CN103908801B - Water-oil separating retracting device - Google Patents
Water-oil separating retracting device Download PDFInfo
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- CN103908801B CN103908801B CN201410128968.2A CN201410128968A CN103908801B CN 103908801 B CN103908801 B CN 103908801B CN 201410128968 A CN201410128968 A CN 201410128968A CN 103908801 B CN103908801 B CN 103908801B
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Abstract
The present invention relates to field of environment protection equipment.Water-oil separating retracting device, mainly comprise water-oil separating room and coupled liquid feeding pump, electrostatic generator, back washing device and oil interceptor, back washing device comprises pulse water tank, backwashing pump and time control valve, extracts clean liquid enter pulse water tank by backwashing pump; The top of water-oil separating room is provided with oil-water mixture import and oil reclaims outlet, and the bottom of water-oil separating room is provided with backwash liquid outlet, sewage draining exit and clean liquid outlet; Water-oil separating indoor are provided with Gravity Separation swash plate and electrostatic metal filter screen; Water-oil separating room is reclaimed outlet by oil and is connected oil interceptor, and the top of oil interceptor is provided with oil drain out, and the bottom of oil interceptor is provided with leakage fluid dram.The advantage of this water-oil separating retracting device is novel structure, and water-oil separating efficiency is high, and do not destroy oil molecule structure in water-oil separating and removal process, oil water separation process completes automatically, uses simple and cost is low.
Description
Technical field
The present invention relates to field of environment protection equipment, especially a kind of device water-oil separating reclaimed.
Background technology
Industrial production needs carry out the industry such as water-oil separating, particularly nonferrous smelting, catering trade, petrochemical industry to oil water mixture, oil and water are undissolved two class I liquid Is mutually, must be separated with environmental requirement according to technique.The method that water-oil separating is commonly used has gravitational method, centrifugal process, floatation, electricity de-method, ultrasonic dehydration method and method of chemical treatment etc.But it is low or destroy oil molecule structure and make the oil of recovery can not reach the problem reclaiming the standard used to there is oil removal efficiency in existing water-oil separating, oil removal efficiency is low to be just difficult to the requirement reached except oil standard and cannot to realize recycling, destroying oil molecule structure makes the oil of recovery can not reach the standard reclaiming and use, and therefore all can cause very large waste.Efficiency and the quality of tradition water-oil separating have direct correlation to production cost and product quality, and existing water-oil separating is equipped because structure is different with operation principle, and its efficiency and product quality often have very large difference.In nonferrous smelting, hydrometallurgy " liquid---liquid " extraction and back-extraction gets the process section of oily water separation technique equipment, and the oil in extraction oil-containing water solution is generally divided into four kinds of forms, suspended oil, dispersed oil, oil emulsion and dissolved oil.The oil removing of sewage from catering business adopts traditional oil removal method mostly, its general principle utilizes oil different from the proportion of water, under certain time of staying, grease virtue of buoyancy in sewage rises naturally, thus reach the effect of water-oil separating, there is following distinct disadvantage in traditional oil removal method: 1 oil-water separation is poor; 2 oil slick cleanings are inconvenient and cause environmental pollution; 3 because of the problem such as place and environmental sanitation, and indoor inconvenience arranges oil interceptor, and therefore most of oil interceptor is all disposed in the outdoor, and it is outdoor often because of the anxiety of land used, cause oil interceptor and food and drink to arrange or to take public land nearby, thus increase duct length, improve construction costs; 4 easily cause line clogging, dredge and safeguard blow-off line, wasting manpower and material resources's financial resources; Oil slick in 5 oil interceptors can run off, and wastes larger.
Summary of the invention
In order to solve the deficiency that above-mentioned existing water-oil separating exists, the object of this invention is to provide a kind of novel structure, water-oil separating efficiency is high, does not destroy oil molecule structure in water-oil separating and removal process, uses simple and that cost is low water-oil separating retracting device.
In order to realize above-mentioned object, present invention employs following technical scheme:
Water-oil separating retracting device, mainly comprise water-oil separating room and coupled liquid feeding pump, electrostatic generator, back washing device and oil interceptor, back washing device comprises pulse water tank, backwashing pump and time control valve, time control valve is arranged on pulse water tank, backwashing pump is connected with pulse water tank, extract clean liquid by backwashing pump and enter pulse water tank, the water outlet of pulse water tank is in the top of water-oil separating room; The top of water-oil separating room is provided with oil-water mixture import and oil reclaims outlet, the bottom of water-oil separating room is provided with backwash liquid outlet, sewage draining exit and clean liquid outlet, Location for Sewage is in the bottom of water-oil separating room, extracts pending oil mixing with water liquid enter water-oil separating indoor by liquid feeding pump; Water-oil separating indoor are provided with Gravity Separation swash plate and electrostatic metal filter screen, Gravity Separation swash plate is in the top of electrostatic metal filter screen, oil-water mixture import and oil reclaim the top that exit position is in Gravity Separation swash plate, and electrostatic generator is connected with electrostatic metal filter screen; Water-oil separating room is reclaimed outlet by oil and is connected oil interceptor, and the top of oil interceptor is provided with oil drain out, and the bottom of oil interceptor is provided with leakage fluid dram.
Have employed the water-oil separating retracting device of technique scheme, oil-water mixture enters the Gravity Separation swash plate of water-oil separating indoor, reclaim outlet by the light phase fluid that gravitational separation process is lighter by oil and enter oil interceptor, light phase fluid passes through Gravity Separation again at oil interceptor, oil phase discharges the recovery realizing oil through oil drain out, liquid phase is discharged through leakage fluid dram and reclaimed; Another part heavy-phase liquid after Gravity Separation swash plate is separated proceeds to be separated by electrostatic metal filter screen, oil emulsion in solution and dissolved oil are easy to be adsorbed by the electrostatic metal filter screen with electrostatic, separate from solution, top is floated to after the oil particles combination change of adsorption treatment is large, enter oil interceptor by oil recovery outlet and achieve water-oil separating recovery, clean liquid through adsorption treatment is discharged by clean liquid outlet, and other larger impurity is discharged through sewage draining exit by gravitational settling.By back washing device timing purification water-oil separating room, improve the efficiency of water-oil separating.In sum, the advantage of this water-oil separating retracting device is novel structure, and water-oil separating efficiency is high, and do not destroy oil molecule structure in water-oil separating and removal process, oil water separation process completes automatically, uses simple and cost is low.
Accompanying drawing explanation
Fig. 1: structural representation of the present invention.
Detailed description of the invention
Below in conjunction with Fig. 1, the specific embodiment of the present invention is made a detailed explanation.
Water-oil separating retracting device as shown in Figure 1, mainly comprises water-oil separating room 1 and coupled liquid feeding pump 15, electrostatic generator 3, back washing device and oil interceptor 8.
Back washing device comprises pulse water tank 4, backwashing pump 13 and time control valve, time control valve is arranged on pulse water tank 4, backwashing pump 13 is connected with pulse water tank 4, extract clean liquid such as running water by backwashing pump 13 and enter pulse water tank 4, the top of water outlet in water-oil separating room 1 of pulse water tank 4.The top of water-oil separating room 1 is provided with oil-water mixture import 2 and oil reclaims outlet 6, the bottom of water-oil separating room 1 is provided with backwash liquid outlet 14, sewage draining exit 12 and clean liquid outlet 11, sewage draining exit 12 position is in the bottom of water-oil separating room 1, extracts pending oil mixing with water liquid enter in water-oil separating room 1 by liquid feeding pump 15.Gravity Separation swash plate 5 and electrostatic metal filter screen 7 is provided with in water-oil separating room 1, Gravity Separation swash plate 5 is in the top of electrostatic metal filter screen 7, oil-water mixture import 2 and oil reclaim the top that outlet 6 position is in Gravity Separation swash plate 5, and electrostatic generator 3 is connected with electrostatic metal filter screen 7.Water-oil separating room 1 is reclaimed outlet 6 by oil and is connected oil interceptor 8, and the top of oil interceptor 8 is provided with oil drain out 9, and the bottom of oil interceptor 8 is provided with leakage fluid dram 10.
During use, liquid feeding pump 15 starts, pending oil mixing with water liquid enters in water-oil separating room 1 by oil-water mixture import 2, oil mixing with water liquid is carried out gravity process by Gravity Separation swash plate 5, lighter light phase fluid reclaims outlet 6 through Gravity Separation floating by oil and enters oil interceptor 8, light phase fluid is again by Gravity Separation in oil interceptor 8, and the oil that namely oil phase achieves water-oil separating discharges realization recovery through oil drain out 9, and liquid phase is discharged through leakage fluid dram 10 and reclaimed.Another part heavy-phase liquid after Gravity Separation swash plate is separated proceeds to be separated by electrostatic metal filter screen 7, specifically electrostatic generator 3 controls electrostatic metal filter screen 7 and produces electrostatic, heavy-phase liquid is after electrostatic metal filter screen 7, oil emulsion in solution and dissolved oil are easy to be adsorbed by the electrostatic metal filter screen 7 with electrostatic, separate from solution, top is floated to after the oil particles combination change of adsorption treatment is large, reclaim outlet 6 by oil and enter oil interceptor 8, again Gravity Separation is passed through in oil interceptor 8, oil is discharged through oil drain out 9 and is realized reclaiming, liquid is discharged through leakage fluid dram 10 and is reclaimed.Clean liquid through adsorption treatment is discharged by clean liquid outlet 11, and other larger impurity is discharged through sewage draining exit 12 by gravitational settling.Water-oil separating retracting device is after work after a while, in order to the operating efficiency of the efficiency especially electrostatic metal filter screen 7 that ensures water-oil separating efficiency, by back washing device, cleaning is carried out to water-oil separating room 1, specifically clean liquid enters pulse water tank 4 by backwashing pump 13, in pulse water tank 4, time control valve is housed, by setting-up time such as 1-24 hour for the cycle carries out backwash.Namely the water-oil separating separative efficiency being exported the liquid assay water-oil separating retracting device of 11 discharges by clean liquid discharges the oil content of liquid, the oil content of discharging liquid can be controlled by the time of staying of oil mixing with water liquid in water-oil separating room 1 and oil interceptor 8, the such as time of staying within 60 minutes general water outlet oil content at about 5PPM, the time of staying at about 90 minutes water outlet oil-containings at about 3PPM, the time of staying, within about 120 minutes, at about 1PPM, the time of staying can reach the deoiling effect of below 0.5PPM more than 150 minutes again.
Claims (1)
1. water-oil separating retracting device, it is characterized in that mainly comprising water-oil separating room and coupled liquid feeding pump, electrostatic generator, back washing device and oil interceptor, back washing device comprises pulse water tank, backwashing pump and time control valve, time control valve is arranged on pulse water tank, backwashing pump is connected with pulse water tank, extract clean liquid by backwashing pump and enter pulse water tank, the water outlet of pulse water tank is in the top of water-oil separating room; The top of water-oil separating room is provided with oil-water mixture import and oil reclaims outlet, the bottom of water-oil separating room is provided with backwash liquid outlet, sewage draining exit and clean liquid outlet, Location for Sewage is in the bottom of water-oil separating room, extracts pending oil mixing with water liquid enter water-oil separating indoor by liquid feeding pump; Water-oil separating indoor are provided with Gravity Separation swash plate and electrostatic metal filter screen, Gravity Separation swash plate is in the top of electrostatic metal filter screen, oil-water mixture import and oil reclaim the top that exit position is in Gravity Separation swash plate, and electrostatic generator is connected with electrostatic metal filter screen; Water-oil separating room is reclaimed outlet by oil and is connected oil interceptor, and the top of oil interceptor is provided with oil drain out, and the bottom of oil interceptor is provided with leakage fluid dram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128968.2A CN103908801B (en) | 2014-04-01 | 2014-04-01 | Water-oil separating retracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128968.2A CN103908801B (en) | 2014-04-01 | 2014-04-01 | Water-oil separating retracting device |
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| Publication Number | Publication Date |
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| CN103908801A CN103908801A (en) | 2014-07-09 |
| CN103908801B true CN103908801B (en) | 2015-10-21 |
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| CN201410128968.2A Active CN103908801B (en) | 2014-04-01 | 2014-04-01 | Water-oil separating retracting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107117763A (en) * | 2017-06-05 | 2017-09-01 | 南京工大环境科技有限公司 | Oil, water, mud separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0085847A1 (en) * | 1982-02-05 | 1983-08-17 | Combustion Engineering, Inc. | Method and apparatus for electrostatically and mechanically dehydrating oil field emulsions |
| CN2211844Y (en) * | 1995-01-09 | 1995-11-08 | 黄梅香 | Kidney type oil purifying device for lubrication oil |
| PL351182A1 (en) * | 2001-12-13 | 2003-06-16 | Abb Sp Zoo | Electrostatic separator |
| JP2007330951A (en) * | 2006-06-13 | 2007-12-27 | Fukuhara Co Ltd | Method and apparatus for separating foreign matter mainly comprising oil from oil-containing sewage |
| CN203777711U (en) * | 2014-04-01 | 2014-08-20 | 浙江中创环保设备有限公司 | Oil-water separating and recovering device |
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| C14 | Grant of patent or utility model | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Jiang Huazhong Inventor before: Shen Lezhong Inventor before: Luo Yunhan Inventor before: Shen Guanlin Inventor before: Shen Jianzhong |
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| TR01 | Transfer of patent right | ||
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Effective date of registration: 20171208 Address after: 224400 Funing Yancheng City County, Jiangsu Province Town Industrial Zone No. 288 ditch Patentee after: JIANGSU RSK RECYCLING TECHNOLOGY EQUIPMENT HOLDING CO., LTD. Address before: 314515 downstairs Village of Gaoqiao Town, Tongxiang City, Jiaxing, Zhejiang Province, 6 buildings Patentee before: ZHEJIANG ZHONGCHUANG ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. |