CN112551722B - Composite filter element - Google Patents
Composite filter element Download PDFInfo
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- CN112551722B CN112551722B CN202011502507.9A CN202011502507A CN112551722B CN 112551722 B CN112551722 B CN 112551722B CN 202011502507 A CN202011502507 A CN 202011502507A CN 112551722 B CN112551722 B CN 112551722B
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- water
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- pure water
- opening
- flooding tank
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- 239000002131 composite material Substances 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 456
- 239000012528 membrane Substances 0.000 claims abstract description 112
- 239000008399 tap water Substances 0.000 claims abstract description 57
- 235000020679 tap water Nutrition 0.000 claims abstract description 57
- 239000002351 wastewater Substances 0.000 claims abstract description 45
- 239000008213 purified water Substances 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000001471 micro-filtration Methods 0.000 claims description 3
- 238000000108 ultra-filtration Methods 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims 2
- 238000001223 reverse osmosis Methods 0.000 description 103
- 150000001875 compounds Chemical class 0.000 description 7
- 239000013013 elastic material Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000000746 purification Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- -1 but not limited to Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
-
- 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
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
本公开关于一种复合滤芯，该复合滤芯包括：滤芯壳体上设置净水进水口、自来水进出口、纯水出水口和废水出水口；RO转接套的第一开口连通净水进水口；RO膜元件包括进水侧、纯水侧和废水侧，第二开口连通进水侧；废水侧连通废水出水口；RO膜中心管上端开口下端封闭，侧壁设置第一纯水通孔，纯水侧的纯水通过第一纯水通孔进入RO膜中心管；水驱罐包括水驱罐壳体和位于水驱罐壳体内的水驱罐水袋，水驱罐水袋用于将水驱罐壳体内的空间划分为自来水腔和纯水腔，自来水腔连通自来水进出口，纯水腔连通纯水出水口和RO膜中心管的上端开口；RO膜中心管或水驱罐的纯水腔内设置纯水逆止阀。本技术方案可以减小净水器的整体体积。
The present disclosure relates to a composite filter element, which comprises: a clean water inlet, a tap water inlet and outlet, a pure water outlet and a waste water outlet are arranged on the filter element housing; the first opening of the RO adapter sleeve is connected to the clean water inlet; the RO membrane element comprises an inlet side, a pure water side and a waste water side, and the second opening is connected to the inlet side; the waste water side is connected to the waste water outlet; the upper end of the RO membrane central tube is open and the lower end is closed, and the side wall is provided with a first pure water through hole, and the pure water on the pure water side enters the RO membrane central tube through the first pure water through hole; the water drive tank comprises a water drive tank housing and a water drive tank water bag located in the water drive tank housing, the water drive tank water bag is used to divide the space in the water drive tank housing into a tap water cavity and a pure water cavity, the tap water cavity is connected to the tap water inlet and outlet, and the pure water cavity is connected to the pure water outlet and the upper end opening of the RO membrane central tube; a pure water check valve is arranged in the pure water cavity of the RO membrane central tube or the water drive tank. The present technical solution can reduce the overall volume of the water purifier.
Description
Technical Field
The disclosure relates to the technical field of water purification, in particular to a composite filter element.
Background
Along with the improvement of living standard of people, people pay more attention to water quality sanitation, families are provided with water purifiers, and if the water purifiers are not used for a long time, ions in front of RO (Reverse Osmosis) membranes in RO (Reverse Osmosis) filter cores in the water purifiers penetrate through the RO membranes to pure water ends, so that a first cup of water TDS (Total dissolved solids ) is higher, and user experience is affected.
In order to solve the problems, the pure water bubble film technology can be adopted in the prior art, a water tank and a water driving tank are arranged in the water purifier independently, but the independent water tank and the independent water driving tank occupy the internal space of the water purifier, so that the whole size of the water purifier is large, and the installation of other household appliances in a water tank cabinet is affected.
Disclosure of Invention
To overcome the problems in the related art, embodiments of the present disclosure provide a composite filter cartridge. The technical scheme is as follows:
according to an aspect of an embodiment of the present disclosure, there is provided a composite filter cartridge comprising:
The filter element comprises a filter element shell, wherein the filter element shell is provided with a purified water inlet, a tap water inlet and outlet, a purified water outlet and a wastewater outlet;
the reverse osmosis RO adapter sleeve is positioned in the filter element shell and is an annular bracket with two open ends, and comprises a first opening positioned at the upper end of the RO adapter sleeve and a second opening positioned at the lower end of the RO adapter sleeve, wherein the first opening is communicated with the purified water inlet;
The RO membrane element comprises a water inlet side, a pure water side and a waste water side, wherein the waste water generated after filtering the pure water entering from the water inlet side is positioned on the waste water side, the generated pure water is positioned on the pure water side, and the second opening is communicated with the water inlet side of the RO membrane element;
The RO membrane central tube is provided with an opening at the upper end and a closing at the lower end, the side wall of the RO membrane central tube is provided with a first pure water through hole, the RO membrane central tube is positioned at the pure water side of the RO membrane element, and pure water at the pure water side enters the RO membrane central tube through the first pure water through hole;
the water flooding tank is positioned in the filter element shell and comprises a water flooding tank shell and a water flooding tank water bag positioned in the water flooding tank shell, wherein the water flooding tank water bag is used for dividing a space in the water flooding tank shell into a tap water cavity and a pure water cavity, the tap water cavity is communicated with the tap water inlet and outlet, and the pure water cavity is communicated with the pure water outlet and the upper end opening of the RO membrane central tube;
the RO membrane central tube or the pure water cavity of the water drive tank is internally provided with a pure water check valve, and the pure water check valve is used for limiting pure water to flow from the RO membrane central tube to the pure water cavity.
In one embodiment, the water flooding tank shell is an annular shell with two open ends, and comprises a third opening positioned at the upper end of the water flooding tank shell and a fourth opening positioned at the lower end of the water flooding tank, wherein the fourth opening is communicated with the upper end opening of the RO membrane central tube, and the third opening is communicated with the pure water outlet;
The water flooding tank water bag is provided with an opening at one end, a cavity in the water flooding tank water bag is a tap water cavity, a cavity between the water flooding tank water bag and the water flooding tank shell is a pure water cavity, and the tap water cavity is communicated with the tap water inlet and outlet through the opening of the water flooding tank water bag;
the pure water check valve is arranged at the fourth opening.
In one embodiment, the water flooding tank shell is an annular shell with two open ends, and comprises a third opening positioned at the upper end of the water flooding tank shell and a fourth opening positioned at the lower end of the water flooding tank;
The water flooding tank water bag is an annular water bag with two open ends, a cavity in the water flooding tank water bag is a pure water cavity, a cavity between the water flooding tank water bag and the water flooding tank shell is a tap water cavity, and the tap water cavity is communicated with the tap water inlet and outlet through the third opening;
The water flooding tank further comprises a water flooding tank central pipe, the water flooding tank central pipe is located in the water flooding tank water bag, the upper opening and the lower opening of the water flooding tank central pipe are communicated with the pure water outlet, the lower opening of the water flooding tank central pipe is communicated with the upper end opening of the RO membrane central pipe, the water flooding tank central pipe penetrates through the upper opening and the lower opening of the water flooding tank water bag and the fourth opening, the pure water check valve is arranged at the bottom of the water flooding tank central pipe, and the side wall of the water flooding tank central pipe above the pure water check valve is provided with a second pure water through hole.
In one embodiment, the filter further comprises a post filter element;
the rear filter element is positioned in the pure water circulation area in the composite filter element and comprises at least one filter material selected from activated carbon, PP cotton, paper folding PP, an ultrafiltration membrane, a microfiltration membrane and a mineralizer.
In one embodiment, the post-filter cartridge is disposed within the RO membrane central tube.
In one embodiment, when the water flooding tank includes a water flooding tank center tube, the post-filter element is disposed within the water flooding tank center tube.
In one embodiment, the post-filter element is disposed within the RO membrane center tube and the water flooding tank center tube.
In one embodiment, the composite filter element further comprises an RO membrane lower end cover which is positioned on the wastewater side of the RO membrane element, a wastewater port is arranged on the RO membrane lower end cover, a water blocking component is arranged at the wastewater port and used for preventing wastewater from flowing back, and the water blocking component comprises a wastewater check valve or an elastic water blocking component.
In one embodiment, the material of the water-flooding canister water bag comprises an elastic material or a foldable non-elastic material.
In one embodiment, the clean water inlet, the tap water inlet and outlet, the clean water outlet and the waste water outlet are all arranged at the top of the filter element housing.
In one embodiment, the composite filter cartridge further comprises a cartridge turning handle located at the bottom of the cartridge housing.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
This embodiment can be with water drive jar structure and RO membrane filter core integration form above-mentioned compound filter core together, reduces the whole volume of water purifier, sets up the problem that the jar increases volume alone water drive when solving water purifier pure water bubble membrane and water demand, reduces the occupation space of water purifier in the basin cabinet, makes things convenient for the installation of other household electrical appliances in the basin cabinet.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural view of a composite filter cartridge according to an exemplary embodiment.
Fig. 2 is a schematic structural view of a composite filter cartridge according to an exemplary embodiment.
Fig. 3 is a schematic structural view of a composite filter cartridge according to an exemplary embodiment.
Fig. 4 is a schematic structural view of a composite filter cartridge according to an exemplary embodiment.
Fig. 5 is a schematic structural view of a composite filter cartridge according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
In the description of the present invention, it should be understood that the terms "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The present disclosure provides a composite filter element, and fig. 1 is a schematic structural view of a composite filter element according to an exemplary embodiment. As shown in fig. 1, the composite filter element comprises a filter element shell 11, a reverse osmosis RO adapter sleeve 12, an RO membrane element 13, an RO membrane central tube 14, a water flooding tank shell 15 and a water flooding tank water bag 16.
The filter element shell 11 is provided with a purified water inlet 111, a tap water inlet 112, a purified water outlet 113 and a waste water outlet 114; the reverse osmosis RO adapter sleeve 12 is positioned in the filter element shell 11 and is an annular bracket with two open ends, the RO adapter sleeve 12 comprises a first opening 121 positioned at the upper end of the RO adapter sleeve and a second opening 122 positioned at the lower end of the RO adapter sleeve, the first opening 121 is communicated with the water purifying inlet 111, the RO membrane element 13 comprises a water inlet side, a pure water side and a waste water side, the RO membrane element 13 filters the pure water entering from the water inlet side, the waste water generated by filtering is positioned at the waste water side 131, the pure water generated by filtering is positioned at the pure water side, and the second opening is communicated with the water inlet side of the RO membrane element; the wastewater side is communicated with the wastewater outlet 114 through a cavity between the RO membrane element 13 and the filter element shell 11 and a cavity between the RO adapter sleeve 12 and the filter element shell 11, the upper end of the RO membrane central tube 14 is opened and the lower end of the RO membrane central tube 14 is closed, a first pure water through hole 1311 is arranged on the side wall of the RO membrane central tube 14, the RO membrane central tube 14 is positioned on the pure water side of the RO membrane element 13, pure water on the pure water side enters the RO membrane central tube 14 through the first pure water through hole 1311, a water flooding tank is positioned in the filter element shell 11 and comprises a water flooding tank shell 15 and a water flooding tank water bag 16 positioned in the water flooding tank shell 15, as shown in fig. 1, the water flooding tank is positioned in the RO adapter sleeve 12, and of course, the water flooding tank can also be positioned outside the RO adapter sleeve 12 in other embodiments without limitation. The water flooding tank water bag 16 is configured to divide the space in the water flooding tank housing 15 into a tap water cavity and a pure water cavity, the water flooding tank water bag 16 may divide the interior of the water flooding tank housing 15 into a cavity in the water flooding tank water bag 16 and a cavity outside the water flooding tank water bag 16, where the cavity in the water flooding tank water bag 16 may be the tap water cavity, the cavity between the water flooding tank water bag 16 and the water flooding tank housing 15 may be the pure water cavity, or the cavity in the water flooding tank water bag 16 may be the tap water cavity, and the cavity between the water flooding tank water bag 16 and the water flooding tank housing 15 may be the tap water cavity, which is not limited herein. The tap water cavity is communicated with the tap water inlet and outlet, the pure water cavity is communicated with the pure water outlet and the upper end opening of the RO membrane central tube, the water driving tank is used for storing pure water produced by the RO membrane element in the pure water cavity during water supplementing, tap water in the tap water cavity is used for pressing the pure water in the pure water cavity to be discharged from the pure water outlet during water draining, a pure water check valve is arranged in the pure water cavity of the RO membrane central tube or the water driving tank, and as an example, as shown in fig. 1, a pure water check valve 171 is arranged in the pure water cavity of the water driving tank, and the pure water check valve 171 is used for limiting pure water to flow from the RO membrane central tube 14 to the pure water cavity.
Here, this compound filter core with RO membrane is usually all set up behind leading filter core, so avoid impurity in the water to damage devices such as compound filter core to effectively improve this compound filter core's life, this compound filter core with RO membrane is at the during operation, needs to set up the booster pump and provides power for the water purification, and the water purification after the booster pump can get into this compound filter core from the water purification water inlet 111 that fig. 1 shows. As shown in FIG. 1, the purified water entering the composite filter element can be guided into the RO membrane element 13 through the RO membrane adapter sleeve, filtered by the RO membrane, and under a certain pressure, water molecules can pass through the RO membrane, and inorganic salt, heavy metal ions, organic matters, colloid, bacteria, viruses and other impurities in the purified water can not pass through the RO membrane, so that the purified water which can pass through the RO membrane and the concentrated water which can not pass through the RO membrane can be strictly distinguished, two sides of the RO membrane can be divided into a pure water side and a waste water side, the concentrated water can not pass through the RO membrane, can only be discharged from the waste water side of the RO membrane element 13, and then can be discharged from the waste water outlet 114 of the composite filter element through a cavity between the RO membrane element 13, the RO adapter sleeve 12 and the filter element shell 11. Pure water can permeate the RO membrane to the pure water side, then enters the RO membrane central tube 14 from the first pure water through hole 141 on the RO membrane central tube 14, and then enters the pure water cavity in the water drive tank from the RO membrane central tube 14 for storage.
Here, a pure water check valve may be disposed in the pure water chamber of the RO membrane center tube or the water flooding tank, as illustrated in fig. 1, and a pure water check valve 171 is disposed at the lower end opening of the water flooding tank housing, and the pure water check valve 171 is disposed in the pure water chamber of the water flooding tank to prevent pure water in the pure water chamber of the water flooding tank from flowing back to the RO membrane center tube, so that the pure water chamber stores water. The tap water cavity in the water driving tank is used for containing tap water, and tap water enters the tap water cavity of the water driving tank from the tap water inlet and outlet. When the pure water cavity is filled with pure water, the tap water enters the tap water cavity of the water driving tank to squeeze the pure water in the pure water cavity to flow out from the pure water outlet 113.
This embodiment can be with water drive jar structure and RO membrane filter core integration form above-mentioned compound filter core together, reduces the whole volume of water purifier, sets up the problem that the jar increases volume alone water drive when solving water purifier pure water bubble membrane and water demand, reduces the occupation space of water purifier in the basin cabinet, makes things convenient for the installation of other household electrical appliances in the basin cabinet.
In one possible embodiment, as shown in fig. 1, the water flooding tank housing 15 is an annular housing with two open ends, and includes a third opening at the upper end of the water flooding tank housing and a fourth opening at the lower end of the water flooding tank, where the fourth opening is communicated with the upper end opening of the RO membrane central tube, the third opening is communicated with the pure water outlet, one end of the water flooding tank water bag 16 is opened, the cavity in the water flooding tank water bag 16 is a tap water cavity, the cavity between the water flooding tank water bag 16 and the water flooding tank housing 15 is a pure water cavity, the tap water cavity is communicated with the tap water inlet and outlet through the opening of the water flooding tank water bag 16, and the pure water check valve 171 is disposed at the fourth opening.
At this time, after the pure water produced by the RO membrane element 13 enters the RO membrane central tube 14, the pure water can enter the pure water chamber between the water flooding tank housing 15 and the water flooding tank water bag 16 through the fourth opening from the RO membrane central tube 14 for storage. When the pure water cavity is filled with pure water, the tap water enters the water flooding tank water bag 16, and the water flooding tank water bag 16 is propped up to squeeze the pure water in the pure water cavity, so that the pure water flows out from the pure water outlet 113.
The water flooding tank water bag provided by the embodiment only needs to be provided with one opening to be connected with the pure water outlet, the sealing connection on the structure is easier to realize, and the product yield is high and the cost is low.
In one possible embodiment, fig. 2 is a schematic structural view of a composite filter cartridge according to an exemplary embodiment. As shown in FIG. 2, the water flooding tank housing 15 is positioned in the RO adapter sleeve 12 and comprises a third opening 151 positioned at the upper end of the water flooding tank housing and a fourth opening 152 positioned at the lower end of the water flooding tank, the third opening 151 is communicated with the tap water inlet and outlet 112, the water flooding tank water bag 16 is positioned in the water flooding tank housing 15, the upper opening and the lower opening of the water flooding tank water bag 16 are annular water bags with two open ends, at the moment, the cavity in the water flooding tank water bag 16 is a pure water cavity, the tap water cavity is communicated with the tap water inlet and outlet 112 through the third opening, the water flooding tank further comprises a water flooding tank central pipe 17 positioned in the water flooding tank 16, the upper opening of the water flooding tank central pipe 17 is communicated with the pure water outlet 113, the lower opening of the water flooding tank central pipe 17 is communicated with the upper opening of the water flooding tank membrane 14, the water flooding tank central pipe 17 is provided with a water flooding valve 171, and the water flooding tank central pipe 17 is provided with a water flooding tank valve 171 positioned at the upper opening of the bottom of the water flooding tank 17.
At this time, after the pure water produced by the RO membrane element 13 enters the RO membrane central tube 14, the pure water can enter the water flooding tank central tube 17 from the RO membrane central tube 14, and enter the pure water cavity in the water flooding tank water bag 16 from the second pure water through hole 172 on the water flooding tank central tube for storage. When the pure water in the water flooding tank water bag 16 is discharged, the tap water in the tap water cavity is extruded by the pure water in the water flooding tank water bag 16 until the tap water cavity is filled with the pure water, and when the pure water in the water flooding tank water bag 16 is discharged, the tap water enters the tap water cavity to extrude the water flooding tank water bag 16, so that the pure water in the pure water cavity flows out from the pure water outlet 113.
In one possible embodiment, the filter further comprises a post-filter element positioned in the pure water circulation area of the composite filter element. The post-filter element comprises at least one filter material including, but not limited to, activated carbon, PP cotton, paper folding PP, an ultrafiltration membrane, a microfiltration membrane, a mineralizer and the like, is used for further filtering the flowing pure water, filtering out particle impurities in the water, and is used for improving the taste of the pure water, inhibiting bacteria and retaining microorganisms.
Alternatively, in one possible embodiment, FIG. 3 is a schematic structural view of a composite filter cartridge according to an exemplary embodiment. As shown in fig. 3, the post-filter cartridge 18 is disposed within the RO membrane cartridge 14. In fig. 3, the post-filter element 14 is disposed in the RO membrane central tube 14 of the composite filter element shown in fig. 2, and in this embodiment, the post-filter element may be disposed in the RO membrane central tube 14 of the composite filter element shown in fig. 1, and the illustration is not given here.
As shown in fig. 3, a post filter element 18 is disposed in the RO membrane central tube 14, and pure water prepared by the RO membrane element 13 flows into the RO membrane central tube 14 through the first pure water through hole 141, flows into the water flooding tank water bag 16 after passing through a diversion space formed by a gap between the RO membrane central tube 14 and the post filter element 18, and is treated by the post filter element 18.
Or alternatively, in one possible embodiment, fig. 4 is a schematic structural view of a composite filter cartridge according to an exemplary embodiment. As shown in fig. 4, where the water flooding tank includes a water flooding tank center pipe 17 as shown in fig. 2, the post-filter element 18 may also be disposed within the water flooding tank center pipe 17.
As shown in fig. 4, a post filter element 18 is disposed in the central tube of the water flooding tank, the pure water prepared by the RO membrane flows from the RO membrane central tube 14 to the water flooding tank central tube 17, enters the water flooding tank central tube 17 through a pure water check valve 171, and the pure water in the water flooding tank central tube 17 is treated by the post filter element 18 and then stored in the water flooding tank water bag 16 through a second pure water through hole 172, and the pure water flowing out of the water flooding tank central tube 17 passes through the post filter element 18, so that the taste of the pure water can be improved.
Or alternatively, in one possible embodiment, where the water flooding tank includes a water flooding tank base pipe 17 as shown in fig. 2, the post-filter cartridge is disposed within the RO membrane base pipe 14 and within the water flooding tank base pipe 17. Referring to fig. 3 and 4, a post-filter element is disposed in the RO membrane cartridge 14 and in the water flooding tank cartridge 17, and illustration is not given in detail.
In one possible embodiment, fig. 5 is a schematic structural view of a composite filter cartridge according to an exemplary embodiment. As shown in fig. 2 and 5, the composite filter element further comprises an RO membrane lower end cover 19, which is positioned on the wastewater side of the RO membrane element 13, wherein a wastewater port 191 is arranged on the RO membrane lower end cover 19, and a water blocking component 192 is arranged at the wastewater port 191. The water-blocking component 192 is used for blocking the backflow of the wastewater, so that the wastewater generated by the RO membrane can only flow out of the wastewater port but not flow back, and the wastewater generated by the RO membrane element 13 is prevented from flowing back to the membrane of the RO membrane element 13 to permeate through the RO membrane to the pure water end. By way of example, the water blocking component 192 may be a waste water check valve or other resilient water blocking component having the function of a check valve. The waste water outlet 191 is communicated with the waste water outlet 114 through a cavity between the RO membrane element 13 and the filter element housing 11 and a cavity between the RO adapter sleeve 12 and the filter element housing 11.
In one possible embodiment, as shown in fig. 2, the clean water inlet 111, the tap water inlet 112, the clean water outlet 113 and the waste water outlet 114 are provided with check valves 110, and the check valves 110 are used for stopping water of the filter element, so that when the composite filter element needs to be cleaned or replaced, the valves of the check valves are all closed to prevent water in the composite filter element from flowing out when the composite filter element is taken out of the water purifier.
In one possible embodiment, the water-flooding tank water bag 16 is made of an elastic material or a foldable non-elastic material, so that water can enter under the pressure of tap water or pure water conveniently, the elastic material can be an elastic material such as rubber, silica gel or other elastic polymer materials, further, the water stored in the water-flooding tank water bag 16 is not only used for entering the RO membrane on the concentrate side for soaking, but also used for drinking, and therefore, the water-flooding tank water bag can be made of a food-grade elastic material. The inelastic material may be a foldable material such as PE (polyethylene).
In one possible embodiment, as shown in fig. 1 to 4, the purified water inlet 111, the tap water outlet 112, the purified water outlet 113 and the waste water outlet 114 are all provided at the top of the cartridge housing 11, so that the installation or removal of the composite cartridge in the water purifier is facilitated.
In one possible embodiment, as shown in fig. 2, the composite filter element further includes a filter element rotating handle 115, where the filter element rotating handle 115 is located at the bottom of the filter element housing 11, and a user can grasp the filter element rotating handle 115 to install or remove the composite filter element, so as to facilitate the installation or removal of the composite filter element by the user.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure should be limited by the attached claims.
Claims (11)
1. A composite filter cartridge, comprising:
The filter element comprises a filter element shell, wherein the filter element shell is provided with a purified water inlet, a tap water inlet and outlet, a purified water outlet and a wastewater outlet;
the RO adapter sleeve is positioned in the filter element shell and is an annular bracket with two open ends, and comprises a first opening positioned at the upper end of the RO adapter sleeve and a second opening positioned at the lower end of the RO adapter sleeve, and the first opening is communicated with the purified water inlet;
The RO membrane element comprises a water inlet side, a pure water side and a waste water side, wherein the waste water generated after filtering the pure water entering from the water inlet side is positioned on the waste water side, the generated pure water is positioned on the pure water side, and the second opening is communicated with the water inlet side of the RO membrane element;
The RO membrane central tube is provided with an opening at the upper end and a closing at the lower end, the side wall of the RO membrane central tube is provided with a first pure water through hole, the RO membrane central tube is positioned at the pure water side of the RO membrane element, and pure water at the pure water side enters the RO membrane central tube through the first pure water through hole;
The water flooding tank is positioned in the RO adapter sleeve and comprises a water flooding tank shell and a water flooding tank water bag positioned in the water flooding tank shell, wherein the water flooding tank water bag is used for dividing a space in the water flooding tank shell into a tap water cavity and a pure water cavity, the tap water cavity is communicated with the tap water inlet and outlet, and the pure water cavity is communicated with the pure water outlet and the upper end opening of the RO membrane central tube;
the RO membrane central tube or the pure water cavity of the water drive tank is internally provided with a pure water check valve, and the pure water check valve is used for limiting pure water to flow from the RO membrane central tube to the pure water cavity.
2. A composite filter element according to claim 1, wherein,
The water flooding tank shell is an annular shell with openings at two ends, and comprises a third opening positioned at the upper end of the water flooding tank shell and a fourth opening positioned at the lower end of the water flooding tank, wherein the fourth opening is communicated with the upper end opening of the RO membrane central tube, and the third opening is communicated with the pure water outlet;
The water flooding tank water bag is provided with an opening at one end, a cavity in the water flooding tank water bag is a tap water cavity, a cavity between the water flooding tank water bag and the water flooding tank shell is a pure water cavity, and the tap water cavity is communicated with the tap water inlet and outlet through the opening of the water flooding tank water bag;
the pure water check valve is arranged at the fourth opening.
3. A composite filter element according to claim 1, wherein,
The water drive tank shell is an annular shell with two open ends, and comprises a third opening positioned at the upper end of the water drive tank shell and a fourth opening positioned at the lower end of the water drive tank;
The water flooding tank water bag is an annular water bag with two open ends, a cavity in the water flooding tank water bag is a pure water cavity, a cavity between the water flooding tank water bag and the water flooding tank shell is a tap water cavity, and the tap water cavity is communicated with the tap water inlet and outlet through the third opening;
The water flooding tank further comprises a water flooding tank central pipe, the water flooding tank central pipe is located in the water flooding tank water bag, the upper opening and the lower opening of the water flooding tank central pipe are communicated with the pure water outlet, the lower opening of the water flooding tank central pipe is communicated with the upper end opening of the RO membrane central pipe, the water flooding tank central pipe penetrates through the upper opening and the lower opening of the water flooding tank water bag and the fourth opening, the pure water check valve is arranged at the bottom of the water flooding tank central pipe, and the side wall of the water flooding tank central pipe above the pure water check valve is provided with a second pure water through hole.
4. The composite filter element according to any one of claims 1 to 3, further comprising a post-filter element;
the rear filter element is positioned in the pure water circulation area in the composite filter element and comprises at least one filter material selected from activated carbon, PP cotton, paper folding PP, an ultrafiltration membrane, a microfiltration membrane and a mineralizer.
5. The composite filter cartridge of claim 4, wherein the post-cartridge is disposed within the RO membrane central tube.
6. The composite filter cartridge of claim 4, wherein the post-filter cartridge is disposed within the water flooding tank base pipe when the water flooding tank includes the water flooding tank base pipe.
7. The composite filter cartridge of claim 6, wherein the post-cartridge is disposed within the RO membrane base pipe and the water flooding tank base pipe.
8. The composite filter element of claim 1, further comprising:
The RO membrane lower end cover is positioned on the wastewater side of the RO membrane element, a wastewater port is formed in the RO membrane lower end cover, a water blocking component is arranged at the wastewater port and used for preventing wastewater from flowing back, and the water blocking component is a wastewater check valve or an elastic water blocking component.
9. The composite filter element of claim 1, wherein the water-flooding canister water bag is of an elastomeric material or a foldable non-elastomeric material.
10. The composite filter element of claim 1, wherein the clean water inlet, the tap water outlet, the clean water outlet, and the waste water outlet are all disposed at the top of the filter element housing.
11. The composite filter element of claim 1, further comprising:
the filter element rotating handle is positioned at the bottom of the filter element shell.
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| CN202011502507.9A CN112551722B (en) | 2020-12-18 | 2020-12-18 | Composite filter element |
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| CN202011502507.9A CN112551722B (en) | 2020-12-18 | 2020-12-18 | Composite filter element |
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| CN112551722B true CN112551722B (en) | 2025-02-07 |
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| CN113880275A (en) * | 2021-09-08 | 2022-01-04 | 广东纯米电器科技有限公司 | Water purifier and its control method and device |
| CN116726705B (en) * | 2023-05-11 | 2025-04-29 | 安徽智泓净化科技股份有限公司 | Integrated reverse osmosis composite filter element |
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| CN208577524U (en) * | 2018-06-01 | 2019-03-05 | 广东韦博科技有限公司 | A kind of big flow water purification system with water-driven tank |
| CN209778476U (en) * | 2018-12-25 | 2019-12-13 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water purification system with same |
| CN214360583U (en) * | 2020-12-18 | 2021-10-08 | 纯米科技(上海)股份有限公司 | Composite filter element |
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| US4997553A (en) * | 1990-03-15 | 1991-03-05 | Clack Corporation | Storage and dispensing apparatus for reverse osmosis filtration purification system |
| CN111115872B (en) * | 2018-10-31 | 2024-08-06 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water treatment device with same |
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| CN204709941U (en) * | 2015-06-17 | 2015-10-21 | 临江市长春硅藻土制品有限公司 | Diatomite ceramic filter core all-in-one water purifier |
| CN208577524U (en) * | 2018-06-01 | 2019-03-05 | 广东韦博科技有限公司 | A kind of big flow water purification system with water-driven tank |
| CN209778476U (en) * | 2018-12-25 | 2019-12-13 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water purification system with same |
| CN214360583U (en) * | 2020-12-18 | 2021-10-08 | 纯米科技(上海)股份有限公司 | Composite filter element |
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