CN213555500U - Light oil water separation system - Google Patents
Light oil water separation system Download PDFInfo
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- CN213555500U CN213555500U CN202022466951.1U CN202022466951U CN213555500U CN 213555500 U CN213555500 U CN 213555500U CN 202022466951 U CN202022466951 U CN 202022466951U CN 213555500 U CN213555500 U CN 213555500U
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Abstract
The utility model discloses a light oil water separation system can be used to the oil-water separation of gas gathering station, this system utilizes light oil and water layering under the effect of different density, set up the floater that is located light oil and moisture liquid level department between the outlet of the oil drain port on upper strata and lower floor, the floater goes up and down along with dividing the liquid level, and can seal oil drain port and the outlet of oil-water separation jar, mix into water when can effectively preventing "top oil", sneak into oil when carrying water ", effectually separate light oil and water, fully retrieve light oil.
Description
Technical Field
The utility model relates to an oil-water separation technical field especially relates to a light oil water separation system.
Background
The gas gathering station refers to a transfer station for collecting and processing natural gas. More than two gas wells are respectively connected to a gas collecting station from a well mouth by pipelines, natural gas sent by each gas well is respectively throttled and depressurized in the station, free liquid and other mechanical impurities in the gas are separated, the yield of the gas well is measured, and then the gas of each gas well is converged and then is transmitted to a gas collecting trunk line by the gas collecting station.
The separated free liquid contains oil, and light oil needs to be extracted from water and recovered by an oil-water separation system. The existing oil-water separation mode generally comprises the steps of introducing an oil-water mixture into an oil-water separation tank for gravity settling, layering after settling, and then separating liquid to realize oil-water separation. But the layered light oil cannot be extracted well, if not, the extraction is not thorough, and the recovery rate is low; if not, the proposed oil contains much water, and the separation effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a light oil water separation system with light oil liquid extraction recovery that can have is provided.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
light oil water separation system, its characterized in that includes:
a controller;
the gas-liquid separator is positioned at the initial end of the system, the oil-water mixed liquid enters the gas-liquid separator, is separated into gas and then can be discharged from the liquid discharge port, the liquid discharge port of the gas-liquid separator is connected with a liquid discharge pipe, and the liquid discharge pipe is provided with a control valve A; the water storage tank is provided with a water inlet pipe, and the water inlet pipe is provided with a control valve B and a second pump;
an oil storage tank;
the device comprises at least one oil-water separation tank, a liquid guide pipe connected with a liquid discharge pipe is arranged at the lower part of the oil-water separation tank, an oil guide pipe connected with the upper part of an oil storage tank is arranged at the upper part of the oil-water separation tank, a control valve C is arranged on the oil guide pipe, a primary water guide pipe connected with a water inlet pipe is arranged at the bottom of the oil-water separation tank, and a control valve D is arranged on the primary water guide pipe; and
the density of the at least one floating ball is greater than that of the oil and less than that of the water, and the at least one floating ball can be positioned at the boundary liquid level of the oil and the water;
a section of vertical sliding cylinder I is connected between the oil inlet of the oil guide pipe and the water inlet of the primary water guide pipe, a plurality of holes are distributed in the axial direction of the sliding cylinder I, a floating ball is arranged in the sliding cylinder I in a sliding mode, the floating ball rises along the sliding cylinder I to seal the oil inlet of the oil guide pipe, and the floating ball descends to seal the water inlet of the primary water guide pipe;
a first monitoring part for monitoring the height of a floating ball in the first sliding barrel and a second monitoring part for monitoring the height of a liquid level in the oil-water separation tank are arranged in the oil-water separation tank;
the signal input end of the controller is connected with a first monitoring part and a second monitoring part, and the control output end of the controller is connected with a control valve A, a control valve B, a control valve C, a control valve D and a second pump.
The further technical proposal is that the oil-water separation tank in the system is provided with two oil-water separation tanks which are connected in parallel on the liquid guide pipe, wherein one oil-water separation tank is a main tank, and the other oil-water separation tank is an auxiliary tank;
a first control valve A is arranged on the liquid guide pipe at the front end of the main tank, and a second control valve A is arranged on the liquid guide pipe at the front end of the auxiliary tank;
the control output end of the controller is further connected with a first control valve A and a second control valve A.
The further technical scheme is that a first dosing device capable of pumping a dehydrating agent into the liquid discharge pipe is arranged on the liquid discharge pipe; and the first dosing device is connected with the control output end of the controller.
The further technical proposal is that the lower part of the oil storage tank is provided with a secondary water guide pipe connected with the water inlet pipe;
a control valve E is arranged on the secondary water guide pipe;
the water inlet end of the secondary water guide pipe is connected with a vertical sliding cylinder II, the upper end of the vertical sliding cylinder II is closed, a plurality of holes are distributed in the axial direction of the sliding cylinder II, a floating ball is arranged in the sliding cylinder II in a sliding mode, and the floating ball descends along the sliding cylinder II to seal the water inlet of the secondary water guide pipe;
a monitoring part V for monitoring the height of the floating ball in the sliding cylinder II is arranged in the oil storage tank;
the signal input end of the controller is further connected with a monitoring part V, and the control output end of the controller is further connected with a control valve E.
The further technical scheme is that a second dosing device capable of pumping the dehydrating agent into the oil guide pipe is arranged on the oil guide pipe; and the second dosing device is connected with the control output end of the controller.
The technical scheme is that an oil return pipe is connected between the upper part of the water storage tank and the upper part of the oil storage tank, and a control valve G is arranged on the oil return pipe;
the oil inlet of the oil return pipe is connected with a vertical third sliding barrel, the lower end of the third sliding barrel is closed, a plurality of holes are distributed in the third sliding barrel in the axial direction, a floating ball is arranged in the third sliding barrel in a sliding mode, and the floating ball rises along the third sliding barrel to seal the oil inlet of the oil return pipe;
a third monitoring part for monitoring the liquid level in the tank and a fourth monitoring part for monitoring the height of a floating ball in the third sliding cylinder are arranged in the water storage tank;
the signal input end of the controller is further connected with a third monitoring part and a fourth monitoring part, and the control output end of the controller is further connected with a control valve G.
The further technical proposal is that the water storage tank is provided with an overflow port above the oil return pipe.
The further technical proposal is that a third dosing device which can pump dehydrating agent into the pipe is arranged on the water inlet pipe; and the third dosing device is connected with the control output end of the controller.
The further technical scheme is that the top cover of the oil-water separation tank is of a normally closed structure, and the top cover of the oil storage tank is of a normally open structure.
The further technical scheme is that a sand discharge pipe with a control valve F is arranged at the bottom of the oil-water separation tank and/or the oil storage tank and is connected to a sedimentation tank.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
this system utilizes light oil and water layering under the effect of different density, sets up the floater that is located light oil and moisture liquid level department between the drain outlet on upper strata and the drain outlet of lower floor, and the floater goes up and down along with dividing the liquid level to can seal oil drain outlet and the drain outlet of oil water separating tank, mix into water when can effectively preventing "top oil", sneak into oil when "carrying water", effectually separate light oil and water, fully retrieve light oil.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Example one
As shown in fig. 1, in an embodiment of the light oil water separation system of the present disclosure, the light oil water separation system may be used for oil-water separation in a gas gathering station. The system comprises a controller, a gas-liquid separator 1, a water storage tank 2, at least one oil storage tank 3 and at least one floating ball. Wherein, in order to save the occupation of ground space, the gas-liquid separator 1 and the water storage tank 2 are positioned on the ground, and the rest components are positioned underground. The gas-liquid separator 1 is a conventional technology, and will not be described herein, the gas-liquid separator 1 is located at the beginning of the system, and the oil-water mixed liquid enters the gas-liquid separator 1 and is separated into gas, which can be discharged from the liquid discharge port to the gas collecting main line. A liquid discharge pipe is connected to a liquid discharge port of the gas-liquid separator 1, and a control valve a101 is provided on the liquid discharge pipe.
The water storage tank 2 is provided with a water inlet pipe, the water inlet pipe is provided with a control valve B102 and a second pump 201, and the bottom of the water storage tank 2 is provided with a pipe with a valve, so that water in the water storage tank 2 can be discharged and transported away.
A liquid guide pipe 401 connected with a liquid discharge pipe is arranged at the lower part of the oil-water separation tank 4, an oil guide pipe 402 connected with the upper part of the oil storage tank 3 is arranged at the upper part of the oil-water separation tank 4, a control valve C103 is arranged on the oil guide pipe 402, a primary water guide pipe 403 connected with a water inlet pipe is arranged at the bottom of the oil-water separation tank 4, and a control valve D104 is arranged on the primary water guide pipe 403. Thereby connecting the whole light oil water separation system.
The floating ball used in the system has a density greater than that of oil and less than that of water, and can be located at the interface level of oil and water.
In order to control the system to open or close an oil discharge port and a water discharge port of the oil-water separator at a proper time, in the system, a section of vertical sliding cylinder I501 is connected between an oil inlet of an oil guide pipe 402 and a water inlet of a primary water guide pipe 403, a plurality of holes are distributed in the axial direction of the sliding cylinder I501, a floating ball is arranged in the sliding cylinder I501 in a sliding mode, the floating ball rises along the sliding cylinder I501 to seal the oil inlet of the oil guide pipe 402, and descends to seal the water inlet of the primary water guide pipe 403.
A first monitoring part for monitoring the height of a floating ball in the first sliding barrel 501 and a second monitoring part for monitoring the height of a liquid level in the oil-water separation tank 4 are arranged in the oil-water separation tank 4, and the monitoring parts can adopt the existing distance measuring modes such as an infrared sensor and a distance sensor.
The controller can adopt a logic controller which can be programmed by a PLC, the signal input end of the controller is connected with a first monitoring part, and the control output end of the controller is connected with a control valve A101, a control valve B102, a control valve C103, a control valve D104 and a second pump 201.
When the system is used for oil-water separation in a gas gathering station, the operation steps are as follows:
1. the gas-liquid mixture enters a gas-liquid separator 1 and is subjected to gas-liquid separation through the gas-liquid separator 1;
2. the controller controls the control valve A101 to be opened, separated gas is input into the gas collecting main line through the exhaust port, and liquid enters the oil-water separation tank 4 through the liquid guide pipe 401 under the action of liquid level difference and the pressure in the gas-liquid separator 1;
3. when the monitoring part II monitors that the liquid level in the oil-water separation tank 4 reaches a set upper limit value, the controller controls a control valve A101 at the front end of the oil-water separation tank 4 to be closed, and liquid is stopped from being discharged into the oil-water separation tank 4;
4. after standing for 1-2 hours, oil and water in the oil-water separation tank 4 are layered, light oil is on, water is under, the controller controls the control valve A101 to be opened, the gas-liquid separator 1 continues to discharge liquid into the oil-water separation tank 4, the oil on the upper layer overflows from the oil guide pipe 402 into the oil storage tank 3 to be collected, the floating ball in the sliding barrel I501 rises along with the liquid separation surface, when the oil layer in the oil-water separation tank 4 is drained, the floating ball rises to seal the oil discharge port of the oil-water separation tank 4, and water is prevented from entering the oil storage tank 3;
meanwhile, when the monitoring part I monitors that the floating ball in the sliding barrel I501 rises to a set maximum value (an oil discharge port of the oil-water separation tank 4), the controller controls the control valve A101 to be closed, and the gas-liquid separator 1 stops discharging liquid into the oil-water separation tank 4 to finish the operation of replacing oil;
5. standing for 1-2 hours again, layering oil and water in the oil-water separation tank 4, controlling the opening of a second pump 201 and the opening of a control valve B102 and a control valve D104 by a controller, pumping the water at the lower layer in the oil-water separation tank 4 into the water storage tank 2, descending a floating ball in a first sliding cylinder 501 along with a liquid separating surface, and when the water layer in the oil-water separation tank 4 is drained completely, descending the floating ball to block a water outlet of the oil-water separation tank 4 to prevent the oil from entering the water storage tank 2;
meanwhile, when the monitoring part I monitors that the floating ball in the sliding barrel I501 drops to a set minimum value (a water discharge port of the oil-water separation tank 4), the controller controls the pump II 201 to be closed, the control valve B102 and the control valve D104 to be closed, and stops pumping water from the oil-water separation tank 4 to finish the operation of pumping water;
6. and repeating the steps to circularly finish the operations of 'displacing oil' and 'pumping water'.
This system utilizes light oil and water layering under the effect of different density, sets up the floater that is located light oil and moisture liquid level department between the drain outlet on upper strata and the drain outlet of lower floor, and the floater goes up and down along with dividing the liquid level to can seal oil drain outlet and the drain outlet of oil water separator tank 4, mix into water when can effectively preventing "top oil", sneak into oil when "carrying water", effectual with light oil and water separation, fully retrieve light oil.
Example two
According to a specific embodiment disclosed, the oil-water separation tank 4 in the system is provided with two oil-water separation tanks 4 which are connected in parallel to the liquid guide pipe 401, wherein one oil-water separation tank 4 is a main tank, and the other oil-water separation tank 4 is an auxiliary tank. The liquid guide pipe 401 at the front end of the main tank is provided with a first control valve A, the liquid guide pipe 401 at the front end of the auxiliary tank is provided with a second control valve A, and the control output end of the controller is further connected with the first control valve A and the second control valve A.
The main tank and the sub tank are opposed to each other, and each of the oil-water separation tanks 4 may be either the main tank or the sub tank.
When the gas-liquid separator works, the first control valve A and the second control valve A are opened firstly, the gas-liquid separator 1 preferentially discharges liquid into the main tank, and when the main tank is in a standing stage and the gas-liquid separation tank needs to discharge liquid, the controller controls the first control valve A to be closed and the second control valve A to be opened, and the liquid is discharged into the auxiliary tank. The two oil-water separation tanks 4 are used for standby and repeatedly used alternately, and the two oil-water separation tanks 4 are sequentially and circularly used.
EXAMPLE III
According to a disclosed embodiment, in order to enable oil and water in the oil-water separation tank 4 to be layered better, a first dosing device 601 capable of pumping a dehydrating agent into the pipe is arranged on the liquid discharge pipe, and the first dosing device 601 is connected with a control output end of the controller.
The dosing device is the prior art and is not described herein. When the gas-liquid separator 1 discharges a large amount of liquid into the oil-water separation tank 4, or at regular time, the controller can control the first chemical adding device 601 to be opened for a certain time, and a certain dehydrating agent is added into the oil-water separation tank 4 to promote oil-water separation.
Example four
According to one embodiment disclosed, in order to ensure the purity of the oil in the oil storage tank 3, secondary oil-water separation can be performed by the oil storage tank 3.
Specifically, a secondary water guide pipe 404 connected with the water inlet pipe is arranged at the lower part of the oil storage tank 3, and a control valve E105 is arranged on the secondary water guide pipe 404; the water inlet end of the secondary water guide pipe 404 is connected with a vertical sliding cylinder II 502, the upper end of the vertical sliding cylinder II is closed, a plurality of holes are distributed in the axial direction of the sliding cylinder II 502, a floating ball is arranged in the sliding cylinder II 502 in a sliding mode, and the floating ball descends along the sliding cylinder II 502 to close the water inlet of the secondary water guide pipe 404; a monitoring part V for monitoring the height of the floating ball in the sliding cylinder II 502 and a monitoring part VI for monitoring the height of the liquid level in the oil storage tank 3 are arranged in the oil storage tank 3; the signal input end of the controller is further connected with a monitoring part five and a monitoring part six, and the control output end of the controller is further connected with a control valve E105.
When the monitoring part five monitors that the floating ball in the sliding cylinder II 502 is higher than a set value (the water inlet of the secondary water guide pipe 404), the water layer is proved to exist in the oil storage, the controller controls the control valve D104 to be closed, the control valve E105 to be opened, the pump II 201 is started, and the water in the oil storage tank 3 is pumped into the water storage tank 2. In the process, the floating ball of the second sliding cylinder 502 descends along with the drainage of the oil storage tank 3, when the water in the oil storage tank 3 is drained, the floating ball descends to block the water inlet of the second water guide pipe 404, the drainage is stopped, and when the monitoring part five monitors that the floating ball in the second sliding cylinder 502 is located at a set value (the water inlet of the second water guide pipe 404), the controller controls the second pump 201 to stop working.
The oil storage tank 3 is used for secondary oil-water separation, further separation of oil and water is facilitated, the secondary separation tank is basically pure oil, liquid of the secondary separation tank is not disturbed greatly due to continuous 'displacement of oil and water pumped by a pump' like the primary separation tank, and liquid in the secondary separation tank is disturbed very little, so that oil-water separation is facilitated.
When the oil storage tank 3 is also provided with an oil discharge port with a valve, the recovered oil can be discharged and carried away from the oil storage tank 3, and the recovered oil can be recycled. When monitoring portion six monitors that the liquid level in the oil storage tank 3 reaches the maximum value that sets up to give controller with signal transmission, the controller control alarm is reported to the police, reminds the staff to carry out the oil extraction operation to oil storage tank 3.
EXAMPLE five
According to a specific embodiment disclosed, in order to perform secondary separation of oil and water in the oil storage tank 3, a second dosing device 602 capable of pumping a dehydrating agent into the oil conduit 402 is arranged on the oil conduit 402, and the second dosing device 602 is connected with the control output end of the controller.
The dosing device is the prior art and is not described herein. When the oil-water separation tank 4 discharges oil into the oil storage tank 3, or at regular time, the controller can control the second dosing device 602 to be opened for a certain time, and a certain dehydrating agent is added into the oil storage tank 3 to promote oil-water stratification.
EXAMPLE six
According to an embodiment disclosed, since the water storage tank 2 may accumulate oil leaked from a point in a long-term use, an oil return pipe 405 is connected between an upper portion of the water storage tank 2 and an upper portion of the oil storage tank 3, and the oil return pipe 405 is provided with a control valve G202. An oil inlet of the oil return pipe 405 is connected with a vertical third sliding barrel 503, the lower end of the vertical third sliding barrel 503 is closed, a plurality of holes are distributed in the axial direction of the third sliding barrel 503, a floating ball is arranged in the third sliding barrel 503 in a sliding mode, and the floating ball rises along the third sliding barrel 503 to close the oil inlet of the oil return pipe 405. A third monitoring part for monitoring the liquid level in the tank and a fourth monitoring part for monitoring the height of the floating ball in the third sliding cylinder 503 are arranged in the water storage tank 2. The signal input end of the controller is further connected with a third monitoring part and a fourth monitoring part, and the control output end of the controller is further connected with a control valve G202.
After the liquid level in the water storage tank 2 reaches a certain height, when the liquid level in the water storage tank 2 monitored by the monitoring part three is higher than the floating ball height in the sliding barrel three 503 monitored by the monitoring part four, the fact that residual oil exists in the water storage tank 2 is proved, the controller controls the control valve G202 to be opened after receiving a signal, and oil on the upper layer of the water storage tank 2 is pumped into the oil storage tank 3 through gravity backflow.
When the liquid level in the water storage tank 2 monitored by the monitoring part three is the same as the floating ball height in the sliding cylinder three 503 monitored by the monitoring part four, the oil in the water storage tank 2 is completely discharged, the controller controls the control valve G202 to close, and the water storage tank 2 stops discharging the oil into the oil storage tank 3.
When the liquid level of the water in the water storage tank 2 rises continuously, the floating ball in the third sliding cylinder 503 seals the inlet of the oil return pipe 405 along with the rising of the liquid level, and the water in the oil return pipe 405 is prevented from entering.
When the liquid level in the water storage tank 2 monitored by the monitoring part III reaches the maximum set value, the controller can control the alarm to give an alarm to remind a worker to discharge the water storage tank 2.
EXAMPLE seven
According to an embodiment disclosed, in order to avoid excessive pressure inside the water storage tank 2 due to untimely drainage of the staff after the water storage tank 2 is full, the water storage tank 2 is provided with an overflow port 504 above the oil return pipe 405, and the overflow port 504 is in a normally open state.
Example eight
According to a specific embodiment disclosed, in order to separate the oil and the water in the water storage tank 2 for three times, a third dosing device 603 capable of pumping the dehydrating agent into the water inlet pipe is arranged on the water inlet pipe, and the third dosing device 603 is connected with the control output end of the controller.
The dosing device is the prior art and is not described herein. When water is drained into the water storage tank 2, or at regular time, the controller can control the third dosing device 603 to be opened for a certain time, and a certain dehydrating agent is added into the water storage tank 2 to promote oil-water stratification.
Example nine
According to a specific embodiment disclosed, the top cover of the oil-water separation tank 4 is of a normally closed structure, so that oil loss caused by tank overflow caused by human oversight during liquid discharge of the gas-liquid separator 1 is prevented. The top cover of the oil storage tank 3 is of a normally open structure.
Example ten
According to a specific embodiment disclosed, the bottom of the oil-water separation tank 4 and/or the oil storage tank 3 is provided with a sand discharge pipe with a control valve F, and the sand discharge pipe is connected to a sedimentation tank.
The above is only the preferred embodiment of the present invention, and any person can make some simple modifications, deformations and equivalent replacements according to the present invention, all fall into the protection scope of the present invention.
Claims (10)
1. Light oil water separation system, its characterized in that includes:
a controller;
the gas-liquid separator (1) is positioned at the initial end of the system, the oil-water mixed liquid enters the gas-liquid separator (1), gas is separated out and then can be discharged from the liquid discharge port, the liquid discharge port of the gas-liquid separator (1) is connected with a liquid discharge pipe, and a control valve A (101) is arranged on the liquid discharge pipe;
the water storage tank (2) is provided with a water inlet pipe, and the water inlet pipe is provided with a control valve B (102) and a second pump (201);
an oil storage tank (3);
the oil-water separation device comprises at least one oil-water separation tank (4), wherein a liquid guide pipe (401) connected with a liquid discharge pipe is arranged at the lower part of the oil-water separation tank (4), an oil guide pipe (402) connected with the upper part of an oil storage tank (3) is arranged at the upper part of the oil-water separation tank (4), a control valve C (103) is arranged on the oil guide pipe (402), a primary water guide pipe (403) connected with a water inlet pipe is arranged at the bottom of the oil-water separation tank (4), and a control valve D (104) is arranged on the primary water guide pipe (403); and
the density of the at least one floating ball is greater than that of the oil and less than that of the water, and the at least one floating ball can be positioned at the boundary liquid level of the oil and the water;
a section of vertical sliding cylinder I (501) is connected between the oil inlet of the oil guide pipe (402) and the water inlet of the primary water guide pipe (403), a plurality of holes are distributed in the axial direction of the sliding cylinder I (501), a floating ball is arranged in the sliding cylinder I (501) in a sliding manner, the floating ball rises along the sliding cylinder I (501) and can seal the oil inlet of the oil guide pipe (402), and the floating ball descends and can seal the water inlet of the primary water guide pipe (403);
a first monitoring part for monitoring the height of a floating ball in the sliding barrel I (501) and a second monitoring part for monitoring the height of a liquid level in the oil-water separation tank (4) are arranged in the oil-water separation tank (4);
the signal input end of the controller is connected with a first monitoring part and a second monitoring part, and the control output end of the controller is connected with a control valve A (101), a control valve B (102), a control valve C (103), a control valve D (104) and a second pump (201).
2. The light oil water separation system of claim 1,
the oil-water separation tank (4) in the system is provided with two oil-water separation tanks (4) which are connected in parallel to the liquid guide pipe (401), wherein one of the two oil-water separation tanks (4) is a main tank, and the other one of the two oil-water separation tanks is an auxiliary tank;
a first control valve A is arranged on the liquid guide pipe (401) at the front end of the main tank, and a second control valve A is arranged on the liquid guide pipe (401) at the front end of the auxiliary tank;
the control output end of the controller is further connected with a first control valve A and a second control valve A.
3. The light oil water separation system of claim 1,
a first dosing device (601) capable of pumping a dehydrating agent into the liquid discharge pipe is arranged on the liquid discharge pipe;
the first dosing device (601) is connected with the control output end of the controller.
4. The light oil water separation system of claim 1,
a secondary water guide pipe (404) connected with the water inlet pipe is arranged at the lower part of the oil storage tank (3);
a control valve E (105) is arranged on the secondary water guide pipe (404);
the water inlet end of the secondary water guide pipe (404) is connected with a vertical sliding cylinder II (502), the upper end of the sliding cylinder II is closed, a plurality of holes are distributed in the axial direction of the sliding cylinder II (502), a floating ball is arranged in the sliding cylinder II (502) in a sliding mode, and the floating ball descends along the sliding cylinder II (502) to seal the water inlet of the secondary water guide pipe (404);
a fifth monitoring part for monitoring the height of the floating ball in the sliding cylinder II (502) is arranged in the oil storage tank (3);
the signal input end of the controller is further connected with a monitoring part V, and the control output end of the controller is further connected with a control valve E (105).
5. The light oil water separation system of claim 4,
a second dosing device (602) capable of pumping a dehydrating agent into the oil guide pipe (402) is arranged on the oil guide pipe;
and the second dosing device (602) is connected with the control output end of the controller.
6. The light oil water separation system according to claim 1 or 4,
an oil return pipe (405) is connected between the upper part of the water storage tank (2) and the upper part of the oil storage tank (3), and a control valve G (202) is arranged on the oil return pipe (405);
a vertical sliding barrel III (503) is connected to an oil inlet of the oil return pipe (405), the lower end of the oil return pipe is closed, a plurality of holes are distributed in the axial direction of the sliding barrel III (503), a floating ball is arranged in the sliding barrel III (503) in a sliding manner, and the floating ball rises along the sliding barrel III (503) to close the oil inlet of the oil return pipe (405);
a third monitoring part for monitoring the liquid level in the tank and a fourth monitoring part for monitoring the height of a floating ball in the third sliding cylinder (503) are arranged in the water storage tank (2);
the signal input end of the controller is further connected with a third monitoring part and a fourth monitoring part, and the control output end of the controller is further connected with a control valve G (202).
7. The light oil water separation system of claim 6, wherein the water storage tank (2) is provided with an overflow port (504) above the oil return pipe (405).
8. The light oil water separation system of claim 1,
a third dosing device (603) capable of pumping dehydrating agent into the water inlet pipe is arranged on the water inlet pipe;
and the third dosing device (603) is connected with the control output end of the controller.
9. The light oil water separation system according to claim 1, wherein a top cover of the oil-water separation tank (4) is of a normally closed structure, and a top cover of the oil storage tank (3) is of a normally open structure.
10. The light oil water separation system of claim 1, wherein the bottom of the oil-water separation tank (4) and/or the oil storage tank (3) is provided with a sand discharge pipe with a control valve F, and the sand discharge pipe is connected to a sedimentation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022466951.1U CN213555500U (en) | 2020-10-30 | 2020-10-30 | Light oil water separation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022466951.1U CN213555500U (en) | 2020-10-30 | 2020-10-30 | Light oil water separation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213555500U true CN213555500U (en) | 2021-06-29 |
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ID=76531872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022466951.1U Active CN213555500U (en) | 2020-10-30 | 2020-10-30 | Light oil water separation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213555500U (en) |
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2020
- 2020-10-30 CN CN202022466951.1U patent/CN213555500U/en active Active
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