CN114247183A - Oil-water interface adjusting device of petroleum and natural gas three-phase separator - Google Patents

Oil-water interface adjusting device of petroleum and natural gas three-phase separator Download PDF

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Publication number
CN114247183A
CN114247183A CN202111587726.6A CN202111587726A CN114247183A CN 114247183 A CN114247183 A CN 114247183A CN 202111587726 A CN202111587726 A CN 202111587726A CN 114247183 A CN114247183 A CN 114247183A
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oil
chamber
plate
water
valve
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Chinese (zh)
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李�荣
刘太敏
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Jiangsu Huapu Taike Petroleum Equipment Co ltd
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Jiangsu Huapu Taike Petroleum Equipment Co ltd
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Priority to CN202111587726.6A priority Critical patent/CN114247183A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D17/00Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02Separation of non-miscible liquids
    • B01D17/0208Separation of non-miscible liquids by sedimentation
    • B01D17/0214Separation of non-miscible liquids by sedimentation with removal of one of the phases
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G33/00Dewatering or demulsification of hydrocarbon oils
    • C10G33/06Dewatering or demulsification of hydrocarbon oils with mechanical means, e.g. by filtration
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/34Arrangements for separating materials produced by the well

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Thermal Sciences (AREA)
  • Removal Of Floating Material (AREA)

Abstract

The invention discloses an oil-water interface adjusting device of a petroleum and natural gas three-phase separator, and belongs to the technical field of petroleum separation. The water-saving type oil-water separator comprises a shell, wherein a flow stabilizing plate and an overflow plate are sequentially fixed at the bottom of the shell from left to right, a water chamber is arranged at the left side of the flow stabilizing plate, a separation chamber is arranged between the flow stabilizing plate and the overflow plate, and an oil chamber is arranged at the right side of the overflow plate; a water outlet pipe and an overflow pipe which is vertically arranged are arranged at the bottom of the water chamber; a cone valve is arranged between the upper end of the overflow pipe and the water chamber, and a switch valve is arranged at the lower end of the overflow pipe; a plurality of uniformly distributed sliding rods are connected below the upper cover I; the lower ends of the sliding rods are slidably sleeved with floating plates, the centers of the floating plates are fixedly connected with pull rods, and the lower ends of the pull rods are connected with valve rods of the cone valves. The floating plate floats to drive the cone valve to discharge a proper amount of water, so that the height of an oil-water interface is maintained, and the oil-water separation efficiency and quality are improved.

Description

Oil-water interface adjusting device of petroleum and natural gas three-phase separator
Technical Field
The invention relates to the technical field of oil separation, in particular to an oil-water interface adjusting device of an oil-gas three-phase separator.
Background
The three-phase separator is widely applied to oil exploitation, so that the oil which is exploited may be mixed with underground water, solid particles and underground natural gas, and the oil of the three-phase separator needs to be treated. Through the development of many years, the types and models of oil-gas-water three-phase separators are continuously increased, and the separation efficiency is also continuously improved. The gravity type oil-water separator is widely applied to an ocean platform due to the advantages of simple and convenient operation, stable operation, low maintenance cost and the like.
In the oil-water separation process, the height of the oil-water interface needs to be controlled. The optimal working mode is to keep the height of the oil-water interface at a constant height so as to ensure that the oil-water separation achieves the optimal effect.
The Chinese patent discloses a three-phase separator oil-water interface intelligent regulating device (CN211189201U), which comprises a three-phase separator body, a water weir pipe, an oil flow meter, a water flow meter, a PLC control system and an interface regulator, wherein the oil-water interface intelligent regulating device is additionally arranged on the three-phase separator to intelligently and efficiently separate oil and water, so that the separation effect of the three-phase separator is improved. Specifically, the oil flow meter and the water flow meter detect the oil and water outlet amount and feed the oil and water outlet amount back to the PLC control system, the PLC control system calculates the oil and water outlet amount and sends an instruction to adjust the rotation of the servo motor, the rotation of the screw rod is realized, and the overflow height of the water weir pipe is adjusted through the screw rod, so that the oil-water interface height in the three-phase separator is adjusted.
The above patent has the following defects in the practical application process:
the electronic detection element is used more, the cost is higher, and the electronic device is easy to corrode and has insufficient durability in an oil-water separation environment; the method comprises the steps of detecting the amount of oil and water by an oil flow meter and a water flow meter, and then reversely deducing the height of an oil-water interface, wherein the calculation error is caused by the reverse deduction mode because the oil-water ratio of crude oil is changed; moreover, the error is accumulated along with the working time, so that the oil-water interface is highly unstable, the program debugging needs to be updated regularly, and the maintenance difficulty is increased.
Disclosure of Invention
In order to solve the technical problems, the invention provides the oil-water interface adjusting device of the oil-gas three-phase separator, which has a simple structure and is convenient to maintain.
The invention is realized by the following technical scheme: an oil-water interface adjusting device of a petroleum and natural gas three-phase separator comprises a shell, wherein the upper end of the shell is provided with an upper cover I and an upper cover II;
a flow stabilizing plate and an overflow plate are sequentially fixed at the bottom of the shell from left to right, a water chamber is arranged at the left side of the flow stabilizing plate, a separation chamber is arranged between the flow stabilizing plate and the overflow plate, and an oil chamber is arranged at the right side of the overflow plate;
an air bag is mounted on the upper cover II above the oil chamber, and an oil outlet pipe is mounted at the bottom of the oil chamber;
an oil inlet pipe is arranged on the upper cover II above the separation chamber and communicated to the bottom of the separation chamber through a flow stabilizing pipe; the bottom of the separation chamber is fixed with a left coalescer and a right coalescer; the left coalescer is arranged close to the flow stabilizing plate, and the right coalescer is arranged close to the overflow plate;
a water outlet pipe and a vertically arranged overflow pipe are arranged at the bottom of the water chamber; a cone valve is arranged between the upper end of the overflow pipe and the water chamber, and a switch valve is arranged at the lower end of the overflow pipe; the upper cover I is positioned above the water chamber, and a plurality of uniformly distributed slide bars are connected below the upper cover I; the lower ends of the sliding rods are slidably sleeved with floating plates, springs are arranged between the floating plates and the sliding rods, and the springs give downward movement force to the floating plates; the center of the floating plate is fixedly connected with a pull rod, and the lower end of the pull rod is connected with a valve rod of the cone valve.
It further comprises the following steps: the cone valve comprises an outer cylinder communicated with the water chamber, the upper end of the outer cylinder is fixed at the bottom of the shell through a flange plate and a bolt, and the lower end of the outer cylinder is connected with the overflow pipe; the inner wall of the outer barrel is provided with a valve seat, and a conical valve core is arranged in the valve seat; the upper end of the conical valve core is connected with the valve rod through threads, and the lower end of the conical valve core is connected with a stud; a piston is arranged on the stud and is in sliding fit with the inner wall of the outer barrel; a T-shaped flow passage is arranged in the stud, and the T-shaped flow passage is communicated with the lower end of the conical valve core and the lower end of the stud.
The switch valve is an electromagnetic valve, the switch valve is opened when power is supplied, and the switch valve is closed when power is lost.
The upper end of the pull rod penetrates through a center hole of the floating plate, and the upper end of the pull rod and the floating plate are fixed through a nut I; the lower end of the pull rod is provided with a threaded hole, and the threaded hole at the lower end of the pull rod is connected with a valve rod of the cone valve.
The floating plate is a circular flat plate, and through holes are uniformly distributed in the floating plate.
The periphery of the floating plate is provided with an installation hole, a sliding sleeve is fixedly installed in the installation hole of the floating plate, and the sliding sleeve is perpendicular to the floating plate; the lower end of the sliding rod is slidably arranged in the sliding sleeve in a penetrating manner, and the middle part of the sliding rod is provided with a step; the spring is sleeved on the sliding rod, the upper end of the spring is abutted under the step, and the lower end of the spring is abutted on the sliding sleeve.
The number of the slide bars is 3, and the 3 slide bars are uniformly distributed around the center of the floating plate; the external screw thread has been seted up to the slide bar upper end, has seted up threaded hole on the upper cover I, and the slide bar upper end is worn to establish in I threaded hole of upper cover through threaded connection, and nut II is installed to the slide bar upper end.
The flow stabilizing plate is provided with uniformly distributed through holes.
The lower end of the flow stabilizing pipe is contacted with the bottom plate of the separation chamber, the flow stabilizing pipe comprises an upper chamber, a middle chamber and a lower chamber which are sequentially communicated, and two ends of the middle chamber are in transitional connection with the upper chamber and the lower chamber through conical surfaces; a through hole is formed in the conical surface between the middle chamber and the lower chamber, and a through groove is formed in the side wall of the lower chamber; the upper ends of the left coalescer and the right coalescer are higher than the through groove on the side wall of the lower cavity chamber.
Compared with the prior art, the invention has the beneficial effects that: the floating of the floating plate drives the cone valve to discharge a proper amount of water, so that the height of an oil-water interface is maintained, and the oil-water separation efficiency and quality are improved; the height of the oil-water interface can be adjusted by adjusting the height of the sliding rod so as to adapt to the separation of crude oil with different qualities and eliminate errors after long-time work; the pure mechanical structure is adopted, so that the cost of oil-water interface adjustment is reduced, and the method is suitable for popularization; the flow stabilizing pipe and the flow stabilizing plate are arranged to reduce the floating of the liquid level, reduce the influence on the floating plate adjusting mechanism and improve the adjusting precision of the floating plate.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
in the figure: 1. an on-off valve; 2. an overflow pipe; 3. a cone valve; 3-1, a valve rod; 3-2, an outer cylinder; 3-3, valve seats; 3-4, a conical valve core; 3-5, a piston; 3-6, a stud; 3-7, T-shaped flow passage; 4. a water outlet pipe; 5. a housing; 6. a pull rod; 7. a sliding sleeve; 8. an upper cover I; 9. a step; 10. a slide bar; 11. a nut II; 12. a spring; 13. a floating plate; 14. a nut I; 15. a flow stabilizer; 16. a left coalescer; 17. a right coalescer; 18. an overflow plate; 19. an oil outlet pipe; 20. air bags; 21. a flow stabilizing pipe; 21-1, an upper chamber; 21-2, a middle chamber; 21-3, a lower chamber; 22. an oil inlet pipe; 23. an upper cover II; a. a water chamber; b. a separation chamber; c. an oil chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figures 1 and 2, an oil-water interface adjusting device of an oil-gas three-phase separator is characterized in that an upper cover I8 and an upper cover II 23 are fixed at the upper end of a shell 5 through a flange plate and bolts. A flow stabilizing plate 15 and an overflow plate 18 are sequentially fixed at the bottom of the shell 5 from left to right, and the flow stabilizing plate 15 is provided with uniformly distributed through holes. The left side of the flow stabilizing plate 15 is a water chamber a, a separation chamber b is arranged between the flow stabilizing plate 15 and the overflow plate 18, and the right side of the overflow plate 18 is an oil chamber c. An air bag 20 is arranged on the upper cover II 23 above the oil chamber c, and the air bag 20 is used for collecting natural gas dispersed in crude oil. An oil outlet pipe 19 is arranged at the bottom of the oil chamber c, and oil floating on water in the separation chamber b overflows the overflow plate 18 and enters the oil chamber c.
The bottom of the separation chamber b is fixed with a left coalescer 16 and a right coalescer 17, the left coalescer 16 is arranged close to the steady flow plate 15, and the right coalescer 17 is arranged close to the overflow plate 18. An oil inlet pipe 22 is arranged on an upper cover II 23 above the separation chamber b, and the oil inlet pipe 22 is communicated to the bottom of the separation chamber b through a flow stabilizing pipe 21. The lower end of the flow stabilizing pipe 21 is contacted with the bottom plate of the separation chamber b, and the flow stabilizing pipe 21 comprises an upper chamber 21-1, a middle chamber 21-2 and a lower chamber 21-3 which are communicated in sequence. A through hole is arranged on the conical surface between the middle chamber 21-2 and the lower chamber 21-3, and a through groove is arranged on the side wall of the lower chamber 21-3. The upper ends of the left coalescer 16 and the right coalescer 17 are higher than the through slots of the side walls of the lower chamber 21-3. Crude oil enters the upper chamber 21-1 from the oil inlet pipe 22, then enters the lower chamber 21-3 through the middle chamber 21-2, and finally joins with liquid in the separation chamber b through the through hole on the conical surface and the through groove on the side wall of the lower chamber 21-3, so that the impact with the liquid in the separation chamber b is reduced, and the stability of an oil-water interface is ensured.
The bottom of the water chamber a is provided with a water outlet pipe 4 and an overflow pipe 2 which is vertically arranged, and a cone valve 3 is arranged between the upper end of the overflow pipe 2 and the water chamber a. The cone valve 3 comprises an outer cylinder 3-2 communicated with the water chamber a, the upper end of the outer cylinder 3-2 is fixed at the bottom of the shell 5 through a flange plate and a bolt, and the lower end of the outer cylinder 3-2 is connected with the overflow pipe 2. The inner wall of the outer cylinder 3-2 is provided with a valve seat 3-3, a conical valve core 3-4 is arranged in the valve seat 3-3, and the conical valve core 3-4 is matched with the valve seat 3-3 to form a channel capable of being opened and closed. The upper end of the conical valve core 3-4 is connected with the valve rod 3-1 through threads, and the lower end of the conical valve core 3-4 is connected with the stud 3-6. The stud 3-6 is provided with a piston 3-5, and the piston 3-5 is in sliding fit with the inner wall of the outer cylinder 3-2 to play a guiding role. A T-shaped flow passage 3-7 is arranged in the stud 3-6, and the T-shaped flow passage 3-7 is communicated with the lower end of the conical valve core 3-4 and the lower end of the stud 3-6. The lower end of the overflow pipe 2 is provided with a switch valve 1. The switch valve 1 is an electromagnetic valve, the switch valve 1 is powered on and opened, and the switch valve 1 is powered off and closed. When the equipment has power failure, the switch valve 1 is closed to prevent oil leakage.
The floating plate 13 is a circular flat plate, the density of the floating plate 13 is between that of water and oil in crude oil, and the floating plate 13 can float at the position of an oil-water interface. The floating plate 13 is provided with uniformly distributed through holes, so that the floating stability of the floating plate 13 is improved. Mounting holes are formed in the periphery of the floating plate 13, a sliding sleeve 7 is fixedly mounted in the mounting hole of the floating plate 13, and the sliding sleeve 7 is perpendicular to the floating plate 13. The lower end of the sliding rod 10 is slidably arranged in the sliding sleeve 7 in a penetrating way, and the middle part of the sliding rod 10 is provided with a step 9. The spring 12 is sleeved on the sliding rod 10, the upper end of the spring 12 is propped under the step 9, and the lower end of the spring 12 is propped on the sliding sleeve 7. 3 slide bars 10 are provided, and 3 slide bars 10 are evenly distributed around the center of the floating plate 13, so that the floating stability of the floating plate 13 can be improved. The external screw thread has been seted up to slide bar 10 upper end, has seted up threaded hole on the upper cover I8, and the screw thread connection is worn to establish in the I8 threaded hole of upper cover through threaded connection in slide bar 10 upper end, and nut II 11 is installed to slide bar 10 upper end. The position of the sliding rod 10, namely the position of the floating plate 13, can be properly adjusted by rotating the sliding rod 10 and the nut II 11. The center of the floating plate 13 is provided with a hole, the upper end of the pull rod 6 penetrates through the center hole of the floating plate 13, and the upper end of the pull rod 6 is fixed with the floating plate 13 through a nut I14. The lower end of the pull rod 6 is provided with a threaded hole, and the threaded hole at the lower end of the pull rod 6 is connected with a valve rod 3-1 of the cone valve 3.
The working process is as follows:
crude oil enters an upper chamber 21-1 from an oil inlet pipe 22, then enters a lower chamber 21-3 through a middle chamber 21-2, and finally joins liquid in a separation chamber b through a through hole on a conical surface and a through groove on the side wall of the lower chamber 21-3;
the oil floating on the water in the separation chamber b overflows the overflow plate 18 into the oil chamber c;
the dispersed natural gas above the oil chamber c enters the gas bag 20;
the switch valve 1 is opened, when the oil-water interface in the water chamber a is increased, the floating plate 13 floats upwards, the pull rod 6 pulls the valve rod 3-1 of the cone valve 3, the channel between the cone valve core 3-4 and the valve seat 3-3 is opened, the water below enters the overflow pipe 2 from the T-shaped flow channel 3-7 to be discharged, and the oil-water interface begins to descend; after the oil-water interface descends to a certain position, the floating plate 13 falls back, and the cone valve 3 is closed;
the embodiment adopts a pure mechanical structure, so that the cost is low and the operation is reliable; the floating of the floating plate drives the cone valve to discharge a proper amount of water, so that the height of an oil-water interface is maintained, and the oil-water separation efficiency and quality are improved.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (9)

1. An oil-water interface adjusting device of an oil-gas three-phase separator,
the method is characterized in that:
comprises a shell (5), wherein the upper end of the shell (5) is provided with an upper cover I (8) and an upper cover II (23);
a flow stabilizing plate (15) and an overflow plate (18) are sequentially fixed at the bottom of the shell (5) from left to right, a water chamber (a) is arranged on the left side of the flow stabilizing plate (15), a separation chamber (b) is arranged between the flow stabilizing plate (15) and the overflow plate (18), and an oil chamber (c) is arranged on the right side of the overflow plate (18);
an air bag (20) is arranged on the upper cover II (23) above the oil chamber (c), and an oil outlet pipe (19) is arranged at the bottom of the oil chamber (c);
an oil inlet pipe (22) is arranged on the upper cover II (23) above the separation chamber (b), and the oil inlet pipe (22) is communicated to the bottom of the separation chamber (b) through a flow stabilizing pipe (21); the bottom of the separation chamber (b) is fixed with a left coalescer (16) and a right coalescer (17); the left coalescer (16) is arranged close to the flow stabilizing plate (15), and the right coalescer (17) is arranged close to the overflow plate (18);
a water outlet pipe (4) and an overflow pipe (2) which is vertically arranged are arranged at the bottom of the water chamber (a); a cone valve (3) is arranged between the upper end of the overflow pipe (2) and the water chamber (a), and a switch valve (1) is arranged at the lower end of the overflow pipe (2); the upper cover I (8) is positioned above the water chamber (a), and a plurality of uniformly distributed slide bars (10) are connected below the upper cover I (8); the lower ends of the sliding rods (10) are sleeved with floating plates (13) in a sliding mode, springs (12) are installed between the floating plates (13) and the sliding rods (10), and the springs (12) give downward movement force to the floating plates (13); the center of the floating plate (13) is fixedly connected with a pull rod (6), and the lower end of the pull rod (6) is connected with a valve rod (3-1) of the cone valve (3).
2. The oil-water interface adjusting device of the oil-gas three-phase separator as claimed in claim 1, wherein: the cone valve (3) comprises an outer cylinder (3-2) communicated with the water chamber (a), the upper end of the outer cylinder (3-2) is fixed at the bottom of the shell (5) through a flange plate and a bolt, and the lower end of the outer cylinder (3-2) is connected with the overflow pipe (2); the inner wall of the outer cylinder (3-2) is provided with a valve seat (3-3), and a conical valve core (3-4) is arranged in the valve seat (3-3); the upper end of the conical valve core (3-4) is connected with the valve rod (3-1) through threads, and the lower end of the conical valve core (3-4) is connected with a stud (3-6); a piston (3-5) is arranged on the stud (3-6), and the piston (3-5) is in sliding fit with the inner wall of the outer cylinder (3-2); a T-shaped flow passage (3-7) is arranged in the stud (3-6), and the T-shaped flow passage (3-7) is communicated with the lower end of the conical valve core (3-4) and the lower end of the stud (3-6).
3. The oil-water interface adjusting device of the oil-gas three-phase separator as claimed in claim 1, wherein: the switch valve (1) is an electromagnetic valve, the switch valve (1) is opened when power is supplied, and the switch valve (1) is closed when power is lost.
4. The oil-water interface adjusting device of the oil-gas three-phase separator as claimed in claim 1, wherein: the upper end of the pull rod (6) penetrates through a center hole of the floating plate (13), and the upper end of the pull rod (6) and the floating plate (13) are fixed through a nut I (14); the lower end of the pull rod (6) is provided with a threaded hole, and the threaded hole at the lower end of the pull rod (6) is connected with a valve rod (3-1) of the cone valve (3).
5. The oil-water interface adjusting device of the oil-gas three-phase separator as claimed in claim 1, wherein: the floating plate (13) is a circular flat plate, and through holes are uniformly distributed in the floating plate (13).
6. The oil-water interface adjusting device of the oil-gas three-phase separator as claimed in claim 1, wherein: mounting holes are formed in the periphery of the floating plate (13), a sliding sleeve (7) is fixedly mounted in the mounting hole of the floating plate (13), and the sliding sleeve (7) is perpendicular to the floating plate (13); the lower end of the sliding rod (10) penetrates through the sliding sleeve (7) in a sliding manner, and the middle part of the sliding rod (10) is provided with a step (9); the spring (12) is sleeved on the sliding rod (10), the upper end of the spring (12) abuts against the lower part of the step (9), and the lower end of the spring (12) abuts against the sliding sleeve (7).
7. The oil-water interface adjusting device of the oil-gas three-phase separator as claimed in claim 6, wherein: the number of the sliding rods (10) is 3, and the 3 sliding rods (10) are uniformly distributed around the center of the floating plate (13); the upper end of the sliding rod (10) is provided with an external thread, the upper cover I (8) is provided with a threaded hole, the upper end of the sliding rod (10) penetrates through the threaded hole of the upper cover I (8) through threaded connection, and the upper end of the sliding rod (10) is provided with a nut II (11).
8. The oil-water interface adjusting device of the oil-gas three-phase separator as claimed in claim 1, wherein: the flow stabilizing plate (15) is provided with uniformly distributed through holes.
9. The oil-water interface adjusting device of the oil-gas three-phase separator as claimed in claim 1, wherein: the lower end of the flow stabilizing pipe (21) is in contact with a bottom plate of the separation chamber (b), the flow stabilizing pipe (21) comprises an upper chamber (21-1), a middle chamber (21-2) and a lower chamber (21-3) which are communicated in sequence, and two ends of the middle chamber (21-2) are in transitional connection with the upper chamber (21-1) and the lower chamber (21-3) through conical surfaces; a through hole is formed in the conical surface between the middle chamber (21-2) and the lower chamber (21-3), and a through groove is formed in the side wall of the lower chamber (21-3); the upper ends of the left coalescer (16) and the right coalescer (17) are higher than the through groove of the side wall of the lower chamber (21-3).
CN202111587726.6A 2021-12-23 2021-12-23 Oil-water interface adjusting device of petroleum and natural gas three-phase separator Pending CN114247183A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111587726.6A CN114247183A (en) 2021-12-23 2021-12-23 Oil-water interface adjusting device of petroleum and natural gas three-phase separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111587726.6A CN114247183A (en) 2021-12-23 2021-12-23 Oil-water interface adjusting device of petroleum and natural gas three-phase separator

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Publication Number Publication Date
CN114247183A true CN114247183A (en) 2022-03-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111587726.6A Pending CN114247183A (en) 2021-12-23 2021-12-23 Oil-water interface adjusting device of petroleum and natural gas three-phase separator

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Country Link
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2596118Y (en) * 2002-12-30 2003-12-31 西安重型机械研究所 Valve for large flow-rate charging or discharging liquid
CN208799806U (en) * 2018-08-16 2019-04-30 中国石油化工股份有限公司 A kind of oil resistance drainage arrangement
CN210195728U (en) * 2019-07-10 2020-03-27 西南石油大学 Production separator for monitoring oil-water interface in real time
CN111412340A (en) * 2020-04-15 2020-07-14 青岛理工大学 Damping plunger type elastic cone valve pressurized flow guiding leakage blocking device
CN214881299U (en) * 2020-11-12 2021-11-26 中国石油化工股份有限公司 Slug flow trapping and three-phase separation integrated device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2596118Y (en) * 2002-12-30 2003-12-31 西安重型机械研究所 Valve for large flow-rate charging or discharging liquid
CN208799806U (en) * 2018-08-16 2019-04-30 中国石油化工股份有限公司 A kind of oil resistance drainage arrangement
CN210195728U (en) * 2019-07-10 2020-03-27 西南石油大学 Production separator for monitoring oil-water interface in real time
CN111412340A (en) * 2020-04-15 2020-07-14 青岛理工大学 Damping plunger type elastic cone valve pressurized flow guiding leakage blocking device
CN214881299U (en) * 2020-11-12 2021-11-26 中国石油化工股份有限公司 Slug flow trapping and three-phase separation integrated device

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