CN216799385U - Multifunctional composite RO (reverse osmosis) membrane element and reverse osmosis filter element thereof - Google Patents
Multifunctional composite RO (reverse osmosis) membrane element and reverse osmosis filter element thereof Download PDFInfo
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- CN216799385U CN216799385U CN202121578974.XU CN202121578974U CN216799385U CN 216799385 U CN216799385 U CN 216799385U CN 202121578974 U CN202121578974 U CN 202121578974U CN 216799385 U CN216799385 U CN 216799385U
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Abstract
The utility model provides a multifunctional composite RO membrane element and a reverse osmosis filter element thereof, wherein the multifunctional composite RO membrane element comprises an RO membrane, and a composite layer for reprocessing purified water is arranged on the contact surface of the RO membrane contacting with the purified water. The utility model solves the problems in the prior art that: how to integrate the retreatment of the purified water and the RO membrane filtration and reduce the volume of the filtration equipment; the second problem is that: the problem of high frequency replacement caused by filter elements with different functions is avoided.
Description
Technical Field
The utility model relates to the technical field of water filtering equipment, in particular to a multifunctional composite RO membrane element and a reverse osmosis filter element thereof.
Background
In the prior art, the water filtered by the RO membrane needs to be reprocessed, and usually, a device and/or a component and/or a filter element for reprocessing is added after the filtering device containing the RO membrane, and the water filtered by the RO membrane is reprocessed again (including but not limited to removing residual chlorine and/or removing impurities), for example, a single carbon rod filter element is additionally installed to perform residual chlorine adsorption and/or a non-woven fabric is additionally installed to perform impurity adsorption, so that the whole water filter machine is large in size, the service lives of the filter elements with different functions are different, the material cost for replacing the filter element is high, and the labor cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multifunctional composite RO membrane element and a reverse osmosis filter element thereof, which mainly solve the problems that in the prior art, the first problem is how to integrate the retreatment of purified water and the RO membrane filtration and reduce the volume of filtration equipment; the second problem is that: avoid the problem of leading to the high frequency to change because of different function filter cores, and the multi-functional compound RO membrane element and reverse osmosis filter core that provide.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a multi-functional compound RO membrane element, includes the RO diaphragm, its characterized in that: and a composite layer for reprocessing the purified water is arranged on the contact surface of the RO membrane contacted with the purified water.
Further, the retreated composite layer comprises a composite layer for removing residual chlorine and/or impurities and/or scale and/or heavy metals and/or organic matters and/or improving pH value and/or inhibiting bacteria of the purified water after the RO membrane filtration.
Further, the composite layer is a carbon fiber cloth and/or a PP cotton and/or a cloth and/or a non-woven fabric and/or a carbon powder layer and/or a carbon particle layer and/or an ion exchange resin and/or a composite layer made of a mineralized material and/or a composite layer made of a heavy metal adsorbing material and/or a composite layer made of an organic matter adsorbing material.
Furthermore, the composite layer is a layer, a water producing layer is arranged on one side of the composite layer, which is opposite to the RO membrane, and/or a water producing layer is arranged on one side of the composite layer, which faces the RO membrane;
or the composite layer (2) is more than two layers;
or the composite layer (2) is more than two layers, and a water producing layer (3) is arranged between the composite layer (2) and the composite layer (2).
Furthermore, the composite layer is a layer, the water producing layer is a layer, and the multifunctional composite RO membrane element is formed by sequentially stacking an RO membrane, the composite layer and the water producing layer by layer;
or the composite layer is a layer, the water producing layer is two layers, and the multifunctional composite RO membrane element is formed by sequentially stacking an RO membrane, a water producing layer, a composite layer and a water producing layer by layer;
or the composite layer is two layers, and the multifunctional composite RO membrane element is formed by sequentially stacking an RO membrane, the composite layer and the composite layer by layer;
or the composite layer is two layers, the water production layer is one layer, and the multifunctional composite RO membrane element is formed by sequentially stacking an RO membrane, the composite layer, the water production layer and the composite layer by layer.
A reverse osmosis filter core which is characterized in that: the reverse osmosis filter element comprises the multifunctional composite RO membrane element, two RO membranes form a group, a space for collecting filtered purified water is formed between every two RO membranes, and the composite layer is positioned in the space;
a composite layer for reprocessing the purified water is arranged on the contact surface of one RO membrane in each group, which is contacted with the purified water; or the contact surfaces of the two RO membranes in each group, which are contacted with the purified water, are provided with composite layers for reprocessing the purified water.
Further, the space is communicated with the cavity of the central tube; and/or a water inlet layer is arranged on the contact surface of the RO membrane contacting with the raw water.
A reverse osmosis filter core which is characterized in that: the reverse osmosis filter element comprises the multifunctional composite RO membrane element, two RO membranes form a group, a space for collecting filtered purified water is formed between every two RO membranes, and the composite layer is positioned in the space;
a composite layer for reprocessing the purified water is arranged on the contact surface of one RO membrane in each group, which is contacted with the purified water; or the contact surfaces of the two RO membranes in each group, which are contacted with the purified water, are provided with composite layers for reprocessing the purified water.
Further, the space is communicated with the cavity of the central tube; and/or a water inlet layer is arranged on the contact surface of the RO membrane contacting with the raw water.
Furthermore, the composite layer is a carbon fiber cloth layer;
or the composite layer is composed of two layers, namely a carbon fiber cloth layer and a PP cotton layer.
In view of the technical characteristics, the utility model has the following beneficial effects:
1. according to the multifunctional composite RO membrane element, the functions required by the re-treatment are realized by additionally arranging the composite layer on the RO membrane, namely, the re-treatment of the purified water and the filtering of the water by the RO membrane are integrally arranged, so that the RO membrane element has the function of re-treating the purified water, a re-treatment filter element or a component with various functions is not required to be additionally arranged, the cost is saved, and the space occupied by the whole filtering equipment is greatly reduced.
2. Because the post-treatment filter element or component with various functions is not arranged, the problem of replacement of the post-treatment filter element or component is solved, the material cost and the labor cost are saved, and the product is more practical.
3. Because the post-treatment filter elements or parts with various functions are not arranged, the problem that the post-treatment filter elements or parts need to be replaced according to different time limits due to different service lives is solved (one or more post-treatment single filter elements are easy to replace, damage to the RO membrane is easy to cause and great loss). The problem of high-frequency replacement caused by filter elements with different functions is also avoided.
Drawings
FIG. 1 is a schematic structural view of a multifunctional composite RO membrane element (single-layer composite layer, no water-producing cloth) in example 1;
FIG. 2 is a schematic structural view of a multifunctional composite RO membrane element (single-layer composite layer, single-layer water-producing cloth) in example 1;
FIG. 3 is a schematic structural view of a multifunctional composite RO membrane element in example 1 (single-layer composite layer, two-layer water-producing cloth);
FIG. 4 is a schematic structural view of a multifunctional composite RO membrane element of example 1 (two composite layers, no water-producing cloth);
FIG. 5 is a schematic diagram of the structure of a multifunctional composite RO membrane element (two composite layers, single-layer water-producing cloth) in example 1.
In the figure: 1. an RO membrane; 2. compounding layers; 3. and a water producing layer.
Detailed Description
The utility model will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
By "raw water" is meant water that enters a filter element (e.g., a reverse osmosis filter element) to be filtered, or unfiltered water; the term "purified water" refers to relatively clean water filtered by the RO membrane 1, and is simply referred to as purified water with respect to raw water not filtered by the RO membrane, and the term "contaminated water" refers to remaining contaminated water (e.g., water containing a large amount of impurities and/or chlorine residue and/or water containing a large amount of scale) that does not meet safety standards after being filtered by the RO membrane 1. The RO membrane 1 is a reverse osmosis membrane, and is generally used in a reverse osmosis filter element.
The "multifunctional composite RO membrane element" is a membrane element in which a composite layer 2 having a function of reprocessing the purified water filtered by an RO membrane 1 is added to the RO membrane, then the RO membrane is used in an independent reverse osmosis filter element, namely the single reverse osmosis filter element can reprocess the purified water filtered by the RO membrane 1, other devices and/or equipment for reprocessing the purified water are not needed to be added behind the reverse osmosis filter element, and the reprocessing process of the purified water can also be realized, at the moment, the reprocessing includes but is not limited to the processing process of removing residual chlorine and/or impurities and/or incrustation scale and/or heavy metals and/or organic matters and/or PH value and/or bacteriostasis for the purified water, the reprocessed purified water is more beneficial to the health of human body, and the RO membrane 1 added with the composite layer 2 is the multifunctional composite RO membrane element at the moment.
Referring to fig. 1 and 2, embodiment 1, this embodiment 1 provides a multifunctional composite RO membrane element, which includes an RO membrane 1, and a composite layer 2 for reprocessing purified water is disposed on a contact surface of the RO membrane 1 contacting purified water.
The functions required by the re-treatment are realized by adding the composite layer 2 on the RO membrane 1, so that the post-treatment equipment with various functions or other filter elements or equipment or parts are not needed to be additionally arranged, the cost is saved, and the space occupied by the whole filtering equipment is greatly reduced.
And secondly, as the post-treatment filter element or component with various functions is not required to be arranged, the problem of replacement of the post-treatment filter element or component is solved, the material cost and the labor cost are saved, and the multifunctional composite RO membrane element is more practical.
And thirdly, because the post-treatment filter element or component with various functions is not arranged, the problem that the post-treatment filter element or component needs to be replaced according to different time limits due to different service lives of the post-treatment filter element or component is solved.
Finally, the utility model meets the requirements of various water purification retreatments through a plurality of composite layers 2 with different functions, and has more convenient use and better water purification effect.
The retreated composite layer 2 comprises a composite layer 2 for removing residual chlorine and/or impurities and/or scale and/or heavy metals and/or organic matters and/or improving pH value and/or inhibiting bacteria of the purified water filtered by the RO membrane 1.
The composite layer 2 is a carbon fiber cloth and/or PP cotton and/or cloth and/or non-woven fabric and/or a carbon powder layer and/or a carbon particle layer and/or ion exchange resin and/or a composite layer made of a mineralized material and/or a composite layer made of a heavy metal adsorbing material and/or a composite layer made of an organic matter adsorbing material.
The composite layer made of the mineralized material can realize the functions of improving the pH value and/or inhibiting bacteria on the purified water filtered by the RO membrane 1.
The composite layer made of the material capable of adsorbing heavy metals can realize the function of adsorbing heavy metals (including but not limited to chromium, copper, lead, zinc, nickel and the like) on the purified water filtered by the RO membrane 1, and reduce the content of the heavy metals in the purified water.
The composite layer made of the adsorbed organic matter material can realize the function of adsorbing organic matters on the purified water filtered by the RO membrane 1, and reduce the content of the organic matters in the purified water.
For example, the composite layer 2 is a layer, and the composite layer 2 for reprocessing the purified water is disposed on the contact surface of the RO membrane 1 contacting the purified water, that is, the RO membrane 1 and the composite layer 2 are sequentially stacked.
Preferably, two sets of RO membranes 1 are used as one set, and in this case, the RO membranes 1, the composite layer 2 and the RO membranes 1 are sequentially stacked, as shown in fig. 1.
For example, the composite layer 2 is a layer, a water producing layer 3 is arranged on one side of the composite layer 2 opposite to the RO membrane 1, and at the moment, the multifunctional composite RO membrane element is formed by sequentially stacking the RO membrane 1, the composite layer 2 and the water producing layer 3 layer by layer;
preferably, two sets of RO membranes 1 are used as one set, and in this case, the RO membranes 1, the composite layer 2, the water production layer 3 and the RO membranes 1 are sequentially stacked from top to bottom, as shown in fig. 2.
Certainly, as an alternative, a water producing layer 3 may also be arranged on one side of the composite layer 2 facing the RO membrane 1, that is, a water producing layer is arranged between the composite layer 2 and the RO membrane 1, and at this time, the multifunctional composite RO membrane element is formed by sequentially stacking the RO membrane 1, the water producing layer 3, the composite layer 2 and the water producing layer 3 layer by layer;
preferably, two sets of RO membranes 1 are used as one set, and in this case, the RO membranes 1, the water production layer 3, the composite layer 2, the water production layer 3 and the RO membranes 1 are sequentially stacked from top to bottom, as shown in fig. 3.
For example, the composite layer 2 is two layers, and the two composite layers 2 may be composite layers with the same function or composite layers with different functions, and at this time, the multifunctional composite RO membrane element is formed by sequentially stacking the RO membrane 1, the first composite layer 2 and the second composite layer 2.
Preferably, two sets of RO membranes 1 are used as one set, in which case the RO membrane 1, the first composite layer 2, the second composite layer 2 and the RO membrane 1 are arranged in this order from top to bottom, see fig. 4.
For example, a water producing layer 3 is disposed between the composite layer 2 and the composite layer 2, and at this time, the RO membrane 1, the first composite layer 2, the water producing layer 3, and the second composite layer 2 are sequentially stacked.
Preferably, two sets of RO membranes 1 are used as one set, and in this case, the RO membrane 1, the first composite layer 2, the water producing layer 3, the second composite layer 2 and the RO membrane 1 are sequentially stacked from top to bottom, as shown in fig. 5.
Certainly, according to the actual requirement, the composite layer 2 is more than two layers, the multi-layer composite layer 2 can be the composite layer 2 with the same reprocessing function, or can be the composite layer 2 with different reprocessing functions, and the water producing layer 3 is arranged between the composite layer 2 and the composite layer 2, so that the requirements of various reprocessing functions can be met.
A reverse osmosis filter element comprises the multifunctional composite RO membrane element, two RO membranes 1 form a group, a space for collecting filtered purified water is formed between every two RO membranes 1, and a composite layer 2 is positioned in the space; the center of the reverse osmosis filter element is provided with a central tube which is a hollow tubular body.
A composite layer 2 for reprocessing the purified water is arranged on the contact surface of one RO membrane 1 in each group, which is contacted with the purified water; or the contact surfaces of the two RO membranes 1 in each group, which are contacted with the purified water, are provided with composite layers 2 for reprocessing the purified water.
The water producing layer 4 is used for accelerating the flow of the purified water into the central tube and discharging the purified water through the central tube cavity for a user to use, and meanwhile, the composite layer 2 carries out the retreatment operation on the purified water synchronously, so that the water quality is further improved, and the retreatment time of the purified water is greatly saved.
The space is communicated with the cavity of the central tube; and/or the contact surface of the RO membrane 1 contacting the raw water is provided with a water inlet layer (not shown in the attached drawing), such as a mesh and/or a non-woven fabric, and the water inlet layer also has a filtering effect.
When the composite layer 2 is a layer, the composite layer is a carbon fiber cloth layer;
or when the composite layer 2 is two layers, the two layers are respectively a carbon fiber cloth layer and a PP cotton layer.
The reverse osmosis filter element can also be formed by rolling one or more groups of RO membranes 1.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a multi-functional compound RO membrane element, includes RO diaphragm (1), its characterized in that: the contact surface of the RO membrane (1) contacting with the purified water is provided with a composite layer (2) for reprocessing the purified water; the composite layer (2) for reprocessing comprises a composite layer (2) for removing residual chlorine and/or impurities and/or scale and/or heavy metals and/or organic matters and/or improving pH value and/or inhibiting bacteria of the purified water filtered by the RO membrane (1).
2. The multifunctional composite RO membrane element of claim 1, characterized in that: the composite layer (2) is a carbon fiber cloth and/or PP cotton and/or cloth and/or non-woven fabric and/or a carbon powder layer and/or a carbon particle layer and/or ion exchange resin and/or a composite layer made of a mineralized material and/or a composite layer made of a heavy metal adsorbing material and/or a composite layer made of an organic matter adsorbing material.
3. The multifunctional composite RO membrane element of claim 1 or 2, characterized in that: the composite layer (2) is a layer, a water producing layer (3) is arranged on one side of the composite layer (2) back to the RO membrane (1) and/or a water producing layer (3) is arranged on one side of the composite layer (2) facing the RO membrane (1);
or the composite layer (2) is more than two layers;
or the composite layer (2) is more than two layers, and a water producing layer (3) is arranged between the composite layer (2) and the composite layer (2).
4. A multifunctional composite RO membrane element according to claim 3, characterized in that: the composite layer (2) is a layer, the water producing layer (3) is a layer, and the multifunctional composite RO membrane element is formed by sequentially stacking an RO membrane (1), the composite layer (2) and the water producing layer (3) layer by layer;
or the composite layer (2) is a layer, the water producing layer (3) is two layers, and the multifunctional composite RO membrane element is formed by sequentially stacking an RO membrane (1), the water producing layer (3), the composite layer (2) and the water producing layer (3) layer by layer;
or the composite layer (2) is two layers, and the multifunctional composite RO membrane element is formed by sequentially stacking an RO membrane sheet (1), the composite layer (2) and the composite layer (2) layer by layer;
or the composite layer (2) is two layers, the water production layer (3) is one layer, and the multifunctional composite RO membrane element is formed by sequentially stacking an RO membrane (1), the composite layer (2), the water production layer (3) and the composite layer (2) layer by layer.
5. A reverse osmosis filter core which is characterized in that: the reverse osmosis filter element comprises the multifunctional composite RO membrane element of the claim 1, 2 or 4, two RO membrane sheets (1) form a group, a space for collecting filtered purified water is formed between each two RO membrane sheets (1), and the composite layer (2) is positioned in the space;
a composite layer (2) for reprocessing the purified water is arranged on the contact surface of one RO membrane (1) in each group, which is in contact with the purified water; or the contact surfaces of the two RO membranes (1) in each group, which are contacted with the purified water, are provided with composite layers (2) for reprocessing the purified water.
6. A reverse osmosis filter cartridge according to claim 5 wherein: the composite layer (2) is a carbon fiber cloth layer;
or the composite layer (2) is composed of two layers, namely a carbon fiber cloth layer and a PP cotton layer.
7. A reverse osmosis filter cartridge according to claim 5 wherein: the space is communicated with the cavity of the central tube; and/or a water inlet layer is arranged on the contact surface of the RO membrane (1) contacting with the raw water.
8. A reverse osmosis filter core which characterized in that: the reverse osmosis filter element comprises the multifunctional composite RO membrane element of claim 3, wherein two RO membrane sheets (1) form a group, a space for collecting filtered purified water is formed between each two RO membrane sheets (1), and the composite layer (2) is positioned in the space;
a composite layer (2) for reprocessing the purified water is arranged on the contact surface of one RO membrane (1) in each group, which is in contact with the purified water; or the contact surfaces of the two RO membranes (1) in each group, which are contacted with the purified water, are provided with composite layers (2) for reprocessing the purified water.
9. A reverse osmosis filter cartridge according to claim 8 wherein: the space is communicated with the cavity of the central tube; and/or a water inlet layer is arranged on the contact surface of the RO membrane (1) contacting with the raw water.
10. A reverse osmosis cartridge according to any one of claims 7 to 9 wherein: the composite layer (2) is a carbon fiber cloth layer;
or the composite layer (2) is composed of two layers, namely a carbon fiber cloth layer and a PP cotton layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121578974.XU CN216799385U (en) | 2021-07-13 | 2021-07-13 | Multifunctional composite RO (reverse osmosis) membrane element and reverse osmosis filter element thereof |
| KR1020210144854A KR20220124074A (en) | 2021-03-02 | 2021-10-27 | RO membrane element and reverse osmosis filter element thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121578974.XU CN216799385U (en) | 2021-07-13 | 2021-07-13 | Multifunctional composite RO (reverse osmosis) membrane element and reverse osmosis filter element thereof |
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| Publication Number | Publication Date |
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| CN216799385U true CN216799385U (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121578974.XU Active CN216799385U (en) | 2021-03-02 | 2021-07-13 | Multifunctional composite RO (reverse osmosis) membrane element and reverse osmosis filter element thereof |
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| CN (1) | CN216799385U (en) |
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2021
- 2021-07-13 CN CN202121578974.XU patent/CN216799385U/en active Active
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