Oil-water separation device for waste mineral oil treatment

Abstract

The utility model discloses an oil-water separation device for waste mineral oil treatment and relates to the technical field of waste mineral oil treatment. Comprising a liquid inlet pipe, a first-stage settling tank, a second-stage settling tank, an oil storage tank and a water storage tank, the liquid inlet pipe is connected with an inlet of a cyclone separator, an overflow pipe of the cyclone separator extends to the upper portion of the oil storage tank, a bottom outlet of the cyclone separator is connected to the middle of the left side of the first-stage settling tank, and the oil storage tank is clamped between the first-stage settling tank and the second-stage settling tank. The oil-water separation device has the beneficial effects that most of waste mineral oil is firstly separated into the oil storage tank through the cyclone separator, then primary oil-water separation is carried out through the primary settling tank, oil-water separation is further carried out through secondary settling, and the activity of the waste mineral oil can be improved through the aeration mechanism and the ultrasonic vibrator; the oil-water separation efficiency is improved, and the quality of effluent water is guaranteed through the oleophylic and hydrophobic filler.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste mineral oil processing technical field especially relates to a kind of oil-water separation devices for waste mineral oil processing. BACKGROUND

[0002] Extracted and refined from petroleum, coal, oil shale, due to external factors during mining, processing and use, the original physical and chemical properties are changed, and the mineral oil cannot be used continuously, these waste mineral oils contain mixed sewage, before recycling waste mineral oil, sewage needs to be separated from waste mineral oil, and the sewage separated still contains trace waste mineral oil, so that sewage cannot reach discharge standard. SUMMARY

[0003] In order to solve the problem that waste mineral oil and sewage cannot reach discharge standard during separation, the utility model provides an oil-water separation device for waste mineral oil processing.

[0004] The utility model provides a technical scheme: an oil-water separation device for waste mineral oil processing, including liquid inlet pipe, primary settling tank, secondary settling tank, oil tank and water tank, liquid inlet pipe is connected with cyclone separator inlet, overflow pipe of cyclone separator extends to the upper portion of oil tank, the bottom outlet of cyclone separator is connected with the left side middle part of primary settling tank, and the oil tank is clamped in the middle of primary settling tank and secondary settling tank, a horizontal waterway is arranged at the bottom of oil tank, an ascending waterway A is arranged at the right side of horizontal waterway and communicated with secondary settling tank, an ascending waterway B is arranged at the bottom of secondary settling tank and communicated with water tank, the water tank is provided with water outlet pipe, a valve is arranged on the water outlet pipe, a scraper A is arranged in primary settling tank, a scraper B is arranged in secondary settling tank, and the scraped materials of scraper A and scraper B fall into oil tank.

[0005] Ultrasonic transducers are installed on the outer sides of the two side plates of ascending waterway A, and oleophilic and hydrophobic fillers are filled in ascending waterway B.

[0006] Two upper and lower clamping plates are welded in the oil tank, the inner side space of the clamping plate is not communicated with the oil tank, a plug is inserted into the two clamping plates, the lower part of the plug extends into the horizontal waterway, the upper part of the plug is transversely provided with upper and lower through holes, a vertical plate is welded on the primary settling tank, the vertical plate is transversely connected with lead screw B, and the lead screw B is inserted into one of the through holes of the plug.

[0007] Ascending waterway B and water tank are communicated through a throttling pipe, the throttling pipe is vertically arranged, an umbrella-shaped cap is arranged above the throttling pipe, the tip of the umbrella-shaped cap faces, a lead screw A is welded on the upper part of the umbrella-shaped cap, the lead screw A is screwed with a nut, and the nut is fixed on the water tank.

[0008] A fan is arranged on the upper part of the water tank, the fan is connected with an aeration mechanism through a pipeline, and the aeration mechanism is distributed at the bottom of primary settling tank and secondary settling tank.

[0009] The beneficial effects of this utility model are as follows: First, most of the waste mineral oil is separated into the oil storage tank by the cyclone separator. Then, the oil and water are initially separated by the first-stage settling tank. Then, the oil and water are further separated by the second-stage settling tank. The aeration mechanism and ultrasonic transducer can improve the activity of the waste mineral oil and improve the oil-water separation efficiency. The oleophilic and hydrophobic packing material ensures the quality of the effluent and meets the discharge standards. Attached Figure Description

[0010] Appendix Figure 1 This is a schematic diagram of the structure of this utility model;

[0011] Appendix Figure 2 It is attached Figure 1 Enlarged view of point A;

[0012] Appendix Figure 3 It is attached Figure 1 A partial structural diagram.

[0013] In the diagram, 1-primary settling tank, 2-oil collection tank, 3-secondary settling tank, 4-water storage tank, 5-scraper conveyor B, 6-scraper conveyor A, 7-inlet pipe, 8-outlet pipe, 9-fan, 10-aeration mechanism, 11-rising channel A, 12-ultrasonic transducer, 13-rising channel B, 14-oleophilic and hydrophobic packing, 15-throttling pipe, 16-umbrella cap, 17-nut, 18-screw A, 19-horizontal channel, 20-clamping plate, 21-insertion plate, 22-screw B, 23-vertical plate, 24-cyclone separator. Detailed Implementation

[0014] like Figures 1 to 3 As shown, an oil-water separation device for waste mineral oil treatment includes an inlet pipe 7, a primary settling tank 1, a secondary settling tank 3, an oil storage tank 2, and a water storage tank 4. The inlet pipe 7 is connected to the inlet of a hydrocyclone separator 24. The overflow pipe of the hydrocyclone separator 24 extends to the upper part of the oil storage tank 2. The bottom outlet of the hydrocyclone separator 24 is connected to the middle left side of the primary settling tank 1. The oil storage tank 2 is sandwiched between the primary settling tank 1 and the secondary settling tank 3. A horizontal water channel 19 is provided at the bottom of the oil storage tank 2. An ascending water channel A11 is provided on the right side of the horizontal water channel 19 and communicates with the secondary settling tank 3. An ascending water channel B13 is provided at the bottom of the secondary settling tank 3 and communicates with the water storage tank 4. The water storage tank 4 is provided with an outlet pipe 8 and a valve is provided on the outlet pipe 8. A scraper conveyor A6 is provided in the primary settling tank 1, and a scraper conveyor B5 is provided in the secondary settling tank 3. The scraped material from the scraper conveyor A6 and the scraper conveyor B5 falls into the oil storage tank 2.

[0015] Ultrasonic transducers 12 are installed on the outer sides of both sides of the rising water channel A11, and the rising water channel B13 is filled with oleophilic and hydrophobic filler 14.

[0016] Two clamping plates 20 are welded in the oil storage tank 2, the inner side space of the clamping plate 20 is not communicated with the oil storage tank 2, the two clamping plates 20 are inserted with the plug plate 21, the lower part of the plug plate 21 extends into the horizontal water channel 19, the upper part of the plug plate 21 is transversely provided with the upper and lower arranged through holes, the vertical plate 23 is welded on the first stage settling tank 1, the vertical plate 23 is transversely screwed with the lead screw B22, the lead screw B22 is inserted into one of the through holes of the plug plate 21, by adjusting the height of the plug plate 21, the water flow of the first stage settling tank 1 can be adjusted, that is, the liquid level of the first stage settling tank 1 is adjusted, so that the scraped waste mineral oil of the scraper A6 does not contain water.

[0017] The rising water channel B13 and the water storage tank 4 are communicated through a throttle pipe 15, the throttle pipe 15 is vertically arranged, the umbrella-shaped cap 16 is arranged above the throttle pipe 15, the tip of the umbrella-shaped cap 16 is directed, the lead screw A18 is welded on the upper part of the umbrella-shaped cap 16, the lead screw A18 is screwed with the nut 17, the nut 17 is fixed on the water storage tank 4, by lifting the umbrella-shaped cap 16, the water flow of the second stage settling tank 3 can be adjusted, that is, the liquid level of the second stage settling tank 3 is adjusted, so that the scraped waste mineral oil of the scraper B5 does not contain water.

[0018] The fan 9 is arranged on the upper part of the water storage tank 4, the fan 9 is provided with the pipeline connected aeration mechanism 10, the aeration mechanism 10 is distributed on the bottom of the first stage settling tank 1 and the second stage settling tank 3.

[0019] Firstly, most of the waste mineral oil is separated to the oil storage tank 2 through the cyclone separator 24, then the oil-water separation is carried out through the first stage settling tank 1, then the oil-water separation is further carried out through the second stage settling 3, wherein the activity of the waste mineral oil is improved through the aeration mechanism 10 and the ultrasonic vibrator 12, the oil-water separation efficiency is improved, the lipophilic and hydrophobic filler 14 is used as the guarantee of the water quality.

Claims

1. An oil-water separation device for waste mineral oil treatment, comprising a liquid inlet pipe (7), a first stage settling tank (1), a second stage settling tank (3), an oil storage tank (2) and a water storage tank (4), characterized in that: The inlet pipe (7) is connected with the inlet of the cyclone separator (24), the overflow pipe of the cyclone separator (24) extends to the upper part of the oil storage tank (2), the bottom outlet of the cyclone separator (24) is connected to the left middle part of the first sedimentation tank (1), the oil storage tank (2) is clamped between the first sedimentation tank (1) and the second sedimentation tank (3), a horizontal water channel (19) is arranged at the bottom of the oil storage tank (2), an ascending water channel A (11) is arranged at the right side of the horizontal water channel (19) and communicates with the second sedimentation tank (3), an ascending water channel B (13) is arranged at the bottom of the second sedimentation tank (3) and communicates with the water storage tank (4), the water storage tank (4) is provided with a water outlet pipe (8), a valve is arranged on the water outlet pipe (8), a scraper A (6) is arranged in the first sedimentation tank (1), a scraper B (5) is arranged in the second sedimentation tank (3), and the scraped materials of the scraper A (6) and the scraper B (5) fall into the oil storage tank (2); The ultrasonic vibrator (12) is arranged outside the two side plates of the ascending water channel A (11), and the ascending water channel B (13) is filled with oleophilic and hydrophobic filler (14).

2. An oil-water separation device for waste mineral oil treatment according to claim 1, characterized in that: Two clamping plates (20) are welded in the oil storage tank (2) and penetrate the upper and lower parts, the space inside the clamping plate (20) is not communicated with the oil storage tank (2), the plug plate (21) is inserted into the two clamping plates (20), the lower part of the plug plate (21) extends into the horizontal water channel (19), the upper part of the plug plate (21) is transversely provided with a plurality of through holes arranged in the upper and lower parts, the vertical plate (23) is welded on the first sedimentation tank (1), the vertical plate (23) is transversely screwed with the lead screw B (22), and the lead screw B (22) is inserted into one of the through holes of the plug plate (21); The ascending water channel B (13) and the water storage tank (4) are communicated through a throttling pipe (15), the throttling pipe (15) is vertically arranged, the umbrella-shaped cap (16) is arranged above the throttling pipe (15), the tip of the umbrella-shaped cap (16) faces, the lead screw A (18) is welded on the upper part of the umbrella-shaped cap (16), the lead screw A (18) is screwed with the nut (17), and the nut (17) is fixed on the water storage tank (4).

3. The oil-water separation device for waste mineral oil treatment according to claim 1, characterized in that: The fan (9) is arranged at the upper part of the water storage tank (4), the fan (9) is connected with the aeration mechanism (10) through a pipeline, and the aeration mechanism (10) is distributed at the bottom of the first sedimentation tank (1) and the second sedimentation tank (3).

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