CN103418183A - Oily sewage filter and filtering method - Google Patents
Oily sewage filter and filtering method Download PDFInfo
- Publication number
- CN103418183A CN103418183A CN2012101562897A CN201210156289A CN103418183A CN 103418183 A CN103418183 A CN 103418183A CN 2012101562897 A CN2012101562897 A CN 2012101562897A CN 201210156289 A CN201210156289 A CN 201210156289A CN 103418183 A CN103418183 A CN 103418183A
- Authority
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- Prior art keywords
- tank body
- water
- filtrate
- oil
- motor
- Prior art date
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- 239000010865 sewage Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000001914 filtration Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 238000009825 accumulation Methods 0.000 claims abstract description 29
- 239000000706 filtrate Substances 0.000 claims description 69
- 239000003344 environmental pollutant Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 231100000719 pollutant Toxicity 0.000 claims description 6
- 230000000740 bleeding effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 11
- 238000011001 backwashing Methods 0.000 abstract description 10
- 238000003756 stirring Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000008929 regeneration Effects 0.000 abstract description 4
- 238000011069 regeneration method Methods 0.000 abstract description 4
- 238000005192 partition Methods 0.000 abstract 2
- 239000013049 sediment Substances 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000013022 venting Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/08—Thickening liquid suspensions by filtration
- B01D17/10—Thickening liquid suspensions by filtration with stationary filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
- C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/152—Water filtration
Abstract
The invention discloses an oily sewage filter used for carrying out deep treatment on large quantity of oily sewage, and an oily sewage filtering method. The oily sewage filter comprises a tank body and a water inlet, wherein a swirl partition plate is disposed in the tank body, the inner side of the swirl partition plate is provided with a perforating net formed into a filter material filling area, a perforating pressing plate is disposed in the perforating net, the upper part of the filter material filling area and the upper part of a swirl area are floating oil accumulation areas, and the lower part of the filter material filling area is a sediment accumulation area; an air cylinder is disposed in the tank body; a communicating pipe for communicating the swirl area with the filter material filling area is disposed above the tank body; and the bottom of the tank body is provided with a backwashing vent nozzle. After the structure and the method are adopted, floating oil and sediment have specific disposal sites, so that the pollution to filter materials is reduced, and the energy consumption and application amount of backwash water are reduced; and due to the technical scheme of suspending filter materials in the air, forcedly stirring and completely venting the backwash bottom, the regeneration effect of the filter materials can be greatly improved, so that a hardening phenomenon is avoided, and thus the service life of the filter material is greatly prolonged, and the operation cost is reduced.
Description
Technical field
The present invention relates to a kind of oil-containing sewage filter of big yield oil-polluted water advanced treating and the filter method of oil-polluted water, belong to technical field of sewage.
Background technology
Industrialization oil-polluted water complicated component, there is oil slick, silt and oil-containing solids thing etc., big yield oil-polluted water advanced treating mainly adopts two media or more medium filter and fiber ball filter to be processed at present, all contaminants (oil slick while adopting these equipment to be processed in water, silt, contain solids) all by filtrate, adsorb to sieve and hold back, carry out backwash after filtrate is saturated, during backwash under stirring action pollutant from filtrate, separate, the pollutant that proportion is relatively light is discharged from filter top backwash outlet under flow action, heavy pollutant can not be taken away in the filtrate of staying the filter bottom by water, after normal time cumulation, filtrate starts to harden, oil slick is not easy timely discharge, treatment effect reduces, final causes water outlet not up to standard, must change filtrate, to the silt sensitivity, sewage need to configure the prime desander when high and does pretreatment containing husky, and require the backwashing water instantaneous delivery large, need oil slick relative high with silt pretreatment investment cost, life-span of filtering material is short requires flow to cause greatly operating cost also higher with backwashing water, and existing filter life-span of filtering material is generally about 6 months.
Summary of the invention
The technical problem to be solved in the present invention is to provide and a kind ofly can have effectively reduced backwashing water energy consumption and backwashing water consumption, and media regeneration is effective, long service life, the oil-containing sewage filter that operating cost is low and filter method.
In order to solve the problems of the technologies described above, oil-containing sewage filter of the present invention, the water inlet that comprises tank body and be arranged on the tank body middle part, tank interior be provided with and tank wall between form the eddy flow dividing plate in annular eddy flow district, eddy flow dividing plate inboard is provided with the perforation net that forms the filtrate fill area, have horizontally disposed and the filtrate fill area can be divided into to upper and lower two-part perforation pressing plate in the perforation net, filtrate fill area top and top, eddy flow district are the oil slick accumulation regions, filtrate fill area bottom is the silt accumulation regions: be provided with the cylinder that the control punch pressing plate moves up and down in tank body, the upper end of cylinder is arranged on the top of tank body, lower end is connected and fixed with the perforation pressing plate, the top of tank body also is provided with the unicom pipeline of UNICOM's eddy flow district and filtrate fill area, is provided with UNICOM's fuel tap and draining valve on unicom pipeline, the oil slick on top, eddy flow district can enter in the oil slick accumulation regions on filtrate fill area top by unicom pipeline, and the bottom of tank body is provided with a backwash drain.
The top of described tank body also is provided with interface instrument.
Described tank body below is provided with liquid level gauge.
Described cylinder is multi-stage cylinder, the end socket arm that is outside equipped with the connection multi-stage cylinder of described tank body.
Also be provided with the water outlet collecting system in described filtrate fill area.
Described water outlet collecting system comprises the water collector that is arranged on filtrate fill area inside, and the lower end of described water collector is connected with stretches out the outer outlet pipe of tank body, also is provided with air motor on described outlet pipe.
Be provided with motor air inlet pipeline and motor outlet pipe on described air motor, described motor air inlet pipeline and motor outlet pipe are respectively arranged with motor intake valve and motor air bleeding valve, the offgas duct that also comprises one section connecting motor air inlet pipeline and motor outlet pipe, be provided with one section pipeline with air inlet between offgas duct and motor intake valve.
A kind of filtering oily sewage method of oil-containing sewage filter comprises the following steps:
A, preprocessing process;
Pass into sewage from the water inlet at tank body middle part, sewage is rotated in the eddy flow district, realize that under turning effort heavy silt goes downwards to the silt accumulation regions along tank wall, oil slick floats to the oil slick accumulation regions along the eddy flow dividing plate, realizes the pretreatment of oil slick and silt;
B, processing procedure;
Under multi-stage cylinder, the pressure handle filtrate compresses, after the water outlet of eddy flow district, by the perforation net, through filtrate, also the particle that is greater than 2 microns in water is all held back, water after filtration is discharged by outlet pipe by water collector, the oil slick on top, eddy flow district enters the oil slick accumulation regions on filtrate fill area top by oily coupling cock, detect in real time core intersection control draining valve by the interface instrument arranged and in time oil slick is discharged; Silt enters the silt accumulation regions and discharges by bottom backwash drain;
C, backwash process;
1. at first open draining valve, after the oil slick discharge, closing draining valve;
2. open backwash drain valve, the emptying complete drain valve of closing of silt accumulation regions pollutant;
3. closing water inlet stops into water, the delivery port of closing outlet pipe stops water outlet, with multi-stage cylinder, the perforation pressing plate is mentioned, again open draining valve, by air inlet, enter Compressed Gas, open intake valve filtrate is stirred after loose and closes, open air motor air intake valve and drain tap, control the motor mixing time by PLC, setting-up time is closed air motor air intake valve and drain tap after finishing;
4. open the backwash drain, emptying water in tank body, under multi-stage cylinder in the pressure handle filtrate water extruding discharge, push completely, on multi-stage cylinder, carry, the backwash drain is closed;
5. open delivery port, by hydraulic pressure in pipeline, hydraulic pressure is got back in filtering tank, control water level by interface instrument, after reaching, water level closes outlet valve, and then open air motor air intake valve and drain tap, control the motor mixing time by PLC, setting-up time is closed air motor air intake valve and drain tap after finishing;
6. again open the backwash drain, emptying water in tank body, under multi-stage cylinder in the pressure handle filtrate water extruding discharge, push completely, on multi-stage cylinder, carry, the backwash drain is closed;
7. backwash is complete, opens draining valve, and multi-stage cylinder presses down, and opens outlet valve, after water level reaches, closes draining valve, opens water inlet valve.
After adopting above-mentioned structure and method, owing to the present invention is directed to the scheme of oil-polluted water characteristics to design for filtration elements oil slick and silt removal, adopt the cyclone sieve integrated technique, make in tank body to there is detailed subregion, make oil slick, silt has had clear and definite disposal site, therefore silt is effectively removed in situation about not contacting with filtrate with oil slick, thereby reduce the pollution to filtrate, backwashing water energy consumption and backwashing water consumption have been reduced, filtrate is unsettled, the technical scheme of pressure stirring and the full emptying in backwash bottom can improve the regeneration effect of filtrate greatly, avoided the phenomenon that hardens, to greatly extend filtrate service life, reduce operating cost.
The accompanying drawing explanation
The structural representation that Fig. 1 is oil-containing sewage filter of the present invention.
The specific embodiment
Filter method below in conjunction with the drawings and specific embodiments to oil-containing sewage filter of the present invention and oil-polluted water is described in further detail.
As shown in the figure, oil-containing sewage filter of the present invention, the water inlet 6 that comprises tank body 3 and be arranged on the tank body middle part, the top of tank body 3 also is provided with interface instrument 14, and the tank body below is provided with liquid level gauge 18, tank body 3 inside be provided with and tank wall between form the eddy flow dividing plate 4 in annular eddy flow district, eddy flow dividing plate 4 inboards are provided with the perforation net 5 that forms the filtrate fill area, have horizontally disposed and the filtrate fill area can be divided into to upper and lower two-part perforation pressing plate 15 in perforation net 5, filtrate fill area top and top, eddy flow district are the oil slick accumulation regions, and filtrate fill area bottom is the silt accumulation regions, be provided with the double end multi-stage cylinder 12 that can conveniently overhaul that control punch pressing plate 15 moves up and down in tank body 3, the end socket arm 13 that is outside equipped with connection double end multi-stage cylinder of tank body 3, for meeting more than instructions for use double end multi-stage cylinder is at least two-stage, the upper end of double end multi-stage cylinder 12 is arranged on the top of tank body 3, and lower end is connected and fixed with perforation pressing plate 15, the top of tank body 3 also is provided with the unicom pipeline of UNICOM's eddy flow district and filtrate fill area, is provided with UNICOM's fuel tap 2 and draining valve 1 on described unicom pipeline, the oil slick on top, eddy flow district can enter in the oil slick accumulation regions on filtrate fill area top by unicom pipeline, and the bottom of tank body 3 is provided with a backwash drain 20, also be provided with the water outlet collecting system in the filtrate fill area, the water outlet collecting system comprises the water collector 16 that is arranged on filtrate fill area inside, the lower end of water collector 16 is connected with stretches out the outer outlet pipe 19 of tank body, also be provided with air motor 17 on outlet pipe 19, be provided with motor air inlet pipeline and motor outlet pipe on air motor 17, motor air inlet pipeline and motor outlet pipe are respectively arranged with motor intake valve 11 and motor air bleeding valve 8, the offgas duct 7 that also comprises one section connecting motor air inlet pipeline and motor outlet pipe, be provided with one section pipeline with air inlet 10 between offgas duct 7 and motor intake valve 11, be provided with intake valve 9 simultaneously on this section pipeline.
Agitating mode of the present invention can adopt hydraulic pressure and electric stirring simultaneously, and oil extraction is not in the situation that have interface instrument can adopt regularly oil extraction mode.
In equipment of the present invention, due to tank body 3 inside, be provided with and tank wall between form the eddy flow dividing plate 4 in annular eddy flow district, eddy flow dividing plate 4 inboards are provided with the perforation net 5 that forms unsettled filtrate fill area, have horizontally disposed and the filtrate fill area can be divided into to upper and lower two-part perforation pressing plate 15 in perforation net 5, filtrate fill area top and top, eddy flow district are the oil slick accumulation regions, and filtrate fill area bottom is the silt accumulation regions; Arrange and make it adopt the cyclone sieve integrated technique thus, and there is detailed subregion in tank body, make oil slick, silt there is disposal site, for the oil-polluted water characteristics, design for filtration elements oil slick and silt are removed to technique, filter interior design oil slick accumulation regions is also controlled timely oil extraction by the interface instrument, filter bottom design silt and proportion are greater than the contaminants district of water, regularly silt is discharged, silt is effectively removed in situation about not contacting with filtrate with oil slick, thereby reduce the pollution to filtrate, extended filtrate service life; Eddy flow dividing plate 4 inboards are provided with the perforation net 5 that forms unsettled filtrate fill area, adopt the unsettled design of filtrate, allow the trapped substance on filtrate more easily break away from from filter material surface when backwash; The filtrate backwash adopts pneumatic pressure to stir the full emptying technique of technique and backwashing water bottom, thereby backwashing water energy consumption and backwashing water consumption have been reduced, the regeneration effect that filtrate is unsettled, employing that force the full emptying technique of stirring and backwash bottom can improve filtrate greatly, avoided the phenomenon that hardens, to greatly extend filtrate service life, reduce operating cost.
Filtering oily sewage method based on oil-containing sewage filter of the present invention comprises the following steps:
A, preprocessing process;
Pass into sewage from the water inlet at tank body middle part, sewage is rotated in the eddy flow district, realize that under turning effort heavy silt goes downwards to the silt accumulation regions along tank wall, oil slick floats to the oil slick accumulation regions along the eddy flow dividing plate, realizes the pretreatment of oil slick and silt;
B, processing procedure;
Under multi-stage cylinder, the pressure handle filtrate compresses, after the water outlet of eddy flow district, by the perforation net, through filtrate, also the particle that is greater than 2 microns in water is all held back, water after filtration is discharged by outlet pipe by water collector, the oil slick on top, eddy flow district enters the oil slick accumulation regions on filtrate fill area top by oily coupling cock, detect in real time core intersection control draining valve by the interface instrument arranged and in time oil slick is discharged; Silt enters the silt accumulation regions and discharges by bottom backwash drain;
C, backwash process;
1. at first open draining valve, after the oil slick discharge, closing draining valve;
2. open backwash drain valve, the emptying complete drain valve of closing of silt accumulation regions pollutant;
3. closing water inlet stops into water, the delivery port of closing outlet pipe stops water outlet, with multi-stage cylinder, the perforation pressing plate is mentioned, again open draining valve, by air inlet, enter Compressed Gas (natural gas or nitrogen), open intake valve filtrate is stirred after loose and closes, open air motor air intake valve and drain tap, control the motor mixing time by PLC, setting-up time is closed air motor air intake valve and drain tap after finishing;
4. open the backwash drain, emptying water in tank body, under multi-stage cylinder in the pressure handle filtrate water extruding discharge, push completely, on multi-stage cylinder, carry, the backwash drain is closed;
5. open delivery port, by hydraulic pressure in pipeline, hydraulic pressure is got back in filtering tank, control water level by interface instrument, after reaching, water level closes outlet valve, and then open air motor air intake valve and drain tap, control the motor mixing time by PLC, setting-up time is closed air motor air intake valve and drain tap after finishing;
6. again open the backwash drain, emptying water in tank body, under multi-stage cylinder in the pressure handle filtrate water extruding discharge, push completely, on multi-stage cylinder, carry, the backwash drain is closed;
7. backwash is complete, opens draining valve, and multi-stage cylinder presses down, and opens outlet valve, after water level reaches, closes draining valve, opens water inlet valve
8. above-mentioned steps restarts new filter process after finishing.
By above-mentioned repeatedly to valve opening and closing, the processing method of repeatedly rinsing, in conjunction with the present invention specially for the structure of oil slick silt processing, make the filtrate backwash more abundant, stopped the filtrate phenomenon that hardens, saved water during backwash, also just saved water resource, be conducive to promote the use of.
Claims (8)
1. an oil-containing sewage filter, the water inlet (6) that comprises tank body (3) and be arranged on the tank body middle part, it is characterized in that: described tank body (3) inside be provided with and tank wall between form the eddy flow dividing plate (4) in annular eddy flow district, described eddy flow dividing plate (4) inboard is provided with the perforation net (5) that forms the filtrate fill area, have horizontally disposed and the filtrate fill area can be divided into to upper and lower two-part perforation pressing plate (15) in perforation net (5), filtrate fill area top and top, eddy flow district are the oil slick accumulation regions, and filtrate fill area bottom is the silt accumulation regions; Be provided with the cylinder (12) that control punch pressing plate (15) moves up and down in described tank body (3), the upper end of described cylinder (12) is arranged on the top of tank body (3), and lower end is connected and fixed with perforation pressing plate (15); The top of described tank body (3) also is provided with the unicom pipeline of UNICOM's eddy flow district and filtrate fill area, is provided with UNICOM's fuel tap (2) and draining valve (1) on described unicom pipeline; The oil slick on top, described eddy flow district can enter in the oil slick accumulation regions on filtrate fill area top by unicom pipeline, and the bottom of described tank body (3) is provided with a backwash drain (20).
2. according to oil-containing sewage filter claimed in claim 1, it is characterized in that: the top of described tank body (3) also is provided with interface instrument (14).
3. according to oil-containing sewage filter claimed in claim 1, it is characterized in that: described tank body below is provided with liquid level gauge (18).
4. according to oil-containing sewage filter claimed in claim 1, it is characterized in that: described cylinder (12) is multi-stage cylinder, the end socket arm (13) that is outside equipped with the connection multi-stage cylinder of described tank body (3).
5. according to oil-containing sewage filter claimed in claim 1, it is characterized in that: in described filtrate fill area, also be provided with the water outlet collecting system.
6. according to oil-containing sewage filter claimed in claim 5, it is characterized in that: described water outlet collecting system comprises the water collector (16) that is arranged on filtrate fill area inside, the lower end of described water collector (16) is connected with stretches out the outer outlet pipe (19) of tank body, also is provided with air motor (17) on described outlet pipe (19).
7. according to oil-containing sewage filter claimed in claim 6, it is characterized in that: be provided with motor air inlet pipeline and motor outlet pipe on described air motor (17), described motor air inlet pipeline and motor outlet pipe are respectively arranged with motor intake valve (11) and motor air bleeding valve (8), the offgas duct (7) that also comprises one section connecting motor air inlet pipeline and motor outlet pipe, be provided with one section pipeline with air inlet (10) between described offgas duct (7) and motor intake valve (11).
8. the filtering oily sewage method of an oil-containing sewage filter is characterized in that comprising the following steps:
A, preprocessing process;
Pass into sewage from the water inlet at tank body middle part, sewage is rotated in the eddy flow district, realize that under turning effort heavy silt goes downwards to the silt accumulation regions along tank wall, oil slick floats to the oil slick accumulation regions along the eddy flow dividing plate, realizes the pretreatment of oil slick and silt;
B, processing procedure;
Under multi-stage cylinder, the pressure handle filtrate compresses, after the water outlet of eddy flow district, by the perforation net, through filtrate and the particle that is greater than micron in water, all hold back, water after filtration is discharged by outlet pipe by water collector, the oil slick on top, eddy flow district enters the oil slick accumulation regions on filtrate fill area top by oily coupling cock, detect in real time core intersection control draining valve by the interface instrument arranged and in time oil slick is discharged; Silt enters the silt accumulation regions and discharges by bottom backwash drain;
C, backwash process;
1. at first open draining valve, after the oil slick discharge, closing draining valve;
2. open backwash drain valve, the emptying complete drain valve of closing of silt accumulation regions pollutant;
3. closing water inlet stops into water, the delivery port of closing outlet pipe stops water outlet, with multi-stage cylinder, the perforation pressing plate is mentioned, again open draining valve, by air inlet, enter Compressed Gas, open intake valve filtrate is stirred after loose and closes, open air motor air intake valve and drain tap, control the motor mixing time by PLC, setting-up time is closed air motor air intake valve and drain tap after finishing;
4. open the backwash drain, emptying water in tank body, under multi-stage cylinder in the pressure handle filtrate water extruding discharge, push completely, on multi-stage cylinder, carry, the backwash drain is closed;
5. open delivery port, by hydraulic pressure in pipeline, hydraulic pressure is got back in filtering tank, control water level by interface instrument, after reaching, water level closes outlet valve, and then open air motor air intake valve and drain tap, control the motor mixing time by PLC, setting-up time is closed air motor air intake valve and drain tap after finishing;
6. again open the backwash drain, emptying water in tank body, under multi-stage cylinder in the pressure handle filtrate water extruding discharge, push completely, on multi-stage cylinder, carry, the backwash drain is closed;
7. backwash is complete, opens draining valve, and multi-stage cylinder presses down, and opens outlet valve, after water level reaches, closes draining valve, opens water inlet valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210156289.7A CN103418183B (en) | 2012-05-18 | 2012-05-18 | Oil-containing sewage filter and filter method |
| PCT/CN2013/075856 WO2013170792A1 (en) | 2012-05-18 | 2013-05-18 | Oily wastewater filter and filtering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210156289.7A CN103418183B (en) | 2012-05-18 | 2012-05-18 | Oil-containing sewage filter and filter method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103418183A true CN103418183A (en) | 2013-12-04 |
| CN103418183B CN103418183B (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210156289.7A Active CN103418183B (en) | 2012-05-18 | 2012-05-18 | Oil-containing sewage filter and filter method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103418183B (en) |
| WO (1) | WO2013170792A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670337A (en) * | 2017-09-26 | 2018-02-09 | 深圳市蓝石环保科技有限公司 | The pumpback control method of liquid separator and liquid separator |
| CN109276943A (en) * | 2018-11-13 | 2019-01-29 | 中国北方稀土（集团）高科技股份有限公司 | The devices and methods therefor of ammonium bicarbonate solution removal of impurities oil removing |
| CN112604330A (en) * | 2020-12-08 | 2021-04-06 | 西安建筑科技大学 | Upward-flow floating type light filter material filter tank |
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| CN202778086U (en) * | 2012-05-18 | 2013-03-13 | 深圳市比斯坦科技有限公司 | Oily sewage filter and filtering method |
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| JPH08281006A (en) * | 1995-04-17 | 1996-10-29 | Nok Corp | Oil separator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670337A (en) * | 2017-09-26 | 2018-02-09 | 深圳市蓝石环保科技有限公司 | The pumpback control method of liquid separator and liquid separator |
| CN107670337B (en) * | 2017-09-26 | 2022-11-22 | 深圳市蓝石环保科技有限公司 | Liquid separator and method for controlling back-pumping of liquid separator |
| CN109276943A (en) * | 2018-11-13 | 2019-01-29 | 中国北方稀土（集团）高科技股份有限公司 | The devices and methods therefor of ammonium bicarbonate solution removal of impurities oil removing |
| CN112604330A (en) * | 2020-12-08 | 2021-04-06 | 西安建筑科技大学 | Upward-flow floating type light filter material filter tank |
| CN112604330B (en) * | 2020-12-08 | 2022-08-02 | 西安市城区市政设施养护管理有限公司 | Upward-flow floating type light filter material filter tank |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013170792A1 (en) | 2013-11-21 |
| CN103418183B (en) | 2016-09-21 |
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