CN209956643U - Automatic water-cutting device for oil tank - Google Patents
Automatic water-cutting device for oil tank Download PDFInfo
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- CN209956643U CN209956643U CN201920524090.2U CN201920524090U CN209956643U CN 209956643 U CN209956643 U CN 209956643U CN 201920524090 U CN201920524090 U CN 201920524090U CN 209956643 U CN209956643 U CN 209956643U
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Abstract
The utility model discloses an automatic water installation of cutting of oil tank, include: the oil tank, the sewage tank, a first drainage pipeline, the settling tank and the controller, wherein the first drainage pipeline is provided with a first stop valve, a first oil-water sensor, a first water cut-off valve and a second stop valve; the application provides an automatic water installation that cuts of oil tank can take place because of subsiding under the not good oily water mixing layer condition of thickening of leading to of effect, with the oil in the oily water mixing layer pump back to the oil tank, improves oil-water separation's the degree of accuracy, the extravagant phenomenon of oil that takes place when having avoided oil-water separation.
Description
Technical Field
The application relates to an oil tank water oil separating technical field especially relates to an automatic water installation that cuts of oil tank.
Background
In the petrochemical industry, oil is one of very important energy, is the pillar of industry economy, because people gather the energy constantly, most oil field moisture content is high at present, leads to the output and the quality of oil to begin to slide down, along with the rapid development of science and technology, the industry is more and more high to the purity requirement of oil, consequently must handle the oil of exploitation to impurity and the quick separation of water inside, because the density of oil and water is different, adopt the mode of subsiding to separate oil and water usually.
At present, a valve is usually installed at the bottom of an oil tank, and the valve is opened and closed in an artificial mode to separate oil from water, however, the oil tank is internally subjected to the condition of excessive thickness of an oil-water mixing layer caused by poor sedimentation effect, the oil-water separation is difficult to accurately carry out in the artificial mode, and the phenomenon of oil leakage frequently occurs to cause the waste of oil products.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide an automatic water installation that cuts of oil tank can take place because of subsiding under the not good oil-water mixing layer too thick condition that leads to of effect, improves oil-water separation's the degree of accuracy at oil tank inside to the extravagant problem of oil that takes place when solving oil-water separation.
An automatic water cutting device for an oil tank, comprising: the oil tank is communicated with the sewage tank through the first drainage pipeline, and a first stop valve, a first oil-water sensor, a first water cut-off valve and a second stop valve are sequentially arranged on the first drainage pipeline from one end communicated with the oil tank to one end communicated with the sewage tank;
the settling tank is provided with a first oil return port, a second oil return port and a water outlet, the first oil return port is arranged in the middle of the settling tank, the second oil return port is arranged at the top of the settling tank, the water outlet is arranged at the bottom of the settling tank, a first oil return pipeline is arranged between the first oil return port and the oil tank, a first oil return pump is arranged on the first oil return pipeline, an oil return stop valve is arranged between the first oil return pump and the oil tank, an oil outlet is arranged between the first stop valve and the first oil-water sensor on the first water discharge pipeline, a second oil return pipeline is arranged between the oil outlet and the second oil return port, the settling tank is communicated with the first water discharge pipeline through the second oil return pipeline, a second oil return pump is arranged on the second oil return pipeline, and a second water discharge pipeline is arranged between the water outlet and the sewage tank, the sedimentation tank is communicated with the sewage tank through the second drainage pipeline, a second oil-water sensor is arranged on the second drainage pipeline, and a second water cutting valve is arranged between the second oil-water sensor and the sewage tank;
be provided with agitating unit in the gunbarrel, agitating unit includes: the stirring device comprises a stirring body, two stirring blades and a stirring blade, wherein one end of the stirring body is fixedly connected to the middle part of the stirring rod, the other end of the stirring body is fixedly connected to the top of the settling tank, the stirring blades are fixedly connected to two ends of the stirring rod, and a plurality of pressure reducing holes are formed in the stirring blades;
the first oil-water sensor, the second oil-water sensor, the first water cutting valve and the second water cutting valve are connected with the controller respectively.
Optionally, keep away from on the puddler one side of stirring the body is provided with the spiral stirring piece, the spiral stirring piece is the heliciform, the axis of spiral stirring piece with the axis of stirring the body coincides mutually.
Optionally, a slag discharge port is arranged at the bottom of the settling tank.
Optionally, the middle part of the settling tank is provided with an observation window.
The application provides an automatic water cutting device for an oil tank, wherein a first stop valve and a second stop valve are opened when water is drained, a first oil-water sensor and a first water cutting valve are arranged on a first drainage pipeline, when the first oil-water sensor detects water, the first water cutting valve is opened to drain water, an oil-water mixing layer is arranged in the oil tank due to natural sedimentation, therefore, when the first oil-water sensor detects oil, the first water cutting valve is immediately closed to prevent oil leakage, a second oil return pump is simultaneously opened to pump the oil-water mixing layer into a settling tank to perform secondary sedimentation, then the first stop valve and the second stop valve are closed, after the first oil-water sensor stands for a period of time, when the second oil-water sensor detects water, the second water cutting valve is opened to drain water, and simultaneously, the first oil return pump and the oil return stop valve are opened to pump oil in the settling tank, and when the second oil-water sensor detects oil, closing the second water cutting valve; the application provides an automatic water installation that cuts of oil tank can take place because of subsiding under the not good oily water mixing layer condition too thick that leads to of effect, with the oil in the oily water mixing layer pump back to the oil tank, improves oil-water separation's the degree of accuracy, and then the extravagant phenomenon of oil that takes place when having avoided oil-water separation.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a schematic view of an automatic water cutting device for an oil tank according to an embodiment of the present application.
Fig. 2 is a schematic cross-sectional view of a settling tank of an automatic water cutting device for an oil tank according to an embodiment of the present disclosure.
Illustration of the drawings: 1-an oil tank, 2-a sewage tank, 3-a first drain pipe, 4-a settling tank, 5-a controller, 6-a first stop valve, 7-a first oil-water sensor, 8-a first cut-off valve, 9-a second stop valve, 10-a first oil return pipeline, 11-a first oil return pump, 12-an oil outlet, 13-a second oil return pipeline, 14-a second oil return pump, 15-a second drain pipe, 16-a second oil-water sensor, 17-a second cut-off valve, 18-a slag discharge port, 19-an observation window, 20-an oil return stop valve, 41-a first oil return port, 42-a second oil return port, 43-a water discharge port, 44-a stirring device, 45-a stirring body, 46-a stirring rod, 47-a stirring blade and 48-a pressure reduction hole, 49-spiral stirring blade.
Detailed Description
Examples
Referring to fig. 1 and fig. 2, an automatic water draining device for an oil tank according to an embodiment of the present application includes: oil tank 1, sewage jar 2, first drainage pipe 3, setting tank 4 and controller 5, oil tank 1 is linked together through first drainage pipe 3 with sewage jar 2, has set gradually first stop valve 6, first oil water sensor 7, first water cutting valve 8 and second stop valve 9 from the one end that is linked together with oil tank 1 to the one end that is linked together with sewage jar 2 on first drainage pipe 3.
The settling tank 4 is provided with a first oil return port 41, a second oil return port 42 and a water outlet 43, the first oil return port 41 is arranged in the middle of the settling tank 4, the second oil return port 42 is arranged at the top of the settling tank 4, the water outlet 43 is arranged at the bottom of the settling tank 4, a first oil return pipeline 10 is arranged between the first oil return port 41 and the oil tank 1, a first oil return pump 11 is arranged on the first oil return pipeline 10, an oil return stop valve 20 is arranged between the first oil return pump 11 and the oil tank 1, an oil outlet 12 is arranged on the first water discharge pipeline 3 and positioned between the first stop valve 6 and the first oil-water sensor 7, a second oil return pipeline 13 is arranged between the oil outlet 12 and the second oil return port 42, the settling tank 4 is communicated with the first water discharge pipeline 3 through the second oil return pipeline 13, a second oil return pump 14 is arranged on the second oil return pipeline 13, and a second water discharge, the sedimentation tank 4 is communicated with the sewage tank 2 through a second drainage pipeline 15, a second oil-water sensor 16 is arranged on the second drainage pipeline 15, and a second water cutting valve 17 is arranged between the second oil-water sensor 16 and the sewage tank 2.
Be provided with agitating unit 44 in the gunbarrel 4, agitating unit 44 includes: the stirring device comprises a stirring body 45, stirring rods 46 and two stirring blades 47, wherein one end of the stirring body 45 is fixedly connected to the middle part of the stirring rod 46, the other end of the stirring body 45 is fixedly connected to the top of the settling tank 4, the stirring blades 47 are two, the stirring blades 47 are fixedly connected to two ends of the stirring rod 46, and a plurality of pressure reducing holes 48 are formed in the stirring blades 47; the stirring device 44 is used for stirring the oil-water mixed layer pumped back to the precipitation tank 4, so that the original layered structure is broken, oil-water separation after re-sedimentation is facilitated, and the pressure reducing hole 48 is used for reducing the resistance on the stirring blade 47.
The controller 5 is used for controlling the first oil-water cut valve 8 and the second oil-water cut valve 17 according to feedback signals of the first oil-water sensor 7 and the second oil-water sensor 16, the first oil-water sensor 11 and the second oil-water sensor 11 can be started and stopped, and the controller 5 can be a programmable logic controller S7-200, specifically 6ES7288-1ST 40-OAAO.
Optionally, a spiral stirring piece 49 is arranged on one side of the stirring rod 46, which is far away from the stirring body 45, the spiral stirring piece 49 is in a spiral shape, the axis of the spiral stirring piece 49 coincides with the axis of the stirring body 45, and the spiral stirring piece 49 is used for stirring the middle lower part of the settling tank 4.
Optionally, a slag discharge port 18 is arranged at the bottom of the settling tank 4, and the slag discharge port 18 is used for cleaning oil slag settled at the bottom of the settling tank 4.
Optionally, an observation window 19 is arranged in the middle of the settling tank 4, and the observation window 19 is used for observing the oil-water condition in the settling tank 4.
According to the technical scheme, when water is drained, the first stop valve 6 and the second stop valve 9 are opened, the first oil-water sensor 7 and the first water cut valve 8 are arranged on the first water drainage pipeline 3, when the first oil-water sensor 7 detects water, the first water cut valve 8 is opened to drain water, an oil-water mixed layer exists in the oil tank 1 due to natural sedimentation, when the first oil-water sensor 7 detects oil, the first water cut valve 8 is immediately closed to prevent oil leakage, the second oil return pump 14 is simultaneously opened to pump the oil-water mixed layer into the settling tank 4 to perform secondary sedimentation, then the first stop valve 6 and the second stop valve 9 are closed, after a period of standing, when the second oil-water sensor 16 detects water, the second water cut valve 17 is opened to drain water, and the first oil return pump 11 and the oil return stop valve 20 are simultaneously opened, pumping the oil in the settling tank 4 back to the oil tank 1, and closing the second water cut valve 17 when the second oil-water sensor 16 detects the oil; the application provides an automatic water installation that cuts of oil tank can take place because of subsiding under the not good oily water mixing layer condition too thick that leads to of effect, with the oil in the oily water mixing layer pump back to oil tank 1, improve oil-water separation's the degree of accuracy, and then the extravagant phenomenon of oil that takes place when having avoided oil-water separation.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
The above embodiments of the present application do not limit the scope of the present application.
Claims (4)
1. An automatic water installation that cuts of oil tank which characterized in that includes: the device comprises an oil tank (1), a sewage tank (2), a first drainage pipeline (3), a settling tank (4) and a controller (5), wherein the oil tank (1) is communicated with the sewage tank (2) through the first drainage pipeline (3), and a first stop valve (6), a first oil-water sensor (7), a first water cut-off valve (8) and a second stop valve (9) are sequentially arranged on the first drainage pipeline (3) from one end communicated with the oil tank (1) to one end communicated with the sewage tank (2);
a first oil return opening (41), a second oil return opening (42) and a water outlet (43) are arranged on the settling tank (4), the first oil return opening (41) is arranged in the middle of the settling tank (4), the second oil return opening (42) is arranged at the top of the settling tank (4), the water outlet (43) is arranged at the bottom of the settling tank (4), a first oil return pipeline (10) is arranged between the first oil return opening (41) and the oil tank (1), a first oil return pump (11) is arranged on the first oil return pipeline (10), an oil return stop valve (20) is arranged between the first oil return pump (11) and the oil tank (1), an oil outlet (12) is arranged between the first stop valve (6) and the first oil-water sensor (7) on the first water drainage pipeline (3), and a second oil return pipeline (13) is arranged between the oil outlet (12) and the second oil return opening (42), the sedimentation tank (4) is communicated with the first water drainage pipeline (3) through the second oil return pipeline (13), a second oil return pump (14) is arranged on the second oil return pipeline (13), a second water drainage pipeline (15) is arranged between the water outlet (43) and the sewage tank (2), the sedimentation tank (4) is communicated with the sewage tank (2) through the second water drainage pipeline (15), a second oil-water sensor (16) is arranged on the second water drainage pipeline (15), and a second water cutting valve (17) is arranged between the second oil-water sensor (16) and the sewage tank (2);
be provided with agitating unit (44) in sedimentation tank (4), agitating unit (44) include: the stirring device comprises a stirring body (45), a stirring rod (46) and two stirring blades (47), wherein one end of the stirring body (45) is fixedly connected to the middle part of the stirring rod (46), the other end of the stirring body (45) is fixedly connected to the top of the settling tank (4), the number of the stirring blades (47) is two, the stirring blades (47) are fixedly connected to two ends of the stirring rod (46), and a plurality of pressure reducing holes (48) are formed in the stirring blades (47);
the first oil-water sensor (7), the second oil-water sensor (16), the first water cut valve (8) and the second water cut valve (17), and the first oil return pump (11) and the second oil return pump (14) are respectively connected with the controller (5).
2. The automatic water cutting device for the oil tank as recited in claim 1, characterized in that a spiral stirring blade (49) is arranged on one side of the stirring rod (46) far away from the stirring body (45), the spiral stirring blade (49) is in a spiral shape, and the axis of the spiral stirring blade (49) is coincident with the axis of the stirring body (45).
3. The automatic water cutting device for oil tanks according to claim 1, characterized in that the bottom of the settling tank (4) is provided with a slag discharge port (18).
4. An automatic water cutting device for oil tanks according to claim 1 characterized in that the middle of the settling tank (4) is provided with a viewing window (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920524090.2U CN209956643U (en) | 2019-04-16 | 2019-04-16 | Automatic water-cutting device for oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920524090.2U CN209956643U (en) | 2019-04-16 | 2019-04-16 | Automatic water-cutting device for oil tank |
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| Publication Number | Publication Date |
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| CN209956643U true CN209956643U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920524090.2U Active CN209956643U (en) | 2019-04-16 | 2019-04-16 | Automatic water-cutting device for oil tank |
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| CN (1) | CN209956643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116374431A (en) * | 2023-04-25 | 2023-07-04 | 广东石油化工学院 | Oil product drainage device and method for large-scale oil storage tank |
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2019
- 2019-04-16 CN CN201920524090.2U patent/CN209956643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116374431A (en) * | 2023-04-25 | 2023-07-04 | 广东石油化工学院 | Oil product drainage device and method for large-scale oil storage tank |
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