CN109550294A - A kind of self-cleaning filter - Google Patents
A kind of self-cleaning filter Download PDFInfo
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- CN109550294A CN109550294A CN201811246470.0A CN201811246470A CN109550294A CN 109550294 A CN109550294 A CN 109550294A CN 201811246470 A CN201811246470 A CN 201811246470A CN 109550294 A CN109550294 A CN 109550294A
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- filter
- cylinder
- knife
- area
- fixedly connected
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- 238000004140 cleaning Methods 0.000 title claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 87
- 239000010865 sewage Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000012535 impurity Substances 0.000 claims description 31
- 239000008187 granular material Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 238000007790 scraping Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
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
- B01D29/56—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 in series connection
-
- 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
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of self-cleaning filters, including cylinder, filter plate, scrape filter knife, refined filtration net, the cylinder both ends are fixedly connected with blind plate, the cylinder upper end is provided with driving motor, water inlet pipe and outlet pipe are additionally provided on the cylinder, the inner barrel is respectively arranged with coarse filtration area from top to bottom, smart filtering area, blowdown area, the coarse filtration area is provided with filter plate, the filter plate upper surface, which is provided with, scrapes filter knife, the cylinder edge scraped in filter knife same level is provided with sewage draining exit, the sewage draining exit, which is communicated with, receives dirty pipe, the essence filtering area is provided with refined filtration net, several connecting rods normal thereto are fixedly connected on drive rod in the essence filtering area, the connecting rod end is fixedly connected with cleaning band；Blowdown area bottom end is fixedly connected with sewage pipe.The present invention has the advantages that automatic cleaning function and filter effect is good, filter efficiency is high, is not easy to plug, has higher pollutant carrying capacity, is mainly used for liquid filtering.
Description
Technical field
The present invention relates to filter plant technical field, specifically a kind of self-cleaning filter.
Background technique
Filtering is the process for being purified fluid purification by filter, is one of the unit operation in all conglomeraties.
The filtering of liquid is divided into gravity filtration, pressure filtration, vacuum filter and centrifugal filtration etc. by its mode of operation, for herein
Filter plant has bag filter, vacuum filtration machine, plate and frame type filter-press, chamber filter press, continous way pressing filter, centrifugation
Numerous forms such as seperator, membrane filter.
No matter liquid is filtered in what manner, essence is all with solid in porous filter medium retention liquid
Grain, so that solid, liquid be enable to separate.It is almost a fixed value since filter medium holds dirty power, with prolonging for working time
Long, the solid particle of retention gradually increases, and filter capacity will decline to a great extent, filtering layer two sides pressure difference then rapid increase, at this time
Filter medium must be cleaned, to ensure filter to the normal filtration of liquid.Cleaning for filter medium, is usually adopted
Manually or semi-artificial cleaning way, have the shortcomings that scavenging period length, low efficiency, cleaning degree are low etc., especially when solid
When body particulate matter has viscosity, faster, the cleaning difficulty of filter medium is bigger for the filter capacity decline of filter medium, single cleaning
Used time is longer and needs frequent clean, this causes larger adverse effect to the working efficiency of filter.
Summary of the invention
Aiming at the defects existing in the prior art, it is an object of the present invention to provide one kind to have automatic cleaning function
And filter effect is good, filter efficiency is high, the self-cleaning filter that is not easy to plug, has higher pollutant carrying capacity.
Present invention technical solution used for the above purpose is: a kind of self-cleaning filter, including cylinder, filtering
Plate scrapes filter knife, refined filtration net, and the cylinder vertical direction setting, the cylinder both ends are fixedly connected with two for closed cylinder
Group blind plate, the blind plate of the cylinder upper end are provided centrally with the drive rod of transmission power, described drive rod one end stretch out blind plate with
Driving motor is connected, and the drive rod other end is arranged in inner barrel, for connecting other apparatus assemblies；On the cylinder
It is additionally provided with water inlet pipe and outlet pipe, the inner barrel is respectively arranged with coarse filtration area, smart filtering area, blowdown from top to bottom
Area, the coarse filtration area are provided with filter plate, and for filtering granule foreign big in liquid, the filter plate upper surface is provided with
Filter knife is scraped, for striking off the granule foreign of filter surface, the drive rod is each passed through described scrape and filters knife and the filter plate,
And be fixedly connected with the filter knife of scraping, for providing power to scrape filter knife, the filter knife of scraping is provided with curved knife more than two,
The arc-shaped structure of curved knife described in every group pushes impurity to cylinder edge while striking off filter surface impurity, described to scrape
Cylinder edge in filter knife same level is provided with sewage draining exit, and the sewage draining exit, which is communicated with, receives dirty pipe, makes to push cylinder edge to
Impurity fall into and receive in dirty pipe, it is described to receive dirty bottom of the tube and be provided with blowdown valve, for excluding to receive the impurity in dirty pipe；The essence mistake
Filter area is provided with refined filtration net, and for filtering minute impurities in liquid, the essence interior is connected with the filter plate, described
It is provided with certain distance between the cylinder outside refined filtration net, for the liquid after coarse filtration carefully to be filtered, the biography
Lever passes through the setting after scraping filter knife and filter plate and is fixedly connected on the drive rod in smart filtering area, the essence filtering area
Several connecting rods normal thereto, the connecting rod are successively arranged in the shape of a spiral, the connecting rod end be fixedly connected with to
It touches in the cleaning band of refined filtration net inner surface；The blowdown area is connected with the smart interior, for collecting the impurity swept and fallen,
Blowdown area bottom end is fixedly connected with sewage pipe, for excluding the impurity in blowdown area.
The blind plate center of the cylinder upper end and the filter plate center are provided with waterproofness bearing, the drive rod with
The waterproofness bearing is connected, for guaranteeing drive rod normal rotation.
The coarse filtration Qu Yujing filtering area is provided with support plate, and the filter plate is fixedly connected on the coarse filtration area
Interior support plate center, refined filtration net both ends are respectively fixedly connected in the support plate described in two groups.
The filter knife of scraping includes curved knife, boss, and the curved knife is fixedly connected on the outside the boss edge.
The inlet tube is located on the cylinder inboard wall in coarse filtration area and is arranged between filter plate and upper end blind plate, outlet
It is arranged on the cylinder inboard wall of smart filtering area and towards refined filtration net.
It is mounted on differential pressure indicator interface on the water inlet pipe and outlet pipe, is additionally provided with pressure reducing valve on the water inlet pipe.
The rotation axis of the driving motor is connected with train of reduction gears, and the driving motor is driven by train of reduction gears and passed
Lever slow uniform rotation in the housing.
The invention has the following advantages:
1 can be able to carry out automatic cleaning, Neng Goushi from main removing impurity, automatic cleaning in the operating condition
Existing continuous production, improves work efficiency；
2. double filtration, filter effect is good, filter efficiency is high, without manual cleaning, manpower is saved；
3. be provided with it is described receive dirty pipe and blowdown area, improve the pollutant carrying capacity of device, it is not easy to be blocked by impurity.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the present invention；
Fig. 2 is that the present invention scrapes filter knife structural schematic diagram.
In figure: filter knife, 4 refined filtration nets, 5 blind plates, 6 drive rods, 7 driving motors, 8 water inlet pipes, 9 are scraped in 1 cylinder, 2 filter plates, 3
Dirty pipe, 16 blowdown valves, 17 are received in outlet pipe, 10 coarse filtration areas, 11 smart filtering areas, 12 blowdown areas, 13 curved knifes, 14 sewage draining exits, 15
Connecting rod, 18 clean band, 19 sewage pipes, 20 waterproofness bearings, 21 boss, 22 differential pressure indicator interfaces, 23 pressure reducing valves, 24 reduction gearing
Group, 25 knifes edge, 26 knife spines, 27 push away miscellaneous muscle.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
A kind of self-cleaning filter referring to FIG. 1-2, including cylinder 1, filter plate 2, scrape filter knife 3, refined filtration net 4, cylinder 1
Vertical direction setting, 1 both ends of cylinder are fixedly connected with two groups of blind plates 5 for closed cylinder 1,5 center of blind plate of 1 upper end of cylinder
It is provided with the drive rod 6 of transmission power, 6 one end of drive rod stretches out blind plate 5 and is connected with driving motor 7, and 6 other end of drive rod is set
It sets inside cylinder 1, for connecting other apparatus assemblies；Water inlet pipe 8 and outlet pipe 9 are additionally provided on cylinder 1, inside cylinder 1
It is respectively arranged with coarse filtration area 10, smart filtering area 11, blowdown area 12 from top to bottom, coarse filtration area 10 is provided with filter plate 2, is used for
Granule foreign big in liquid is filtered, 2 upper surface of filter plate, which is provided with, scrapes filter knife 3, and the particle for striking off 2 surface of filter plate is miscellaneous
Matter, drive rod 6, which is each passed through, scrapes filter knife 3 and filter plate 2, and is fixedly connected with filter knife 3 is scraped, for providing power to scrape filter knife 3,
It scrapes filter knife 3 and is provided with curved knife 13 more than two, every group of arc-shaped structure of curved knife 13 is striking off 2 surface impurity of filter plate
While, push impurity to cylinder 1 edge, 1 edge of cylinder scraped in filter 3 same level of knife is provided with sewage draining exit 14, blowdown
Mouthfuls 14 are communicated with and receive dirty pipe 15, fall into the impurity for pushing 1 edge of cylinder to and receive in dirty pipe 15, receive dirty 15 bottom of pipe and are provided with blowdown
Valve 16, for excluding to receive the impurity in dirty pipe 15；Smart filtering area 11 is provided with refined filtration net 4, for filtering minute impurities in liquid,
4 inside of refined filtration net is connected with filter plate 2, is provided with certain distance between 4 outside of refined filtration net and cylinder 1, is used for coarse filtration
Liquid afterwards is carefully filtered, and drive rod 6 is arranged in smart filtering area 11, smart filtering area 11 after scraping filter knife 3 and filter plate 2
Drive rod 6 on be fixedly connected with several connecting rods 17 normal thereto, connecting rod 17 is successively arranged in the shape of a spiral, connecting rod
17 ends are fixedly connected with the cleaning band 18 for contacting at 4 inner surface of refined filtration net；It is connected inside blowdown area 12 and refined filtration net 4, uses
The impurity fallen is swept in collecting, 12 bottom end of blowdown area is fixedly connected with sewage pipe 19, for excluding the impurity in blowdown area 12.
In the present invention, 5 center of blind plate and 2 center of filter plate of 1 upper end of cylinder are provided with waterproofness bearing 20, drive rod
6 are connected with waterproofness bearing 20, for guaranteeing drive rod normal rotation；Coarse filtration area 10 and smart filtering area 11 are provided with branch
Fagging, filter plate 2 are fixedly connected on the center of the support plate in coarse filtration area 10, and 4 both ends of refined filtration net are respectively fixedly connected at two groups
In support plate；Scraping filter knife 3 includes curved knife 13, boss 21, and curved knife 13 is fixedly connected on 21 outer ledge of boss；Inlet tube
On 1 inner wall of cylinder in coarse filtration area 10 and it is arranged between filter plate 2 and upper end blind plate 5, outlet is located at smart filtering area
It is arranged on 11 1 inner wall of cylinder and towards refined filtration net 4；It is mounted on differential pressure indicator interface 22 on water inlet pipe 8 and outlet pipe 9, is intake
Pressure reducing valve 23 is additionally provided on pipe 8；The rotation axis of driving motor 7 is connected with train of reduction gears 24, and driving motor 7 passes through reducing gear
Wheel group 24 drives the slow uniform rotation in the housing of drive rod 6, to improve the effect of cleaning filter plate 2 and refined filtration net 4.
Embodiment 2
The working principle of the invention is: in use, raw water water receiving pipe is fixedly connected with water inlet pipe 8, outlet pipe 9 and drainage
Pipe is connected, and in filter process, raw water enters from water inlet pipe 8, and the filter plate 2 for first passing through coarse filtration area 10 filters, by essence
The refined filtration net 4 of filtering area 11 filters, and filtered liquid is discharged finally by outlet pipe 9；
When needing to clean, in coarse filtration area 10, scrapes filter knife 3 and be fixedly connected with drive rod 6, driving motor 7, which drives, to be passed
Lever 6 rotate and then drive is scraped filter knife 3 and rotated, and scrapes filter knife 3 and scrapes the impurity on 2 surface of filter plate while rotation
It removes, and pushes impurity to filter plate 2 peripheral edge, be provided with sewage draining exit on 1 inner wall of cylinder of 2 marginal position side of filter plate
14, impurity is pushed into sewage draining exit 14 during scraping filter knife 3 and cleaning back and forth, and along the landing of sewage draining exit 14 to receiving dirty pipe 15
In, impurity is discharged by receiving the blowdown valve 16 of dirty 15 bottom of pipe；
In smart filtering area 11, the connecting rod 17 that multiple groups helically arrange, 17 end of connecting rod are fixedly connected on drive rod 6
End, which is fixedly connected with, cleans band 18, and connecting rod 17 is driven when drive rod 6 slowly rotates and cleans band 18 for 4 inner surface of refined filtration net
Impurity strike off to sweep and fall, impurity falls into blowdown area 12 under the action of free sedimentation, to complete the cleaning to filter entirety,
Impurity is discharged finally by sewage pipe 19.
Embodiment 3
Scrape filter knife 3 in curved knife 13 be designed as two or more, may be designed as entirety, can also partial installation on cutter shaft,
Curved knife 13 is provided with the knife edge 25 towards rotation direction edge, is set as knife spine 26, the knife edge 25 relative to 25 other edge of the knife edge
To 26 progressive additive of knife spine, 26 side of knife spine, which is provided with, pushes away miscellaneous muscle 27, is close to filter plate 2 when the knife edge 25 of curved knife 13 and rotates
When, the impurity on filter plate 2 is scraped, and is pushed away miscellaneous muscle 27 by arc and is pushed periphery to, and it is passed into sewage draining exit 14 and receives dirty pipe 15, knife
Cutting edge of a knife or a sword 25 thickens gradually to knife spine 26, and filter knife 3 will be scraped by stream pressure when scraping filter by, which being conducive to, pushes filter plate 2 to and operate.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of self-cleaning filter, including cylinder (1), filter plate (2), scrape filter knife (3), refined filtration net (4), it is characterised in that:
Cylinder (1) the vertical direction setting, cylinder (1) both ends are fixedly connected with two groups of blind plates for closed cylinder (1)
(5), the blind plate (5) of cylinder (1) upper end is provided centrally with the drive rod (6) of transmission power, and described drive rod (6) one end is stretched
Blind plate (5) is connected with driving motor (7) out, and drive rod (6) other end setting is internal in cylinder (1), for connecting it
Its apparatus assembly；Water inlet pipe (8) and outlet pipe (9) are additionally provided on the cylinder (1), the cylinder (1) is internal from top to bottom
It is respectively arranged with coarse filtration area (10), smart filtering area (11), blowdown area (12), the coarse filtration area (10) is provided with filter plate
(2), for filtering granule foreign big in liquid, filter plate (2) upper surface, which is provided with, scrapes filter knife (3), for striking off
The granule foreign on filter plate (2) surface, the drive rod (6) are each passed through described scrape and filter knife (3) and the filter plate (2), and with
It is described scrape filter knife (3) be fixedly connected, for for scrape filter knife (3) provide power, it is described scrape filter knife (3) be provided with arc more than two
Shape knife (13), curved knife described in every group (13) arc-shaped structure push away impurity while striking off filter plate (2) surface impurity
To cylinder (1) edge, described cylinder (1) edge scraped in filter knife (3) same level is provided with sewage draining exit (14), the blowdown
Mouthful (14), which are communicated with, receives dirty pipe (15), falls into the impurity for pushing cylinder (1) edge to and receives in dirty pipe (15), described to receive dirty pipe (15)
Bottom is provided with blowdown valve (16), for excluding to receive the impurity in dirty pipe (15)；The essence filtering area (11) is provided with refined filtration net
(4), for filtering minute impurities in liquid, the refined filtration net (4) is internal to be connected with the filter plate (2), the refined filtration net
(4) it is provided with certain distance between outside and the cylinder (1), for the liquid after coarse filtration carefully to be filtered, the biography
Lever (6) scrapes filter knife (3) described in and filter plate (2) are arranged in smart filtering area (11) afterwards, in the essence filtering area (11)
Several connecting rods (17) normal thereto are fixedly connected on drive rod (6), the connecting rod (17) is successively arranged in the shape of a spiral
Cloth, connecting rod (17) end are fixedly connected with the cleaning band (18) for contacting at refined filtration net (4) inner surface；The blowdown area
(12) it is connected with inside the refined filtration net (4), for collecting the impurity swept and fallen, blowdown area (12) bottom end is fixedly connected with
Sewage pipe (19), for excluding the impurity in blowdown area (12).
2. a kind of self-cleaning filter according to claim 1, it is characterised in that: the blind plate (5) of cylinder (1) upper end
Center and the filter plate (2) center are provided with waterproofness bearing (20), the drive rod (6) and the waterproofness bearing
(20) it is connected, for guaranteeing drive rod normal rotation.
3. a kind of self-cleaning filter according to claim 1, it is characterised in that: the coarse filtration area (10) and essence filter
Area (11) is provided with support plate, and the filter plate (2) is fixedly connected on the center of the support plate in the coarse filtration area (10), institute
Refined filtration net (4) both ends are stated to be respectively fixedly connected in the support plate described in two groups.
4. a kind of self-cleaning filter according to claim 1, it is characterised in that: it is described scrape filter knife (3) include arc
Knife (13), boss (21), the curved knife (13) are fixedly connected on the boss (21) outer ledge.
5. a kind of self-cleaning filter according to claim 1, it is characterised in that: the inlet tube is located at coarse filtration area
(10) on cylinder (1) inner wall and it is arranged between filter plate (2) and upper end blind plate (5), outlet is located at smart filtering area (11)
Cylinder (1) inner wall on and towards refined filtration net (4) be arranged.
6. a kind of self-cleaning filter according to claim 1, it is characterised in that: the water inlet pipe (8) and outlet pipe (9)
On be mounted on differential pressure indicator interface (22), be additionally provided with pressure reducing valve (23) on the water inlet pipe (8).
7. a kind of self-cleaning filter according to claim 1, it is characterised in that: the rotation axis of the driving motor (7)
It is connected with train of reduction gears (24), the driving motor (7) drives drive rod (6) to delay in the housing by train of reduction gears (24)
Slow uniform rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811246470.0A CN109550294A (en) | 2018-10-23 | 2018-10-23 | A kind of self-cleaning filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811246470.0A CN109550294A (en) | 2018-10-23 | 2018-10-23 | A kind of self-cleaning filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109550294A true CN109550294A (en) | 2019-04-02 |
Family
ID=65865148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811246470.0A Pending CN109550294A (en) | 2018-10-23 | 2018-10-23 | A kind of self-cleaning filter |
Country Status (1)
| Country | Link |
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| CN (1) | CN109550294A (en) |
Cited By (1)
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| CN111001205A (en) * | 2019-12-13 | 2020-04-14 | 中冶天工集团有限公司 | Sewage collection and treatment impurity self-cleaning device and using method thereof |
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|---|---|---|---|---|
| CN111001205A (en) * | 2019-12-13 | 2020-04-14 | 中冶天工集团有限公司 | Sewage collection and treatment impurity self-cleaning device and using method thereof |
| CN111001205B (en) * | 2019-12-13 | 2024-03-26 | 中冶天工集团有限公司 | Sewage collection and treatment impurity self-cleaning device and use method |
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Application publication date: 20190402 |