CN201386031Y - Device for insulating sewage from floating oil - Google Patents

Device for insulating sewage from floating oil Download PDF

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Publication number
CN201386031Y
CN201386031Y CN200920080507U CN200920080507U CN201386031Y CN 201386031 Y CN201386031 Y CN 201386031Y CN 200920080507 U CN200920080507 U CN 200920080507U CN 200920080507 U CN200920080507 U CN 200920080507U CN 201386031 Y CN201386031 Y CN 201386031Y
Authority
CN
China
Prior art keywords
water
oil
sewage
oblique conduit
dividing plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN200920080507U
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Chinese (zh)
Inventor
陈立荣
蒋学彬
李辉
张敏
黄敏
刘安宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNPC Chuanqing Drilling Engineering Co Ltd
Original Assignee
CNPC Chuanqing Drilling Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CNPC Chuanqing Drilling Engineering Co Ltd filed Critical CNPC Chuanqing Drilling Engineering Co Ltd
Priority to CN200920080507U priority Critical patent/CN201386031Y/en
Application granted granted Critical
Publication of CN201386031Y publication Critical patent/CN201386031Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a device for insulating sewage from floating oil, and relates to the technical field of design of oily sewage disposal facilities. The device comprises a separation tank and a conduit, wherein the separation tank comprises a grit chamber, an oil separating tank and a water storage tank; and clapboards are arranged among the grit chamber, the oil separating tank and the water storage tank and respectively provided with water inlet inclined conduits and water outlet conduits. The utility model changes the design method of an oil separating inclined tube and provides the device for insulating the sewage from the floating oil, thus achieving the aim of separating and removing the floating oil in the sewage; a plurality of times of experiments prove that under the condition of adding no additive for increasing the solubility of the oil, and the device can reduced the oil content of the sewage with the oil content of 30-100mg/L to be below 5mg/L, thus reaching GB8978-1996 first class discharge standard, and realizing the discharge reaching the standard.

Description

Sewage oil slick disrupter
Technical field:
A kind of sewage oil slick disrupter is used for the oil slick sewage is effectively isolated, and relates to the technical field of oily water treatment facility.
Background technology:
Oily(waste)water is ubiquitous in work, life, with oil be power machinery in use, there are the run, drip, leak of oil, therefore, in routine duties, it also is very common mixing the oily(waste)water that forms with sewage, particularly concentrates the mechanical means flushing of carrying out, the greasy dirt that cleans mixes a large amount of oily(waste)water of formation, careless slightly will environment being polluted flow container with water; Oil in the sewage generally has three kinds to have form: oil slick, oil in water emulsion, dissolving oil, wherein oil slick is the major portion of oleaginousness in the oily(waste)water, also is that pollution hazard is the most serious simultaneously, and oil slick discrete particles in waste water is bigger, particle diameter is easy to separate from sewage greater than 100 μ m; If oil slick is not removed, enter water body and form oil film, will hinder airborne oxygen and enter water body, the water reoxygenation ability will reduce, and the fish in the water body is dead because of lacking of oxygen, and causes water body blackening under anaerobic, fouling, makes water quality deterioration; The place that the oily(waste)water generation is bigger is refinery factory and large-scale mechanical workout manufactory, large-scale catering industry, large-scale service station etc., and these places all have the treatment facility of oily(waste)water at present, and the oil slick in the sewage is collected, and treatment effect is also better; But ubiquitous small-sized machine processing manufacturing industry, small-sized catering trade, the oily(waste)water that compact gasoline station etc. produce, sewage quantity is less, because treatment facility cost height, be difficult to concentrate the facilities and equipments processing, efflux and can not reach discharging standards, therefore, these local great majority only are built with the oil trap of several civil engineerings at present, and the inclined tube oil removal method of employing low in and high out, it is stored and simple the processing, though these methods have certain removal effect to oil slick in the sewage, but oil slick mainly is in first pond that rests in several oil traps, and first pond generally is the flow that is used to regulate sewage, plays buffering and sand setting effect, and area is relatively large, so stay the bad collection of oil slick of the inside, when the big situation of the water yields such as heavy rain season, will be easy to cause in the pond oil slick excessive, pollution is caused serious environmental.
Summary of the invention:
The purpose of this utility model is at prior art problems, by changing the method for oil removal inclined tube design, provides a kind of and can reach the sewage oil slick disrupter that effectively excludes oil slick in the sewage.
The utility model is achieved in that the utility model comprises separate tank and aqueduct, it is characterized in that: described separate tank is a rectangular configuration that has the bottom surface, comprise settling pit, oil trap and water reservoir, between settling pit, oil trap and water reservoir, be respectively arranged with dividing plate, on described dividing plate, be respectively arranged with the oblique conduit of water-in and water-out;
The oblique conduit of described water inlet is installed on the dividing plate between settling pit and the oil trap, and entrance end is last, and exit end is down, and gradient is 45 °~50 °;
The oblique conduit of described water outlet is installed on the dividing plate between oil trap and the water reservoir, and entrance end is downward, exit end upwards, gradient is 45 °~50 °;
Two dividing plates that are provided with respectively between described settling pit, oil trap and the water reservoir are than the high 50~100mm of dividing plate on four limits;
The end face of the entrance end of the oblique conduit of water inlet of described setting is lower than the end face of rectangular configuration four side partitions, and the end face of the entrance end of the oblique conduit of intaking is than the high 50~100mm of end face of the oblique conduit outlet end of water outlet;
On the dividing plate that is provided with respectively between described settling pit, oil trap and the water reservoir, the oblique conduit of water-in and water-out together can be installed respectively, the oblique conduit of 2~4 road water-in and water-out also can respectively be installed;
According to sewage oil slick disrupter of rectangular configuration design, separate tank is divided into settling pit, oil trap and water reservoir, the dividing plate that twice are higher than four limits is set respectively between settling pit, oil trap and water reservoir, and the oblique conduit of water-in and water-out is set on dividing plate, be convenient to the sewage of sewage in disrupter and separate with the oil end;
Principle of the present utility model is:
Utilize at the bottom of oil and the water-mass density differently, its principle is expressed as follows formula:
u = ( ρ s - ρ r ) 8 g d 2 18 μ
U-oil product ascent rate in the formula, m/s;
ρ sThe density of-oil product, kg/m 3
ρ r-density of liquid, kg/m 3
D-oil product particle diameter, m;
μ-liquid viscosity, Pas;
Therefore, in oil trap, relative density floats to the pond face less than 1 oil product, and by being communicated with at the bottom of the oblique conduit of water-in and water-out, reaches the purpose of final oily water separation;
Beneficial effect is at the bottom of the utility model: through test of many times, under the situation that does not add the additive that makes oily emulsification and increase oily solubleness, with sewage at the bottom of the oil-containing by device at the bottom of the utility model, the oil content of wastewater of oleaginousness at the oily(waste)water of 30~100mg/L can be dropped to below the 5mg/L, contain oil index and reach " integrated wastewater discharge standard " (GB8978-1996) primary standard, realized sewage effluent contain aspect the oil index up to standard.
Description of drawings:
Fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is a plan structure synoptic diagram of the present utility model.
Embodiment:
Provide embodiment of the present utility model below in conjunction with accompanying drawing: the utility model comprises separate tank and aqueduct, separate tank is a rectangular configuration that has the bottom surface, comprise settling pit 7, oil trap 8 and water reservoir 9, between settling pit 7, oil trap 8 and water reservoir 9, be respectively arranged with dividing plate 3 and 4, on dividing plate 3 and 4, be respectively arranged with the oblique conduit 2 of water-in and water-out and 5, the oblique conduit 2 of intaking is installed on the dividing plate 3 between settling pit 7 and the oil trap 8, intake the entrance end of oblique conduit 2 last, exit end is following, and it is 45 °~50 ° that gradient is installed; The oblique conduit 5 of water outlet is installed on the dividing plate 4 between oil trap 8 and the water reservoir 9, and the entrance end of the oblique conduit 5 of water outlet is downward, exit end upwards, it is 45 °~50 ° that gradient is installed; Two dividing plates 3 that between settling pit 7, oil trap 8 and water reservoir 9, are provided with respectively and the dividing plate 1 high 50~100mm on 4 to four limits; The end face of the entrance end of the oblique conduit 2 of water inlet that is provided with is lower than the end face of the dividing plate 1 on rectangular configuration four limits, and the end face of the entrance end of the oblique conduit 5 of intaking is than the high 50~100mm of end face of oblique conduit 5 exit end of water outlet; For the situation that prevents that flow from overflowing more greatly, can the oblique conduit of water-in and water-out can respectively be installed on 4 at the dividing plate 3 that is provided with respectively between settling pit 7, oil trap 8 and the water reservoir 9, the oblique conduit of 2~4 road water-in and water-out also can respectively be installed;
It is less that the utility model is specially adapted to the oily(waste)water generation, based on the place of oil slick, is applicable to that also with oil slick be the bigger place of main sewage quantity;
During use, oily(waste)water is at first by pipeline input settling pit 7, when the height of liquid level arrives the entrance end of the oblique conduit 5 of water inlet that is provided with, liquid will enter oil trap 8 by the import of the oblique conduit 5 of intaking, heavier material is then stayed in the settling pit 7, because floating over top mainly is greasy dirt, so what flow into oil trap 8 comprises oil slick and sewage, after the sewage that has an oil slick enters oil trap 8, the oil slick come-up, because the water-in of the oblique conduit 5 of water outlet that is provided with is downward, and water outlet is upwards, so, stay the water-in of following water by the oblique conduit 5 of water outlet that is provided with by the inclined tube overflow to water reservoir 9, and supernatant oil slick has just been stayed in the oil trap 8, finally flows into precipitation and the oil extraction of the water of water reservoir 9 by two ponds, front, and water up to standard is discharged by outlet 6; When throw out reach a certain height in settling tank 7, can temporarily stop the input of sewage, will begin to remove the smeary program again behind solid matter in settling tank 7 and the oil trap 8 and the oil removal told;
The oblique conduit 2 of water-in and water-out and 5 that is provided with can be pvc pipe or steel pipe, available round tube, also available rectangular pipe;
During making, during as consideration road sewage lagoon oil-contg condition with higher, can adopt the novel mode of carrying out series design of this use, 2~3 devices of the present utility model of contacting are realized the multistage smeary target that excludes, the setting of each several part and installation and one identical.

Claims (6)

1. a sewage oil slick disrupter comprises separate tank and aqueduct, it is characterized in that: described separate tank is a rectangular configuration that has the bottom surface, comprise settling pit, oil trap and water reservoir, between settling pit, oil trap and water reservoir, be respectively arranged with dividing plate, on described dividing plate, be respectively arranged with the oblique conduit of water-in and water-out.
2. sewage oil slick disrupter according to claim 1 is characterized in that: the oblique conduit of described water inlet is installed on the dividing plate between settling pit and the oil trap, and entrance end is last, and exit end is down, and gradient is 45 °~50 °.
3. sewage oil slick disrupter according to claim 1 is characterized in that: the oblique conduit of described water outlet is installed on the dividing plate between oil trap and the water reservoir, and entrance end is downward, exit end upwards, gradient is 45 °~50 °.
4. sewage oil slick disrupter according to claim 1 is characterized in that: two dividing plates that are provided with respectively between described settling pit, oil trap and the water reservoir are than the high 50~100mm of dividing plate on four limits.
5. sewage oil slick disrupter according to claim 1, it is characterized in that: the end face of the entrance end of the oblique conduit of water inlet of described setting is lower than the end face of rectangular configuration four side partitions, and the end face of the entrance end of the oblique conduit of intaking is than the high 50~100mm of end face of the oblique conduit outlet end of water outlet.
6. sewage oil slick disrupter according to claim 1 is characterized in that: on the dividing plate that is provided with respectively between described settling pit, oil trap and the water reservoir the oblique conduit of water-in and water-out together can be installed respectively, the oblique conduit of 2~4 road water-in and water-out also can respectively be installed.
CN200920080507U 2009-04-30 2009-04-30 Device for insulating sewage from floating oil Expired - Fee Related CN201386031Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200920080507U CN201386031Y (en) 2009-04-30 2009-04-30 Device for insulating sewage from floating oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200920080507U CN201386031Y (en) 2009-04-30 2009-04-30 Device for insulating sewage from floating oil

Publications (1)

Publication Number Publication Date
CN201386031Y true CN201386031Y (en) 2010-01-20

Family

ID=41578559

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200920080507U Expired - Fee Related CN201386031Y (en) 2009-04-30 2009-04-30 Device for insulating sewage from floating oil

Country Status (1)

Country Link
CN (1) CN201386031Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103359846A (en) * 2013-08-08 2013-10-23 河南城建学院 Oily wastewater treatment system and process for treating oily wastewater by using same
CN105198038A (en) * 2014-06-26 2015-12-30 江苏天地化纤有限公司 Oil-water separation device for oily wastewater in chemical fiber production

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103359846A (en) * 2013-08-08 2013-10-23 河南城建学院 Oily wastewater treatment system and process for treating oily wastewater by using same
CN103359846B (en) * 2013-08-08 2014-10-22 河南城建学院 Oily wastewater treatment system and process for treating oily wastewater by using same
CN105198038A (en) * 2014-06-26 2015-12-30 江苏天地化纤有限公司 Oil-water separation device for oily wastewater in chemical fiber production

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100120

Termination date: 20170430