CN101991982B - Filter having function of self cleaning and self cleaning method thereof - Google Patents

Filter having function of self cleaning and self cleaning method thereof Download PDF

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Publication number
CN101991982B
CN101991982B CN2010102551547A CN201010255154A CN101991982B CN 101991982 B CN101991982 B CN 101991982B CN 2010102551547 A CN2010102551547 A CN 2010102551547A CN 201010255154 A CN201010255154 A CN 201010255154A CN 101991982 B CN101991982 B CN 101991982B
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China
Prior art keywords
disc type
filter
filter element
type filter
compressed air
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CN2010102551547A
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Chinese (zh)
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CN101991982A (en
Inventor
崔赞燮
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Korea Environment Technology
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Priority to KR10-2009-0075687 priority Critical
Priority to KR1020090075687A priority patent/KR100951075B1/en
Application filed by Korea Environment Technology filed Critical Korea Environment Technology
Publication of CN101991982A publication Critical patent/CN101991982A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/44Regenerating the filter material in the filter
    • B01D33/46Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/463Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/15Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/21Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/44Regenerating the filter material in the filter
    • B01D33/48Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps

Abstract

The present invention relates to a filter with bond separating film or filtering unit, and a self cleaning method. The filter having self cleaning function comprises: a cleaning water storage(500); a filter(200) which is equipped with a disk filter(210) for filtering effluent and is combined with a plurality of hollow shafts(230); a compressed air supply part(300) supplying compressed air to the filter; a filter washing line(510) supplying the cleaning water to the filter; and a plurality of nozzles(511) which is combined with the filter washing line and sprays the cleaning water on the disk filter. The filter having self cleaning function is provided to shorten washing time of a disk filter by automatically spraying cleaning water on the surface of the disk filter and to enhance purifying efficiency of effluent by promoting the production of turbulent flow. Furthermore, the invention improves purifying efficiency of waste water.

Description

Filter and self cleaning method with self-cleaning function
Technical field
The present invention relates to a kind of filter, relating in particular in a kind of disc type filter adopt pasting diffusion barrier or filter element filter and self cleaning method with self-cleaning function that can the described disc type filter element of automatically cleaning.
Background technology
When containing oil emulsified containing oil in greasy dirt waste water, water is not easy to separate in stable state with oil, in order to break emulsified state and to process dirty waste water, the biological processes method that the expense of use both expensive is carried out the medicine processing or processed through the very long time.For oil removing, can use filtering technique, but general filter type is larger because of frequent replacing filter element difficulty.
And the method for generally processing livestock waste mainly contains the recycling processing methods such as liquid fertilizer and Composting and purifies rear method of placing.Described method of resource, applicable to the wastewater treatment of the segregative Korea S of fecaluria ox, milk cow, cultivation chicken, is difficult to separate but cultivate pig waste water fecaluria, expense increase on the contrary while using method of resource to process.
So cultivation pig manure urine is more suitable for by the method for placing after purifying.The filter of placing after purifying like this is recorded in that the applicant applies for and No. 20-0317334th, the mandate utility model communique that is authorized to.
The utility model of No. 20-0317334 record of described mandate utility model communique is liquid fertilizer or the rear livestock waste of placing of purification effectively, particularly cultivate pig manure urine, and be applicable to be difficult to containing greasy dirt waste water etc. the processing of the dirty waste water of decomposability, but during Reusability, fecaluria waste residue or pollutant are attached to the disc type filter element, so need periodically cleaning disc type filter element.
For clean described disc type filter element need to decompose by device, and manually jet cleaning water and cleaning disc type filter element.Thisly manually cleanly can increase administrative expenses, and need to separate and apparatus for assembling during the cleaning disc type filter element, so can extend the activity duration.
Summary of the invention
In order to solve above problem, the object of the present invention is to provide a kind ofly when purifying liquid waste, avoid disc type filter element for purifying to be exposed to the filter with self-cleaning function and self cleaning method that outside can this disc type filter element of automated cleaning.
Another object of the present invention is to provide a kind of turbulent generation that promotes, to improve the filter with self-cleaning function and the self cleaning method of filter efficiency.
It is a kind of without changing existing filter that another purpose of the present invention is to provide, and just can carry out the filter with self-cleaning function and the self cleaning method of self-cleaning function.
To achieve these goals, the present invention comprises: the washings storage unit, with for storing washings; Filter, possess a plurality of disc type filter elements, and a plurality of described disc type filter element combines and rotate with one or more quill shaft, and filter the waste water of supplying with from the waste water storage unit; Compressed air supply unit, supply with compressed air to described filter interior; And the cleaning filtration pipeline, the washings of described washings storage unit are supplied to the inside of described filter; A plurality of nozzles, be combined with described cleaning filtration pipeline, washings is ejected into to each the described disc type filter element be rotated, to clean each described disc type filter element.
The present invention is at the jet surface washings of the disc type filter element for purifying liquid waste, thereby wash easily the disc type filter element, can shorten the activity duration than existing manual cleaning disc type filter element method, and cost reduction, and easily safeguard and management equipment.
And the present invention cleans the turbulent flow that overlaps to form between the cleaning nozzle that arranges as purpose and disc type filter element by take, and has improved thus the purification efficiency of waste water.
And the present invention, without changing existing filter, just can give self-cleaning function by equipment is set, so can reduce surcharge.
The accompanying drawing explanation
Fig. 1 is the composition diagram of the first embodiment of the filter with self-cleaning function of the present invention;
Fig. 2 is the concrete composition cutaway view of the part of Fig. 1 middle filtrator;
Fig. 3 is the composition cutaway view that is applicable to disc type filter element of the present invention;
Fig. 4 is the composition diagram of the first embodiment that the layout form of the nozzle of arranging according to the position of disc type filter element of the present invention is shown;
Fig. 5 is the composition diagram of the layout form of nozzle when the single quill shaft of use of the present invention is shown;
Fig. 6 is the composition diagram of the second embodiment that the layout form of the nozzle of arranging according to the position of disc type filter element of the present invention is shown;
When Fig. 7 a to Fig. 7 c means respectively to be applicable to a plurality of round disc type filter element 210 of the present invention with mutual nonoverlapping state arrangement, the various arrangement states composition diagrams of nozzle 511;
Fig. 8 is the composition diagram of the second embodiment of the filter with self-cleaning function of the present invention;
Fig. 9 is the composition diagram of the 3rd embodiment of the filter with self-cleaning function of the present invention.
Symbol description: 100 is the waste water storage unit, and 200 is filter, and 210 is the disc type filter element, 220 is motor, and 230 is quill shaft, and 240 is drainage pipeline, 300 is compressed air supply unit, 400 is the filtered water storage unit, and 410 is water pump, and 500 is the washings storage unit, 510 is the cleaning filtration pipeline, 511 is nozzle, and 110 is supply pipe, and 120 is water pump.
The specific embodiment
Below, describe formation and the effect that there is the filter of self-cleaning function according to of the present invention in detail with reference to accompanying drawing.
Fig. 1 is the filter composition diagram with self-cleaning function according to the first embodiment, and Fig. 2 is that the partial detailed of the filter of Fig. 1 forms cutaway view.
With reference to Fig. 1 and Fig. 2, the filter with self-cleaning function of the first embodiment of the present invention comprises: waste water storage unit 100, with for storing waste water; Filter 200, the described waste water that will supply with by supply pipe 110 and water pump 120 extracts filtered water through after filtering, and uses by a plurality of disc type filter elements 210 of motor 220 rotations and filtered; Compressed air supply unit 300, provide compressed air to described filter 200, with the waste water of discharge filter 200 inside; Filtered water storage unit 400, store described filter 200 and filter the filtered water of supplying with afterwards; Washings storage unit 500, store filtered water or washings that described filtered water storage unit 400 is supplied with; Cleaning filtration pipeline 510, in described supply pipe 110 place branches, supply with and spray the washings of described washings storage unit 500 to disc type filter element 210 sides of described filter 200; Ozzle 511.
Below, describe formation and the effect of the preferred embodiment of the filter with self-cleaning function of the present invention as constructed as above in detail.
At first, for filtered wastewater, the waste water that is stored in waste water storage unit 100 is supplied to filter 200 by valve V1, supply pipe 110 and water pump 120.
Motor 220 drives quill shaft 230 rotations, and central portion is embedded into the also rotation together of disc type filter element 210 of the filter 200 of quill shaft 230 thus.
Fig. 3 is the composition cutaway view of described disc type filter element 210.
With reference to Fig. 3, described disc type filter element 210 comprises the brace table 211 that is incorporated into quill shaft 230 sides, with described brace table 211, forms certain space and the runner film 213 of combination, is positioned at the filter element 212 above described runner film 213.
The quill shaft 230 of the side in the space formed between described brace table 211 and runner film 213 is provided with the supply port 231 that can make filtered water stream enter.
According to structure as above, the waste water of described supply is after described filter element 212 is filtered, foreign matter in waste water remains in the top of filter element 212, only have moisture to see through described filter element 212 as filtered water, and process runner film 213 flow into the space of runner film 213 and brace table 211 formation, the filtered water of this inflow is by supply port 231, and the inside of process quill shaft 230, is stored in described filtered water storage unit 400.
So, the foreign matter separated with filtered water discharges by the foreign matter outlet, in the time of the needs draining, by drainage pipeline 240, is discharged to outside, or on the top of filter 200, discharge outlet separately is set, and by this discharge outlet, discharges.
At this moment, in order to improve the efficiency of filtration, compressed air supply unit 300 is supplied to compressed air the inside of filter 200, according to the increase of pressure, further promotes separating of foreign matter and moisture.At this moment, at the end of described quill shaft 230, connect water pump 221, and while driving this water pump 221 to reduce the pressure of quill shaft 230 inside, can improve the filter effect of filter element 212.
The compressed air that described compressed air supply unit 300 provides prevents the damage that the decompression filter element 212 because of described quill shaft 230 inside causes, and facilitates the discharge of filtered water.
While so repeatedly carrying out filter process, the top of described filter element 212 will adhere to waste residue.Although the turbulent flow produced because of the rotation of disc type filter element 210 and the arranged superposed between adjacent disc type filter element 210 can reduce the surface that waste residue is attached to disc type filter element 210, can not prevent fully adhering to of waste residue.
Because of adhering to of described waste residue, when descending, filter efficiency interrupts filtration treatment, carry out the cleaning at disc type filter element 210 clean waste residues.
For this reason, under the state of valve-off V1, open valve V2, supply with thus the washings of washings storage unit 500 by water pump 120 and supply pipe 110, and under the state of valve-off V6 Open valve V7, washings are fed into filter wash pipeline 510, by a plurality of nozzles 511 with 510 combinations of filter wash pipeline, are ejected into each disc type filter element 210 surface.
At this moment, according to the diameter of nozzle 511 and the pressure of water pump 120, washings are with suitable pressure injection, to remove waste residue.Described washings can be pure water, can be also the water that comprises washing agent for the ease of cleaning.
At this moment, use motor 220 disc type filter elements 210, because of the rotation of disc type filter element 210, with the nozzle 511 of cleaning filtration pipeline 510 combinations, at stationary state, also can clean whole disc type filter element 210.
In order to make described nozzle 511 clean the top and bottom of adjacent disc type filter element 210 simultaneously, in the both sides of disc type filter element 210, all should arrange discharge outlet.
Fig. 4 is the composition diagram of the first embodiment that the layout form of the nozzle of arranging according to the position of described disc type filter element 210 is shown.
With reference to Fig. 4, filter 200 can be by a plurality of octagon disc type filter element 210 overlapped layout that are incorporated into two mutual different quill shafts 230 and is formed, and the shape of disc type filter element 210 of the present invention is not limited to circle, octagon, ten hexagons etc.
As above cloth deposits, and a plurality of nozzles 511 of washings supply pipe 510 combinations of supply washings are between a plurality of disc type filter elements 210, and with disc type filter element arranged superposed, except foremost with the nozzle 511 of least significant end, other nozzles 511 are the top and bottom of the disc type filter element 210 of cleansing phase adjacency simultaneously.
As previously mentioned, described nozzle 511 can with disc type filter element 210 arranged superposed, also can not arranged superposed separated by a distance.
At this moment, described disc type filter element 210 is arranged to rotate.The washings that therefore described nozzle 511 sprays can evenly clean all of each disc type filter element 210.
Preferably, nozzle 511 is arranged to, and with the surface with respect to disc type filter element 210, forms acute angle spray angle, the waste residue that can extrapolatedly adhere to thus.
And the filtered water during as filtration, discharge by quill shaft 230 for the washings of clean described disc type filter element 210, and be stored in filtered water storage unit 400.At this moment, the filtered water that is stored in this filtered water storage unit 400 is stored in washings storage unit 500 again by water pump 410 and valve V3.
Be not washings, also can be circulated throughout drainage as washings, therefore can save for clean washings.
As shown in Figure 4, described nozzle 511 is between each disc type filter element 210, and nozzle 511 and disc type filter element 210 should be set to the length of overlapped regulation.According to this structure, the disc type filter element 210 rotated during filtration interferes and produces turbulent flow with the fluid of described nozzle 511, and the formation of this turbulent flow can prevent that foreign matter is attached to disc type filter element 210, thereby improves filter efficiency.
Fig. 5 is the layout composition diagram that the nozzle 511 of the filter 200 that uses a quill shaft 230 is shown.
With reference to Fig. 5, while using a plurality of quill shaft 230 as previously mentioned, overlapping because of between disc type filter element 210, and the turbulent flow that nozzle 511 forms with the overlapping of disc type filter element 210 can prevent that foreign matter is attached to disc type filter element 210, but do not have overlapping between disc type filter element 210 while using a quill shaft 230, so that the Local Gravity And overlay of nozzle 511 can be answered is arranged at and disc type filter element 210, the disc type filter element 210 that therefore utilizes rotation interferes with the fluid of nozzle 511 and the turbulent flow that produces reduces adhering to of foreign matter.
Fig. 6 is the composition diagram of the second embodiment that the layout form of the nozzle of arranging according to the position of disc type filter element is shown.
With reference to Fig. 6, filter 200 is overlapped and form by a plurality of round disc type filter element 210 that is incorporated into four different quill shafts 230.
In the central authorities of described four different quill shafts 230, described cleaning filtration pipeline 510 is arranged in parallel with quill shaft 230, and is arranged to correspond respectively to the disc type filter element 210 of four direction with a plurality of nozzles 511 of these cleaning filtration pipeline 510 combinations.
As above, under structure, a cleaning filtration pipeline 510 is set between disc type filter element 210, therefore arranges simply, improved integrated level, this structure is applicable to the quill shaft 230 more than three.
And, the composition diagram of the multiple arrangement states of nozzle 511 when Fig. 7 a to Fig. 7 c illustrates respectively a plurality of round disc type filter elements 210 and arranges not overlappingly.
At Fig. 7 a, in mutual nonoverlapping disc type filter element 210 central authorities, nozzle 511 is arranged to each disc type filter element 210, partly overlap respectively,
At Fig. 7 b, in the outside of mutual nonoverlapping disc type filter element 210, indivedual nozzles 511 are overlapping with each corresponding disc type filter element 210 respectively,
At Fig. 7 c, disc type filter element 210 phase non-overlapping copies, nozzle 511 is not overlapping with each corresponding disc type filter element 210 yet.
Example as mentioned above, the filter with self-cleaning function according to the present invention is ejected into washings or filtered water on the surface of the disc type filter element 210 of rotation, the clean waste residue that is attached to disc type filter element 210 surfaces.
So, the present invention not only can automatically cleaning disc type filter element 210, can also automatically cleaning can adhere to the supply pipe 110 of waste residue.
That is, in Fig. 1, open valve V2, the washings that are stored at washings storage unit 500 are imported in water pump 120 and supply pipe 110, remove the waste residue that is attached to supply pipe 110 inside.
Because the present invention can also clean supply pipe 110, so can prevent the damage of the device that the obstruction because of the rising of pressure or supply pipe 110 causes.
Flow into filter 200 at the cleaned waste residue gone out of described supply pipe 110, discharge by drainage pipeline 240 afterwards.
Fig. 8 is the composition diagram according to the second embodiment of the filter with self-cleaning function of the present invention.
With reference to Fig. 8, on the basis of the structure of the first embodiment of the present invention that the second embodiment with filter of self-cleaning function of the present invention illustrates with reference to described Fig. 1, also comprise compressed air mixing duct 310, with the compressed air by described compressed air supply unit 300, be supplied to described cleaning filtration pipeline 510.
So structure can be supplied to cleaning filtration pipeline 510 by described compressed air mixing duct 310 by compressed air, internal mix washings and compressed air at this cleaning filtration pipeline 510, the two-fluid that formation comprises foam, this two-fluid is ejected into disc type filter element 210 by described nozzle 511, thereby can improve cleaning efficiency.
Fig. 9 is the composition diagram of the 3rd embodiment of the filter with self-cleaning function of the present invention.
With reference to Fig. 9, on the basis of the structure of the first embodiment of the present invention that the 3rd embodiment with filter of self-cleaning function of the present invention illustrates at the described Fig. 1 of reference, also comprise again compressed air supply pipe 320, be supplied to the inside of described filter 200 with the compressed air by described compressed air supply unit 300, then the surface to disc type filter element 210 by a plurality of air injection nozzle 321 sequential fuel injections.
So, the third embodiment of the present invention is different from described the second embodiment, not by a nozzle ejection two-fluid, but use two nozzles that spray respectively different fluid to spray compressed air and washings to disc type filter element 210, thereby improve detersive efficiency.
The present invention goes for decomposing except the dyeing waste-water containing greasy dirt waste water, livestock waste, paper waste etc. are difficult harmfulness waste water.

Claims (7)

1. the filter with self-cleaning function is characterized in that comprising:
The washings storage unit, with for storing washings;
Filter, possess a plurality of disc type filter elements, and a plurality of described disc type filter element combines and rotate with a plurality of quill shafts, and filter the waste water of supplying with from the waste water storage unit;
Compressed air supply unit, supply with compressed air to described filter interior; And
The cleaning filtration pipeline, be supplied to the washings of described washings storage unit the inside of described filter;
A plurality of nozzles, be combined with described cleaning filtration pipeline, washings is ejected into to each the described disc type filter element be rotated, to clean each described disc type filter element,
Wherein, while using plural described quill shaft, the disc type filter element that is incorporated into one of them quill shaft forms local overlapping with the disc type filter element that is incorporated into the quill shaft of adjacency.
2. the filter with self-cleaning function according to claim 1, is characterized in that also comprising the filtered water storage unit, with the filtered water of filtering through described filter for storage, and the circulation of the filtered water of storage is supplied to described washings storage unit.
3. the filter with self-cleaning function according to claim 1, it is characterized in that described a plurality of nozzle lays respectively between described disc type filter element, and overlapping with described disc type filter element, to form turbulent flow when described disc type filter element rotates.
According to claim 1 to the described filter with self-cleaning function of any one in claim 3, it is characterized in that described arrangement of nozzles must be overlapping with the marginal portion of each described disc type filter element.
According to claim 1 to the described filter with self-cleaning function of any one in claim 3, while it is characterized in that using three the above quill shafts, described cleaning filtration pipeline is arranged in parallel at central authorities and the quill shaft of the arrangement space of described quill shaft, and described cleaning filtration pipeline is combined with a plurality of nozzles, wherein said a plurality of nozzles are to the described disc type filter element jet cleaning water that is incorporated into described quill shaft.
According to claim 1 to the described filter with self-cleaning function of any one in claim 3, it is characterized in that also comprising the compressed air mixing duct, with for supply with the compressed air of described compressed air supply unit to described cleaning filtration pipeline, and by described nozzle ejection two-fluid.
According to claim 1 to the described filter with self-cleaning function of any one in claim 3, it is characterized in that also comprising the compressed air supply pipe, compressed air with the described compressed air supply unit of internal feed for to described filter, and by a plurality of air injection nozzles, compressed air is carried out to branch, with the surface to each described disc type filter element by blast injection.
CN2010102551547A 2009-08-17 2010-08-13 Filter having function of self cleaning and self cleaning method thereof Active CN101991982B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR10-2009-0075687 2009-08-17
KR1020090075687A KR100951075B1 (en) 2009-08-17 2009-08-17 Filter having function of self cleaning and self cleaning method thereof

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CN101991982B true CN101991982B (en) 2013-12-18

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101320307B1 (en) 2011-04-20 2013-10-23 주식회사 포스코 Apparatus for cleaning filter
CN102764535B (en) * 2012-07-10 2014-10-22 清华大学 Integrated coagulation and direct-filtration filter cloth reactor for urban sewage recycling pretreatment
WO2021049691A1 (en) * 2019-09-11 2021-03-18 주식회사 엘지화학 Washing apparatus and washing method for metal filter
KR102190199B1 (en) 2019-12-30 2020-12-11 김군수 Air Filter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101301544A (en) * 2008-06-27 2008-11-12 安丘海洋机械制造有限公司 Pressure disc type filter
CN201267736Y (en) * 2008-09-05 2009-07-08 浙江旺能环保股份有限公司 Self-cleaning type wastewater filtering equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0182256B1 (en) * 1996-05-06 1999-04-15 박문찬 Purifying method for polluted air
SE515001C2 (en) * 1998-12-22 2001-05-28 Hydrotech Nils Aake Persson Ab Apparatus for cleaning filter cloth of a filtration device
KR200201856Y1 (en) * 2000-05-19 2000-11-01 주식회사미래엔지니어링 Drum filter
JP4217115B2 (en) * 2003-06-30 2009-01-28 三機工業株式会社 Fluid nozzle structure and sludge removal method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101301544A (en) * 2008-06-27 2008-11-12 安丘海洋机械制造有限公司 Pressure disc type filter
CN201267736Y (en) * 2008-09-05 2009-07-08 浙江旺能环保股份有限公司 Self-cleaning type wastewater filtering equipment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2005-021739A 2005.01.27

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