欧史密斯（上海）水处理产品有限公司 | Coiling type reverse osmosis membrane element with even water distribution |
| CN106903837A (en) * | 2015-12-22 | 2017-06-30 | 通用电气公司 | Glue sealing method and equipment |
| CN108421416A (en) * | 2017-02-14 | 2018-08-21 | 佛山市顺德区美的饮水机制造有限公司 | Spiral wound reverse-osmosis membrane element and water purifier |
| CN209193609U (en) * | 2018-09-13 | 2019-08-02 | 珠海格力电器股份有限公司 | A kind of reverse osmosis membrane filter element and water purifier |
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