CN101607155B - Self-cleaning filter - Google Patents
Self-cleaning filter Download PDFInfo
- Publication number
- CN101607155B CN101607155B CN2008101152364A CN200810115236A CN101607155B CN 101607155 B CN101607155 B CN 101607155B CN 2008101152364 A CN2008101152364 A CN 2008101152364A CN 200810115236 A CN200810115236 A CN 200810115236A CN 101607155 B CN101607155 B CN 101607155B
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- China
- Prior art keywords
- barrel body
- shell
- filter
- filtration barrel
- spiral cloth
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- 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.)
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- 238000004140 cleaning Methods 0.000 title claims abstract description 38
- 238000001914 filtration Methods 0.000 claims abstract description 60
- 239000004744 fabric Substances 0.000 claims description 24
- 238000010992 reflux Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The invention relates to a self-cleaning filter. The filter comprises an outer shell (1) and a filtration cylinder (2) positioned inside the outer shell, wherein each of the outer shell (1) and the filtration cylinder (2) comprises a bottom and an end cover; the upper end of the outer shell (1) is provided with an inlet port (8); the filtration cylinder (2) is communicated with an outlet pipe (10); and the outlet pipe (10) passes through the outer shell (1). The self-cleaning filter is characterized in that a spiral distributing chute (7) is arranged between the outer shell (1) and the filtration cylinder (2); moreover, the spiral distributing chute (7) is fixed on the outer shell (1) and keeps a certain clearance with the filtration cylinder (2); the bottom of the outer shell (1) is also provided with a reflow port (5); the reflow port (5) is communicated with the spiral distributing chute (7); and the inlet port (8) is positioned at the beginning end of the spiral distributing chute (7), while the reflow port (5) is positioned at the tail end of the spiral distributing chute (7).
Description
Technical field
The present invention relates to a kind of self-cleaning filter, particularly relate to the self-cleaning filter that is used for filtering oily sewage more than the micron order.
Background technology
Present industrial many self-cleaning filters of having developed, for example Chinese invention patent ZL200320113074.3 discloses a kind of ultrasonic wave self-cleaning filter, and the self-cleaning process of this filter is to be finished by the ultrasonic transducer in the filter core.When filter core stops up when making the filter inlet oil pressure be increased to the value that pressure switch sets, the oil-feed closed electromagnetic valve, start ultrasonic transducer and delaying time a period of time automatically, after utilizing the ultrasonic wave principle to wash away the filter core that stops up totally, automatically close ultrasonic transducer afterwards, open two blowdown magnetic valves, with closing two blowdown magnetic valves behind the soiling solution discharge filter, open the oil-feed magnetic valve, thereby make filter recover filter capacity.
Application number is that 89216934.6 patent application also discloses a kind of self-cleaning filter, and its water after employing filter carries out backwash.The action of backwash is controlled with the water before the filter in the filter and the pressure reduction of filter back water by control device.The filter filtering function interrupts during self-cleaning.
In addition, Chinese invention patent ZL99203033.1 discloses a kind of self-cleaning filter, and it adopts simple cleaning brush and cleaning brush driving mechanism to form the Fouling Cleaning device, is provided with sewage draining exit in the cleaning brush bottom, stops during blowdown filtering.
The key of micron filter technology is the stability of filtering traffic, promptly makes filtration flux remain on initial high value substantially as far as possible and does not shut down cleaning, thereby the actual treatment amount of filter is improved.Known self-cleaning filter filtering traffic is also unstable, needs simultaneously to shut down, though also can bring into play its effect when satisfying general filtering accuracy, has run into difficulty when being used for the filtration of oil-polluted water more than relating to micron order.Therefore, the key problem in technology of micron filter device is to improve the online self-cleaning self refresh function of not shutting down of filter.Present existing technology can't resolve problem far away for micron filter, especially for oil-polluted water and the high sewage disposal aspect of suspension content.
Summary of the invention
The object of the present invention is to provide a kind of self-cleaning filter device, particularly relate to the filter of the above self-cleaning of micron order, this filter collection filters and online self-cleaning self refresh is an one, can be widely used in the demand of each filtering technique.
For reaching this purpose, the invention provides a kind of self-cleaning filter, comprise: shell and the filtration barrel body that is positioned at this shell, shell and filtration barrel body respectively comprise bottom and end cap, the upper end of described shell is provided with the influent stream mouth, described filtration barrel body communicates with an outflow tube, this outflow tube passes described shell, it is characterized in that: spiral cloth chute is set between described shell and filtration barrel body, this spiral cloth chute is fixed on the shell and with filtration barrel body and keeps certain clearance, bottom at described shell also is provided with refluxing opening, this refluxing opening is communicated with described spiral cloth chute, described influent stream mouth is positioned at the top of spiral cloth chute, and refluxing opening is positioned at the end of spiral cloth chute.
Because the spiral waterpower runner of the inwall of outer cylinder body forms centrifugal force, make particle and moisture from, be difficult for linked network; Cross-flow relative and filtering surface designs, and net wall flow velocity is accelerated, and the net wall is formed the effect of sluicing.The bottom technique of backflow makes to filter with cleaning and carries out simultaneously, has realized not shutting down on-line continuous and has filtered, and has improved the stability of equipment working flow
According to a further general feature of the present invention, described shell is an arranged concentric with the filtration barrel body that is positioned at this shell, and described filtration barrel body is fixed.
According to an example of the present invention, described shell and the filtration barrel body that is positioned at this shell are arranged concentric, but and filtration barrel body rotate around an opposite shell.When the cartridge filter body rotates, form centrifugal force, particle is difficult to wall built-up and is got rid of from the net wall by centrifugal force.Centrifugal turning effort also makes net wall scale formation weaken.
In addition, on described axle, also be provided with supersonic oscillator.Filter of the present invention also has backwashing function and scrubs function, can further filtration barrel body be cleaned up when needing.
Description of drawings
Fig. 1 is the vertical cross section according to self-cleaning filter of the present invention;
Fig. 2 is the vertical view according to self-cleaning filter of the present invention, and wherein part is broken away;
Fig. 3 shows a plurality of filters of the present invention schematic diagram that uses in parallel.
The specific embodiment
Show an embodiment of self-cleaning filter of the present invention as Fig. 1, mainly comprise: shell 1 and be positioned at the filtration barrel body 2 of this shell, bottom this shell 1 and filtration barrel body 2 comprise respectively and end cap.Wherein the end cap of filtration barrel body 2 is represented with numeral 11.The upper end of shell 1 is provided with influent stream mouth 8, and filtration barrel body 2 circulates mutually with an outflow tube 10, and this outflow tube 10 passes described shell 1.Spiral cloth chute 7 is set between described shell 1 and filtration barrel body 2, and this spiral cloth chute 7 is fixed on the shell 1 and keeps certain clearance with filtration barrel body 2, the pending fluid that enters shell 1 from influent stream mouth 8 along spiral cloth chute 7 to dirty.The major part of this fluid along the 7 defluent whiles of spiral cloth chute laterally by filtration barrel body 2 on uniform aperture flow into wherein.Described filtration barrel body 2 can be made by the stainless steel orifice plate, filtering accuracy 〉=0.5 μ m.Bottom at described shell 1 also is provided with refluxing opening 5, and this refluxing opening 5 is communicated with described spiral cloth chute 7.So a part of fluid flows out from refluxing opening 5 at last together with dirt.Refluxing opening 5 is under normal circumstances not exclusively opened, standard-sized sheet when backwash only, and this moment, the influent stream mouth 8 was closed.
As shown in the figure, influent stream mouth 8 is positioned at the top of spiral cloth chute 7, and refluxing opening 5 is positioned at the end of spiral cloth chute 7.According to different fluid properties (as different sewage qualities), adjust the structural parameters (as pitch) and the material of this spiral cloth chute 7.
In addition, shell 1 is arranged concentric with the filtration barrel body 2 that is positioned at this shell.Filtration barrel body 2 can be (for example being fixed in the shell 1) of fixing generally speaking, so also can reach effect preferably.
According to example of the present invention, filtration barrel body 2 can pass through a drive unit, as is positioned at the variable-frequency motor 6 of lower end, but rotates around an opposite shell 1.Because filtration barrel body 2 is with certain design revolution rotation, particle is difficult to wall built-up and is got rid of from the net wall by centrifugal force.Centrifugal turning effort also makes net wall scale formation weaken.
Please continue with reference to figure 1, outflow tube 10 constitutes part or all of described axle.In the present embodiment, this outflow tube 10 passes the end cap 11 of shell 1 and filtration barrel body 2 in the above, and the inner peripheral portion that is positioned at filtration barrel body 2 has the liquid-collecting hole 9 of perforation, thus with outflow tube 10 internal communication.This liquid-collecting hole 9 is positioned at the upper end of outflow tube 10.Not hard to imagine, outflow tube 10 also can be located at the lower end of filter, and this moment, 6 of variable-frequency motors were positioned at the upper end.When described axle whole were made of outflow tube 10, two ends or arbitrary end of described axle all can be opened liquid-collecting hole 9.These variations should be within spiritual scope of the present invention.
For strengthening cleaning performance, in filtration barrel body 2, also establish supersonic oscillator 3, this supersonic oscillator is contained on the described axle.Utilize the ultrasonic wave principle, high-frequency electrical energy is converted into mechanical energy to be produced the minimum high-frequency vibration of amplitude and propagates in the filter in the liquid, the inside of liquid will constantly produce a large amount of small bubble and moments and break, each collapse of bubbles can produce the high temperature and high pressure shock wave of hundreds of degree, thereby further filtration barrel body is washed away totally.
Further, also be provided with some brush bars 15 between described spiral cloth chute 7 and filtration barrel body 2, brush bar 15 is contained on the spiral cloth chute 7 and with filtration barrel body 2 and contacts, and sees also Fig. 2.The brush bar can clean out the big block that sticks on the rotating filter cylindrical shell, makes suspension be difficult for piling up on the net.For realizing even cleaning, described some brush bars 15 are uniform along the height of described spiral cloth chute 7.The brush bar can adopt different materials according to the water quality situation.From structure of the present invention as can be seen, described self-cleaning filter also has the backwash function, supply and demand will the time use.
From as can be seen last, self-cleaning filter of the present invention has backwash, centrifugation, swirl washing, ultrasonic wave cleaning, cleaning, mechanical cleaning technique feature, particularly swirl washing and backflow cleaning technique feature reflux.Self-evident, these technical characterictics can be used alone or in combination, but all within protection domain of the present invention.Self-cleaning filter of the present invention also can in parallelly use (see figure 3), can realize effective online self-cleaning self refresh, is widely used in the filtration of any filtering technique demand, especially oil-polluted water more than 0.5 micron.
Claims (10)
1. self-cleaning filter, comprise: shell (1) and be positioned at the filtration barrel body (2) of this shell, shell (1) and filtration barrel body (2) respectively comprise bottom and end cap, the upper end of described shell (1) is provided with influent stream mouth (8), described filtration barrel body (2) communicates with an outflow tube (10), this outflow tube (10) passes described shell (1), it is characterized in that: between described shell (1) and filtration barrel body (2), spiral cloth chute (7) is set, this spiral cloth chute (7) is fixed on shell (1) and upward and with filtration barrel body (2) keeps certain clearance, also be provided with refluxing opening (5) in the bottom of described shell (1), this refluxing opening (5) is communicated with described spiral cloth chute (7), described influent stream mouth (8) is positioned at the top of spiral cloth chute (7), and refluxing opening (5) is positioned at the end of spiral cloth chute (7).
2. filter as claimed in claim 1 is characterized in that: described shell (1) and the filtration barrel body (2) that is positioned at this shell are arranged concentric, and described filtration barrel body (2) is fixed.
3. filter as claimed in claim 1 is characterized in that: described shell (1) and the filtration barrel body (2) that is positioned at this shell are arranged concentric, and filtration barrel body (2) but rotate around an opposite shell (1).
4. filter as claimed in claim 3 is characterized in that: at least a portion of described axle is made up of described outflow tube (10).
5. as claim 1 or 3 described filters, it is characterized in that: described outflow tube (10) passes the end cap of shell (1) and filtration barrel body (2), and the inner peripheral portion that is positioned at filtration barrel body (2) has the liquid-collecting hole (9) and outflow tube (10) internal communication of perforation.
6. filter as claimed in claim 5 is characterized in that: described liquid-collecting hole (9) is positioned at the upper end of outflow tube (10).
7. filter as claimed in claim 3 is characterized in that: also be provided with ultrasonic oscillator on described axle.
8. filter as claimed in claim 7 is characterized in that: described ultrasonic oscillator is positioned at filtration barrel body (2).
9. filter as claimed in claim 1 is characterized in that: also be provided with some brush bars (15) between described spiral cloth chute (7) and filtration barrel body (2), brush bar (15) is contained in spiral cloth chute (7) and goes up and contact with filtration barrel body (2).
10. filter as claimed in claim 9 is characterized in that: described some brush bars (15) are uniform along the height of described spiral cloth chute (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101152364A CN101607155B (en) | 2008-06-19 | 2008-06-19 | Self-cleaning filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101152364A CN101607155B (en) | 2008-06-19 | 2008-06-19 | Self-cleaning filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101607155A CN101607155A (en) | 2009-12-23 |
| CN101607155B true CN101607155B (en) | 2011-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101152364A Expired - Fee Related CN101607155B (en) | 2008-06-19 | 2008-06-19 | Self-cleaning filter |
Country Status (1)
| Country | Link |
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| CN (1) | CN101607155B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133491B (en) * | 2010-08-31 | 2013-07-31 | 肖郁春 | Carbide slag slurry filtering process and self-cleaning filter |
| CN102454664A (en) * | 2010-10-21 | 2012-05-16 | 杨洁 | Automatic cleaning device of oil filter for hydraulic system |
| CN102430339B (en) * | 2012-01-04 | 2013-09-11 | 北京怡百信环境工程有限公司 | Self-cleaning filtering membrane device |
| CN104759123B (en) * | 2014-01-06 | 2016-08-17 | 青岛瀚通水处理科技有限公司 | A kind of semi-automatic cleaning water purifier |
| CN104026064B (en) * | 2014-06-03 | 2016-08-17 | 杨鹏翔 | Fish tank water dirt fine filter and multiple stage filtration system thereof |
| CN107032444A (en) * | 2016-02-04 | 2017-08-11 | 清华大学煤燃烧工程研究中心 | Ultrasonic wave Heisui River filter for air flow bed |
| CN105833586A (en) * | 2016-05-06 | 2016-08-10 | 新疆惠利灌溉科技股份有限公司 | Suspension type filter |
| CN107051005A (en) * | 2017-01-13 | 2017-08-18 | 天津市中盛成泽科技有限公司 | Water purifier cleaning equipment |
| CN107694186B (en) * | 2017-09-22 | 2023-08-11 | 海宁市钰泉环保科技有限公司 | Pre-filter |
| CN108771893A (en) * | 2018-05-25 | 2018-11-09 | 张琛 | A kind of sewage disposal washes filter device with ultrasonic counter-flushing |
| CN108821463B (en) * | 2018-07-26 | 2023-09-12 | 珠海格力电器股份有限公司 | Mounting structure of water route board and filter core and water purifier |
| CN112691423A (en) * | 2019-10-23 | 2021-04-23 | 揭阳市蓝润科技有限公司 | Improved backwashing filter and cleaning method |
| CN112691415A (en) * | 2019-10-23 | 2021-04-23 | 揭阳市蓝润科技有限公司 | Backwashing filter and cleaning method |
| CN111689599A (en) * | 2019-12-13 | 2020-09-22 | 青岛百利达环保科技有限公司 | Pretreatment process for removing oil from acidic water |
| CN114797230A (en) * | 2022-05-20 | 2022-07-29 | 青岛高测科技股份有限公司 | Automatic cleaning method for cutting fluid circulating system of wire cutting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066347U (en) * | 1990-04-10 | 1990-11-28 | 华煤水煤浆技术联合中心 | On-line water-coal-slurry filter |
| US5207930A (en) * | 1991-07-30 | 1993-05-04 | Crane Company | Filtration system with helical filter cartridge |
| CN2171400Y (en) * | 1993-07-09 | 1994-07-13 | 金兴燮 | Water treatment apparatus for household |
| CN2764461Y (en) * | 2005-03-08 | 2006-03-15 | 齐向春 | Automatic cleaning bag filter |
| CN201098579Y (en) * | 2007-09-24 | 2008-08-13 | 北京中天油石油天然气科技有限公司 | Self-cleaning filter |
-
2008
- 2008-06-19 CN CN2008101152364A patent/CN101607155B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066347U (en) * | 1990-04-10 | 1990-11-28 | 华煤水煤浆技术联合中心 | On-line water-coal-slurry filter |
| US5207930A (en) * | 1991-07-30 | 1993-05-04 | Crane Company | Filtration system with helical filter cartridge |
| CN2171400Y (en) * | 1993-07-09 | 1994-07-13 | 金兴燮 | Water treatment apparatus for household |
| CN2764461Y (en) * | 2005-03-08 | 2006-03-15 | 齐向春 | Automatic cleaning bag filter |
| CN201098579Y (en) * | 2007-09-24 | 2008-08-13 | 北京中天油石油天然气科技有限公司 | Self-cleaning filter |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2004-141785A 2004.05.20 |
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| Publication number | Publication date |
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| CN101607155A (en) | 2009-12-23 |
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Denomination of invention: Self-cleaning filter Effective date of registration: 20110627 Granted publication date: 20110525 Pledgee: Beijing's first investment Company Limited by Guarantee Pledgor: Sino-Gas & Oil Technology Co., Ltd. Registration number: 2011990000242 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20210619 |
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| CF01 | Termination of patent right due to non-payment of annual fee |