CN103721453A - Filter with filtering material capable of being continuously and movably replaced at random - Google Patents
Filter with filtering material capable of being continuously and movably replaced at random Download PDFInfo
- Publication number
- CN103721453A CN103721453A CN201410031502.0A CN201410031502A CN103721453A CN 103721453 A CN103721453 A CN 103721453A CN 201410031502 A CN201410031502 A CN 201410031502A CN 103721453 A CN103721453 A CN 103721453A
- Authority
- CN
- China
- Prior art keywords
- filter
- filtrate
- bed
- taper
- filter bed
- 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.)
- Granted
Links
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a filter with a filtering material capable of being continuously and movably replaced at random. The filter comprises a filter barrel body, a filter cone bottom, a filtering material pressing-in opening and a slag-wrapping filtering material discharging device, wherein the filter barrel body is internally provided with a filtering bed and is provided with a filtrate distributing device; the filter cone bottom is internally provided with one or at least two filtering-bed conical leaking bottoms; a water-permeable gap is arranged between each filtering-bed conical leaking bottom and the filter cone bottom, and water-permeable holes are distributed in the leaking wall of each filtering-bed conical leaking bottom; one side of the lower part of the filter cone bottom is provided with a purified-filtrate outlet; the single filtering-bed conical leaking bottom is internally provided with a conical leaking bottom type spiral propeller, or the bottom parts of the plurality of filtering-bed conical leaking bottoms are internally provided with conical leaking bottom type spiral propellers or propelling devices; a pressing-in device is arranged at the filtering material pressing-in opening. The filter has the advantages that the filtering resistance of the filtering bed can be effectively reduced, the operation is simple, the full automation can be realized, the backwashing of the filtering bed is not needed, and the problems of retreatment and secondary pollution of the backwashing water are solved.
Description
Technical field
The present invention relates to media filtration equipment, refer in particular to a kind of filter of random continuous moving replacing filtrate.
Background technology
Fixed bed filtering equipment is all generally to carry out purification filtering bed by backwash or integral replacing filtrate.Integral replacing filtrate is generally manual operation, and labour intensity is large, and backwash water processing is also pretty troublesome, and equipment requirement is high, undesirable again with simple device treatment effect; So have much, just this backwash water has directly been emitted, what this essence was brought to environment is the liquid phase secondary pollution of equivalent, just the concentration of sewage has been improved; And the bottom drain of fixed bed filtering equipment is generally flat, its water permeable area is less than the cross-sectional area of filter bed, and corresponding filtration resistance is large.
Summary of the invention
The object of the invention is in addition improvement and bring new ideas of the shortcoming existing in background technology and problem, provide a kind of rational in infrastructure, without liquid phase secondary pollution, the random continuous moving that corresponding filtration resistance is little is changed the filter of filtrate.
Technical scheme of the present invention is to comprise filter cylinder, is connected to the filter cone end of filter cylinder bottom, and the filtrate that is arranged on filter cone bottom, the end is pressed into mouth, and be arranged on filter cylinder top wrap up in slag filter material discharger, wherein:
In filter cylinder, it is filter bed, on filter cylinder, be provided with filtrate liquid distributor, filtrate liquid distributor one end is arranged in filter bed and imbeds in the filtrate being full of in filter bed, and the filtrate liquid distributor that is arranged in filter bed is positioned at the filtrate of wrapping up in slag filter material discharger below;
, be provided with one or at least two filter bed taper bottom drains, filter bed taper bottom drain and filter are bored at the end and are provided with permeable gap, and are covered with permeable hole on the leakage wall of filter bed taper bottom drain at described the filter cone end; Filter cone bottom one side is provided with purifying filter liquor outlet, and the filtrate to be filtered that filtrate liquid distributor enters, after the media filtration in filter bed, is discharged by purifying filter liquor outlet by the permeable hole of filter bed taper bottom drain downwards;
In the filter bed taper bottom drain of described single setting, taper leakage-bottom spiral propeller is set, or bottom the filter bed taper bottom drain of described multiple settings, taper leakage-bottom spiral propeller or propulsion plant is set, or described filtrate presses porch that press-in device is set; It is upwards dispersed or through the dispersed filter bed that is full of of filter bed taper bottom drain by taper leakage-bottom spiral propeller or propulsion plant that filtrate is pressed into the filtrate that enters of mouth; Or filtrate is pressed into mouthful press-in device arranging directly through the dispersed filter bed that is upwards full of of filter bed taper bottom drain by filtrate, makes upper strata wrap up in slag filter material and discharge through wrapping up in slag filter material discharger.
Advantage of the present invention and beneficial effect:
Taper bottom drain of the present invention can make water permeable area substantially exceed the cross-sectional area of filter bed, can effectively reduce like this filtration resistance of filter bed.And the present invention is without high pressure or vacuum power consumption, removes numerous and diverse work of a blob of slag and filter wash cloth without gap, simple to operate, without special messenger, follow the tracks of operation, without artificial concentrating, change filtrate, can realize full-automation, the present invention is without backwash filter bed, without processing again and the secondary pollution problem of backwash water.Unit disposal ability can be larger.Under kindred circumstances, filtering accuracy and effect can be done better, and are a kind of filter plants without backwash water secondary pollution, and the desirable pre-processing device of micro-filtration and ultrafiltration, are also the ideal equipment that purifies all filter bed wash waters or backwash water.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The specific embodiment
As shown in Figure 1, the present invention includes filter cylinder 5, be connected to the filter cone end 8 of filter cylinder 5 bottoms, the filtrate that is arranged on filter cone bottom, the ends 8 is pressed into mouthfuls 12, and be arranged on filter cylinder 5 tops wrap up in slag filter material discharger, wherein:
In filter cylinder 5, it is filter bed 6, on filter cylinder 5, be provided with filtrate liquid distributor, filtrate liquid distributor one end is arranged in filter bed 6 and imbeds in the filtrate being full of in filter bed 6, and the filtrate liquid distributor that is arranged in filter bed 6 is positioned at the filtrate of wrapping up in slag filter material discharger below;
, be provided with one or at least two filter bed taper bottom drains 7, filter bed taper bottom drain 7 and filter are bored at the end 8 and are provided with permeable gap, and are covered with permeable hole on the leakage wall of filter bed taper bottom drain 7 at described the filter cone end 8; The filter cone ends 8 bottom one side is provided with purifying filter liquor outlet 9, and the filtrate to be filtered that filtrate liquid distributor enters, after the media filtration in filter bed 6, is discharged by purifying filter liquor outlet 9 by the permeable hole of filter bed taper bottom drain 7 downwards;
The interior taper leakage-bottom spiral propeller 13 that arranges of filter bed taper bottom drain 7 of described single setting, or filter bed taper bottom drain 7 bottoms of described multiple settings arrange taper leakage-bottom spiral propeller 13 or propulsion plant, or described filtrate is pressed into mouthful 12 places press-in device is set; It is upwards dispersed or through the dispersed filter bed 6 that is full of of filter bed taper bottom drain 7 by taper leakage-bottom spiral propeller 13 or propulsion plant that filtrate is pressed into mouthful 12 filtrates that enter; Or filtrate is pressed into mouthful 12 press-in devices that arrange directly through the dispersed filter bed 6 that is upwards full of of filter bed taper bottom drain 7 by filtrate, makes upper strata wrap up in slag filter material and discharge through wrapping up in slag filter material discharger.
The slag filter material discharger of wrapping up in of the present invention comprises the deslagging groove 2 that is arranged on filter cylinder 5 tops, be arranged on the slag-draining device transmission device 16 of deslagging groove 2 tops, with the deslagging doctor blade device that is arranged on slag-draining device transmission device 16 bottoms, wherein the deslagging movable scraper 1 of deslagging doctor blade device stretches out filter cylinder 5 outer radius portion and is located in deslagging groove 2 grooves, the bottom of deslagging groove 2 is provided with slag notch 15, described deslagging movable scraper 1 is under slag-draining device transmission device 16 drives, by pushing the slag filter material of wrapping up in after filtrate liquid distributor coming, scrape to slag notch 15 and discharge.Described filtrate liquid distributor comprises and is arranged on the filtrate inlet port 3 of filter cylinder 5 outsides and is arranged at the filtrate liquid distributor 4 in filter bed 6, wherein on the pipeline of filtrate inlet port 3, electrically operated valve 17 is installed, on filtrate liquid distributor 4, be evenly distributed with filtrate squit hole, and between filtrate liquid distributor 4 from there being filtrate punishment in advance gap.The interior taper leakage-bottom spiral propeller 13 that arranges of filter bed taper bottom drain 7 of described single setting, filtrate be pressed into press-in device that taper leakage-bottom spiral propeller 13 that mouthful 12 filtrates that enter establish in filter bed taper bottom drain 7 or filtrate be pressed into mouthful 12 places upwards dispersed being advanced into be full of filter bed 6, or filtrate continues to advance and makes upper strata wrap up in slag filter material to discharge to wrapping up in slag filter material discharger below.Filter bed taper bottom drain 7 bottoms of described multiple settings arrange taper leakage-bottom spiral propeller 13 or propulsion plant or filtrate and are pressed into mouthful 12 places press-in device is set.Filtrate is pressed into mouthful 12 filtrates that enter, through taper leakage-bottom spiral propeller 13 or propulsion plant or filtrate, be pressed into mouthful 12 place's press-in devices, by filter bed taper bottom drain 7 is dispersed, be upwards full of filter bed 6, or filtrate continues to be pressed into and makes upper strata wrap up in slag filter material to discharge through wrapping up in slag filter material discharger below.Described filtrate is pressed into mouthful 12 belows and propeller transmission device 11 is set connects and drive taper leakage-bottom spiral propeller 13 to work.Described filtrate is pressed into mouthfuls 12 and bores and between the end 8 and filter bed taper bottom drain 7, binder sealing shroud 10 is set and is connected with filter.On described filter cylinder 5, be also provided with upper and lower liquid level sensor 14.Described filter cylinder 5 was fixedly connected with by flange bolt with the filter cone end 8 and filter bed taper bottom drain 7.Described purifying filter liquor exports electrically operated valve 17 is also installed on 9 pipelines.
Design principle of the present invention:
1, automated randomized continuous moving is changed filtrate.Filter residue is discharged at random, without backwash filter bed, without backwash water secondary pollution; Automatically change filtrate, no periodic is changed numerous and diverse hand labor of filtrate; The non-concentrated replacing of filtrate, filter bed parameter stability, controlled.
2, the reverse movement of filtrate and filtrate.Go out filtrate end and go out filter residue and do not hold altogether, more dirty slag can not contact with cleaner water; The filter residue of getting rid of is always wrapped up in the filtrate that slag is the heaviest.And the filtrate in filter bed is that mobile work also can static work (filtration), when filtrate need to be changed, be mobile working, when being static work when changing filtrate.
3, flush type filtrate liquid distributor.Filtrate liquid distributor is imbedded in filtrate, makes filtrate, liquid level at filter bed, and under bed surface, but the filter residue of discharge is semi-drying solid; Filtrate by liquid distributor, is evenly distributed on filtrate on the cross section at filter bed feed liquor place in filtrate.
4, filter bottom is a multilayer cone chamber, and cone chamber internal layer is filtrate bottom drain.It is that area sees through, and forms liquid-solid lower resistance counter-current separation interface simultaneously for ease of advancing filtrate from bottom, can making again filtrate at this super cross section that filter bed bottom adopts taper bottom drain.
5, in bottom drain cone chamber, be provided with taper leakage-bottom spiral filtrate propeller.Taper leakage-bottom spiral propeller Main Function one is the lifting force upwards of new filtrate increase that makes to enter filter bed bottom; The 2nd, the filtrate that small bore enters can be distributed on the whole cross section of filter bed; The 3rd, can make filtrate by filter bed, bore bottom smoothly.
6, filter bed bottom can be the taper bottom drain of a charging aperture, can be to be also uniformly distributed multiple taper leakage-bottom charging apertures on the cross section of filter bed bottom.When filter bed diameter hour, adopt a taper bottom drain, when filter bed diameter is larger, adopt the charging of multiple even cloth taper bottom drain, at this moment taper bottom drain, can not establish spiral propeller, can directly by new filtrate, be pressed into a mouthful outer end filtrate is pressed into filter bed.Its object is exactly that the filtrate entering can be dispersed on the cross section of whole filter bed uniformly, produces same filtrate upflow velocity on whole cross section.When filter bed bottom adopts multiple even cloth taper bottom drains to disperse charging, at this moment filtrate can be dispersed on the cross section of filter bed bottom, thereby in taper bottom drain, taper leakage-bottom spiral propeller can be set; And adopt, at new filtrate, be pressed into mouthful outer end and directly filtrate be pressed into through multiple even cloth taper bottom drains and make to be full of filter bed, as long as can be by the dispersed new filtrate filter bed that is pressed into.
7, the present invention be also provided with fluid level controller, filtrate automatic makeup to and wrap up in slag filter material discharger.
The present invention adopts the random filtrate of automatically changing continuously, has not only reduced labour intensity but also improved stability and the controllability of filter bed parameter.And the filtrate being discharged from always to wrap up in slag the heaviest, along with constantly the supplementing and discharge of filtrate, filter residue is constantly taken out of, so without backwash filter bed, without backwash filter residue water.And the slag filter material of heavily wrapping up in of discharging is to discharge on filter bed filtrate liquid level, so the always semi-drying solid of filter residue of discharging is convenient to post processing.When filtrate is inorganic particle, filtrate is also inorganic nature sewage, and the semi-drying filter residue of discharge can landfill disposal; If filtrate is organic sewage, particularly sanitary wastewater, the organic cheap granule filter material that available easy microorganism is decomposed, as the stalk bits of processing, wood chip, husk bits, degradability resin particle etc., the filter residue of this discharge is good marsh gas raw materials.It is that taper is conducive to into filtrate, distribution filtrate that the present invention enters filtrate place, is again filter bed bottom drain simultaneously, has increased like this water permeable area, and whole water permeable area is greater than filter bed cross section, area.Because the present invention is without backwash filter residue water, so be a kind of filter plant without backwash water secondary pollution and micro-filtration, the desirable pre-processing device of ultrafiltration, be also the ideal equipment of all filter bed wash waters of purified treatment or backwash water.
Embodiment of the present invention is only the description that the preferred embodiment of the present invention is carried out; not design of the present invention and scope are limited; do not departing under the prerequisite of design philosophy of the present invention; various modification and improvement that in this area, engineers and technicians make technical scheme of the present invention; all should fall into protection scope of the present invention; the technology contents of request protection of the present invention, has all been documented in claims.
Claims (10)
1. the filter of a random continuous moving replacing filtrate, it is characterized in that comprising filter cylinder (5), be connected to the filter cone end (8) of filter cylinder (5) bottom, the filtrate that is arranged on filter cone (8) bottom, the end is pressed into mouthful (12), with be arranged on filter cylinder (5) top wrap up in slag filter material discharger, wherein:
In filter cylinder (5), be filter bed (6), filter cylinder is provided with filtrate liquid distributor on (5), filtrate liquid distributor one end is arranged in filter bed (6) and imbeds in the filtrate being full of in filter bed (6), and the filtrate liquid distributor that is arranged in filter bed (6) is positioned at the filtrate of wrapping up in below slag filter material discharger;
In the described filter cone end (8), be provided with one or at least two filter bed taper bottom drains (7), between filter bed taper bottom drain (7) and the filter cone end (8), be provided with permeable gap, and be covered with permeable hole on the leakage wall of filter bed taper bottom drain (7); Filter cone (8) bottom, the end one side is provided with purifying filter liquor outlet (9), the filtrate to be filtered that filtrate liquid distributor enters, after the media filtration in filter bed (6), is discharged by purifying filter liquor outlet (9) by the permeable hole of filter bed taper bottom drain (7) downwards;
In the filter bed taper bottom drain (7) of described single setting, taper leakage-bottom spiral propeller (13) is set, or the filter bed taper bottom drain (7) of described multiple settings bottom arranges taper leakage-bottom spiral propeller (13) or propulsion plant, or described filtrate is pressed into mouthful (12) and locates to arrange press-in device; It is upwards dispersed or through the dispersed filter bed (6) that is full of of filter bed taper bottom drain (7) by taper leakage-bottom spiral propeller (13) or propulsion plant that filtrate is pressed into filtrate that mouthful (12) enter; Or filtrate is pressed into mouthful press-in device of (12) setting directly through the dispersed filter bed (6) that is upwards full of of filter bed taper bottom drain (7) by filtrate, makes upper strata wrap up in slag filter material and discharge through wrapping up in slag filter material discharger.
2. random continuous moving according to claim 1 is changed the filter of filtrate, it is characterized in that the described slag filter material discharger of wrapping up in comprises the deslagging groove (2) that is arranged on filter cylinder (5) top, be arranged on the slag-draining device transmission device (16) of deslagging groove (2) top, with the deslagging doctor blade device that is arranged on slag-draining device transmission device (16) bottom, wherein the deslagging movable scraper (1) of deslagging doctor blade device stretches out filter cylinder (5) outer radius portion and is located in deslagging groove (2) groove, the bottom of deslagging groove (2) is provided with slag notch (15), described deslagging movable scraper (1) is under slag-draining device transmission device (16) drives, by pushing the slag filter material of wrapping up in after filtrate liquid distributor coming, scrape to slag notch (15) and discharge.
3. random continuous moving according to claim 1 is changed the filter of filtrate, it is characterized in that described filtrate liquid distributor comprises is arranged on the outside filtrate inlet port (3) of filter cylinder (5) and is arranged at the interior filtrate liquid distributor (4) of filter bed (6), wherein on the pipeline of filtrate inlet port (3), electrically operated valve (17) is installed, filtrate liquid distributor is evenly distributed with filtrate squit hole on (4), and between filtrate liquid distributor (4) from there being filtrate punishment in advance gap.
4. random continuous moving according to claim 1 is changed the filter of filtrate, in the filter bed taper bottom drain (7) of the single setting described in it is characterized in that, taper leakage-bottom spiral propeller (13) is set, filtrate be pressed into taper leakage-bottom spiral propeller (13) that filtrate that mouthful (12) enter establishes in filter bed taper bottom drain (7) or filtrate be pressed into the press-in device mouthful (12) located upwards dispersed being advanced into be full of filter bed (6), or filtrate continues to advance and makes upper strata wrap up in slag filter material to discharge to wrapping up in slag filter material discharger below.
5. random continuous moving according to claim 1 is changed the filter of filtrate, filter bed taper bottom drain (7) bottom that it is characterized in that described multiple settings arranges taper leakage-bottom spiral propeller (13) or propulsion plant or filtrate and is pressed into mouthful (12) and locates to arrange press-in device, filtrate be pressed into filtrate that mouthful (12) enter through taper leakage-bottom spiral propeller (13) or propulsion plant or press-in device by the dispersed filter bed (6) that is upwards full of of filter bed taper bottom drain (7), or filtrate continues to be pressed into makes upper strata wrap up in slag filter material through wrapping up in the discharge of slag filter material discharger below.
6. random continuous moving according to claim 1 is changed the filter of filtrate, it is characterized in that described filtrate is pressed into mouthful (12) below and propeller transmission device (11) is set connects and drive taper leakage-bottom spiral propeller (13) work.
7. random continuous moving according to claim 1 is changed the filter of filtrate, it is characterized in that described filtrate is pressed into mouthful (12) and filter and bores and between the end (8) and filter bed taper bottom drain (7), binder sealing shroud (10) is set and is connected.
8. random continuous moving according to claim 1 is changed the filter of filtrate, it is characterized in that being also provided with upper and lower liquid level sensor (14) on described filter cylinder (5).
9. random continuous moving according to claim 1 is changed the filter of filtrate, it is characterized in that described filter cylinder (5) is fixedly connected with by flange bolt with the filter cone end (8) and filter bed taper bottom drain (7).
10. random continuous moving according to claim 1 is changed the filter of filtrate, it is characterized in that, on described purifying filter liquor outlet (9) pipeline, electrically operated valve (17) is also installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031502.0A CN103721453B (en) | 2014-01-23 | 2014-01-23 | Filter with filtering material capable of being continuously and movably replaced at random |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031502.0A CN103721453B (en) | 2014-01-23 | 2014-01-23 | Filter with filtering material capable of being continuously and movably replaced at random |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103721453A true CN103721453A (en) | 2014-04-16 |
| CN103721453B CN103721453B (en) | 2015-07-15 |
Family
ID=50445900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410031502.0A Active CN103721453B (en) | 2014-01-23 | 2014-01-23 | Filter with filtering material capable of being continuously and movably replaced at random |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103721453B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104474750A (en) * | 2014-11-24 | 2015-04-01 | 武汉理工大学 | Purifying device |
| CN107502385A (en) * | 2017-09-12 | 2017-12-22 | 苏州诺力达工程技术服务有限公司 | A kind of oil filter plant |
| CN107513401A (en) * | 2017-09-12 | 2017-12-26 | 苏州诺力达工程技术服务有限公司 | A kind of oil fast filtering easy device |
| CN109011737A (en) * | 2018-08-29 | 2018-12-18 | 戚汝常 | It is a kind of for purifying the more filter cylinder filter devices and method of sewage |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5061366A (en) * | 1989-04-28 | 1991-10-29 | Arai Corporation | Scraper filter system |
| CN2214288Y (en) * | 1994-08-13 | 1995-12-06 | 化学工业部上海化工研究院 | Cone type continuous filter press |
| US5510030A (en) * | 1992-02-14 | 1996-04-23 | Bacher; Helmut | Filter apparatus for flowable material |
| CN1372485A (en) * | 2000-04-27 | 2002-10-02 | 日本原料株式会社 | Filtration device, and method of cleaning filter material container in filtration device |
| JP2009022934A (en) * | 2007-07-23 | 2009-02-05 | Tsukishima Kikai Co Ltd | Filter apparatus |
| CN101934162A (en) * | 2009-06-30 | 2011-01-05 | 日本那贺株式会社 | Water treatment device and method for cleaning filtration material layer for water treatment device |
| CN201719872U (en) * | 2010-03-23 | 2011-01-26 | 卢正华 | One-valve control filter |
| CN102582105A (en) * | 2012-01-18 | 2012-07-18 | 张家港方圣机械有限公司 | Squeezing type dewatering machine |
| CN103055556A (en) * | 2012-12-28 | 2013-04-24 | 东北石油大学 | Waterpower dynamic backwashing device of filter and backwashing method therefor |
| CN203694693U (en) * | 2014-01-23 | 2014-07-09 | 胡国荣 | Filter capable of replacing filter material randomly, continuously and movably |
-
2014
- 2014-01-23 CN CN201410031502.0A patent/CN103721453B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5061366A (en) * | 1989-04-28 | 1991-10-29 | Arai Corporation | Scraper filter system |
| US5510030A (en) * | 1992-02-14 | 1996-04-23 | Bacher; Helmut | Filter apparatus for flowable material |
| CN2214288Y (en) * | 1994-08-13 | 1995-12-06 | 化学工业部上海化工研究院 | Cone type continuous filter press |
| CN1372485A (en) * | 2000-04-27 | 2002-10-02 | 日本原料株式会社 | Filtration device, and method of cleaning filter material container in filtration device |
| JP2009022934A (en) * | 2007-07-23 | 2009-02-05 | Tsukishima Kikai Co Ltd | Filter apparatus |
| CN101934162A (en) * | 2009-06-30 | 2011-01-05 | 日本那贺株式会社 | Water treatment device and method for cleaning filtration material layer for water treatment device |
| CN201719872U (en) * | 2010-03-23 | 2011-01-26 | 卢正华 | One-valve control filter |
| CN102582105A (en) * | 2012-01-18 | 2012-07-18 | 张家港方圣机械有限公司 | Squeezing type dewatering machine |
| CN103055556A (en) * | 2012-12-28 | 2013-04-24 | 东北石油大学 | Waterpower dynamic backwashing device of filter and backwashing method therefor |
| CN203694693U (en) * | 2014-01-23 | 2014-07-09 | 胡国荣 | Filter capable of replacing filter material randomly, continuously and movably |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104474750A (en) * | 2014-11-24 | 2015-04-01 | 武汉理工大学 | Purifying device |
| CN104474750B (en) * | 2014-11-24 | 2016-05-11 | 武汉理工大学 | A kind of purifier |
| CN107502385A (en) * | 2017-09-12 | 2017-12-22 | 苏州诺力达工程技术服务有限公司 | A kind of oil filter plant |
| CN107513401A (en) * | 2017-09-12 | 2017-12-26 | 苏州诺力达工程技术服务有限公司 | A kind of oil fast filtering easy device |
| CN109011737A (en) * | 2018-08-29 | 2018-12-18 | 戚汝常 | It is a kind of for purifying the more filter cylinder filter devices and method of sewage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103721453B (en) | 2015-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103721453B (en) | Filter with filtering material capable of being continuously and movably replaced at random | |
| CN203017830U (en) | Continuous type sand filter | |
| CN203144168U (en) | Vertical lateral flow filter | |
| CN102527109A (en) | Novel energy-saving water treatment filter device | |
| CN203694693U (en) | Filter capable of replacing filter material randomly, continuously and movably | |
| CN203247176U (en) | Waste water treatment system | |
| CN108905320B (en) | Active sand filter | |
| CN105010220A (en) | Water treatment method for circualting water land-based aquaculture | |
| CN108654155B (en) | Active sand filter | |
| CN203971540U (en) | A kind of fiber rotary disc filter | |
| CN108911450A (en) | Sludge concentrator | |
| CN106430862B (en) | Oil extraction wastewater treatment device integrating settling tank, biology and dissolved air floatation | |
| CN211546087U (en) | Automatic back flush system of denitrification filtering pond | |
| CN210753175U (en) | Peach gum raw material impurity separation device | |
| CN104649463A (en) | Filter unit for treating oilfield sewage | |
| CN203971559U (en) | A kind of sewage economic benefits and social benefits filter plant | |
| CN211935923U (en) | Filter element structure of backwashing cylindrical water machine | |
| CN201356993Y (en) | Self-cleaning sand drift filter | |
| CN201737782U (en) | Multiple fine filtration water treatment machine | |
| CN102642938A (en) | High-turbidity tower-shaped water purifier | |
| CN103086500B (en) | Vertically lateral flow stored sewage filter | |
| CN209974520U (en) | Self-cleaning type biological aerated filter | |
| CN219409482U (en) | Coking wastewater coagulation reaction device | |
| CN203417505U (en) | High-efficiency quicksand filtration device | |
| CN202322476U (en) | Novel integrated aeration biological purification device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |