CN112386986A - Self-cleaning cartridge filter - Google Patents
Self-cleaning cartridge filter Download PDFInfo
- Publication number
- CN112386986A CN112386986A CN202011086463.6A CN202011086463A CN112386986A CN 112386986 A CN112386986 A CN 112386986A CN 202011086463 A CN202011086463 A CN 202011086463A CN 112386986 A CN112386986 A CN 112386986A
- Authority
- CN
- China
- Prior art keywords
- cover plate
- filter
- filtering
- lower cover
- flow passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000002245 particle Substances 0.000 claims abstract description 35
- 238000001914 filtration Methods 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 16
- 239000008187 granular material Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 7
- 239000008213 purified water Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 7
- 239000010865 sewage Substances 0.000 description 4
- 238000011001 backwashing Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 241000243686 Eisenia fetida Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a self-cleaning security filter, which comprises a shell and a filter element assembly positioned in the shell, wherein the outer surface of the shell is provided with a water inlet and a water outlet, water flow enters the shell through the water inlet and flows out of the shell from the water outlet after being filtered by the filter element assembly, the filter element assembly comprises a plurality of filter pipes, the outer surfaces of the plurality of filter pipes are provided with a plurality of micropores, a gap is arranged between every two adjacent filter pipes, a plurality of cleaning particles are filled in the gap, and the cleaning particles scrape the outer surfaces of the filter pipes under the action of the water flow, so that the outer surfaces of the filter pipes are not easy to adhere impurities and scale, and further, the pollution blockage can not occur, the aim of automatically cleaning the filter pipes can be realized, high purified water.
Description
Technical Field
The invention relates to the technical field of filtration, in particular to a self-cleaning security filter.
Background
The existing cartridge filter generally comprises a shell and a filter element assembly positioned in the shell, wherein the outer surface of the shell is provided with a water inlet and a water outlet, and in the using process, water flow enters the shell through the water inlet and flows out of the shell from the water outlet after being filtered by the filter element assembly. After the cartridge filter uses a period, the surface of the filter element assembly in the cartridge filter can be adhered with impurities, so that the water outlet flow of the cartridge filter can be influenced, and the service life of the cartridge filter can be even shortened, so that the filter element assembly needs to be maintained at regular intervals, but the disassembly and the cleaning of the filter element assembly are very complicated, and the operation is very inconvenient.
Disclosure of Invention
It is an object of an embodiment of the present invention to provide a self-cleaning cartridge filter to solve the above problems in the background art.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
the utility model provides a cartridge filter of automatically cleaning, includes the casing and is located the filter element group spare of casing, and the surface of casing is equipped with water inlet and delivery port, and rivers pass through the water inlet and get into the casing, flow the casing from the delivery port after filter element group spare filters, and filter element group spare includes a plurality of filter tubes, and the surface of a plurality of filter tubes all is equipped with a plurality of micropores, is equipped with the space between two adjacent filter tubes, and the space intussuseption is filled with a plurality of clean granules, and clean granule scrapes the surface of filter tube under the effect of.
As a further scheme of the invention: the cleaning particles are polygonal particles, the inner angle between two adjacent edges of the cleaning particles is an acute angle, and the density ratio of the cleaning particles to water is 0.9-1.1.
As a further scheme of the invention: the cleaning particles are plastic particles, ceramic particles or glass particles.
As a further scheme of the invention: the plurality of filter tubes are all longitudinally arranged and assembled together to form a cylinder around the longitudinal axis.
As a further scheme of the invention: the upper port side surfaces of the plurality of filter pipes are connected into a whole in a sealing and fixed mode, and the lower port side surfaces of the plurality of filter pipes are connected into a whole in a sealing and fixed mode.
As a further scheme of the invention: be equipped with upper cover plate and lower apron in the casing, filter element group spare presss from both sides and establishes between upper cover plate and lower apron, sealed fixed connection between the last port top surface of a plurality of filter tubes and the upper cover plate, and the lower port bottom surface of a plurality of filter tubes sets up in order to form the runner with the interval between the apron down, and the runner sets up with delivery port intercommunication.
As a further scheme of the invention: and a runner plate is arranged above the lower cover plate and fixedly connected with the side surface of the lower port of the outermost filter pipe, and the runner is formed between the runner plate and the lower cover plate.
As a further scheme of the invention: the runner plate is annular, the inner surface of the runner plate is fixedly connected with the side face of the lower port of the outermost filter pipe in a sealing mode, the lower end of the outer surface of the runner plate is provided with an installation step, the lower cover plate comprises a lower cover plate bottom wall and a lower cover plate side wall, and the lower cover plate side wall is fixedly connected with the installation step.
As a further scheme of the invention: and a runner port communicated with the runner is formed in the bottom wall of the lower cover plate, and the runner port is communicated with the water outlet.
As a further scheme of the invention: the outer surface of the shell is also provided with a sewage draining outlet which is provided with a sewage draining plug and is communicated with the runner opening.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
1. the filter element group spare includes a plurality of filter tubes, and the surface of a plurality of filter tubes all is equipped with a plurality of micropores, is equipped with the space between two adjacent filter tubes, and the space intussuseption is filled with a plurality of clean granules, and clean granule scrapes the surface of filter tube under the effect of rivers for the surface of filter tube is difficult for adhesion impurity and scale deposit, and then can not appear dirty stifled, so can realize the purpose of self-cleaning filter tube, can obtain very high purification discharge, can prolong safety filter's life again.
2. The cleaning particles are polygonal particles, the inner angle between two adjacent edges of the cleaning particles is an acute angle, the cleaning particles are plastic particles, ceramic particles or glass particles, such as light ceramic balls, the density of the cleaning particles is slightly larger than or smaller than that of water and is between 0.9 and 1.1, and thus the cleaning particles can move up and down along with water flow to scrape the outer surface of the filter pipe, so that the outer surface of the filter pipe is not easy to scale and micropores are not easy to stain and block, and the purposes of self-cleaning and long service life are achieved.
3. The plurality of filter pipes are longitudinally arranged and assembled together to form a cylinder shape surrounding the longitudinal axis, namely the plurality of filter pipes are arranged to form a cluster cylinder shape, so that the maximized water passing specific surface area and the timed backwashing effect can be obtained, and further, the high purified water flow can be obtained, and the service life of the security filter can be prolonged.
3. The upper port sides of the plurality of filter pipes are connected into a whole in a sealing and fixing manner, the lower port sides of the plurality of filter pipes are connected into a whole in a sealing and fixing manner, an upper cover plate and a lower cover plate are arranged in the shell, the filter element assembly is clamped between the upper cover plate and the lower cover plate, the upper port top surfaces of the plurality of filter pipes are connected with the upper cover plate in a sealing and fixing manner, the lower port bottom surfaces of the plurality of filter pipes and the lower cover plate are arranged at intervals to form a flow passage, the flow passage is communicated with the water outlet, so that an integral filter element assembly is formed, the structural layout is compact, and the filter.
4. The lower apron top is equipped with the runner plate, the lower port side fixed connection of runner plate and outmost filter tube, form the runner between runner plate and the lower apron, the runner plate is cyclic annular, the internal surface of runner plate and the lower port side sealing fixed connection of outmost filter tube, the surface lower extreme of runner plate is equipped with the installation step, the lower apron includes apron diapire and lower apron lateral wall down, lower apron lateral wall and installation step fixed connection, the lower apron diapire of lower apron is equipped with the runner mouth with the runner intercommunication, the runner mouth sets up with the delivery port intercommunication. The independently arranged flow channel can gather the filtered water together to form water flow, so that the water flow can stably flow out of the water outlet, the water outlet is smooth, and abnormal sound cannot be emitted.
5. The outer surface of the shell is also provided with a drain outlet, the drain outlet is provided with a drain plug, the drain outlet is communicated with the runner opening, and impurities and the like in the security filter can be regularly discharged through the drain outlet.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of the cartridge assembly of fig. 1 within the housing.
Fig. 3 is a schematic partial perspective view of the cartridge assembly of fig. 1 within the housing.
In the figure: the device comprises a shell 1, a water inlet 2, a water outlet 3, a filter pipe 4, cleaning particles 5, an upper cover plate 6, a lower cover plate 7, a runner plate 8, a runner port 9, a sewage draining port 10 and a sewage draining plug 11.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
The cartridge filter of this embodiment's structure is shown in fig. 1 to fig. 3 including casing 1 and the filter element group spare that is located casing 1, casing 1's surface is equipped with water inlet 2 and delivery port 3, rivers pass through water inlet 2 and get into casing 1, flow out casing 1 from delivery port 3 after filter element group spare filters, filter element group spare includes a plurality of filter tubes 4, the surface of a plurality of filter tubes 4 all is equipped with a plurality of micropores, be equipped with the space between two adjacent filter tubes 4, the space intussuseption is filled with a plurality of clean granule 5, clean granule 5 scrapes the surface of filter tube 4 under the effect of rivers, make the surface of filter tube 4 difficult adhesion impurity and scale deposit, and then can not appear dirty stifled, so can realize the mesh of self-cleaning filter tube 4, can obtain very high purification discharge, can prolong cartridge filter's life again.
The cleaning particles 5 are polygonal particles, the inner angle between two adjacent edges of the cleaning particles 5 is an acute angle, the cleaning particles 5 are plastic particles, ceramic particles or glass particles, and can be light ceramic balls, the density of the cleaning particles is slightly larger than or smaller than that of water and is between 0.9 and 1.1, and thus the cleaning particles 5 can move up and down along with water flow to scrape the outer surface of the filter pipe 4, so that the outer surface of the filter pipe 4 is not easy to scale and micropores are not easy to stain and block, and the purposes of self-cleaning and long service life are achieved.
The plurality of filter pipes 4 are longitudinally arranged, and the plurality of filter pipes 4 are assembled together to form a cylinder shape surrounding the longitudinal axis, namely the plurality of filter pipes 4 are arranged to form a cluster cylinder shape, so that the maximized water passing specific surface area and the timed backwashing effect can be obtained, further, the high purified water flow can be obtained, and the service life of the security filter can be prolonged. The upper port side faces of the plurality of filter pipes 4 are connected into a whole in a sealing and fixing mode, the lower port side faces of the plurality of filter pipes 4 are connected into a whole in a sealing and fixing mode, an upper cover plate 6 and a lower cover plate 7 are arranged in the shell 1, the filter element assembly is clamped between the upper cover plate 6 and the lower cover plate 7, specifically, the upper port top faces of the plurality of filter pipes 4 are connected with the upper cover plate 6 in a sealing and fixing mode, the lower port bottom faces of the plurality of filter pipes 4 and the lower cover plate 7 are arranged at intervals to form flow channels, the flow channels are communicated with the water outlets 3, so that an integral filter element assembly is formed, the structure layout is compact, and the.
The shell 1 of the embodiment is a stainless steel shell, the filter pipe 4 is a microporous pipe with the outer diameter of 12mm, the inner diameter of 8mm and the length of 1000mm, which is made by 500-mesh superfine ultra-high molecular PE fine powder through semi-melting die pressing and sintering, the filtering precision is 0.5-1 micron, the filtering precision is high, the micropores on the filter pipe 4 are rigid structure holes, and after the filter element is polluted and blocked, the filter element can not penetrate through a PP cotton filter element to take out the polluted and blocked object, so that the always effective interception and interception precision is achieved, and because the filter element is of a tubular sintering structure, the micropores are rigid holes, the filter element is suitable for timing backwashing, and the service life of the security filter is. The upper cover plate 6 and the lower cover plate 7 are both PP round end covers, the upper cover plate 6 is used for gluing and blocking the top surfaces of the upper ports of the plurality of filter pipes 4 to form a closed whole, the upper port sides and the lower port sides of the plurality of filter pipes 4 are also connected into a whole in a gluing, sealing and fixing way, the lower ports of the plurality of filter pipes 4 are connected in parallel and then extend into the lower cover plate 7 and are communicated with a flow channel, a flow channel plate 8 is arranged above the lower cover plate 7, the flow channel is formed between the flow channel plate 8 and the lower cover plate 7, the flow channel plate 8 is annular, the inner surface of the flow channel plate 8 is fixedly connected with the lower port side of the outermost filter pipe 4 in a sealing way, the lower end of the outer surface of the flow channel plate 8 is provided with an installation step, the lower cover plate 7 comprises a lower cover plate bottom wall and a lower cover plate side wall, the lower cover plate side wall is fixedly connected with the installation step to realize the installation between the lower cover plate 7 and, the runner port 9 is communicated with the water outlet 3.
In the use, rivers pass through water inlet 2 and get into casing 1, collect in flow channel department after the filter element group spare that a plurality of filter tubes 4 formed filters, finally through 3 outflow casings 1 from delivery port, because clean granule 5 can be along with rivers motion with the surface of scraping filter tube 4, consequently the cartridge filter of this embodiment can carry out the backwash to the filter element group spare and has realized self-cleaning's purpose, can effectively purify life delivery water, effectively get rid of the particulate matter impurity of aquatic, silt, red worm, rust etc. The surface of casing 1 still is equipped with drain 10, and drain 10 is equipped with blowdown stopper 11, and drain 10 and runner opening 9 intercommunication set up, can regularly discharge impurity etc. in the cartridge filter through drain 10, and water inlet 2, delivery port 3 and drain 10 all are equipped with filter screen and can effectively prevent that clean granule 5 from flowing out casing 1.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (10)
1. The utility model provides a cartridge filter of automatically cleaning, includes the casing and is located the filter element group spare of casing, and the surface of casing is equipped with water inlet and delivery port, and rivers pass through the water inlet and get into the casing, flow the casing from the delivery port after filter element group spare filters, and its characterized in that, filter element group spare include a plurality of filter tubes, and the surface of a plurality of filter tubes all is equipped with a plurality of micropores, is equipped with the space between two adjacent filter tubes, and the space intussuseption is filled with a plurality of clean granules, and the surface of clean granule scraping filter tube under the effect of.
2. A filtering nozzle according to claim 1, characterized in that said cleaning particles are polygonal particles, the inner angle between two adjacent sides of the cleaning particles is an acute angle, and the density ratio of the cleaning particles to the water is 0.9-1.1.
3. A filtering nozzle according to claim 1, characterized in that said cleaning particles are plastic, ceramic or glass particles.
4. The filtering water nozzle as recited in claim 1 wherein said plurality of filtering tubes are longitudinally disposed and assembled together to form a cylinder about a longitudinal axis.
5. The filtering water nozzle as claimed in claim 1, wherein the side surfaces of the upper ports of the filtering pipes are fixedly connected to form a whole in a sealing manner, and the side surfaces of the lower ports of the filtering pipes are fixedly connected to form a whole in a sealing manner.
6. The filtering water nozzle as claimed in claim 1, wherein an upper cover plate and a lower cover plate are disposed in the housing, the filter element assembly is sandwiched between the upper cover plate and the lower cover plate, top surfaces of upper ports of the filtering pipes are fixedly connected to the upper cover plate in a sealing manner, bottom surfaces of lower ports of the filtering pipes are spaced from the lower cover plate to form a flow passage, and the flow passage is communicated with the water outlet.
7. The filtering water nozzle as claimed in claim 6, wherein a flow passage plate is disposed above the lower cover plate, the flow passage plate is fixedly connected to the side surface of the lower port of the outermost filtering pipe, and the flow passage is formed between the flow passage plate and the lower cover plate.
8. The filtering water nozzle as claimed in claim 7, wherein the flow passage plate is annular, the inner surface of the flow passage plate is fixedly connected with the side surface of the lower port of the outermost filtering pipe in a sealing manner, the lower end of the outer surface of the flow passage plate is provided with a mounting step, the lower cover plate comprises a lower cover plate bottom wall and a lower cover plate side wall, and the lower cover plate side wall is fixedly connected with the mounting step.
9. The filtering water nozzle as claimed in claim 8, wherein the bottom wall of the lower cover plate is provided with a channel opening communicated with the channel, and the channel opening is communicated with the water outlet.
10. The filtering water nozzle as claimed in claim 9, wherein the outer surface of the housing is further provided with a drain outlet, the drain outlet is provided with a drain plug, and the drain outlet is communicated with the flow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011086463.6A CN112386986A (en) | 2020-10-12 | 2020-10-12 | Self-cleaning cartridge filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011086463.6A CN112386986A (en) | 2020-10-12 | 2020-10-12 | Self-cleaning cartridge filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112386986A true CN112386986A (en) | 2021-02-23 |
Family
ID=74595904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011086463.6A Pending CN112386986A (en) | 2020-10-12 | 2020-10-12 | Self-cleaning cartridge filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112386986A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023061247A1 (en) * | 2021-10-13 | 2023-04-20 | 青岛海尔洗衣机有限公司 | Filtering device and washing machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1771928A (en) * | 1927-05-02 | 1930-07-29 | Jung Hans | Filter press |
| US4552669A (en) * | 1983-04-18 | 1985-11-12 | Mott Metallurgical Corporation | Pneumatic hydro-pulse filter system and method of operation |
| DE3840193A1 (en) * | 1988-11-29 | 1990-05-31 | Krupp Industrietech | Tubular filter |
| CN2858620Y (en) * | 2005-12-23 | 2007-01-17 | 利保贞 | Self-cleaning purifier |
| CN201127867Y (en) * | 2007-11-30 | 2008-10-08 | 湖州晶泉水处理设备有限公司 | Microporous filter |
| CN202427232U (en) * | 2011-12-30 | 2012-09-12 | 珠海新市节能环保科技有限公司 | Sewage purifier for garbage disposal |
| CN109420373A (en) * | 2017-08-28 | 2019-03-05 | 北京奥博水处理有限责任公司 | Self-cleaning filter |
| CN110384971A (en) * | 2018-04-18 | 2019-10-29 | 北京奥博水处理有限责任公司 | Self-cleaning filter |
| CN213885223U (en) * | 2020-10-12 | 2021-08-06 | 世普康(厦门)环保科技有限公司 | Self-cleaning cartridge filter |
-
2020
- 2020-10-12 CN CN202011086463.6A patent/CN112386986A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1771928A (en) * | 1927-05-02 | 1930-07-29 | Jung Hans | Filter press |
| US4552669A (en) * | 1983-04-18 | 1985-11-12 | Mott Metallurgical Corporation | Pneumatic hydro-pulse filter system and method of operation |
| DE3840193A1 (en) * | 1988-11-29 | 1990-05-31 | Krupp Industrietech | Tubular filter |
| CN2858620Y (en) * | 2005-12-23 | 2007-01-17 | 利保贞 | Self-cleaning purifier |
| CN201127867Y (en) * | 2007-11-30 | 2008-10-08 | 湖州晶泉水处理设备有限公司 | Microporous filter |
| CN202427232U (en) * | 2011-12-30 | 2012-09-12 | 珠海新市节能环保科技有限公司 | Sewage purifier for garbage disposal |
| CN109420373A (en) * | 2017-08-28 | 2019-03-05 | 北京奥博水处理有限责任公司 | Self-cleaning filter |
| CN110384971A (en) * | 2018-04-18 | 2019-10-29 | 北京奥博水处理有限责任公司 | Self-cleaning filter |
| CN213885223U (en) * | 2020-10-12 | 2021-08-06 | 世普康(厦门)环保科技有限公司 | Self-cleaning cartridge filter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023061247A1 (en) * | 2021-10-13 | 2023-04-20 | 青岛海尔洗衣机有限公司 | Filtering device and washing machine |
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Effective date of registration: 20230306 Address after: Room e604a, Taiwan Science and technology enterprise cultivation center, Xiamen Torch hi tech Zone (Xiang'an) Industrial Zone, Xiamen City, Fujian Province, 361000 Applicant after: Xiamen quanjiale New Material Co.,Ltd. Address before: Room e606a, North Taiwan Science and technology enterprise development center, 88 Xiangxing Road, industrial zone, torch hi tech Zone (Xiang'an), Xiamen, Fujian, 361000 Applicant before: Shipcon (Xiamen) Environmental Protection Technology Co.,Ltd. |
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