CN102343166A - Liquid surface strengthened scrubbing method for filtering material layer of filter - Google Patents
Liquid surface strengthened scrubbing method for filtering material layer of filter Download PDFInfo
- Publication number
- CN102343166A CN102343166A CN2010102553896A CN201010255389A CN102343166A CN 102343166 A CN102343166 A CN 102343166A CN 2010102553896 A CN2010102553896 A CN 2010102553896A CN 201010255389 A CN201010255389 A CN 201010255389A CN 102343166 A CN102343166 A CN 102343166A
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- China
- Prior art keywords
- filter
- material layer
- liquid level
- filter material
- filtering material
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
- B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/08—Regeneration of the filter
- B01D2201/087—Regeneration of the filter using gas bubbles, e.g. air
Abstract
The invention discloses a liquid surface strengthened scrubbing method for filtering material layer of a filter. The method is characterized in that: the liquid surface is kept at certain position of the filtering material layer through the water drainage or water feed of the filter; air passes through the filtering material layer from the lower part of the filter in a bottom-top manner, and powerfully washes the filtering material surface covered by the liquid surface under intense air disturbance so that the sludge attached to the filtering material surface is thoroughly removed and discharged through the water flow. Through the method for strengthening the cleaning effect of the filtering material layer of filter or filtering pond disclosed by the invention, the filtering material layer of the filter can be cleaned conveniently and thoroughly in a strengthened manner, the hardening of the filtering material layer can be effectively prevented, and the hardened filtering material can be cleaned and regenerated.
Description
Technical field
The present invention relates to the intensifying method of filter precoat cleaning performance.
Background technology
Filter bed filter, like quartz sand filtration device, fiber bundle filter, fibrous nodules (or comet filtrate) filter etc., cleaning method commonly used is the air-water combined cleaning.This method is that filter material layer is submerged in the water fully, closes with gas scouring, water backwash or air-water and washes.The weak point that this method exists is that the cleaning performance of filtrate is often not ideal enough, and the deposition of filter material layer meeting in the course of time causes when serious and hardens.
Summary of the invention
The purpose of this invention is to provide a kind of method that is used for intensive filtration device filter material layer cleaning performance.Said filter comprises filter and filtering ponds, and said filter comprises fiber bundle filter, fibrous nodules (or comet filtrate) filter, quartz sand filtration device, other granular filter material filter (like haydite filter, shell filter, cobble filter, anthracite filter etc.), charcoal filter, ion-exchanger, doughnut film filter, biofilter or biofilter etc.
The liquid level that is used to realize a kind of filter precoat of the object of the invention is strengthened the scouring method; It is characterized in that; Filter draining or water inlet through filter when cleaning rests on certain position of filter material layer with liquid level; Air relies on the liquid level that receives the air strong disturbance to wash away the filter material surface that liquid level can feed through to strongly through filter material layer from bottom to top from the filter bottom, makes attached to the body refuse of filter material surface and thoroughly is stripped from, and discharges with current afterwards.
Further measure of the present invention does; The filter draining through filter or water inlet when cleaning rest on filter material layer with liquid level, and certain need strengthen the position on the lower side of the cross section of cleaning; Air passes through filter material layer from bottom to top from the filter bottom; The liquid level that receives the air strong disturbance this moment can rise to some extent and just rest on the cross-section location that this filter material layer need be strengthened cleaning; The liquid level that dependence receives the air strong disturbance washes away filter material surface strongly, makes attached to the body refuse of filter material surface and thoroughly is stripped from, and discharges with current afterwards.
Further measure of the present invention does; Filter particularly fiber bundle filter draining or water inlet through filter when cleaning rests on position on the lower side, filter material layer bottom with liquid level; Air passes through filter material layer from bottom to top from the filter bottom; The liquid level that receives the air strong disturbance this moment can rise to some extent and just rest on the cross-section location of filter material layer bottom; The liquid level that dependence receives the air strong disturbance washes away the filter material surface of filter material layer bottom strongly, makes attached to the body refuse of filter material surface and thoroughly is stripped from, and discharges with current afterwards.
Further measure of the present invention is that filter particularly fiber bundle filter installs liquid level gauge or liquid-level switch additional below filter material layer.
The detection of liquid level position and control can realize with liquid level gauge or liquid-level switch and automatic control system, also can use Artificial Control and operation.
Method of the present invention can be used for cleaning and comprises various filters such as fiber bundle filter, fibrous nodules (or comet filtrate) filter, quartz sand filtration device, other granular filter material filter (like haydite filter, shell filter, cobble filter, anthracite filter etc.), charcoal filter, ion-exchanger, doughnut film filter, biofilter or biofilter.
Method of the present invention both had been applicable to pressure filter, also was applicable to gravity one.
Method of the present invention also can be used for the cleaning of other fluid filter of wet goods.
Method of the present invention can be united use with the cleaning method of other any filter or filtering ponds.
A kind of method that is used for intensive filtration device or filtering ponds filter material layer cleaning performance provided by the invention; Can make things convenient for, up hill and dale filter precoat strengthened cleaning; Can prevent effectively that filter material layer from hardening, and can carry out cleaning and regeneration the filter material layer that has hardened.
The specific embodiment
Describe the present invention in detail below in conjunction with accompanying drawing.
Fig. 1 fiber bundle filter liquid level is strengthened the scouring sketch map
Fig. 2 fibrous nodules (or comet filtrate) filter liquid level is strengthened the scouring sketch map
Fig. 3 granular filter material filter liquid level is strengthened the scouring sketch map
Liquid level gauge or liquid-level switch sketch map are installed in Fig. 4 filter precoat below
Fig. 1, shown in Figure 4 be that the fiber-bundle filtering bed of material 5 liquid levels are strengthened the scouring process.Liquid level gauge or liquid-level switch 11 are installed below the fiber-bundle filtering bed of material 5; Rinse water inherent filtration device end opening 2 gets into filter; Liquid level 4 is rested on certain position of the fiber-bundle filtering bed of material 5; Air gets into to distribute through air distributing device 8 from the air inlet pipe 7 that is arranged on the filter bottom again and produces a large amount of bubbles 6; Bubble 6 gets into the fiber-bundle filtering bed of material 5 from bottom to top and liquid level 4 is produced strong perturbation action and makes the strong fiber bundle media that can involve that washes away of liquid level semi-finals, makes attached to the body refuse on fiber bundle media surface and is stripped from up hill and dale, takes away with washing water flow afterwards.Air is discharged from suitable for reading 1 of filter.
Shown in Figure 2 is that fibrous nodules (or comet filtrate) filter material layer 9 liquid levels are strengthened the scouring process.Rinse water inherent filtration device end opening 2 gets into filter; Liquid level 4 is rested on certain position of fibrous nodules (or comet filtrate) filter material layer 9; Air gets into to distribute through air distributing device 8 from the air inlet pipe 7 that is arranged on the filter bottom again and produces a large amount of bubbles 6; Bubble 6 gets into fibrous nodules (or comet filtrate) filter material layer 9 from bottom to top and liquid level 4 is produced fibrous nodules (or the comet filtrate) filtrate that strong perturbation action washes away liquid level can to involve strongly; Make attached to the body refuse of filter material surface and be stripped from more up hill and dale, take away with washing water flow afterwards.Air is discharged from suitable for reading 1 of filter.
Shown in Figure 3 is that granular filter material layer 10 liquid level are strengthened the scouring process.Rinse water inherent filtration device end opening 2 gets into filter; Liquid level 4 is rested on certain position of granular filter material layer 10; Air gets into to distribute through air distributing device 8 from the air inlet pipe 7 that is arranged on the filter bottom again and produces a large amount of bubbles 6; Bubble 6 gets into granular filter material layer 10 from bottom to top and liquid level is produced strong perturbation action and makes liquid level wash away the granular filter material that can involve strongly, makes attached to the body refuse of filter material surface and is stripped from up hill and dale, takes away with washing water flow afterwards.Air is discharged from suitable for reading 1 of filter.
Claims (4)
1. the liquid level of a filter precoat is strengthened the scouring method; It is characterized in that; Filter draining or water inlet through filter when cleaning rests on certain position of filter material layer with liquid level; Air relies on the liquid level that receives the air strong disturbance to wash away the filter material surface that liquid level can feed through to strongly through filter material layer from bottom to top from the filter bottom, makes attached to the body refuse of filter material surface and thoroughly is stripped from, and discharges with current afterwards.
2. strengthen the scouring method according to the liquid level of the said a kind of filter precoat of claim 1; It is characterized in that; The filter draining through filter or water inlet when cleaning rest on filter material layer with liquid level, and certain need strengthen the position on the lower side of the cross section of cleaning; From bottom to top through filter material layer, the liquid level that receives the air strong disturbance this moment can rise and just rest on the cross-section location that this filter material layer need be strengthened cleaning air to some extent from the filter bottom, relies on the liquid level that receives the air strong disturbance to wash away filter material surface strongly; Make attached to the body refuse of filter material surface and thoroughly be stripped from, discharge with current afterwards.
3. strengthen the scouring method according to the liquid level of the said a kind of filter precoat of claim 2; It is characterized in that; Filter particularly fiber bundle filter draining or water inlet through filter when cleaning rests on position on the lower side, filter material layer bottom with liquid level; From bottom to top through filter material layer, the liquid level that receives the air strong disturbance this moment can rise and just rest on the cross-section location of filter material layer bottom air to some extent, relies on the liquid level that receives the air strong disturbance to wash away the filter material surface of filter material layer bottom strongly from the filter bottom; Make attached to the body refuse of filter material surface and thoroughly be stripped from, discharge with current afterwards.
4. strengthen swab according to the liquid level of any said a kind of filter precoat of claim 1-3, it is characterized in that filter particularly fiber bundle filter is installed liquid level gauge or liquid-level switch below filter material layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102553896A CN102343166A (en) | 2010-07-23 | 2010-08-14 | Liquid surface strengthened scrubbing method for filtering material layer of filter |
| PCT/CN2011/078251 WO2012022237A1 (en) | 2010-08-14 | 2011-08-11 | Process for enhanced scrubbing of filter material layer of filter at liquid surface |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010235299.0 | 2010-07-23 | ||
| CN201010235299 | 2010-07-23 | ||
| CN2010102553896A CN102343166A (en) | 2010-07-23 | 2010-08-14 | Liquid surface strengthened scrubbing method for filtering material layer of filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102343166A true CN102343166A (en) | 2012-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102553896A Pending CN102343166A (en) | 2010-07-23 | 2010-08-14 | Liquid surface strengthened scrubbing method for filtering material layer of filter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102343166A (en) |
| WO (1) | WO2012022237A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2491978C1 (en) * | 2012-04-10 | 2013-09-10 | Александр Вадимович Утин | Water cleaner with water-air flushing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5248415A (en) * | 1991-10-18 | 1993-09-28 | Mitsuimiikekakouki Kabushiki Kaisha | High speed upward flow filtration apparatus |
| CN2776514Y (en) * | 2005-03-03 | 2006-05-03 | 上海凡清环境工程有限公司 | Filter for lower float body fiber |
| CN101274160A (en) * | 2008-01-04 | 2008-10-01 | 上海凡清环境工程有限公司 | Pulsation cleaning method of filter precoat |
| CN101274159A (en) * | 2008-01-04 | 2008-10-01 | 上海凡清环境工程有限公司 | Fluctuation cleaning method of filter precoat level |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2212438Y (en) * | 1995-03-14 | 1995-11-15 | 北京大亚通商贸中心 | Device for filtering sewage and counter-washing filter material |
| CN1145515C (en) * | 1998-04-20 | 2004-04-14 | 刘澄清 | Filter |
-
2010
- 2010-08-14 CN CN2010102553896A patent/CN102343166A/en active Pending
-
2011
- 2011-08-11 WO PCT/CN2011/078251 patent/WO2012022237A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5248415A (en) * | 1991-10-18 | 1993-09-28 | Mitsuimiikekakouki Kabushiki Kaisha | High speed upward flow filtration apparatus |
| CN2776514Y (en) * | 2005-03-03 | 2006-05-03 | 上海凡清环境工程有限公司 | Filter for lower float body fiber |
| CN101274160A (en) * | 2008-01-04 | 2008-10-01 | 上海凡清环境工程有限公司 | Pulsation cleaning method of filter precoat |
| CN101274159A (en) * | 2008-01-04 | 2008-10-01 | 上海凡清环境工程有限公司 | Fluctuation cleaning method of filter precoat level |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012022237A1 (en) | 2012-02-23 |
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120208 |