CN209039122U - 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
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- CN209039122U CN209039122U CN201821498136.XU CN201821498136U CN209039122U CN 209039122 U CN209039122 U CN 209039122U CN 201821498136 U CN201821498136 U CN 201821498136U CN 209039122 U CN209039122 U CN 209039122U
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Abstract
A kind of reverse osmosis membrane filter element and water purifier, reverse osmosis membrane filter element of the utility model include: central axis；Water inlet pipe, side wall are equipped with an at least raw water water outlet, 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 axis；Reverse osmosis membrane component, at least provided with one, reverse osmosis membrane in the reverse osmosis membrane component is arranged between the central axis and the water inlet pipe, and it is rolled around the central tube group and to form the filter core main body with water inlet flow channel, production water flow passage, 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 forms concentrated water and exports, side forms pure water outlet at least in the two sides of the axis direction along the central tube group for producing water flow passage.The reverse osmosis membrane filter element and water purifier water of the utility model are high-efficient, and antifouling property is good.
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 includes central tube and reverse osmosis membrane assembly, and reverse osmosis membrane assembly surrounds central tube
Filter core main body is turned to, one end of filter core main body forms raw water inlet, and the other end forms concentrated water water outlet, central tube and concentrated water
The ipsilateral one end of water outlet forms pure water outflux, and the drainage principle of the reverse osmosis membrane filter element is using raw water water inlet direction and dense
The direction of water outflow is parallel with central tube, and the direction for producing water outflow is vertical with central tube, by sealing film bag far from central tube three
Side, the separation of Lai Shixian raw water, concentrated water and pure water.The filter core of this structure has the following problems:
1, under pressure, filtering becomes pure water to raw water, and partial raw water is as waste water discharge, with the operation of time,
Raw water side form face forms concentration polarization layer, to cause filter core performance rapid decrease.
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
The extremely low region of flow velocity is flowed, the region film surface concentration polarization is serious, and raw water filtration path is only the axial direction length of central tube group
Degree, filtration path is short, and producing water ratio is extremely low.
3, reverse osmosis membrane 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 low defect of water rate, to provide a kind of reverse osmosis membrane filter element and water purifier that can be improved filter core water efficiency.
In order to solve the above technical problems, a kind of reverse osmosis membrane filter element of the utility model, comprising:
Central axis；
Water inlet pipe, side wall are equipped with an at least raw water water outlet, and at least one end of the water inlet pipe forms raw water water inlet
Mouthful, and several water inlet pipes are arranged to form central tube group around the central axis；
Reverse osmosis membrane component, at least provided with one, the reverse osmosis membrane in the reverse osmosis membrane component is arranged in institute
It states between central axis and the water inlet pipe, and rolls the filter to be formed with water inlet flow channel, production water flow passage around the central tube group
Core main body, wherein the water inlet flow channel is connected to the raw water water outlet, and the separate water inlet pipe of the water inlet flow channel
Side forms concentrated water outlet, side shape at least in the two sides of the axis direction along the central tube group for producing water flow passage
At pure 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 trend of the raw water water outlet is in corrugated or spiral shape.
The both ends of the water inlet pipe form raw water inlet.
The side A in the two sides A, B of the axis direction along the central tube group for producing water flow passage forms the pure water and goes out
Mouthful, B side seal, the A side seal in the two sides A, B of the axis direction along the central tube group of the water inlet flow channel.
The side A for producing water flow passage is equipped with pure water collection device and forms the pure water outlet, and the side B for producing water flow passage is set
There is first seal to be sealed the side B for producing water flow passage.
The side A of the water inlet flow channel is sealed using glue or adhesive tape or second seal.
It further include end cap, it is Nian Jie by glue sealing between the end cap and the end of the side B of the filter core main body.
The reverse osmosis membrane component includes reverse osmosis membrane, the first side of the reverse osmosis membrane from it is corresponding it is described into
The side of water pipe, through the gap between the central axis and the water inlet pipe, then from the other side of the water inlet pipe be pierced by after with
Second side doubling of the reverse osmosis membrane rolls, and is formed between the front of the same reverse osmosis membrane and is connected with the water inlet pipe
Logical water inlet flow channel forms the production water flow passage between the back side of adjacent two reverse osmosis membrane.
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.
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, water is flowed out from the raw water water outlet of water inlet pipe, into water inlet flow channel, and water inlet flow channel
The side far from the water inlet pipe form concentrated water outlet, such raw water filtration path is elongated, increases contact of the raw water with diaphragm
Time, raw water filtration is abundant, improves filter core water efficiency；Meanwhile pure water is produced the side outflow of water flow passage, pure water collection runner
Short, back pressure is small, and film surface two sides effective pressure increases, and filter core flux is big, and water processed is high-efficient, and film surface pressure is more equal compared with conventional bowl
It is even, delay filter core contaminated, extends filter element life.
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, for the structural schematic diagram of center axis；
Fig. 5, the structural schematic diagram that water inlet grid, second seal are set between two reverse osmosis membranes front；
Fig. 6, the structural schematic diagram that first seal, pure water collection device are set between two reverse osmosis membrane reverse side；
Fig. 7, the structural schematic diagram for end cap；
Description of symbols:
1- water inlet pipe；2- central axis；3- pure water outlet；4- water inlet flow channel direction；The outlet of 5- concentrated water；7- reverse osmosis membrane；
6- water inlet grid；8- raw water water outlet；9- raw water inlet；10- second seal；11- pure water collection device；12- first is close
Sealing；13- end cap；14- pure water selvage guide.
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. 1-7, a kind of reverse osmosis membrane filter element of the utility model, comprising:
Central axis 2；
Water inlet pipe 1, side wall are equipped with an at least raw water water outlet 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 central axis 2 setting；
Reverse osmosis membrane component, at least provided with one, the reverse osmosis membrane 7 in the reverse osmosis membrane component is arranged in institute
It states between central axis 2 and the water inlet pipe 1, and is rolled around the central tube group and to be formed with water inlet flow channel, produce water flow passage
Filter core 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, at least one of in the two sides of the axis direction along the central tube group for producing water flow passage
Side forms pure water outlet 3.
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 is produced the side of water flow passage, the i.e. end A outflow in Fig. 1, pure water collection stream
Road is short, and back pressure is small, and film surface two sides effective pressure increases, and filter core flux is big, and water processed is high-efficient, and film surface pressure is more equal compared with conventional bowl
It is even, delay filter core contaminated, extends filter element life.
Central tube group can be polygon, be also possible to circular.As long as being rolled 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.
Further, the shape of the raw water water outlet 8 makes the water flowed out from the raw water water outlet 8 in turbulent condition.
It is preferred that the raw water water outlet in a ring or the trend of the raw water water outlet be in corrugated or spiral shape, such raw water
Enter reverse osmosis membrane component in turbulent condition by raw water water outlet 8 to be formed by water inlet flow channel, the fluid of turbulent condition
Cartridge surface concentration polarization layer is confused, concentration polarization is mitigated, extends the reverse osmosis membrane filter element service life.Meanwhile raw water is from perpendicular in
Heart pipe group axis direction enters reverse osmosis membrane component and is formed by water inlet flow channel, and 8 width of raw water water outlet narrows, film surface stream
Speed increases, and improves the dynamics for washing away film surface pollution object, this mode water distribution is uniform, and raw water filtration can solve tradition without dead angle
The unbalanced problem of feed water by reverse osmosis end pressure improves raw water filtration efficiency, improves filter core water efficiency, mitigates concentration polarization, prolongs
Long filter element life.
The central axis 2 of the utility model can be solid, be also possible to hollow structure, but hollow 2 both ends of central axis
It must be provided with isolating device, such as partition.
As shown in Figure 1, it is preferred that the both ends formation raw water inlet 9 of the water inlet pipe 1, can increase filter core water inlet in this way
Amount, and then water inlet flow velocity can be increased.
As shown in Figure 1, the side A in the two sides A, B of the axis direction along the central tube group for producing water flow passage is formed
The pure water outlet 3, B side seal, the side A in the two sides A, B of the axis direction along the central tube group of the water inlet flow channel
Sealing.
It is preferred that the side A for producing water flow passage, which is equipped with pure water collection device 11, forms the pure water outlet 3, the production water flow passage
The side B be equipped with first seal 12 to it is described produce water flow passage the side B carry out, realize raw water, concentrated water and pure water separation.
Further, as shown in fig. 7, further including end cap 13, the end of the end cap 13 and the side B of the filter core main body it
Between be bonded by glue sealing, sealing can not only be reinforced in this way, width needed for reducing the tree lace of the side B improves filter core water and imitates
Rate, and can be realized the separation of raw water and concentrated water.
As shown in figure 5, it is preferred that the side A of the water inlet flow channel is realized using glue or adhesive tape or the sealing of second seal 10
The separation of raw water, concentrated water and pure water.
First seal 12,10 material of second seal can be rubber, are also possible to plastics, are also possible to metal.Together
When the utility model do not mention position sealing means be glue sealing.
The reverse osmosis membrane component includes reverse osmosis membrane 7, and the first side of the reverse osmosis membrane 7 is from corresponding described
The side of water inlet pipe 1 is worn through the gap between the central axis 2 and the water inlet pipe 1, then from the other side of the water inlet pipe 1
Rolled after out with second side doubling of the reverse osmosis membrane 7, between the front of the same reverse osmosis membrane 7 formation with it is described
The water inlet flow channel that water inlet pipe 1 is connected to forms the production water flow passage between the back side of adjacent two reverse osmosis membrane 7.It is reverse osmosis
Reverse osmosis membrane in diaphragm unit can also be a piece of and be folded into multi-disc, is also possible to two panels diaphragm and is formed.It is multiple reverse osmosis
The setting of diaphragm unit can form multiple water inlet flow channels, generate runner, to improve raw water utilization rate.The utility model it is anti-
When specifically rolling, water inlet pipe will be first preloaded onto reverse osmosis membrane component infiltration membrane filter, 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
Pure water selvage guide 14 in the production water flow passage.Water inlet grid 6 has the function of water conservancy diversion water inlet, avoids pollution object and is deposited on reverse osmosis
On permeable membrane piece 7.
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 at 1 both ends of water inlet pipe, enters two reverse osmosis membranes by the outflow of raw water water outlet 8
Piece front is formed by water inlet flow channel, and after the filtering of reverse osmosis membrane 7, pure water enters two reverse osmosis membrane reverse side and formed
Production water flow passage in, through produce water flow passage side pure water outlet 3 flow out, and the concentrated water of water inlet flow channel from far from water inlet pipe one end
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 (11)
1. a kind of reverse osmosis membrane filter element characterized by comprising
Central axis (2)；
Water inlet pipe (1), side wall are equipped with an at least raw water water outlet (8), and at least one end of the water inlet pipe (1) forms raw water
Water inlet (9), and several water inlet pipes (1) form central tube group around the central axis (2) setting；
Reverse osmosis membrane component, at least provided with one, the reverse osmosis membrane (7) in the reverse osmosis membrane component is arranged in described
Between central axis (2) and the water inlet pipe (1), and is rolled around the central tube group and to be formed with water inlet flow channel, produce water flow passage
Filter core main body, wherein the water inlet flow channel is connected to the raw water water outlet (8), and the water inlet flow channel far from it is described into
The side of water pipe (1) forms concentrated water and exports (5), in the two sides of the axis direction along the central tube group for producing water flow passage extremely
Few wherein side forms pure water outlet (3).
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 trend of the raw water water outlet (8) is in 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
Water inlet (9).
5. reverse osmosis membrane filter element according to claim 1, which is characterized in that it is described produce water flow passage along the central tube group
Axis direction the two sides A, B in the side A formed the pure water outlet (3), B side seal, the water inlet flow channel in described
A side seal in the two sides A, B of the axis direction of heart pipe group.
6. reverse osmosis membrane filter element according to claim 5, which is characterized in that received equipped with pure water the side A for producing water flow passage
Acquisition means (11) form the pure water outlet (3), and the side B for producing water flow passage is equipped with first seal (12) to the production water flow
The side B in road is sealed.
7. the reverse osmosis membrane filter element stated according to claim 5, which is characterized in that the side A of the water inlet flow channel uses glue or glue
Band or second seal (10) sealing.
8. reverse osmosis membrane filter element according to claim 5, which is characterized in that it further include end cap (13), the end cap (13)
It is Nian Jie by glue sealing between the end of the side B of the filter core main body.
9. reverse osmosis membrane filter element according to claim 1 to 8, which is characterized in that
The reverse osmosis membrane component includes reverse osmosis membrane (7), and the first side of the reverse osmosis membrane (7) is from corresponding described
The side of water inlet pipe (1), through the gap between the central axis (2) and the water inlet pipe (1), then from the water inlet pipe (1)
The other side is pierced by rear second side doubling with the reverse osmosis membrane (7) and rolls, the front of the same reverse osmosis membrane (7)
Between form the water inlet flow channel that is connected to the water inlet pipe (1), between the back side of adjacent two reverse osmosis membrane (7) described in formation
Produce water flow passage.
10. reverse osmosis membrane filter element according to claim 9, 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 (14) in water flow passage.
11. a kind of water purifier, which is characterized in that including reverse osmosis membrane filter element such as of any of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821498136.XU CN209039122U (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 |
|---|---|---|---|
| CN201821498136.XU CN209039122U (en) | 2018-09-13 | 2018-09-13 | A kind of reverse osmosis membrane filter element and water purifier |
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| CN209039122U true CN209039122U (en) | 2019-06-28 |
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| CN201821498136.XU Active CN209039122U (en) | 2018-09-13 | 2018-09-13 | A kind of reverse osmosis membrane filter element and water purifier |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996614A (en) * | 2018-09-13 | 2018-12-14 | 珠海格力电器股份有限公司 | A kind of reverse osmosis membrane filter element and water purifier |
| CN110508146A (en) * | 2019-09-20 | 2019-11-29 | 珠海格力电器股份有限公司 | Reverse osmosis membrane filter element and water purifier |
| CN112403275A (en) * | 2019-08-20 | 2021-02-26 | 佛山市顺德区美的饮水机制造有限公司 | Method for manufacturing reverse osmosis membrane element |
| CN113247991A (en) * | 2021-05-25 | 2021-08-13 | 追创科技(苏州)有限公司 | Reverse osmosis filter core and water purifier |
-
2018
- 2018-09-13 CN CN201821498136.XU patent/CN209039122U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996614A (en) * | 2018-09-13 | 2018-12-14 | 珠海格力电器股份有限公司 | A kind of reverse osmosis membrane filter element and water purifier |
| CN112403275A (en) * | 2019-08-20 | 2021-02-26 | 佛山市顺德区美的饮水机制造有限公司 | Method for manufacturing reverse osmosis membrane element |
| CN112403275B (en) * | 2019-08-20 | 2022-05-20 | 佛山市顺德区美的饮水机制造有限公司 | Method for manufacturing reverse osmosis membrane element |
| CN110508146A (en) * | 2019-09-20 | 2019-11-29 | 珠海格力电器股份有限公司 | Reverse osmosis membrane filter element and water purifier |
| CN113247991A (en) * | 2021-05-25 | 2021-08-13 | 追创科技(苏州)有限公司 | Reverse osmosis filter core and water purifier |
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