CN210163222U - Split type reverse osmosis filter element compounded with rear-mounted activated carbon and water purifier thereof - Google Patents

Split type reverse osmosis filter element compounded with rear-mounted activated carbon and water purifier thereof Download PDF

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Publication number
CN210163222U
CN210163222U CN201920322372.4U CN201920322372U CN210163222U CN 210163222 U CN210163222 U CN 210163222U CN 201920322372 U CN201920322372 U CN 201920322372U CN 210163222 U CN210163222 U CN 210163222U
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reverse osmosis
water
osmosis unit
pure water
central pipe
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陈小平
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Guangdong Lizi Technology Co Ltd
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Foshan Viomi Electrical Technology Co Ltd
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Abstract

A split type reverse osmosis filter element compounded with post-positioned active carbon and a water purifier thereof are provided with a first reverse osmosis unit and a second reverse osmosis unit compounded with the post-positioned active carbon, wherein the first reverse osmosis unit is connected with the second reverse osmosis unit through a pipeline; when the split type reverse osmosis filter element compounded with the rear-mounted active carbon works normally, water flow firstly enters the first reverse osmosis unit and then enters the second reverse osmosis unit. The utility model discloses compound the less second reverse osmosis unit of water yield in rearmounted active carbon filter house, second reverse osmosis unit are located the low reaches of first reverse osmosis unit, and second reverse osmosis unit is preferred in first reverse osmosis unit and goes out to block up and the scale deposit. The user only needs to change the second reverse osmosis unit when the rearmounted active carbon filter house of needs changing, and need not change whole reverse osmosis filter core to reach the purpose of sparingly changing the cost. The utility model discloses with reverse osmosis membrane equipment cover in the inside of rearmounted active carbon filter part, can not increase the filter core quantity of purifier.

Description

Split type reverse osmosis filter element compounded with rear-mounted activated carbon and water purifier thereof
Technical Field
The utility model relates to a reverse osmosis filter core field, in particular to split type reverse osmosis filter core and water purifier with rearmounted active carbon complex.
Background
The reverse osmosis filter core is the core element of purifier, and the reverse osmosis filter core will lose efficacy when using a period of time, in case the filter core became invalid, just need in time to change. When the reverse osmosis filter core of present purifier is being changed, the reverse osmosis filter core that became invalid is abandoned by whole. However, the cost of the reverse osmosis filter element is high, for example, a reverse osmosis filter element with a large flow rate of 400G needs more than 500 yuan, which results in high use cost of the water purifier.
Therefore, aiming at the defects of the prior art, the split type reverse osmosis filter element which can reduce the use cost of the filter element and is combined with the rear active carbon and the water purifier are necessary to solve the defects of the prior art.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the utility model is to avoid the defects of the prior art and provide a split type reverse osmosis filter element compounded with the rear active carbon. This with the split type reverse osmosis filter core of rearmounted active carbon complex can reduce the replacement cost of reverse osmosis filter core.
The above object of the present invention is achieved by the following technical measures:
the utility model provides a split type reverse osmosis filter core with rearmounted active carbon complex is provided with first reverse osmosis unit and with rearmounted active carbon complex second reverse osmosis unit, first reverse osmosis unit and second reverse osmosis unit with the tube coupling.
When the split type reverse osmosis filter element compounded with the rear-mounted active carbon works normally, water flow firstly enters the first reverse osmosis unit and then enters the second reverse osmosis unit.
The water yield of the first reverse osmosis unit is defined as B1The water yield of the second reverse osmosis unit is defined as B2In the presence of 0.75B1≥B2
Further 0.5B1≥B2
Preferably, the second reverse osmosis unit is provided with a rear activated carbon filtering part, a reverse osmosis membrane group and a central pipe part, and the reverse osmosis membrane group is wound on the outer surface of the central pipe part and is integrally sleeved in the rear activated carbon filtering part.
The water flow direction is that a water source is subjected to reverse osmosis through the first reverse osmosis unit to obtain pure water A and concentrated water A, the pure water A and the concentrated water A respectively enter the second reverse osmosis unit, the concentrated water A is subjected to reverse osmosis through the second reverse osmosis unit to obtain pure water B and concentrated water B, the pure water B and the pure water A are converged and enter the rear active carbon filtering part, and the concentrated water B is discharged.
Preferably, the reverse osmosis membrane set is provided with a plurality of reverse osmosis membranes, the plurality of reverse osmosis membranes are respectively wound on the outer surface of the central pipe part and sleeved in the rear activated carbon filtering part, and the reverse osmosis membranes are provided with a water production surface and a water inlet surface.
Preferably, above-mentioned reverse osmosis membrane is the reverse osmosis membrane of the double-deck rectangle structure of fifty percent discount and the face of intaking is relative, and the folding edge is rectangular minor face, will be first wide to the folding edge definition, will be wide with the minor face that is relative to the folding edge definition for the second, and two long limits adjacent with the folding edge definition are first length and second length, and the second is long keeps away from the water inlet of second reverse osmosis unit.
The water producing surface of each piece is hermetically connected with the water producing surface of the adjacent reverse osmosis membrane along the first length and the second length, and a channel formed by the first width and the second width is a pure water channel.
The water inlet surface of each piece is hermetically connected with the water inlet surface of the same reverse osmosis membrane along the second width, the first length and the second length, and an opening for the inlet and outlet of concentrated water is reserved on the first length and far away from the first width.
Defining the length of the opening as A1Defining the length of the first width as A2,0.5A2≥A1
Preferably, the central pipe portion is provided with a concentrated water central pipe for concentrated water and a pure water central pipe for pure water.
Preferably, the first width of the produced water surface is against the pure water central pipe.
Preferably, the concentrated water central pipe is connected to the water inlet surface without a gap and is parallel to the first width, and the concentrated water central pipe is not in contact with the water production surface.
Preferably, the concentrated water central pipe corresponds to a reverse osmosis membrane one by one.
Preferably, the first reverse osmosis unit is provided with a water inlet, a concentrated water outlet and a purified water outlet.
The concentrated water central pipe is communicated with a concentrated water outlet, the pure water central pipe is communicated with a pure water outlet, and the opening is a concentrated water outlet; or
The opening is communicated with the water inlet, the pure water central pipe is communicated with the pure water outlet, and the concentrated water central pipe is a concentrated water outlet channel.
The water producing surface of each piece is hermetically connected with the water producing surface of the adjacent reverse osmosis membrane along the first length and the second length, and a channel formed by the first width and the second width is a pure water channel.
The water inlet surface of each piece is in sealing connection with the water inlet surface of the same reverse osmosis membrane along the second width, and the channel formed by the first length and the second length is a concentrated water channel.
Preferably, the first width of the water production surface abuts against the central tube portion.
Preferably, the first reverse osmosis unit is integrally connected to an external device.
Preferably, the external device is pre-PP cotton or pre-activated carbon.
The water flow direction is that the water source is filtered by an external device, the filtered water source enters a first reverse osmosis unit and is subjected to reverse osmosis by a first reverse osmosis unit to obtain pure water A and concentrated water A, the pure water A and the concentrated water A respectively enter a second reverse osmosis unit, the concentrated water B is subjected to reverse osmosis by a second reverse osmosis unit to obtain pure water B and concentrated water B, the pure water B and the pure water A are converged and enter a rear-mounted activated carbon filtering part, and the concentrated water B is discharged.
The utility model discloses a split type reverse osmosis filter element compounded with rear-mounted active carbon, which is provided with a first reverse osmosis unit and a second reverse osmosis unit compounded with the rear-mounted active carbon, wherein the first reverse osmosis unit and the second reverse osmosis unit are connected by a pipeline; when the split type reverse osmosis filter element compounded with the rear-mounted active carbon works normally, water flow firstly enters the first reverse osmosis unit and then enters the second reverse osmosis unit. The utility model discloses compound the less second reverse osmosis unit of water yield in rearmounted active carbon filter house, second reverse osmosis unit are located the low reaches of first reverse osmosis unit, and second reverse osmosis unit is in preference to first reverse osmosis unit and goes out to block up and the scale deposit. The user only needs to change the second reverse osmosis unit when the rearmounted active carbon filter house of needs changing, and need not change whole reverse osmosis filter core to reach the purpose of sparingly changing the cost. The utility model discloses with reverse osmosis membrane equipment cover in the inside of rearmounted active carbon filter part, can not increase the filter core quantity of purifier. The second reverse osmosis unit and the rear active carbon filtering part share one filter element shell, so that the production cost is reduced.
The utility model discloses a weak point of another utility model aims at avoiding prior art provides a water purifier. The water purifier can reduce the replacement cost of the reverse osmosis filter element.
The above object of the present invention is achieved by the following technical measures:
the water purifier with the split type reverse osmosis filter element compounded with the post-positioned active carbon is provided.
The utility model discloses a water purifier has with the compound split type reverse osmosis filter core of rearmounted active carbon, and this water purifier can reduce the replacement cost of reverse osmosis filter core.
Drawings
The present invention will be further described with reference to the accompanying drawings, but the contents in the drawings do not constitute any limitation to the present invention.
Fig. 1 is a schematic cross-sectional structure diagram of a second reverse osmosis unit of a split reverse osmosis filter element compounded with rear activated carbon according to the present invention.
Fig. 2 is a schematic cross-sectional structure diagram of a first reverse osmosis unit of a split type reverse osmosis filter element compounded with rear activated carbon of the present invention.
FIG. 3 is a schematic view of the folding process of the single reverse osmosis membrane of example 1.
FIG. 4 is a schematic view of a reverse osmosis membrane folding process with an adjacent reverse osmosis membrane.
FIG. 5 is a schematic view of the water flow direction on the water inlet surface in example 1.
FIG. 6 is a schematic view showing the direction of water flow at the water producing surface in example 1.
FIG. 7 is a schematic view showing the direction of water flow on the water inlet surface in example 2.
FIG. 8 is a schematic view of the folding process for a single reverse osmosis membrane of example 3.
FIG. 9 is a schematic view of the folding of a reverse osmosis membrane of example 3 with an adjacent reverse osmosis membrane.
FIG. 10 is a schematic view showing the direction of water flow on the water inlet surface in example 3.
FIG. 11 is a schematic view showing the direction of water flow at the water producing surface in example 3.
In fig. 1 to 11, the following components are included:
a first reverse osmosis unit 1, a water inlet 11, a concentrated water outlet 12, a purified water outlet 13,
A second reverse osmosis unit 2,
A post-positioned active carbon filtering part 21,
Reverse osmosis membrane stack 22, reverse osmosis membrane 221, water inlet 2211, water production 2212, first width 2213, second width 2214, first length 2215, second length 2216, opening 2217,
A central tube part 23, a concentrated water central tube 231, a pure water central tube 232,
A housing 24.
Detailed Description
The technical solution of the present invention will be further explained by the following examples.
Example 1.
A split type reverse osmosis filter element compounded with post-positioned activated carbon is provided with a first reverse osmosis unit 1 and a second reverse osmosis unit 2 compounded with the post-positioned activated carbon, wherein the first reverse osmosis unit 1 and the second reverse osmosis unit 2 are connected through a pipeline, as shown in figures 1 to 6.
When the split type reverse osmosis filter element compounded with the rear-mounted active carbon works normally, water flow firstly enters the first reverse osmosis unit 1 and then enters the second reverse osmosis unit 2.
A first reverse osmosis unit1 Water yield is defined as B1The water yield of the second reverse osmosis unit 2 is defined as B2Set to 0.75B1≥B2
It should be noted that, B of the present invention2Can be B1The number of times of the above-mentioned (A) is 0.75 times, 0.5 times, 0.4 times, 0.3 times, 0.2 times, etc., and any integer of 0.75 times or less may be used, and the specific integer is determined in accordance with the actual situation. 0.5B of this example1≥B2And specifically is B2Is 0.3B1. According to a large number of experiments, the test result proves that when the B content is 0.3B1In the process, the failure time of the reverse osmosis membrane set 22 is the same as that of the rear active carbon filtering part 21, so that the waste of the reverse osmosis membrane set 22 and the rear active carbon filtering part 21 is avoided, and the replacement cost of the split reverse osmosis filter element is the minimum.
The second reverse osmosis unit 2 is provided with a rear activated carbon filtration part 21, a reverse osmosis membrane group 22 and a central pipe part 23, and the reverse osmosis membrane group 22 is wound on the outer surface of the central pipe part 23 and is integrally sleeved inside the rear activated carbon filtration part 21.
The water flow direction is that the water source gets pure water A and dense water A through first reverse osmosis unit 1 reverse osmosis, and pure water A and dense water A enter second reverse osmosis unit 2 respectively, and dense water A gets pure water B and dense water B through second reverse osmosis unit 2 reverse osmosis, and pure water B joins with pure water A and gets into rearmounted active carbon filter house 21, and dense water B discharges.
The reverse osmosis membrane group 22 is provided with a plurality of reverse osmosis membranes 221, the plurality of reverse osmosis membranes 221 are respectively wound on the outer surface of the central pipe part 23 and are sleeved inside the rear activated carbon filtering part 21, and the reverse osmosis membranes 221 are provided with a water production surface 2212 and a water inlet surface 2211.
The reverse osmosis membrane 221 is folded into a double-layer rectangular reverse osmosis membrane 221, the water inlet surfaces 2211 are opposite, the folded edge is a rectangular short edge, the folded edge is defined as a first width 2213, the short edge opposite to the folded edge is defined as a second width 2214, two long edges adjacent to the folded edge are defined as a first length 2215 and a second length 2216, and the second length 2216 is far away from the water inlet of the second reverse osmosis unit 2.
The water producing surface 2212 of each sheet is hermetically connected with the water producing surface 2212 of the adjacent reverse osmosis membrane 221 along the first length 2215 and the second length 2216, and the channel formed by the first width 2213 and the second width 2214 is a pure water channel;
the water inlet surface 2211 of each sheet is sealingly connected to the water inlet surface 2211 of the same reverse osmosis membrane 221 along a second width 2214, a first length 2215 and a second length 2216, and an opening 2217 for the ingress and egress of concentrate is left in the first length 2215 and away from the first width 2213.
Define the length of opening 2217 as A1The length of the first width 2213 is defined as A2,0.5A2≥A1
It should be noted that, the utility model A1Can be A2The number of times of the reaction solution is 0.5, 0.4, 0.3, 0.2, etc., and any integer of 0.5 or less may be used, and the specific integer is determined in accordance with the actual situation. A of the present example1Is 0.3A2. According to a large number of experiments, the temperature of the mixture is proved to be 0.3A2In the process, the ratio of the concentrated water flow speed to the scaling speed of the second reverse osmosis unit 2 is optimal, so that scaling can be prevented, and the water outlet speed cannot be influenced.
The central tube portion 23 is provided with a concentrate central tube 231 for transporting concentrate and a pure water central tube 232 for transporting pure water. The first width 2213 of the water producing surface 2212 abuts against the pure water central pipe 232, the concentrated water central pipe 231 is connected to the water inlet surface 2211 without a gap and is parallel to the first width 2213, and the concentrated water central pipe 231 is not in contact with the water producing surface 2212.
The concentrate central pipe 231 corresponds to the reverse osmosis membranes 221 one by one. The first reverse osmosis unit 1 is provided with a water inlet 11, a concentrated water outlet 12 and a purified water outlet 13.
The concentrated water central pipe 231 is communicated with a concentrated water outlet 12, the pure water central pipe 232 is communicated with a pure water outlet 13, and the opening 2217 is a concentrated water outlet.
The water flow direction of this embodiment is water source and obtains pure water A and dense water A through first reverse osmosis unit 1 reverse osmosis, and pure water A gets into pure water center tube 232 from water purification export 13 and then gets into the pure water passageway and finally flows to rearmounted active carbon filter part 21, and dense water A gets into dense water center tube 231 from dense water export 12 and gets dense water B and pure water B through reverse osmosis membrane 221 reverse osmosis, and pure water B is finally to flow to rearmounted active carbon filter part 21 through the pure water passageway, and dense water B flows out split type reverse osmosis from opening 2217 and strains.
Many cases of reverse osmosis filter element failure in the prior art are not integral failure, but blockage and scaling occur in the effective area close to the concentrated water outlet section, so that the water production capacity of the membrane element is reduced. However, in the whole reverse osmosis filter element, only some parts close to the concentrated water side are blocked, and the area close to the water inlet and a part of the middle area are membranes with normal functions and do not need to be replaced. This results in increased costs for the user to replace the filter cartridge. The utility model discloses a with the compound split type reverse osmosis filter core of rearmounted active carbon, only need change the second reverse osmosis unit of earlier scale deposit and need not change first reverse osmosis unit.
The split type reverse osmosis filter element compounded with the rear active carbon is provided with a first reverse osmosis unit 1 and a second reverse osmosis unit 2 compounded with the rear active carbon, wherein the first reverse osmosis unit 1 and the second reverse osmosis unit 2 are connected through a pipeline; when the split type reverse osmosis filter element compounded with the rear-mounted active carbon works normally, water flow firstly enters the first reverse osmosis unit 1 and then enters the second reverse osmosis unit 2. The utility model discloses compound the less second reverse osmosis unit 2 of water yield in rearmounted active carbon filter unit 21, second reverse osmosis unit 2 is located the low reaches of first reverse osmosis unit 1, and second reverse osmosis unit 2 takes precedence over 1 play of first reverse osmosis unit and blocks up and the scale deposit. The user only needs to change the second reverse osmosis unit 2 when the rear active carbon filtering part 21 needs to be changed, and does not need to change the whole reverse osmosis filter element, thereby achieving the purpose of saving the replacement cost. The utility model discloses with reverse osmosis membrane group 22 equipment cover in the inside of rearmounted active carbon filter part 21, can not increase the filter core quantity of purifier. The second reverse osmosis unit 2 and the post-positioned active carbon filtering part 21 share one filter element shell, so that the production cost is reduced.
Example 2.
A split type reverse osmosis filter element compounded with post-positioned activated carbon is shown in figure 7, and the other characteristics are the same as those of the embodiment 1, except that an opening 2217 is communicated with a water inlet 11, a pure water central pipe 232 is communicated with a pure water outlet 13, and a concentrated water central pipe 231 is a concentrated water outlet channel.
The water flow direction of this embodiment is water source and obtains pure water A and dense water A through 1 reverse osmosis of first reverse osmosis unit, and pure water A gets into pure water center tube 232 from water purification export 13 and then gets into the pure water passageway and finally flows to rearmounted active carbon filter 21, and dense water A gets into reverse osmosis membrane 221 from dense water export 12 through opening 2217, gets dense water B and pure water B through reverse osmosis membrane 221 reverse osmosis, and pure water B flows to rearmounted active carbon filter 21 through the pure water passageway, and dense water B is from the split type reverse osmosis of dense water center tube 231 outflow and is strained.
Compared with the embodiment 1, the flowing direction of the concentrated water in the embodiment is opposite to that in the embodiment 1, so that the sectional area of the concentrated water a entering the water inlet surface 2211 can be reduced, the flow speed of the concentrated water on the water inlet surface 2211 can be increased, and the scaling can be prevented better.
Example 3.
A split reverse osmosis cartridge combined with a post-positioned activated carbon, as shown in fig. 8 to 11, has the same other features as in example 1, except that the water producing surface 2212 of each membrane is hermetically connected with the water producing surface 2212 of the adjacent reverse osmosis membrane 221 along a first length 2215 and a second length 2216, and the passage formed by the first width 2213 and the second width 2214 is a pure water passage.
The water inlet surface 2211 of each sheet is hermetically connected with the water inlet surface 2211 of the same reverse osmosis membrane 221 along the second width 2214, and the channel formed by the first length 2215 and the second length 2216 is a concentrated water channel. The first width 2213 of the water production surface 2212 abuts the central tube portion 23.
The rivers direction of this embodiment is water source and obtains pure water A and dense water A through 1 reverse osmosis of first reverse osmosis unit, and pure water A gets into pure water center tube 232 from water purification export 13 and then gets into the pure water passageway and finally flows to rearmounted active carbon filter 21, and dense water A gets into reverse osmosis membrane 221 through dense water passageway from dense water export 12, obtains dense water B and pure water B through reverse osmosis membrane 221 reverse osmosis, and pure water B flows to rearmounted active carbon filter 21 through pure water passageway, and dense water B flows out split type reverse osmosis from dense water passageway and strains.
Compared with embodiment 1, the present embodiment has only one central tube, so that the production cost can be reduced and the production steps can be simplified.
Example 4.
A split type reverse osmosis filter element compounded with post-positioned active carbon has the same other characteristics as embodiment 1, except that a first reverse osmosis unit 1 is integrally connected with an external device.
The external device of the utility model is a front PP cotton or a front activated carbon.
The water flow direction is that the water source filters through the external device, and the water source after filtering gets into first reverse osmosis unit 1 through first reverse osmosis unit 1 reverse osmosis and obtains pure water A and dense water A, and pure water A and dense water A get into second reverse osmosis unit 2 respectively, and dense water B gets pure water B and dense water B through second reverse osmosis unit 2 reverse osmosis, and pure water B joins with pure water A and gets into rearmounted active carbon filter house 21, and dense water B discharges.
Compared with the embodiment 1, the split type reverse osmosis filter element of the embodiment is completely compounded with other filter elements, so that the number of the filter elements of the water purifier can be reduced.
Example 5.
A water purifier, which is provided with a split type reverse osmosis filter element compounded with post-positioned active carbon in the embodiment 1.
The water purifier can reduce the replacement cost of the reverse osmosis filter element.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The utility model provides a with compound split type reverse osmosis filter core of rearmounted active carbon which characterized in that: the device is provided with a first reverse osmosis unit and a second reverse osmosis unit compounded with post-positioned active carbon, wherein the first reverse osmosis unit and the second reverse osmosis unit are connected by a pipeline;
when the split type reverse osmosis filter element compounded with the rear-mounted active carbon works normally, water flow firstly enters the first reverse osmosis unit and then enters the second reverse osmosis unit.
2. The split type reverse osmosis filter element compounded with the post-positioned activated carbon according to claim 1, wherein: the water yield of the first reverse osmosis unit is defined as B1The water yield of the second reverse osmosis unit is defined as B2In the presence of 0.75B1≥B2
3. The split type reverse osmosis filter element compounded with the post-positioned activated carbon according to claim 2, wherein: 0.5B1≥B2
4. The split type reverse osmosis filter element compounded with the post-positioned activated carbon as claimed in claim 3, wherein: the second reverse osmosis unit is provided with a rear active carbon filtering part, a reverse osmosis membrane group and a central pipe part, and the reverse osmosis membrane group is wound on the outer surface of the central pipe part and is integrally sleeved inside the rear active carbon filtering part;
the water source is subjected to reverse osmosis by the first reverse osmosis unit to obtain pure water A and concentrated water A, the pure water A and the concentrated water A respectively enter the second reverse osmosis unit, the concentrated water A is subjected to reverse osmosis by the second reverse osmosis unit to obtain pure water B and concentrated water B, the pure water B and the pure water A are converged and enter the rear active carbon filtering part, and the concentrated water B is discharged.
5. The split type reverse osmosis filter element compounded with the post-positioned activated carbon as claimed in claim 4, wherein: the reverse osmosis membrane group is provided with a plurality of reverse osmosis membranes which are respectively wound on the outer surface of the central pipe part and sleeved in the rear activated carbon filtering part, and the reverse osmosis membranes are provided with a water production surface and a water inlet surface;
the reverse osmosis membrane is folded into a double-layer rectangular structure, the water inlet surfaces of the reverse osmosis membrane are opposite, the opposite folding edges are rectangular short edges, the opposite folding edges are defined as a first width, the short edges opposite to the opposite folding edges are defined as a second width, two long edges adjacent to the opposite folding edges are defined as a first length and a second length, and the second length is far away from the water inlet of the second reverse osmosis unit;
the water production surface of each piece is hermetically connected with the water production surface of the adjacent reverse osmosis membrane along a first length and a second length, and a channel formed by the first width and the second width is a pure water channel;
the water inlet surface of each piece is hermetically connected with the water inlet surface of the same reverse osmosis membrane along the second width, the first length and the second length, and an opening for the inlet and outlet of concentrated water is reserved on the first length and far away from the first width;
defining the length of the opening as A1Defining the length of the first width as A2,0.5A2≥A1
6. The split type reverse osmosis filter element compounded with the post-positioned activated carbon as claimed in claim 5, wherein: the central pipe part is provided with a concentrated water central pipe for conveying concentrated water and a pure water central pipe for conveying pure water;
the first width of the water production surface is abutted against the pure water central pipe;
the concentrated water central pipe is seamlessly connected to the water inlet surface and is parallel to the first width, and the concentrated water central pipe is not in contact with the water production surface.
7. The split type reverse osmosis filter element compounded with the post-positioned activated carbon as claimed in claim 6, wherein: the concentrated water central pipe corresponds to the reverse osmosis membranes one by one;
the first reverse osmosis unit is provided with a water inlet, a concentrated water outlet and a purified water outlet;
the concentrated water central pipe is communicated with a concentrated water outlet, the pure water central pipe is communicated with a pure water outlet, and the opening is a concentrated water outlet; or
The opening is communicated with the water inlet, the pure water central pipe is communicated with the pure water outlet, and the concentrated water central pipe is a concentrated water outlet channel.
8. The split type reverse osmosis filter element compounded with the post-positioned activated carbon as claimed in claim 5, wherein: the water production surface of each piece is hermetically connected with the water production surface of the adjacent reverse osmosis membrane along a first length and a second length, and a channel formed by the first width and the second width is a pure water channel;
the water inlet surface of each sheet is hermetically connected with the water inlet surface of the same reverse osmosis membrane along a second width, and a channel formed by the first length and the second length is a concentrated water channel;
the first width of the water production surface is abutted against the central pipe part.
9. The split type reverse osmosis filter element compounded with the post-positioned activated carbon according to any one of claims 5 to 8, wherein: the first reverse osmosis unit is integrally connected with an external device;
the external device is front PP cotton or front activated carbon;
the water flow direction is that the water source is filtered by an external device, the filtered water source enters a first reverse osmosis unit and is subjected to reverse osmosis by a first reverse osmosis unit to obtain pure water A and concentrated water A, the pure water A and the concentrated water A respectively enter a second reverse osmosis unit, the concentrated water B is subjected to reverse osmosis by a second reverse osmosis unit to obtain pure water B and concentrated water B, the pure water B and the pure water A are converged and enter a rear-mounted activated carbon filtering part, and the concentrated water B is discharged.
10. A water purifier is characterized in that: the split reverse osmosis filter element compounded with the post-positioned activated carbon as claimed in any one of claims 1 to 9.
CN201920322372.4U 2019-03-13 2019-03-13 Split type reverse osmosis filter element compounded with rear-mounted activated carbon and water purifier thereof Active CN210163222U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109879459A (en) * 2019-03-13 2019-06-14 佛山市云米电器科技有限公司 A kind of and post active carbon compound split type reverse osmosis filter core and its water purifier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109879459A (en) * 2019-03-13 2019-06-14 佛山市云米电器科技有限公司 A kind of and post active carbon compound split type reverse osmosis filter core and its water purifier
CN109879459B (en) * 2019-03-13 2024-03-19 广东栗子科技有限公司 Split type reverse osmosis filter core combined with rear-mounted active carbon and water purifier thereof

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