CN209835800U - Oil field operation effluent disposal system - Google Patents
Oil field operation effluent disposal system Download PDFInfo
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- CN209835800U CN209835800U CN201920516741.3U CN201920516741U CN209835800U CN 209835800 U CN209835800 U CN 209835800U CN 201920516741 U CN201920516741 U CN 201920516741U CN 209835800 U CN209835800 U CN 209835800U
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Abstract
The utility model discloses an oil field operation wastewater treatment system, which comprises a viscosity reduction pool for heating wastewater, a separation tank for separating wastewater and oil sludge and a clarification pool for clarifying wastewater, which are sequentially communicated; the utility model discloses a processing system carries out the oil gas mud separation with the waste water viscosity reduction back earlier, and waste water after the viscosity reduction is through subsiding and aerostatic treatment, and the abundant floater and the precipitate of detaching waste water improve waste water treatment efficiency.
Description
Technical Field
The utility model belongs to the technical field of oil field waste water treatment, concretely relates to oil field operation effluent disposal system.
Background
In the process of oil field and gas exploitation, a large amount of waste water is generated, the waste water contains oil, silt, organic matters and the like, and the waste water can be discharged and recycled after being correspondingly treated. The existing oil field operation wastewater treatment systems are more, but the treatment efficiency is low when the conventional treatment system is adopted for treatment due to the fact that the concentration of chemical substances in the high-oil-content wastewater is higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the defects in the prior art are overcome, and the oil field operation wastewater treatment system is provided.
In order to realize the purpose, the utility model discloses a technical scheme be: an oil field operation wastewater treatment system comprises a viscosity reduction pool for heating wastewater, a separation tank for separating wastewater and oil sludge and a clarification pool for clarifying wastewater, which are sequentially communicated;
the separation tank comprises a tank body and an oil scraping mechanism, the tank body is provided with a cavity, the inner wall of the tank body is provided with a first transverse plate, the tank body is divided into a first tank body and a second tank body from top to bottom by the first transverse plate, one end of the first tank body, away from the second tank body, is provided with a reversed funnel-shaped cover body, one end of the cover body, away from the first transverse plate, is provided with an overflow port, and the outer wall of the cover body is surrounded with a slag collecting groove;
a partition plate is arranged on one surface, close to the cover body, of the first transverse plate, the partition plate divides the cavity of the first tank body into a first cavity and a second cavity, and a gap is formed between the partition plate and the cover body so as to communicate the first cavity and the second cavity;
the first tank body is provided with an air inlet and an liquid outlet, the air inlet is communicated with the first cavity, the liquid outlet is communicated with the second cavity, the first transverse plate is provided with a plurality of first through holes, and the first through holes are communicated with the cavities of the first cavity and the second tank body;
the second tank body is provided with a liquid inlet and a sludge outlet, and the sludge outlet is positioned at one end of the second tank body far away from the first tank body;
the oil scraping mechanism comprises a first motor and an oil scraping plate, the first motor is erected at the top of the tank body, the oil scraping plate is located at the overflow port, and a conveying shaft of the first motor is connected with the oil scraping plate to drive the oil scraping plate to rotate.
Further, the viscosity reduction tank comprises a tank body, and a heating device and a stirring device which are arranged on the tank body;
the heating device comprises a heating resistance wire and a support rod, the heating resistance wire is spirally wound in the tank body, one end of the support rod is fixedly connected with the heating resistance wire, and the other end of the support rod is fixedly connected with the inner wall of the tank body;
the stirring device comprises a second motor and a stirring paddle, the second electrode is erected at the top of the pool body, and the stirring paddle is connected with an output shaft of the second motor.
Further, the clarification tank includes a plurality of little cell bodies, and is a plurality of little cell body communicates in proper order, the import of clarification tank with one little cell body intercommunication, the export of clarification tank and another the cell body intercommunication, waste water flows through in proper order a plurality ofly little cell body.
Furthermore, the second tank body is provided with a second transverse plate, the second transverse plate divides the cavity of the second tank body into a third cavity and a fourth cavity from top to bottom, the second transverse plate is provided with a plurality of second through holes, the second through holes communicate the third cavity with the fourth cavity, and the liquid inlet is communicated with the fourth cavity.
Further, the air inlet and the liquid outlet are located at one end, close to the first transverse plate, of the first tank body.
Further, the tank bottom in collection sediment groove be the heliciform coil in the outer wall of lid, the collection sediment groove has the slag notch, the slag notch is located the bottom in collection sediment groove.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the utility model discloses a sewage treatment system includes the viscosity reduction pond, knockout drum and depositing reservoir, waste water passes through behind the viscosity reduction pond, the viscosity of waste water has been reduced, waste water gets into behind the knockout drum, silt in the waste water is at the internal sediment of the second jar of knockout drum, the supernatant then enters into first jar of body, let in gas from the air inlet of first jar of body, gas bubble production in waste water, the difficult material that deposits such as dross goes up to overflow opening department in the waste water, strike off through the frizing, waste water then discharges from the liquid outlet of first jar of body, it clarifies in the depositing reservoir to enter into, top at the first jar of body is provided with the lid of inverted funnel form, top at the lid is provided with the overflow mouth, through the lid of inverted funnel form, concentrate dross in waste water in overflow opening department, improve the efficiency of scraping the sediment.
The utility model discloses a processing system carries out the oil gas mud separation with the waste water viscosity reduction back earlier, and waste water after the viscosity reduction is through subsiding and aerostatic treatment, and the abundant floater and the precipitate of detaching waste water improve waste water treatment efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the sewage treatment system of the present invention;
fig. 2 is a schematic front view of the viscosity reduction tank of the present invention;
FIG. 3 is a schematic front view of the separator tank of the present invention;
FIG. 4 is a schematic front view of the clarification tank of the present invention;
FIG. 5 is a partial schematic view of an overflow port of the clarification tank of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 2;
reference numerals: 1-viscosity reduction pool, 11-pool body, 12-heating device, 13-stirring device, 2-separation tank, 21-tank body, 22-oil scraping mechanism, 221-first motor, 222-oil scraping plate, 23-first transverse plate, 231-first through hole, 24-first tank body, 241-air inlet, 242-liquid outlet, 25-second tank body, 251-liquid inlet, 252-sludge outlet, 26-cover body, 261-overflow port, 27-slag collecting groove, 28-isolation plate, 29-second transverse plate, 3-clarification pool and 31-small pool body.
Detailed Description
The embodiments of the present invention will be described in detail with reference to fig. 1 to 6;
an oil field operation wastewater treatment system comprises a viscosity reduction pool 1 for heating wastewater, a separation tank 2 for separating wastewater and oil sludge and a clarification pool 3 for clarifying wastewater, which are sequentially communicated; the wastewater flows through the viscosity reduction tank 1, the separation tank 2 and the sedimentation tank in sequence.
The separation tank 2 comprises a tank body 21 and an oil scraping mechanism 22, the tank body 21 is provided with a cavity, the inner wall of the tank body 21 is provided with a first transverse plate 23, as shown in the attached drawing 3, the tank body 21 is divided into a first tank body 24 and a second tank body 25 from top to bottom by the first transverse plate 23, and the first tank body 24 is positioned above the second tank body 25. An inverted funnel-shaped cover body 26 is arranged at one end of the first tank body 24, which is far away from the second tank body 25, the cover body 26 is integrally formed with the first tank body 24, an overflow port 261 is arranged at one end (i.e. the smaller end) of the cover body 26, which is far away from the first transverse plate 23, a slag collecting groove 27 is arranged around the outer wall of the cover body 26, as shown in fig. 2, the outer wall of the cover body 26 is a part of the slag collecting groove 27; the oil scraping mechanism 22 includes a first motor 221 and an oil scraping plate 222, the first motor 221 is erected at the top of the tank 21, the oil scraping plate 222 is located at the overflow port 261, a conveying shaft of the first motor 221 is connected with the oil scraping plate 222 to drive the oil scraping plate 222 to rotate, the oil scraping plate 222 is in contact with the liquid level at the overflow port 261, and the rotating oil scraping plate 222 scrapes the scum on the liquid level into the scum collecting tank 27.
A partition plate 28 is arranged on one surface of the first transverse plate 23 close to the cover 26, the partition plate 28 divides the cavity of the first tank 24 into a first cavity and a second cavity, and a gap is formed between the partition plate 28 and the cover 26 to communicate the first cavity with the second cavity, as shown in fig. 3;
the first tank 24 is provided with an air inlet 241 and an liquid outlet 242, the air inlet 241 is communicated with the first cavity, the liquid outlet 242 is communicated with the second cavity, the first transverse plate 23 is provided with a plurality of first through holes 231, and the first through holes 231 communicate the first cavity with the cavity of the second tank 25; bubbles are blown into the waste liquid in the first cavity through the air inlet 241, and the bubbles drive the scum in the waste water to move upwards, so that the scum in the waste water is gathered at the overflow port 261 under the action of the cover body 26. It should be noted that, in this embodiment, a bubble generating device in the prior art is adopted to blow bubbles into the first cavity. Preferably, in the embodiment, the air inlet 241 is disposed at a lower position of the first tank 24, as shown in fig. 2, so that more waste water in the first cavity can be contacted by air bubbles, thereby improving the air flotation efficiency.
In this embodiment, the second tank 25 has a liquid inlet 251 and a sludge outlet 252, and the sludge outlet 252 is located at one end of the second tank 25 away from the first tank 24; as shown in fig. 3, the liquid inlet 251 is close to the middle-lower portion of the second tank 25, the wastewater enters the second tank 25 from the liquid inlet 251, sediment in the wastewater is deposited at the bottom of the second tank 25, the supernatant enters the first cavity from the first through hole 231 of the first transverse plate 23, under the action of the bubbles in the first cavity, scum in the wastewater floats upwards to the overflow port 261, the first motor 221 drives the oil scraping plate 222 to scrape the scum in the wastewater into the scum collecting tank 27, and the wastewater in the second cavity is discharged from the liquid outlet 242, enters the clarification tank 3, is further clarified, and then enters the next treatment process.
In this embodiment, the viscosity reduction tank 1 includes a tank body 11, and a heating device 12 and a stirring device 13 disposed in the tank body 11; the heating device 12 comprises a heating resistance wire and a support rod, the heating resistance wire is spirally wound in the tank body 11, one end of the support rod is fixedly connected with the heating resistance wire, and the other end of the support rod is fixedly connected with the inner wall of the tank body 11; heating resistor silk is connected with external power supply, and the circular telegram back heats waste water, and the temperature of waste water risees the back, reduces the also corresponding reduction of viscosity of organic matter (like pitch, viscous crude etc.) in the waste water, it is to be explained that the utility model discloses in, the pipeline of connecting viscosity reduction pond 1 and knockout drum 2 has certain heat insulating ability.
The stirring device 13 comprises a second motor and a stirring paddle, the second electrode is erected at the top of the tank body 11, the stirring paddle is connected with an output shaft of the second motor, and the second electrode drives the stirring paddle to rotate.
In this embodiment, the clarification tank 3 includes a plurality of small tank bodies 31, as shown in fig. 4, the plurality of small tank bodies 31 are sequentially communicated, an inlet of the clarification tank 3 is communicated with one of the small tank bodies 31, an outlet of the clarification tank 3 is communicated with the other small tank body 11, and wastewater sequentially overflows from the top of the small tank body 31 to the other small tank body 31 and flows through the plurality of small tank bodies 31.
Preferably, in this embodiment, a second transverse plate 29 may be further erected on the second tank 25, the second transverse plate 29 is located below the first transverse plate 23, the second transverse plate 29 divides the cavity of the second tank 25 into a third cavity and a fourth cavity from top to bottom, the second transverse plate 29 is provided with a plurality of second through holes, the third cavity and the fourth cavity are communicated by the plurality of second through holes, and the liquid inlet 251 is communicated with the fourth cavity. In the third cavity, an inclined tube can be arranged to improve the precipitation efficiency.
More preferably, the high one end of the tank bottom of collection sediment groove 27 is low, the tank bottom of collection sediment groove 27 is the heliciform to the axle center of knockout drum 2 is the center, and the heliciform tank bottom coil in the outer wall of lid 26, collection sediment groove 27 has the slag notch, the slag notch is located the bottom of collection sediment groove 27. The scum is scraped to the scum by the scraper 222, and the scum slides to the lowest part of the scum collecting tank 27 under the action of the self gravity and water and is discharged from the scum outlet.
Claims (6)
1. The utility model provides an oil field operation effluent disposal system which characterized in that: comprises a viscosity reduction pool (1) for heating wastewater, a separation tank (2) for separating wastewater and oil sludge and a clarification pool (3) for clarifying wastewater which are communicated in sequence;
the separation tank (2) comprises a tank body (21) and an oil scraping mechanism (22), the tank body (21) is provided with a cavity, the inner wall of the tank body (21) is provided with a first transverse plate (23), the tank body (21) is divided into a first tank body (24) and a second tank body (25) from top to bottom by the first transverse plate (23), one end, far away from the second tank body (25), of the first tank body (24) is provided with an inverted funnel-shaped cover body (26), one end, far away from the first transverse plate (23), of the cover body (26) is provided with an overflow port (261), and the outer wall of the cover body (26) is surrounded with a slag collecting groove (27);
a partition plate (28) is arranged on one surface, close to the cover body (26), of the first transverse plate (23), the partition plate (28) divides the cavity of the first tank body (24) into a first cavity and a second cavity, and a gap is formed between the partition plate (28) and the cover body (26) so as to communicate the first cavity with the second cavity;
the first tank body (24) is provided with an air inlet (241) and an liquid outlet (242), the air inlet (241) is communicated with the first cavity, the liquid outlet (242) is communicated with the second cavity, the first transverse plate (23) is provided with a plurality of first through holes (231), and the first through holes (231) are communicated with the cavities of the first cavity and the second tank body (25);
the second tank body (25) is provided with a liquid inlet (251) and a sludge outlet (252), and the sludge outlet (252) is positioned at one end of the second tank body (25) far away from the first tank body (24);
the oil scraping mechanism (22) comprises a first motor (221) and an oil scraping plate (222), the first motor (221) is erected at the top of the tank body (21), the oil scraping plate (222) is located at the overflow port (261), and a conveying shaft of the first motor (221) is connected with the oil scraping plate (222) to drive the oil scraping plate (222) to rotate.
2. The oilfield operation wastewater treatment system of claim 1, wherein: the viscosity reduction tank (1) comprises a tank body (11), a heating device (12) and a stirring device (13) which are arranged on the tank body (11);
the heating device (12) comprises a heating resistance wire and a support rod, the heating resistance wire is spirally wound in the tank body (11), one end of the support rod is fixedly connected with the heating resistance wire, and the other end of the support rod is fixedly connected with the inner wall of the tank body (11);
the stirring device (13) comprises a second motor and a stirring paddle, the second motor is erected at the top of the pool body (11), and the stirring paddle is connected with an output shaft of the second motor.
3. The oilfield operation wastewater treatment system of claim 1, wherein: the clarification tank (3) includes a plurality of little cell bodies (31), and is a plurality of little cell body (31) communicate in proper order, the import and one of clarification tank (3) little cell body (31) intercommunication, the export and another of clarification tank (3) cell body (11) intercommunication, it is a plurality of that waste water flows through in proper order little cell body (31).
4. The oilfield operation wastewater treatment system of claim 1, wherein: the second jar of body (25) has erect second diaphragm (29), second diaphragm (29) will the cavity of the second jar of body (25) has from top to bottom to separate for third cavity and fourth cavity, second diaphragm (29) is equipped with a plurality of second through-holes, and is a plurality of the second through-hole will the third cavity with the fourth cavity intercommunication, inlet (251) with the fourth cavity intercommunication.
5. The oilfield operation wastewater treatment system of claim 1, wherein: the air inlet (241) and the liquid outlet (242) are positioned at one end of the first tank body (24) close to the first transverse plate (23).
6. The oilfield operation wastewater treatment system of claim 1, wherein: the tank bottom in collection sediment groove (27) is the heliciform around in the outer wall of lid (26), collection sediment groove (27) have the slag notch, the slag notch is located the bottom in collection sediment groove (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516741.3U CN209835800U (en) | 2019-04-16 | 2019-04-16 | Oil field operation effluent disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516741.3U CN209835800U (en) | 2019-04-16 | 2019-04-16 | Oil field operation effluent disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209835800U true CN209835800U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920516741.3U Active CN209835800U (en) | 2019-04-16 | 2019-04-16 | Oil field operation effluent disposal system |
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| CN (1) | CN209835800U (en) |
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2019
- 2019-04-16 CN CN201920516741.3U patent/CN209835800U/en active Active
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