CN107673419A - High-speed jet self-cleaning filter device - Google Patents
High-speed jet self-cleaning filter device Download PDFInfo
- Publication number
- CN107673419A CN107673419A CN201710994953.8A CN201710994953A CN107673419A CN 107673419 A CN107673419 A CN 107673419A CN 201710994953 A CN201710994953 A CN 201710994953A CN 107673419 A CN107673419 A CN 107673419A
- Authority
- CN
- China
- Prior art keywords
- housing
- barrel body
- filtration barrel
- adapter
- adjusting rod
- 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 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000010865 sewage Substances 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims abstract description 8
- 239000010949 copper Substances 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims description 56
- 238000003825 pressing Methods 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 240000007320 Pinus strobus Species 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- B01D29/58—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 arranged concentrically or coaxially
-
- 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
- B01D29/6438—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to a kind of high-speed jet self-cleaning filter device, including housing, inlet adapter, sewage draining exit adapter and jet flow cleaning water inlet pipe, the housing is horizontally disposed, jet flow cleaning water inlet pipe is provided with the downside of the housing left end, sewage draining exit adapter is provided with the downside of right-hand member, the inlet adapter is arranged on the side of sewage draining exit adapter, and is communicated with sewage draining exit adapter；The left end of the housing is welded with ejector, and copper nozzle is located at the inside of housing, is threadedly coupled with ejector.It is an advantage of the invention that：Self-cleaning ability is strong, safe operation, simplicity, and automaticity is higher.
Description
Technical field
The present invention relates to the filter during a kind of rejection of oil flied effluent, specifically a kind of high-speed jet is from clear
Wash filter.
Background technology
For the oil field of waterflooding extraction, for environmental protection and control cost, produced-water reinjection after Produced Liquid separation into
For the important means of oil field development, in order to ensure sewage quality qualification rate, installation filter is ensuring that water on water injecting pipeline
The important method of matter quality.But existing two problems of filter generally existing, adopted first, receive dirt when reaching a certain amount of, during cleaning
With stopping noting, using borehole pressure back flush, due to relatively low in cartridge surface flow rate of liquid, so filtration core can not be cleaned thoroughly
Foul in surface and filter.Two be due to reach higher filter effect, and filtration core specification is micron order, filter core
Mechanical admixture and dirty matter are easily retained on filtration channel, reduces flow channels area, in the delay foul plus cartridge surface, meeting
Cause filter core inside and outside differential pressure excessive, the phenomenon to build the pressure occur, although the filter used at present possesses by being arranged on filter
Rotary handle outside housing makes filtration core do relative motion and has reached the purpose of snaking, but also needs to the cooperation of manpower, does not reach
Automatic scale-cleaning under to unmanned state is horizontal.
The content of the invention
The defects of to overcome prior art, the present invention provide a kind of high-speed jet self-cleaning filter device.The skill of the present invention
Art scheme is：
High-speed jet self-cleaning filter device, including the adapter of housing, inlet, sewage draining exit adapter and jet flow cleaning water inlet pipe, institute
It is horizontally disposed to state housing, is provided with jet flow cleaning water inlet pipe on the downside of the housing left end, the row of being provided with the downside of right-hand member
Dirty mouth adapter, the inlet adapter is arranged on the side of sewage draining exit adapter, and is communicated with sewage draining exit adapter；A left side for the housing
End is welded with ejector, and copper nozzle is located at the inside of housing, is threadedly coupled with ejector, the copper nozzle and described jet
Clean water inlet pipe connection；Be provided with sampler interface liquid outlet adapter be welded on ejector, and with positioned at enclosure interior
Cartridge filter is communicated, and described cartridge filter is coaxially disposed with housing, and passage is formed between housing；In the right-hand member spiral shell of the housing
Line is connected with outer barrel hold-down head, and adjustment screw is located at the inside of outer barrel hold-down head, is threadedly coupled with outer barrel hold-down head；The filtering
The right-hand member of cylinder is provided with inner cylinder adjuster, and outer barrel dispensing head is also equipped between inner cylinder adjuster and housing, inner cylinder regulation
The right-hand member of device is fixed by being arranged on detent mechanism at adjustment screw.
Described cartridge filter include sequentially coaxially set from outside to inside the first outer filtration barrel body, the second outer filtration barrel body,
3rd outer filtration barrel body and interior filtration barrel body, the described first outer filtration barrel body, the second outer filtration barrel body and the 3rd outer cartridge filter
After body is fixedly installed togather, upper end is installed on described ejector, and lower end is installed on outer barrel dispensing head, described interior mistake
Filter cylinder body is slidably matched by inner cylinder adjuster and the 3rd outer filtration barrel body, in the first outer filtration barrel body, the second outer cartridge filter
It is covered with fluid hole on body, the 3rd outer filtration barrel body and interior filtration barrel body.
Described inner cylinder adjuster includes being arranged on the gusset piece of interior filtration barrel body right-hand member, and the gusset piece is by along interior filtering
The screw that cylinder is radially arranged is fixed on interior filtration barrel body, and the screw is fastened by the first shop bolt；In the gusset piece
On piston is installed, left pressing plate is provided with by the second shop bolt on described piston, right pressing plate is arranged on adjusting rod,
The adjusting rod is arranged on adjustment screw, and left pressing plate be arranged in parallel with right pressing plate, is provided between left pressing plate and right pressing plate
The left end of spring, gusset piece and adjusting rod is dynamic to be coordinated, and the right-hand member of the adjusting rod is provided with described detent mechanism.
Described detent mechanism includes hexagon slotted nut and split pin, the right-hand member of adjusting rod sequentially pass through adjustment screw and
After hexagon slotted nut, split pin is installed, sealing gasket is installed between described hexagon slotted nut and adjustment screw.
Described outer barrel hold-down head is arranged on housing by straight pin.
Between described ejector and liquid outlet adapter, between outer barrel dispensing head and adjusting rod, between adjusting rod and housing
And sealing ring is mounted between piston and adjusting rod.
It is an advantage of the invention that：When by the water of jet flow cleaning water inlet pipe by jet caused by high-speed jet nozzle,
The foul remained between housing and cartridge filter surface is impacted, is allowed to thoroughly discharge outside filter；Second, work as cartridge filter excessively stream
Passage is influenceed by mechanical admixture and dirty matter, when flow channels area reduces, the pressure difference increase inside and outside filter core, when pressure difference increases to 2-
When 3MPa influences filter normal work, the area of the flow channels of filtration barrel body in the recovery of inner cylinder adjuster.Self-cleaning
Ability is strong, safe operation, simplicity, and automaticity is higher.
Brief description of the drawings
Fig. 1 is the agent structure schematic diagram of the present invention.
Fig. 2 is normal work schematic diagram of the present invention.
Fig. 3 is that schematic diagram is rinsed in backward jet of the present invention.
Embodiment
The invention will now be further described with reference to specific embodiments, advantages of the present invention and feature will be with description and
It is apparent.But these embodiments are only exemplary, do not form any restrictions to the scope of the present invention.People in the art
Member to the details and form of technical solution of the present invention it should be understood that can enter without departing from the spirit and scope of the invention
Row modifications or substitutions, but these modifications and replacement are each fallen within protection scope of the present invention.
Referring to Fig. 1 to Fig. 3, the present invention relates to a kind of high-speed jet self-cleaning filter device, including housing 3, inlet to connect
Pipe 1, sewage draining exit adapter 2 and jet flow cleaning water inlet pipe 25, the housing 3 are horizontally disposed（In order to illustrate conveniently, in Fig. 1
It is middle that high-speed jet self-cleaning filter device has turned clockwise 90 degree, the speed of the high speed of the high-speed jet self-cleaning filter device
Spend for 40-80 meter per seconds）, jet flow cleaning water inlet pipe 25 is provided with the downside of the left end of housing 3, and blowdown is provided with the downside of right-hand member
Mouth adapter 2, the inlet adapter 1 is arranged on the side of sewage draining exit adapter 2, and is communicated with sewage draining exit adapter 2；The housing 3
Left end be welded with ejector 22, copper nozzle 21 is located at the inside of housing 3, is threadedly coupled with ejector 22, the copper nozzle
21 connect with described jet flow cleaning water inlet pipe 25；The liquid outlet adapter 24 for being provided with sampler interface 23 is welded on ejector 22
On, and communicated with the cartridge filter inside housing 3, described cartridge filter is coaxially disposed with housing 3, and the shape between housing 3
Into passage；Outer barrel hold-down head 5 is threaded with the right-hand member of the housing 3, adjustment screw 15 is located at the interior of outer barrel hold-down head 5
Portion, it is threadedly coupled with outer barrel hold-down head 5；The right-hand member of the cartridge filter is provided with inner cylinder adjuster, in inner cylinder adjuster and housing 3
Between be also equipped with outer barrel dispensing head 4, the right-hand member of the inner cylinder adjuster is carried out by being arranged on detent mechanism at adjustment screw 15
It is fixed.
Described cartridge filter includes the first outer filtration barrel body 26, the second outer filtration barrel body sequentially coaxially set from outside to inside
27th, the 3rd outer filtration barrel body 28 and interior filtration barrel body 20, the described first outer filtration barrel body 26, the second outer filtration barrel body 27 and
After three outer filtration barrel bodies 28 are fixedly installed togather, upper end is installed on described ejector 22, and lower end is installed on outer barrel distribution
On first 4, described interior filtration barrel body 20 is slidably matched by inner cylinder adjuster and the 3rd outer filtration barrel body 28, in the first outer mistake
It is covered with fluid hole on filter cylinder body, the second outer filtration barrel body, the 3rd outer filtration barrel body and interior filtration barrel body.
Described inner cylinder adjuster includes being arranged on the gusset piece 7 of the interior right-hand member of filtration barrel body 20, and the gusset piece 7 is by along interior
The screw 8 that filtration barrel body 20 is radially arranged is fixed on interior filtration barrel body 20, and the screw 8 is tight by the first shop bolt 19
Gu；Piston 13 is installed on the gusset piece 7, left pressing plate 10 is provided with by the second shop bolt 9 on described piston 13,
Right pressing plate 12 is arranged on adjusting rod 14, and the adjusting rod 14 is arranged on adjustment screw 15, and left pressing plate 10 and right pressing plate 12 are flat
Row is set, and spring 11 is provided between left pressing plate 10 and right pressing plate 12, the dynamic cooperation of left end of gusset piece 7 and adjusting rod 14 should
The right-hand member of adjusting rod is provided with described detent mechanism.
Described detent mechanism includes hexagon slotted nut 17 and split pin 18, and the right-hand member of adjusting rod 14 sequentially passes through adjustment
After screw 15 and hexagon slotted nut 17, split pin 18 is installed, described hexagon slotted nut 17 with adjustment screw 15 it
Between sealing gasket 16 is installed.
Described outer barrel hold-down head 5 is arranged on housing 3 by straight pin 6.
First sealing ring 29, outer barrel dispensing head 4 and regulation are installed between described ejector 22 and liquid outlet adapter 24
Second sealing ring 31 is installed between bar 14, the 3rd sealing ring 32, piston 13 and regulation are installed between adjusting rod 14 and housing 3
4th sealing ring 30 is installed between bar 14.
Referring to Fig. 1 and Fig. 2, A mouths of the invention, B mouths are connected by gate with waterflood-transmission line, C mouths connection Pollution discharge sluise gate, D
Mouth connection underground water-injection pipeline.B port strobes and C port strobes are closed during normal work, water flow through A mouths into inlet adapter 1 and
In sewage draining exit adapter 2, then into the passage between housing 3 and cartridge filter, and pass through the first outer filtration barrel body 26, second
The annular excessively stream clearance channel of multigroup eyelet of outer 27 and the 3rd outer filtration barrel body of filtration barrel body, by more on interior filtration barrel body
The circular fluid hole of group, is entered in interior filtration barrel body, and enters underground water-injection pipeline through D mouths, is crossed and is circulated when micron-sized annular
When road is influenceed to cause the reduction of flow channels area by mechanical admixture and dirty matter, flow resistance increase, the interior of interior filtration barrel body is caused
External differential increases, and when pressure difference increases to 2-3MPa, gusset piece band piston moves to the left, and cartridge filter displacement 10 in promotion
Millimeter, dirty matter etc. is disposed, while right pressing plate is fixed on adjusting rod, does not produce displacement, when left pressing plate moves with piston
When dynamic, spring is stretched, and after area of passage recovers, the inside and outside differential pressure of interior filtration barrel body declines, multiple under spring force effect
Position, complete an automatic scale-cleaning process.
Referring to Fig. 3, when a large amount of fouls that the passage of housing and cartridge filter is filtered out block, it is necessary to carry out high rapid fire
Stream cleaning, cleaning process is as follows, is first turned on B port strobes, then closes A port strobes, while opens C port strobes, water injection pipe
The high pressure water of line is taken over through B mouths into jet wash water inlet, and produces high-speed water jet through copper nozzle, and water jet is to shell
Foul high speed impact in passage between body and cartridge filter, and foul is taken over into discharge filter by sewage draining exit, clean
Cheng Hou, C port strobes are first shut off, then open A port strobes, finally close B port strobes, and complete Integral cleaning process.
Claims (6)
1. high-speed jet self-cleaning filter device, it is characterised in that including housing, inlet adapter, sewage draining exit adapter and jet
Water inlet pipe is cleaned, the housing is horizontally disposed, and jet flow cleaning water inlet pipe is provided with the downside of the housing left end, right-hand member
Downside is provided with sewage draining exit adapter, and the inlet adapter is arranged on the side of sewage draining exit adapter, and is communicated with sewage draining exit adapter；
The left end of the housing is welded with ejector, and copper nozzle is located at the inside of housing, is threadedly coupled with ejector, the copper nozzle
Connected with described jet flow cleaning water inlet pipe；Be provided with sampler interface liquid outlet adapter be welded on ejector, and with position
Communicated in the cartridge filter of enclosure interior, described cartridge filter is coaxially disposed with housing, and passage is formed between housing；Described
The right-hand member of housing is threaded with outer barrel hold-down head, and adjustment screw is located at the inside of outer barrel hold-down head, and head thread is compressed with outer barrel
Connection；The right-hand member of the cartridge filter is provided with inner cylinder adjuster, and outer barrel distribution is also equipped between inner cylinder adjuster and housing
Head, the right-hand member of the inner cylinder adjuster are fixed by being arranged on detent mechanism at adjustment screw.
2. high-speed jet self-cleaning filter device according to claim 1, it is characterised in that described cartridge filter include from
Outer the first outer filtration barrel body, the second outer filtration barrel body, the 3rd outer filtration barrel body and the interior filtration barrel body sequentially coaxially set in,
After described the first outer filtration barrel body, the second outer filtration barrel body and the 3rd outer filtration barrel body is fixedly installed togather, upper end clamps
On described ejector, lower end is installed on outer barrel dispensing head, and described interior filtration barrel body passes through inner cylinder adjuster and the 3rd
Outer filtration barrel body is slidably matched, in the first outer filtration barrel body, the second outer filtration barrel body, the 3rd outer filtration barrel body and interior cartridge filter
It is covered with fluid hole on body.
3. high-speed jet self-cleaning filter device according to claim 2, it is characterised in that described inner cylinder adjuster bag
The gusset piece for being arranged on interior filtration barrel body right-hand member is included, the gusset piece is fixed on interior by the screw being radially arranged along interior filtration barrel body
On filtration barrel body, the screw is fastened by the first shop bolt；Piston is installed on the gusset piece, on described piston
Left pressing plate is provided with by the second shop bolt, right pressing plate is arranged on adjusting rod, and the adjusting rod is arranged on adjustment screw,
Left pressing plate be arranged in parallel with right pressing plate, is provided with spring between left pressing plate and right pressing plate, and the left end of gusset piece and adjusting rod moves
Coordinate, the right-hand member of the adjusting rod is provided with described detent mechanism.
4. the high-speed jet self-cleaning filter device according to claim 1 or 3, it is characterised in that described detent mechanism
Including hexagon slotted nut and split pin, after the right-hand member of adjusting rod sequentially passes through adjustment screw and hexagon slotted nut, it is provided with
Split pin, sealing gasket is installed between described hexagon slotted nut and adjustment screw.
5. high-speed jet self-cleaning filter device according to claim 4, it is characterised in that described outer barrel hold-down head leads to
Straight pin is crossed on housing.
6. high-speed jet self-cleaning filter device according to claim 4, it is characterised in that described ejector is with going out liquid
It is respectively mounted between mouthful adapter, between outer barrel dispensing head and adjusting rod, between adjusting rod and housing and between piston and adjusting rod
There is sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710994953.8A CN107673419A (en) | 2017-10-23 | 2017-10-23 | High-speed jet self-cleaning filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710994953.8A CN107673419A (en) | 2017-10-23 | 2017-10-23 | High-speed jet self-cleaning filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107673419A true CN107673419A (en) | 2018-02-09 |
Family
ID=61141753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710994953.8A Pending CN107673419A (en) | 2017-10-23 | 2017-10-23 | High-speed jet self-cleaning filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107673419A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180238A (en) * | 2019-07-01 | 2019-08-30 | 重庆飞扬测控技术研究院有限公司 | A kind of backwashing water mass filter |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2429239Y (en) * | 2000-06-23 | 2001-05-09 | 营口流体设备制造(集团)有限公司 | Horizontal hydraulic self-cleaned filter |
| AU2005100784A4 (en) * | 2005-07-27 | 2005-10-20 | Yu, Jian | A filtering reactor |
| CN1928318A (en) * | 2006-09-28 | 2007-03-14 | 大庆油田有限责任公司 | Stainless steel seepage scale removal blowdown backwash fine filter for flooding well |
| WO2013025128A1 (en) * | 2011-08-15 | 2013-02-21 | Mel Nikov Pavel Eduardovich | Rinsing filter and filter element for same |
| CN103386225A (en) * | 2012-05-09 | 2013-11-13 | 成都酷玩网络科技有限公司 | Scraping type self-cleaning filter |
| CN103933768A (en) * | 2013-01-22 | 2014-07-23 | 徐根富 | Self-cleaning filter |
| CN103977620A (en) * | 2014-03-12 | 2014-08-13 | 大庆市慧灵石油科技有限公司 | Gap-adjustable pollution-discharging backwashing filter |
| CN207391037U (en) * | 2017-10-23 | 2018-05-22 | 康庆刚 | High-speed jet self-cleaning filter device |
-
2017
- 2017-10-23 CN CN201710994953.8A patent/CN107673419A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2429239Y (en) * | 2000-06-23 | 2001-05-09 | 营口流体设备制造(集团)有限公司 | Horizontal hydraulic self-cleaned filter |
| AU2005100784A4 (en) * | 2005-07-27 | 2005-10-20 | Yu, Jian | A filtering reactor |
| CN1928318A (en) * | 2006-09-28 | 2007-03-14 | 大庆油田有限责任公司 | Stainless steel seepage scale removal blowdown backwash fine filter for flooding well |
| WO2013025128A1 (en) * | 2011-08-15 | 2013-02-21 | Mel Nikov Pavel Eduardovich | Rinsing filter and filter element for same |
| CN103386225A (en) * | 2012-05-09 | 2013-11-13 | 成都酷玩网络科技有限公司 | Scraping type self-cleaning filter |
| CN103933768A (en) * | 2013-01-22 | 2014-07-23 | 徐根富 | Self-cleaning filter |
| CN103977620A (en) * | 2014-03-12 | 2014-08-13 | 大庆市慧灵石油科技有限公司 | Gap-adjustable pollution-discharging backwashing filter |
| CN207391037U (en) * | 2017-10-23 | 2018-05-22 | 康庆刚 | High-speed jet self-cleaning filter device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180238A (en) * | 2019-07-01 | 2019-08-30 | 重庆飞扬测控技术研究院有限公司 | A kind of backwashing water mass filter |
| CN110180238B (en) * | 2019-07-01 | 2023-05-05 | 重庆飞扬测控技术研究院有限公司 | Backwash water quality filter |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180209 |
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| RJ01 | Rejection of invention patent application after publication |