Anti-corrosion and anti-explosion dirty oil water recycling and separating device

Abstract

The utility model provides an anti-corrosion and anti-explosion dirty oil water recycling and separating device which comprises a collecting tank, an oil-water interface instrument, a PLC (Programmable Logic Controller) anti-explosion control box, an oil conveying pipeline and a water conveying pipeline, the collecting tank is provided with a liquid inlet, a dirty oil outlet, a sewage outlet and a sewage outlet; the oil-water interface instrument is arranged in the collecting tank and above the collecting tank and is connected with the PLC explosion-proof control box; the oil conveying pipeline is communicated with the dirty oil outlet and is connected with the PLC explosion-proof control box; the water conveying pipeline is communicated with the sewage outlet and is connected with the PLC explosion-proof control box; wherein the oil-water interface instrument is used for monitoring the conditions of dirty oil liquid and sewage liquid in the collecting tank and transmitting information to the PLC explosion-proof control box so as to output the dirty oil liquid in the collecting tank; the PLC explosion-proof control box controls the water conveying pipeline to output the sewage liquid in the collecting tank; the sewage draining exit is used for discharging mixed sewage, and the problems that in the prior art, a recycling and separating device is poor in safety and high in operation and maintenance cost are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil exploitation, in particular to an anti-corrosion and explosion-proof dirty oil and water recovery and separation device. Background Art

[0002] At present, the waste oil storage tank is made of steel, which is easy to corrode and has a short service life. The electrical control box is not explosion-proof, and the oil and water are mixed together, which requires secondary separation at the site. There are volatile gases on site, which are flammable and bring safety hazards.

[0003] Therefore, there is an urgent need for an oil-water recovery and separation device that can not only achieve corrosion and explosion resistance, but also discharge the dirty oil and sewage into the oil pipeline, and can also separate the discharge pipeline on site, which will realize the automatic separation of dirty oil and water. The separated dirty oil is sent to the oil pipeline, and the separated sewage is sent to the water pipeline, so as to facilitate the rational use of resources, while having low maintenance costs and high stability. Utility Model Content

[0004] The main purpose of the utility model is to provide a corrosion-proof and explosion-proof dirty oil and water recovery and separation device, so as to at least solve the problems of poor safety and high operation and maintenance cost of the recovery and separation device in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides an anti-corrosion and explosion-proof dirty oil and water recovery and separation device, comprising a collection tank, an oil-water interface meter, a PLC explosion-proof control box, an oil pipeline and a water pipeline; a liquid inlet is provided on one side of the collection tank, a dirty oil outlet is provided on the other side, and a sewage outlet and a sewage outlet are provided at the bottom of the collection tank; one end of the oil-water interface meter is arranged in the collection tank, and the other end is arranged above the collection tank; the oil-water interface meter is connected to the PLC explosion-proof control box; the first end of the oil pipeline is connected to the dirty oil outlet; the oil pipeline is connected to the PLC explosion-proof control box ... LC explosion-proof control box connected; the first end of the water pipeline is connected to the sewage outlet; the water pipeline is connected to the PLC explosion-proof control box; wherein, the dirty oil liquid and the sewage liquid enter the collection tank through the liquid inlet for storage, and the oil-water interface meter is used to monitor the dirty oil liquid and the sewage liquid in the collection tank and transmit information to the PLC explosion-proof control box; the PLC explosion-proof control box controls the oil pipeline to output the dirty oil liquid in the collection tank; the PLC explosion-proof control box controls the water pipeline to output the sewage liquid in the collection tank; the sewage outlet is used to discharge the mixed dirty liquid.

[0006] Furthermore, the oil pipeline includes a first pipeline, an oil pump, a first pressure sensor, a first check valve and a first valve; the first end of the first pipeline is arranged to be connected to the dirty oil outlet; the oil pump is arranged on the first pipeline; the oil pump is connected to the PLC explosion-proof control box; the first pressure sensor is arranged on the first pipeline and located at the rear end of the oil pump; the first pressure sensor is connected to the PLC explosion-proof control box; the first check valve is arranged on the first pipeline and located at the rear end of the first pressure sensor; the first valve is arranged at the second end of the first pipeline; wherein the PLC explosion-proof control box turns on the oil pump to allow the dirty oil liquid to enter the first pipeline through the dirty oil outlet and output; the first pressure sensor is used to monitor the pressure situation in the first pipeline and transmit information to the PLC explosion-proof control box to enable the PLC explosion-proof control box to turn on / off the oil pump; the first check valve is used to block the backflow of the dirty oil liquid; the first valve is used to open / close the second end of the first pipeline.

[0007] Furthermore, the water supply pipeline includes a second pipeline, a water supply pump, a second pressure sensor, a second check valve and a second valve; the first end of the second pipeline is arranged to be connected to the sewage outlet; the water supply pump is arranged on the second pipeline; the water supply pump is connected to the PLC explosion-proof control box; the second pressure sensor is arranged on the second pipeline and located at the rear end of the water supply pump; the second pressure sensor is connected to the PLC explosion-proof control box; the second check valve is arranged on the second pipeline and located at the rear end of the second pressure sensor; the second valve is arranged at the second end of the second pipeline; wherein, the PLC explosion-proof control box starts the water supply pump to allow the dirty oil liquid to enter the second pipeline through the sewage outlet and be output; the second pressure sensor is used to monitor the pressure situation in the second pipeline and transmit information to the PLC explosion-proof control box to enable the PLC explosion-proof control box to start / close the water supply pump; the second check valve is used to block the backflow of sewage liquid; the second valve is used to open / close the second end of the second pipeline.

[0008] Furthermore, the anti-corrosion and explosion-proof dirty oil and water recovery and separation device also includes a manhole and a breathing valve port; the manhole is arranged at the top of the collecting tank, and the manhole is used to open / close the collecting tank; the breathing valve port is arranged at the top of the collecting tank to regulate the gas in the collecting tank.

[0009] Furthermore, the anti-corrosion and explosion-proof dirty oil and water recovery and separation device also includes a support; there are multiple supports, and the multiple supports are respectively arranged at the bottom of the collection tank to support the collection tank.

[0010] Furthermore, the collection tank, the liquid inlet, the dirty oil outlet, the sewage outlet, the sewage outlet, the manhole, the breathing valve port and the plurality of supports are all made of fiberglass.

[0011] The anti-corrosion and explosion-proof dirty oil and water recovery and separation device using the technical solution of the utility model comprises a collection tank, an oil-water interface meter, a PLC explosion-proof control box, an oil pipeline and a water pipeline; a liquid inlet is provided on one side of the collection tank, a dirty oil outlet is provided on the other side, and a sewage outlet and a sewage outlet are provided at the bottom of the collection tank; one end of the oil-water interface meter is arranged in the collection tank, and the other end is arranged above the collection tank; the oil-water interface meter is connected to the PLC explosion-proof control box; the first end of the oil pipeline is connected to the dirty oil outlet; the oil pipeline is connected to the PLC explosion-proof control box; the first end of the water ... It is connected to the sewage outlet; the water pipeline is connected to the PLC explosion-proof control box; the dirty oil liquid and the sewage liquid enter the collection tank through the liquid inlet for storage, and the oil-water interface meter is used to monitor the dirty oil liquid and the sewage liquid in the collection tank and transmit information to the PLC explosion-proof control box; the PLC explosion-proof control box controls the oil pipeline to output the dirty oil liquid in the collection tank; the PLC explosion-proof control box controls the water pipeline to output the sewage liquid in the collection tank; the sewage outlet is used to discharge the mixed sewage, which solves the problems of poor safety and high operation and maintenance costs of the recovery and separation device in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0013] Figure 1 It is a structural schematic diagram of an anti-corrosion and explosion-proof dirty oil and water recovery and separation device that can be selected according to an embodiment of the utility model;

[0014] The above drawings include the following reference numerals:

[0015] 10. Collection tank; 11. Liquid inlet; 12. Dirty oil outlet; 13. Sewage outlet; 14. Sewage outlet; 20. Oil-water interface meter; 30. PLC explosion-proof control box; 40. Oil pipeline; 41. First pipeline; 42. Oil pump; 43. First pressure sensor; 44. First check valve; 45. First valve; 50. Water pipeline; 51. Second pipeline; 52. Water pump; 53. Second pressure sensor; 54. Second check valve; 55. Second valve; 60. Manhole; 70. Breathing valve port; 80. Support. DETAILED DESCRIPTION

[0016] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0017] According to the anti-corrosion and explosion-proof dirty oil and water recovery and separation device of the utility model, Figure 1As shown, it includes a collecting tank 10, an oil-water interface meter 20, a PLC explosion-proof control box 30, an oil pipeline 40 and a water pipeline 50; a liquid inlet 11 is provided on one side of the collecting tank 10, a dirty oil outlet 12 is provided on the other side, and a sewage outlet 13 and a sewage outlet 14 are provided at the bottom of the collecting tank 10; one end of the oil-water interface meter 20 is arranged in the collecting tank 10, and the other end is arranged above the collecting tank 10; the oil-water interface meter 20 is connected to the PLC explosion-proof control box 30; the first end of the oil pipeline 40 is connected to the dirty oil outlet 12; the oil pipeline 40 is connected to the PLC explosion-proof control box 30; the first end of the water pipeline 50 is connected to the sewage outlet 13; the water pipeline 50 is connected to the PLC explosion-proof control box 30; wherein the dirty oil liquid and the sewage liquid enter the collecting tank 10 through the liquid inlet 11 for storage, and the oil-water interface meter 20 is used to monitor the dirty oil liquid in the collecting tank 10 and sewage liquid and transmit information to the PLC explosion-proof control box 30; the PLC explosion-proof control box 30 controls the oil pipeline 40 to output the dirty oil liquid in the collection tank 10; the PLC explosion-proof control box 30 controls the water pipeline 50 to output the sewage liquid in the collection tank 10; the sewage outlet 14 is used to discharge the mixed sewage liquid, and the PLC explosion-proof control box 30 is preset with a variety of programs, which can adjust the output according to different operating requirements and the liquid level height in the collection tank 10, and discharge the dirty oil liquid and sewage liquid through the corresponding pipelines, for example, discharging the dirty oil liquid through the oil pipeline 40, discharging the sewage liquid through the water pipeline 50, or uniformly discharging the dirty oil liquid and sewage liquid through the water pipeline 50; this design reduces manual operation and has more output modes, and adapts to more operating environments, so it has higher work efficiency and good stability, and the operation and maintenance cost is correspondingly lower. The connection between the oil-water interface meter 20 and the PLC explosion-proof control box 30 is a 4-20mA signal line connection, which is an implementation option. A wireless signal connection, which can also maintain stable signal transmission, can also be used.

[0018] When implementing it, Figure 1As shown, the oil pipeline 40 includes a first pipeline 41, an oil pump 42, a first pressure sensor 43, a first check valve 44 and a first valve 45; the first end of the first pipeline 41 is arranged to be connected to the dirty oil outlet 12; the oil pump 42 is arranged on the first pipeline 41; the oil pump 42 is connected to the PLC explosion-proof control box 30; the first pressure sensor 43 is arranged on the first pipeline 41 and located at the rear end of the oil pump 42; the first pressure sensor 43 is connected to the PLC explosion-proof control box 30; the first check valve 44 is arranged on the first pipeline 41 and located at the rear end of the first pressure sensor 43; the first valve 45 is arranged at the second end of the first pipeline 41; wherein the PLC explosion-proof control box 30 opens the oil pump 42 to make The dirty oil liquid enters the first pipeline 41 through the dirty oil outlet 12 and is output; the first pressure sensor 43 is used to monitor the pressure in the first pipeline 41 and transmit information to the PLC explosion-proof control box 30 so that the PLC explosion-proof control box 30 can open / close the oil pump 42; the first check valve 44 is used to block the backflow of the dirty oil liquid; the first valve 45 is used to open / close the second end of the first pipeline 41. During specific operation, the first pressure sensor 43 continuously monitors the pressure in the first pipeline 41. When the pressure value approaches the maximum preset value for safe operation, an alarm will be issued to the PLC explosion-proof control box 30, and the PLC explosion-proof control box 30 will also shut down the oil pump 42 accordingly, thereby stopping the oil delivery operation and avoiding accidents. In the connection relationship, the specific connection form between the oil pump 42 and the first pressure sensor 43 and the PLC explosion-proof control box 30 is a 380V power line plus a signal line connection, and the power and signal transmission are more stable.

[0019] When implementing it, Figure 1As shown, the water delivery pipeline 50 includes a second pipeline 51, a water delivery pump 52, a second pressure sensor 53, a second check valve 54 and a second valve 55; the first end of the second pipeline 51 is arranged to be connected to the sewage outlet 13; the water delivery pump 52 is arranged on the second pipeline 51; the water delivery pump 52 is connected to the PLC explosion-proof control box 30; the second pressure sensor 53 is arranged on the second pipeline 51 and located at the rear end of the water delivery pump 52; the second pressure sensor 53 is connected to the PLC explosion-proof control box 30; the second check valve 54 is arranged on the second pipeline 51 and located at the rear end of the second pressure sensor 53; the second valve 55 is arranged at the second end of the second pipeline 51; wherein the PLC explosion-proof control box 30 turns on the water delivery pump 52 to allow the dirty oil liquid to flow out of the second pipeline 51; The sewage enters the second pipe 51 through the sewage outlet 13 and outputs; the second pressure sensor 53 is used to monitor the pressure in the second pipe 51 and transmit information to the PLC explosion-proof control box 30 so that the PLC explosion-proof control box 30 can open / close the water pump 52; the second check valve 54 is used to block the backflow of sewage liquid; the second valve 55 is used to open / close the second end of the second pipe 51. During specific operation, the second pressure sensor 53 continuously monitors the pressure in the second pipe 51. When the pressure value approaches the maximum preset value for safe operation, an alarm will be issued to the PLC explosion-proof control box 30, and the PLC explosion-proof control box 30 will also shut down the water pump 52 accordingly, thereby stopping the water delivery operation to avoid accidents and ensure safety. The specific connection form between the water pump 52 and the second pressure sensor 53 and the PLC explosion-proof control box 30 is a 380V power line plus a signal line connection, and the power and signal transmission are more stable.

[0020] When implementing it, Figure 1 As shown, the anti-corrosion and explosion-proof dirty oil and water recovery and separation device also includes a manhole 60 and a breathing valve port 70; the manhole 60 is arranged at the top of the collection tank 10, and the manhole 60 is used to open / close the collection tank 10. When the staff needs to check, the manhole 60 can be opened to facilitate the staff to enter the interior of the collection tank 10 for maintenance; the breathing valve port 70 is arranged on the top of the collection tank 10 to adjust the gas in the collection tank 10.

[0021] When implementing it, Figure 1 As shown, the anti-corrosion and explosion-proof dirty oil and water recovery and separation device also includes a support 80 ; there are multiple supports 80 , and the multiple supports 80 are respectively arranged at the bottom of the collection tank 10 to support the collection tank 10 .

[0022] When implementing it, Figure 1 As shown, the collection tank 10, the liquid inlet 11, the dirty oil outlet 12, the sewage outlet 13, the sewage outlet 14, the manhole 60, the breathing valve port 70 and the multiple supports 80 are all made of fiberglass. The fiberglass material has the characteristics of corrosion resistance and is also light in weight, so it has better durability and stability, and daily maintenance is also very convenient.

[0023] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An anti-corrosion and explosion-proof dirty oil and water recovery and separation device, characterized in that: include: A collecting tank (10), wherein one side of the collecting tank (10) is provided with a liquid inlet (11), the other side of the collecting tank (10) is provided with a waste oil outlet (12), and the bottom of the collecting tank (10) is provided with a waste water outlet (13) and a waste water outlet (14); an oil-water interface meter (20), one end of the oil-water interface meter (20) being arranged in the collection tank (10) and the other end of the oil-water interface meter (20) being arranged above the collection tank (10); A PLC explosion-proof control box (30), the oil-water interface meter (20) being connected to the PLC explosion-proof control box (30); An oil pipeline (40), wherein a first end of the oil pipeline (40) is in communication with the dirty oil outlet (12); the oil pipeline (40) is connected to the PLC explosion-proof control box (30); A water delivery pipeline (50), wherein a first end of the water delivery pipeline (50) is in communication with the sewage outlet (13); the water delivery pipeline (50) is connected to the PLC explosion-proof control box (30); The dirty oil liquid and the sewage liquid enter the collecting tank (10) through the liquid inlet (11) for storage; the oil-water interface meter (20) is used to monitor the dirty oil liquid and the sewage liquid in the collecting tank (10) and transmit information to the PLC explosion-proof control box (30); the PLC explosion-proof control box (30) controls the oil pipeline (40) to output the dirty oil liquid in the collecting tank (10); the PLC explosion-proof control box (30) controls the water pipeline (50) to output the sewage liquid in the collecting tank (10); and the sewage outlet (14) is used to discharge the mixed dirty liquid.

2. The anti-corrosion and explosion-proof dirty oil and water recovery and separation device according to claim 1 is characterized in that: The oil pipeline (40) comprises: a first pipeline (41), wherein a first end of the first pipeline (41) is arranged to communicate with the dirty oil outlet (12); An oil delivery pump (42), the oil delivery pump (42) being arranged on the first pipeline (41); the oil delivery pump (42) being connected to the PLC explosion-proof control box (30); a first pressure sensor (43), the first pressure sensor (43) being arranged on the first pipeline (41) and located at the rear end of the oil delivery pump (42); the first pressure sensor (43) being connected to the PLC explosion-proof control box (30); a first check valve (44), the first check valve (44) being arranged on the first pipeline (41) and located at the rear end of the first pressure sensor (43); a first valve (45), the first valve (45) being arranged at the second end of the first pipeline (41); The PLC explosion-proof control box (30) turns on the oil pump (42) so that the dirty oil liquid enters the first pipeline (41) through the dirty oil outlet (12) and is output; the first pressure sensor (43) is used to monitor the pressure in the first pipeline (41) and transmit information to the PLC explosion-proof control box (30) so that the PLC explosion-proof control box (30) turns on / off the oil pump (42); the first check valve (44) is used to block the backflow of the dirty oil liquid; and the first valve (45) is used to open / close the second end of the first pipeline (41).

3. The anti-corrosion and explosion-proof dirty oil and water recovery and separation device according to claim 1 is characterized in that: The water delivery pipeline (50) comprises: a second pipe (51), wherein a first end of the second pipe (51) is arranged to communicate with the sewage outlet (13); A water delivery pump (52), the water delivery pump (52) being arranged on the second pipeline (51); the water delivery pump (52) being connected to the PLC explosion-proof control box (30); a second pressure sensor (53), the second pressure sensor (53) being arranged on the second pipeline (51) and located at the rear end of the water delivery pump (52); the second pressure sensor (53) being connected to the PLC explosion-proof control box (30); a second check valve (54), the second check valve (54) being arranged on the second pipeline (51) and located at the rear end of the second pressure sensor (53); a second valve (55), the second valve (55) being arranged at a second end of the second pipeline (51); The PLC explosion-proof control box (30) turns on the water pump (52) so that the dirty oil liquid enters the second pipe (51) through the sewage outlet (13) and is output; the second pressure sensor (53) is used to monitor the pressure in the second pipe (51) and transmit information to the PLC explosion-proof control box (30) so that the PLC explosion-proof control box (30) turns on / off the water pump (52); the second check valve (54) is used to prevent the sewage liquid from flowing back; and the second valve (55) is used to open / close the second end of the second pipe (51).

4. The anti-corrosion and explosion-proof dirty oil and water recovery and separation device according to claim 1 is characterized in that: The anti-corrosion and explosion-proof dirty oil and water recovery and separation device also includes: A manhole (60), the manhole (60) being arranged on the top of the collection tank (10), the manhole (60) being used to open / close the collection tank (10); A breathing valve port (70) is arranged at the top of the collecting tank (10) to regulate the gas in the collecting tank (10).

5. The anti-corrosion and explosion-proof waste oil and water recovery and separation device according to claim 4 is characterized in that: The anti-corrosion and explosion-proof dirty oil and water recovery and separation device also includes: A support (80), wherein the support (80) is in plurality and the plurality of supports (80) are respectively arranged at the bottom of the collection tank (10) to support the collection tank (10).

6. The anti-corrosion and explosion-proof dirty oil and water recovery and separation device according to claim 5 is characterized in that: The collection tank (10), the liquid inlet (11), the dirty oil outlet (12), the sewage outlet (13), the sewage outlet (14), the manhole (60), the breathing valve port (70) and the plurality of supports (80) are all made of glass fiber reinforced plastics.

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