CN212091724U - Water purification unit with filter element group spare - Google Patents

Water purification unit with filter element group spare Download PDF

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Publication number
CN212091724U
CN212091724U CN202020186747.1U CN202020186747U CN212091724U CN 212091724 U CN212091724 U CN 212091724U CN 202020186747 U CN202020186747 U CN 202020186747U CN 212091724 U CN212091724 U CN 212091724U
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China
Prior art keywords
water
filter element
filtering unit
filter
unit
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CN202020186747.1U
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Chinese (zh)
Inventor
柏长升
滕勇
刘明
姜研
刘德茂
高威
李友铃
申鸿海
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/10—Spiral-wound membrane modules
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/2649—Filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/08—Flow guidance means within the module or the apparatus
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus

Abstract

The utility model provides a water purification unit with filter element group spare, it includes: the water purifier comprises a filter element assembly (1) and water outlet equipment (2), wherein the filter element assembly (1) is communicated with the water outlet equipment (2) through a water pipe (4), water discharged by the filter element assembly (1) flows to the water outlet equipment (2) through the water pipe (4), the water purifier further comprises an ultrafiltration filter element (3), and the ultrafiltration filter element (3) is integrally arranged on the water outlet equipment (2), so that water in the water pipe (4) can enter the ultrafiltration filter element (3) to be filtered; the filter element assembly (1) also comprises a fine treatment filter element and a central tube, wherein the fine treatment filter element is a spiral membrane and is wound on the central tube, and the central tube is made of a material capable of allowing a fluid channel. Through the utility model discloses make filter element group spare bulky very reduce, reach the purpose that reduces the volume of filter core, simultaneously because the ultrafiltration sets up on water outlet device for the filter effect is better, has further improved the filter effect.

Description

Water purification unit with filter element group spare
Technical Field
The utility model belongs to the technical field of the water purification, concretely relates to water purification unit with filter element group spare.
Background
In the current filter core technique, adopt filter element group spare in order to improve the water purification efficiency to water, but because the ultrafiltration filter core sets up at the rearmounted filtration position usually among the multistage filter core, promptly after reverse osmosis membrane's water route, be located reverse osmosis membrane's inside promptly, be located whole filter element group spare's inside promptly, can lead to like this because the ultrafiltration filter core is integrated inside the filter core, and can increase filter element group spare's volume, be unfavorable for filter element group spare or even water purification unit's miniaturization.
Because the inside ultrafiltration filter core that sets up of filter element group spare among the prior art and lead to increasing the volume of filter element group spare, be unfavorable for filter element group spare or even water purification unit's technical problem such as miniaturization, consequently the utility model discloses study and design a water purification unit with filter element group spare.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming filter element group spare among the prior art and having inside ultrafiltration filter core that sets up and lead to increasing filter element group spare volume, is unfavorable for filter element group spare or even water purification unit's miniaturized defect to a water purification unit with filter element group spare is provided.
The utility model provides a water purification unit with filter element group spare, it includes:
the water purification equipment comprises a filter element assembly and water outlet equipment, wherein the filter element assembly is communicated with the water outlet equipment through a water pipe, water discharged by the filter element assembly flows to the water outlet equipment through the water pipe, and the water purification equipment further comprises an ultrafiltration filter element which is integrally arranged on the water outlet equipment, so that water in the water pipe can enter the ultrafiltration filter element to be filtered; the filter element assembly further comprises a fine treatment filter element and a central tube, wherein the fine treatment filter element is a spiral membrane and is wound on the central tube, and the central tube is made of a material capable of allowing a fluid channel.
Preferably, the first and second electrodes are formed of a metal,
the ultrafiltration filter element comprises an ultrafiltration membrane, the water outlet equipment comprises a faucet assembly, and the ultrafiltration membrane is integrally arranged on the faucet assembly.
Preferably, the first and second electrodes are formed of a metal,
the filter element assembly comprises a first filter unit, a second filter unit, a third filter unit, a fourth filter unit and a fifth filter unit, and a water path sequentially passes through the first filter unit, the second filter unit, the third filter unit, the fourth filter unit and the fifth filter unit and is filtered.
Preferably, the first and second electrodes are formed of a metal,
the filter element component comprises a first filter unit, a second filter unit, a third filter unit, a fourth filter unit and a fifth filter unit which are compositely arranged in the same filter bottle, and a water path sequentially passes through the first filter unit, the second filter unit, the third filter unit, the fourth filter unit and the fifth filter unit and is filtered.
Preferably, the first and second electrodes are formed of a metal,
the first filter unit comprises a filter material of PP wool, and/or,
the second filter unit comprises a filter material of granular activated carbon.
Preferably, the first and second electrodes are formed of a metal,
the third filtering unit comprises a carbon rod as a pre-filter.
Preferably, the first and second electrodes are formed of a metal,
the fourth filtering unit is the fine treatment filter element and comprises a reverse osmosis membrane.
Preferably, the first and second electrodes are formed of a metal,
the fifth filtering unit is the central tube, comprises activated carbon and is formed into a carbon rod structure.
Preferably, the first and second electrodes are formed of a metal,
the filter element assembly includes a concentrate passage through which water separated out through the periphery of the fourth filtering unit enters and is discharged.
Preferably, the first and second electrodes are formed of a metal,
the filter element subassembly includes pure water delivery port and pure water passageway, pure water passageway one end with fifth filter unit intercommunication, the other end with pure water delivery port intercommunication, the pure water delivery port still with the water pipe intercommunication makes the process the filterable water of fifth filter unit gets into in the pure water passageway, the warp again pure water delivery port and discharged extremely in the water pipe.
The utility model provides a pair of water purification unit with filter element group spare has following beneficial effect:
the utility model discloses a with the integrated setting of ultrafiltration filter core on water equipment, can effectively set up the ultrafiltration filter core in the outside of filter element group spare for the filter element group spare is very big to be reduced, reaches the purpose and the effect that reduce the volume of filter core, simultaneously because the ultrafiltration sets up on water equipment, can do more its number of piles such as the membrane, makes the filter effect better, has further improved the filter effect.
Drawings
Fig. 1 is a schematic structural view of a water purifying apparatus having a filter element assembly according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a water purifying apparatus with a filter element assembly according to embodiment 2 of the present invention.
The reference numbers in the figures denote:
1. a filter element assembly; 11. a first filter unit; 12. a second filter unit; 13. a third filtering unit; 14. a fourth filter unit; 15. a fifth filtering unit; 2. a water outlet device; 21. a faucet assembly; 3. an ultrafiltration filter element; 4. a water pipe.
Detailed Description
As shown in fig. 1-2, the utility model provides a water purifying device with a filter element assembly, which comprises:
the water purifying device comprises a filter element assembly 1 and a water outlet device 2, wherein the filter element assembly 1 is communicated with the water outlet device 2 through a water pipe 4, water discharged by the filter element assembly 1 flows to the water outlet device 2 through the water pipe 4, the water purifying device further comprises an ultrafiltration filter element 3, and the ultrafiltration filter element 3 is integrally arranged on the water outlet device 2, so that water in the water pipe 4 can enter the ultrafiltration filter element 3 to be filtered; the filter element assembly 1 further comprises a fine treatment filter element and a central tube, wherein the fine treatment filter element is a spiral membrane and is wound on the central tube, and the central tube is made of a material capable of allowing a fluid channel.
The utility model discloses a with the integrated setting of ultrafiltration filter core on water equipment, can effectively set up the ultrafiltration filter core in the outside of filter element group spare for the filter element group spare is very big to be reduced, reaches the purpose and the effect that reduce the volume of filter core, simultaneously because the ultrafiltration sets up on water equipment, can do more its number of piles such as the membrane, makes the filter effect better, has further improved the filter effect. The central tube is arranged to be a structure (preferably a carbon rod) allowing fluid to pass through, the reverse osmosis membrane is rolled on the central tube, and compared with the existing structure in which the central tube is arranged outside the carbon rod to wind the RO membrane, the structure of the central tube is effectively omitted, the volume of the rolled reverse osmosis composite filter element is reduced, and the space of the composite filter element is reduced.
Preferably, the first and second electrodes are formed of a metal,
the ultrafiltration filter element 3 comprises an ultrafiltration membrane, the water outlet device 2 comprises a faucet assembly 21 (preferably a gooseneck faucet assembly), and the ultrafiltration membrane is integrally arranged on the faucet assembly 21. This is the preferred structure form of the ultrafiltration filter element of the present invention, that is, it is integrated on the faucet assembly by adopting the structure of the ultrafiltration membrane, so that it can be effectively integrated, as shown in fig. 1-2, and the integration efficiency can be improved.
Embodiment 1, as shown in fig. 1, preferably,
the filter element assembly 1 comprises a first filtering unit 11, a second filtering unit 12, a third filtering unit 13, a fourth filtering unit 14 and a fifth filtering unit 15 which are sequentially arranged and connected in series, and a water path sequentially passes through the first filtering unit 11, the second filtering unit 12, the third filtering unit 13, the fourth filtering unit 14 and the fifth filtering unit 15 and is filtered. This is the utility model discloses a preferred structural style of filter element group spare of embodiment 1, including five filter unit's arrangement structure side by side promptly, can make the water route in proper order through five filter unit and form the pure water at last, filter in reentrant ultrafiltration filter core 3 behind the inlet tube 4, improved the filter effect.
Embodiment 2, as shown in fig. 2, preferably,
the filter element assembly 1 comprises a first filter unit 11, a second filter unit 12, a third filter unit 13, a fourth filter unit 14 and a fifth filter unit 15 which are compositely arranged in the same filter bottle, and a water path sequentially passes through the first filter unit 11, the second filter unit 12, the third filter unit 13, the fourth filter unit 14 and the fifth filter unit 15 and is filtered. This is the utility model discloses a filter element group spare of embodiment 2 preferred structural style, including five filter unit's compound integrated form filter core structure promptly makes it compound in same filter flask, also can make the water route form pure water through five filter unit and at last in proper order, and reentrant ultrafiltration filter core 3 after inlet tube 4 filters, has improved the filter effect.
Preferably, the first and second electrodes are formed of a metal,
the first filter unit 11 comprises a filter material of PP cotton; and/or the second filter unit 12 comprises a filter material of granular activated carbon. The first filtering unit is preferably made of the structure and the material, and can be used for roughly filtering water and filtering large particles such as silt, suspended matters and the like; the preferred structure and the material of second filter unit can carry out degerming dechlorination and remove peculiar smell etc. to water.
Preferably, the first and second electrodes are formed of a metal,
the third filter unit 13 includes a carbon rod as a pre-filter. The method has the functions of adsorbing and removing residual chlorine in the water body and protecting the RO membrane.
Preferably, the first and second electrodes are formed of a metal,
the fourth filtering unit 14 is the fine treatment filter element and comprises a reverse osmosis membrane. The fine filtering filter element and the roll type reverse osmosis filter element are used for desalting.
Preferably, the first and second electrodes are formed of a metal,
the fifth filtering unit 15 is the central tube and includes activated carbon. The carbon rod central tube plays a role in improving the taste after being placed.
Preferably, the first and second electrodes are formed of a metal,
the filter element assembly includes a concentrate passage into which the concentrate precipitated through the fourth filtering unit 14 is introduced and discharged. The concentrated water (wastewater) filtered by the fourth filtering unit (reverse osmosis membrane) can be discharged through the concentrated water channel.
Preferably, the first and second electrodes are formed of a metal,
the filter element subassembly includes pure water delivery port and pure water passageway, pure water passageway one end with 15 intercommunications of fifth filter unit, the other end with the pure water delivery port intercommunication, the pure water delivery port still with water pipe 4 intercommunication makes the process the 15 filterable water of fifth filter unit gets into in the pure water passageway, the process again the pure water delivery port and discharged extremely in the water pipe 4. The pure water filtered by the fifth filtering unit (the rear active carbon) can be discharged through the pure water channel, so that the pure water enters the ultrafiltration filter element for ultrafiltration.
Fig. 1 shows, as a first embodiment, a structure including a first filtering unit, a second filtering unit, a third filtering unit, a fourth filtering unit, a fifth filtering unit, an ultrafiltration membrane, and a gooseneck faucet assembly. A water flow path: the raw water is filtered by the first filtering unit, the second filtering unit, the third filtering unit and the fourth filtering unit in sequence and then is discharged to improve the taste and water quality, and then passes through the fifth filtering unit again and flows through the ultrafiltration membrane outside the filtering units, so that purified water is produced, the water is convenient to use, and the volume of the filter element is reduced.
Fig. 2 is a second embodiment, an ultrafiltration membrane is arranged outside the composite filter element to realize filtration and produce purified water. The composite filter element includes: the first filtering unit, the second filtering unit, the third filtering unit, the fourth filtering unit and the fifth filtering unit are externally provided with an ultrafiltration membrane and a gooseneck faucet assembly, and the ultrafiltration membrane is integrally connected with the gooseneck faucet assembly. The first filtering unit is coarse filtering materials such as PP cotton, the second filtering unit is peculiar smell removing materials such as granular activated carbon, the third filtering unit is organic materials such as a carbon rod, the fourth filtering unit is fine filtering materials such as a reverse osmosis membrane, and the fifth filtering unit is sterilization materials such as activated carbon.
A water flow path: raw water enters the composite filter element, sequentially enters the first filtering unit, the second filtering unit, the third filtering unit, the fourth filtering unit and the fifth filtering unit through a water path for filtering, and concentrated water is discharged; the water passes through the ultrafiltration membrane again through the waterway with improved taste and is filtered to form purified water for drinking.
The ultrafiltration membrane and the water tap are integrated into a whole, so that the volume of the composite filter element is reduced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a water purification unit with filter element group spare which characterized in that: the method comprises the following steps:
the water purifier comprises a filter element assembly (1) and water outlet equipment (2), wherein the filter element assembly (1) is communicated with the water outlet equipment (2) through a water pipe (4), water discharged by the filter element assembly (1) flows to the water outlet equipment (2) through the water pipe (4), the water purifier further comprises an ultrafiltration filter element (3), and the ultrafiltration filter element (3) is integrally arranged on the water outlet equipment (2), so that water in the water pipe (4) can enter the ultrafiltration filter element (3) to be filtered; the filter element assembly (1) further comprises a fine treatment filter element and a central tube, wherein the fine treatment filter element is a spiral membrane and is wound on the central tube, and the central tube is made of a material capable of allowing a fluid channel.
2. The water purification apparatus of claim 1, wherein:
the ultrafiltration filter element (3) comprises an ultrafiltration membrane, the water outlet equipment (2) comprises a faucet assembly (21), and the ultrafiltration membrane is integrally arranged on the faucet assembly (21).
3. The water purification apparatus of claim 1 or 2, wherein:
the filter element assembly (1) comprises a first filtering unit (11), a second filtering unit (12), a third filtering unit (13), a fourth filtering unit (14) and a fifth filtering unit (15) which are sequentially arranged and connected in series, and a water path sequentially passes through the first filtering unit (11), the second filtering unit (12), the third filtering unit (13), the fourth filtering unit (14) and the fifth filtering unit (15) and is filtered.
4. The water purification apparatus of claim 1 or 2, wherein:
the filter element assembly (1) comprises a first filtering unit (11), a second filtering unit (12), a third filtering unit (13), a fourth filtering unit (14) and a fifth filtering unit (15) which are arranged in the same filter bottle in a composite mode, and a water path sequentially passes through the first filtering unit (11), the second filtering unit (12), the third filtering unit (13), the fourth filtering unit (14) and the fifth filtering unit (15) and is filtered.
5. The water purification apparatus of claim 3, wherein:
the first filter unit (11) comprises a filter material of PP cotton; and/or the second filter unit (12) comprises a filter material of granular activated carbon.
6. The water purification apparatus of claim 3, wherein:
the third filter unit (13) comprises a carbon rod as a pre-filter.
7. The water purification apparatus of claim 3, wherein:
the fourth filtering unit (14) is the fine treatment filter element and comprises a reverse osmosis membrane.
8. The water purification apparatus of claim 3, wherein:
the fifth filtering unit (15) is the central tube, comprises activated carbon and is formed into a carbon rod structure.
9. The water purification apparatus of claim 3, wherein:
the filter element assembly includes a concentrate passage into which the concentrate precipitated through the fourth filtering unit (14) is introduced and discharged.
10. The water purification apparatus of claim 3, wherein:
the filter element subassembly includes pure water delivery port and pure water passageway, pure water passageway one end with fifth filter unit (15) intercommunication, the other end with pure water delivery port intercommunication, the pure water delivery port still with water pipe (4) intercommunication makes the process fifth filter unit (15) filtered water gets into in the pure water passageway, the process again the pure water delivery port and discharged extremely in water pipe (4).
CN202020186747.1U 2019-08-02 2020-02-19 Water purification unit with filter element group spare Active CN212091724U (en)

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Application Number Priority Date Filing Date Title
CN2019107134546 2019-08-02
CN201910713454 2019-08-02

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Application Number Title Priority Date Filing Date
CN202020191911.8U Active CN211886284U (en) 2019-08-02 2020-02-19 Purifier filter core center tube, spiral wound membrane module and compound filter core subassembly
CN202010105792.4A Pending CN111185101A (en) 2019-08-02 2020-02-19 Water purification unit with filter element group spare
CN202010103366.7A Pending CN111185100A (en) 2019-08-02 2020-02-19 Central tube for roll type membrane, roll type membrane component and water purification system
CN202020186748.6U Active CN212091725U (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202020191957.XU Active CN211886285U (en) 2019-08-02 2020-02-19 Spiral wound membrane module and water purification system
CN202010103369.0A Pending CN111229057A (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202020186724.0U Active CN211886280U (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202010103184.XA Pending CN111185096A (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202010105862.6A Active CN112295417B (en) 2019-08-02 2020-02-19 A center tube, roll-type membrane module and water purification system for roll-type membrane
CN202020186723.6U Active CN211886279U (en) 2019-08-02 2020-02-19 Roll up formula membrane module, compound filter element group spare and water purification system
CN202010103151.5A Pending CN111229054A (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202020187693.0U Active CN212142159U (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202010103189.2A Pending CN111185097A (en) 2019-08-02 2020-02-19 Roll up formula membrane module, compound filter element group spare and water purification system
CN202020186747.1U Active CN212091724U (en) 2019-08-02 2020-02-19 Water purification unit with filter element group spare
CN202020186722.1U Active CN211886278U (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202020187694.5U Active CN211886282U (en) 2019-08-02 2020-02-19 Spiral wound membrane module and water purification system
CN202010105864.5A Pending CN111185102A (en) 2019-08-02 2020-02-19 Spiral wound membrane module and water purification system
CN202020186746.7U Active CN211886281U (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202010105797.7A Pending CN111318175A (en) 2019-08-02 2020-02-19 Spiral wound membrane module and water purification system
CN202020187695.XU Active CN211886283U (en) 2019-08-02 2020-02-19 Central tube for roll type membrane, roll type membrane component and water purification system
CN202010103163.8A Pending CN111229055A (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202010103364.8A Pending CN111185099A (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202010103362.9A Pending CN111185098A (en) 2019-08-02 2020-02-19 Purifier filter core center tube, spiral wound membrane module and compound filter core subassembly
CN202010103186.9A Pending CN111229056A (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202020186721.7U Active CN211886277U (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system

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Application Number Title Priority Date Filing Date
CN202020191911.8U Active CN211886284U (en) 2019-08-02 2020-02-19 Purifier filter core center tube, spiral wound membrane module and compound filter core subassembly
CN202010105792.4A Pending CN111185101A (en) 2019-08-02 2020-02-19 Water purification unit with filter element group spare
CN202010103366.7A Pending CN111185100A (en) 2019-08-02 2020-02-19 Central tube for roll type membrane, roll type membrane component and water purification system
CN202020186748.6U Active CN212091725U (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202020191957.XU Active CN211886285U (en) 2019-08-02 2020-02-19 Spiral wound membrane module and water purification system
CN202010103369.0A Pending CN111229057A (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202020186724.0U Active CN211886280U (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202010103184.XA Pending CN111185096A (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202010105862.6A Active CN112295417B (en) 2019-08-02 2020-02-19 A center tube, roll-type membrane module and water purification system for roll-type membrane
CN202020186723.6U Active CN211886279U (en) 2019-08-02 2020-02-19 Roll up formula membrane module, compound filter element group spare and water purification system
CN202010103151.5A Pending CN111229054A (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202020187693.0U Active CN212142159U (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202010103189.2A Pending CN111185097A (en) 2019-08-02 2020-02-19 Roll up formula membrane module, compound filter element group spare and water purification system

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Application Number Title Priority Date Filing Date
CN202020186722.1U Active CN211886278U (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202020187694.5U Active CN211886282U (en) 2019-08-02 2020-02-19 Spiral wound membrane module and water purification system
CN202010105864.5A Pending CN111185102A (en) 2019-08-02 2020-02-19 Spiral wound membrane module and water purification system
CN202020186746.7U Active CN211886281U (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202010105797.7A Pending CN111318175A (en) 2019-08-02 2020-02-19 Spiral wound membrane module and water purification system
CN202020187695.XU Active CN211886283U (en) 2019-08-02 2020-02-19 Central tube for roll type membrane, roll type membrane component and water purification system
CN202010103163.8A Pending CN111229055A (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202010103364.8A Pending CN111185099A (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202010103362.9A Pending CN111185098A (en) 2019-08-02 2020-02-19 Purifier filter core center tube, spiral wound membrane module and compound filter core subassembly
CN202010103186.9A Pending CN111229056A (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system
CN202020186721.7U Active CN211886277U (en) 2019-08-02 2020-02-19 Compound filter element group spare and water purification system

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WO (1) WO2021164335A1 (en)

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