CN114106872B - Petroleum and natural gas two-phase separation equipment - Google Patents
Petroleum and natural gas two-phase separation equipment Download PDFInfo
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- CN114106872B CN114106872B CN202111394772.4A CN202111394772A CN114106872B CN 114106872 B CN114106872 B CN 114106872B CN 202111394772 A CN202111394772 A CN 202111394772A CN 114106872 B CN114106872 B CN 114106872B
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- 238000005191 phase separation Methods 0.000 title claims abstract description 17
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title description 22
- 239000003345 natural gas Substances 0.000 title description 11
- 239000003209 petroleum derivative Substances 0.000 title description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000003595 mist Substances 0.000 claims abstract description 32
- 238000000926 separation method Methods 0.000 claims abstract description 32
- 238000007667 floating Methods 0.000 claims abstract description 26
- 239000011229 interlayer Substances 0.000 claims abstract description 23
- 210000004907 gland Anatomy 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 2
- 241000883990 Flabellum Species 0.000 claims 1
- 239000003921 oil Substances 0.000 description 30
- 239000007789 gas Substances 0.000 description 12
- 239000010779 crude oil Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000003208 petroleum Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING 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
- C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0042—Degasification of liquids modifying the liquid flow
- B01D19/0047—Atomizing, spraying, trickling
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/106—Removal of contaminants of water
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention discloses oil and gas two-phase separation equipment, and belongs to the technical field of oil and gas processing. The upper end of the vertical shell is provided with an oil inlet pipe and a mist catcher, one side of the vertical shell is provided with an oil outlet pipe, and the lower end of the vertical shell is provided with a water outlet pipe; a separation plate is arranged in the vertical shell; an upper floating switch and a lower floating switch which are fixed on the outer wall of the vertical shell are arranged below the interlayer plate, and the lower floating switch is positioned below the upper floating switch; a first electromagnetic valve and a second electromagnetic valve are arranged on the water outlet pipe; the first electromagnetic valve is electrically connected with the lower floating switch, and the second electromagnetic valve is electrically connected with the upper floating switch. The invention controls the two electromagnetic valves through the two buoyancy switches, automatically drains water after the water level rises to a certain height, and closes the water outlet pipe again after the water level falls to a certain height, thereby realizing the automatic water draining function, avoiding manual operation errors and prolonging the service life of equipment.
Description
Technical Field
The invention relates to the technical field of petroleum and natural gas processing, in particular to petroleum and natural gas two-phase separation equipment.
Background
The oil-gas separator is a device for separating crude oil produced by oil well from associated natural gas. Sometimes, the separator is also used for separating, buffering and metering oil, gas, water, silt and other multiple phases. The appearance of the utility model is divided into three forms, vertical, horizontal and spherical. In the working process of the oil-gas separator, when the liquid volume is full, managers need to be reminded timely to discharge the liquid inside, otherwise, the inside of the device can be damaged.
The Chinese patent discloses special two-phase separation equipment for petroleum and natural gas (CN 108671588A), which structurally comprises a quick-opening door, a hinge, a box door, a gas outlet, a warning light, a separation host machine, a support frame, a water outlet pipe and an oil outlet pipe, wherein the quick-opening door is arranged at the left end of the separation host machine, the hinge is welded with the box door, the box door is connected with the front surface of the separation host machine through the hinge, the gas outlet is fixedly arranged in the middle of the upper end of the separation host machine, an oil inlet mechanism drives the separation mechanism to operate through the weight of the petroleum, the separation mechanism separates oil and gas of the petroleum, and then the gas is sucked through a suction mechanism, so that the oil-gas separation effect is better, and the oil-gas separation is more sufficient; then, the defogging mechanism works through the operation of the buoyancy mechanism to remove fog in the gas, so that the fog is prevented from being discharged into the air to pollute the environment; when the liquid in the equipment reaches a certain height, the buoyancy mechanism drives the power-on mechanism to operate, so that managers are reminded of discharging the liquid in the equipment.
The defects of the technology are as follows:
the buoyancy mechanism is arranged, so that a manager is reminded when liquid in the equipment reaches a certain height; but the automatic water discharging device does not have the automatic water discharging function, still needs management personnel to operate in time, and has certain potential safety hazards in use.
Disclosure of Invention
In order to solve the technical problem, the invention provides oil and natural gas two-phase separation equipment capable of automatically discharging water.
The invention is realized by the following technical scheme: a petroleum and natural gas two-phase separation device comprises a vertical shell, wherein an oil inlet pipe and a mist catcher are mounted at the upper end of the vertical shell, an oil outlet pipe is mounted at one side of the vertical shell, and a water outlet pipe is mounted at the lower end of the vertical shell; a separation plate is arranged in the vertical shell; a separation plate fixed on the inner wall of the vertical shell is arranged below the separation plate; the upper end of the interlayer plate is a conical surface, and the oil outlet pipe is opposite to the upper end edge of the interlayer plate; an upper floating switch and a lower floating switch which are fixed on the outer wall of the vertical shell are arranged below the interlayer plate, and the lower floating switch is positioned below the upper floating switch; a first electromagnetic valve and a second electromagnetic valve are mounted on the water outlet pipe; the first electromagnetic valve is electrically connected with the lower floating switch, and the second electromagnetic valve is electrically connected with the upper floating switch.
It further comprises the following steps: the upper floating switch and the lower floating switch have the same structure; the upper end and the lower end of the shell are respectively communicated with an inner cavity of the vertical shell; a sleeve is fixed in the shell; the lower end of the sleeve is positioned in the shell, the lower end of the sleeve is open, and a piston is arranged in the sleeve in a sliding fit manner; the density of the piston is greater than that of oil and less than that of water, and the upper end of the piston is connected with a piston rod; a metal ring is fixed at the upper end of the piston rod; two conductive columns opposite to the metal ring are fixed at the upper end of the sleeve.
The upper end of the piston rod is provided with a baffle table, and the metal ring is bonded on the upper side of the baffle table; the piston rod is sleeved with a return spring, the lower end of the return spring is propped against the piston, and the upper end of the return spring is propped against a step in the sleeve; an insulating cover is fixed at the upper end of the sleeve, and the conductive column is installed on the insulating cover.
The lower end of the interlayer plate is a conical surface, and a through hole penetrating through the interlayer plate is formed in the edge of the interlayer plate.
The oil outlet pipe is obliquely arranged, a flange plate I is arranged on the oil outlet pipe, and the flange plate I is fixed on the vertical shell through a screw.
The upper end of the separation plate is a conical surface, and the separation plate is provided with uniformly distributed separation holes; and the upper edge of the separating plate is provided with a flange II, and the flange II is fixed on the vertical shell through a screw.
A support frame fixed on the inner wall of the vertical shell is arranged above the separating plate, an upper bearing is arranged in the center of the support frame, and a conical air guide sleeve fixed on the support frame is arranged above the upper bearing; the lower bearing is installed at the center of the separating plate, a rotating shaft is installed between the lower bearing and the upper bearing, and fan blades are installed on the rotating shaft.
The plurality of mist traps are uniformly distributed around the axis of the upper end of the vertical shell; the upper end of the vertical shell is provided with a side hole for installing a mist catcher, a sunken filter cover is installed in the side hole, a gland is arranged above the filter cover, and the gland and the filter cover are connected and fixed at the upper end of the vertical shell through bolts; the mist catcher is fixed on the lower surface of the gland and is positioned in the filter cover, and the mist catcher is not in contact with the filter cover.
The center of the upper end of the vertical shell is provided with a middle hole for installing an oil inlet pipe; the oil inlet pipe comprises an upper pipe and a lower pipe which are butted, the butted ends of the upper pipe and the lower pipe are respectively provided with a flange plate III, and the two flange plates III are connected and fixed at the upper end of the vertical shell through bolts; a groove is formed in the lower side face of the flange plate III, and a sealing ring is installed in the groove.
Compared with the prior art, the invention has the beneficial effects that: the two electromagnetic valves are controlled by the two buoyancy switches, water is automatically discharged after the water level rises to a certain height, and the water outlet pipe is closed again after the water level falls to a certain height, so that the automatic water discharging function is realized, and the manual operation error is avoided; a passive rotary fan blade is additionally arranged to disperse crude oil, and the separation plate is arranged in a conical groove type in a matching manner, so that the oil-gas separation efficiency is improved; the separated mist catcher is convenient to replace and maintain, and mist is condensed in the through holes of the filter cover through the filter cover, so that pollution to the mist catcher is reduced, and the service life of the mist catcher is prolonged.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of the upper portion of FIG. 1;
FIG. 3 is an enlarged view at A in FIG. 1;
in the figure: 1. a vertical housing; 1-1, side holes; 1-2, mesopores; 2. an oil outlet pipe; 2-1, a flange plate I; 3. a interlayer plate; 3-1, through holes; 4. a separation plate; 4-1, separation holes; a flange plate II; 6. a support frame; 7. a mist catcher; 8. an oil inlet pipe; 8-1, lower pipe; 8-2, upper pipe; 8-3, and a flange plate III; 9. a conical air guide sleeve; 10. an upper bearing; 11. a rotating shaft; 12. a fan blade; 13. a lower bearing; 14. a floating force switch; 14-1, a shell; 14-2, a piston; 14-3, a sleeve; 14-4, a return spring; 14-5, blocking the platform; 14-6, an insulating cover; 14-7, conductive posts; 14-8, a piston rod; 14-9, a metal ring; 15. a lower float switch; 16. a first solenoid valve; 17. a second solenoid valve; 18. a seal ring; 19. a gland; 20. a filter housing; 21. and (4) a water outlet pipe.
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, a vertical casing 1 of an oil and gas two-phase separation device is a cylindrical sealed box. The center of the upper end of the vertical shell 1 is provided with a middle hole 1-2 for installing an oil inlet pipe 8. The oil inlet pipe 8 comprises an upper pipe 8-2 and a lower pipe 8-1 which are butted, the butted ends of the upper pipe 8-2 and the lower pipe 8-1 are respectively provided with a flange plate III 8-3, and the two flange plates III 8-3 are connected and fixed at the upper end of the vertical shell 1 through bolts. The butt-joint oil inlet pipe 8 is convenient for replacing and maintaining the upper pipe 8-2 after the joint is broken. A groove is formed in the lower side face of the flange plate III 8-3, a sealing ring 18 is installed in the groove, and the sealing ring 18 is arranged to improve the sealing performance of the oil inlet pipe 8.
2 mist traps 7 are arranged, and 2 mist traps 7 are uniformly distributed around the axis of the upper end of the vertical shell 1. The upper end edge of the vertical shell 1 is provided with a side hole 1-1 for installing the mist catcher 7, a sinking type filter cover 20 is arranged in the side hole 1-1, and the filter cover 20 is provided with uniformly distributed filter holes. A gland 19 is arranged above the filter cover 20, and the gland 19 and the filter cover 20 are connected and fixed at the upper end of the vertical shell 1 through bolts. The mist catcher 7 is fixed on the lower surface of the pressing cover 19, the mist catcher 7 is positioned in the filter cover 20, and the mist catcher 7 is not in contact with the filter cover 20. The filter housing 20 facilitates condensation of the mist, reduces pollution of the mist trap 7, and prolongs the service life of the mist trap 7. The mist catcher 7 is fixed on the lower surface of the gland 19, the gland 19 and the mist catcher 7 are integrated, the gland 19 and the mist catcher 7 can be directly replaced during maintenance, and the maintenance efficiency is improved.
The upper end of the separation plate 4 is a conical surface, and the separation plate 4 is provided with uniformly distributed separation holes 4-1. And a flange II 5 is arranged on the upper edge of the separating plate 4, and the flange II 5 is fixed on the vertical shell 1 through a screw. A support frame 6 is arranged above the separation plate 4, and the support frame 6 is fixed on the inner wall of the vertical shell 1. An upper bearing 10 is installed at the center of the support frame 6, a lower bearing 13 is installed at the center of the separating plate 4, a rotating shaft 11 is installed between the lower bearing 13 and the upper bearing 10, and fan blades 12 are installed on the rotating shaft 11. Crude oil intermittently enters from the oil inlet pipe 8 and falls on the fan blades 12, and is dispersed by the fan blades 12. The conical air guide sleeve 9 is fixed on the support frame 6, and the conical air guide sleeve 9 covers the upper bearing 10 and is used for protecting the upper bearing 10 and improving the dispersion effect of crude oil.
The interlayer plate 3 is positioned below the separation plate 4, and the interlayer plate 3 is fixed on the inner wall of the vertical shell 1. The upper end and the lower end of the interlayer plate 3 are conical surfaces, and the edge of the interlayer plate 3 is provided with a through hole 3-1 penetrating through the interlayer plate 3. The oil outlet pipes 2 are arranged in number of 2, and the oil outlet pipes 2 are uniformly distributed around the axis of the vertical shell 1. The oil outlet pipe 2 is provided with a flange I2-1, and the flange I2-1 is fixed on the vertical shell 1 through screws. The oil outlet pipe 2 is obliquely arranged, and the inner end of the oil outlet pipe 2 is opposite to the edge of the upper end of the interlayer plate 3.
Referring to fig. 1 and 3, an upper float switch 14 and a lower float switch 15 are fixed on the outer wall of the vertical housing 1, the upper float switch 14 is located below the interlayer plate 3, and the lower float switch 15 is located below the upper float switch 14. The upper buoyancy switch 14 and the lower buoyancy switch 15 have the same structure;
the upper floating switch 14 comprises a shell 14-1, and the upper end and the lower end of the shell 14-1 are respectively communicated with the inner cavity of the vertical shell 1. A sleeve 14-3 is fixed in the outer shell 14-1, the lower end of the sleeve 14-3 is positioned in the outer shell 14-1, and the lower end of the sleeve 14-3 is open. The piston 14-2 is arranged in the sleeve 14-3 in a sliding fit mode, the density of the piston 14-2 is larger than that of oil and smaller than that of water, therefore, accumulated water below the interlayer plate 3 can push the piston 14-2 to float upwards, and separated oil cannot push the piston 14-2 to float upwards. The upper end of the piston 14-2 is connected with a piston rod 14-8, the upper end of the piston rod 14-8 is provided with a baffle table 14-5, and a metal ring 14-9 is bonded on the upper side of the baffle table 14-5. The lower end of a return spring 14-4 abuts against the piston 14-2, and the upper end of the return spring 14-4 abuts against a step in the sleeve 14-3; the step of the sleeve 14-3 is provided with a small hole to prevent the inner part from being pressed. An insulating cover 14-6 is fixed at the upper end of the sleeve 14-3, 2 conductive columns 14-7 are installed on the insulating cover 14-6, and the conductive columns 14-7 are opposite to the metal ring 14-9. The 2 conductive columns 14-7 are respectively connected with a power supply and a second electromagnetic valve 17.
The water outlet pipe 21 is arranged at the lower end of the vertical shell 1, and the first electromagnetic valve 16 and the second electromagnetic valve 17 are arranged on the water outlet pipe 21. The first electromagnetic valve 16 is electrically connected to the lower float switch 15, and the first electromagnetic valve 16 is a normally closed non-delay electromagnetic valve. The second electromagnetic valve 17 is electrically connected with the upper floating force switch 14, and the second electromagnetic valve 17 is a normally closed delay-closed electromagnetic valve.
The working principle is as follows:
crude oil intermittently enters from the oil inlet pipe 8, falls on the fan blades 12, and is dispersed by utilizing the conical air guide sleeve 9 and the fan blades 12; the dispersed crude oil falls on the separation plate 4 and then drops through the separation hole 4-1; in the process, the natural gas gradually separates from the petroleum and is in a fog shape, and the natural gas upwards floats;
the floating smoke is condensed by the filter cover 20, so that impurities such as water, crude oil and the like are filtered, the smoke is further processed by the mist catcher 7, and the residual clean natural gas flows out from the port of the mist catcher 7;
the separated petroleum falls to the interlayer plate 3 and is gathered downwards;
the water is under the oil, and when the water level exceeds the lower buoyancy switch 15, the first electromagnetic valve 16 is opened;
when the water level continues to rise and exceeds the upper floating force switch 14, the second electromagnetic valve 17 is opened, and the water outlet pipe 21 begins to drain water;
after the water outlet pipe 21 drains water, the water level begins to drop, and the second electromagnetic valve 17 is closed in a delayed mode, so that when the water level is lower than the upper buoyancy switch 14, the water outlet pipe 21 can continue to drain water;
when the water level is lower than the lower buoyancy switch 15, the first electromagnetic valve 16 is powered off and closed, and the water discharge is finished.
This embodiment is through two solenoid valves of two buoyancy switch control, and the automatic water that drains after the water level rises to the take the altitude, and the outlet pipe is closed again after the water level falls to the take the altitude, realizes automatic drainage function, has avoided manual operation error.
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 and gas two-phase separation device comprises a vertical shell (1), wherein an oil inlet pipe (8) and a mist catcher (7) are installed at the upper end of the vertical shell (1), an oil outlet pipe (2) is installed at one side of the vertical shell (1), and a water outlet pipe (21) is installed at the lower end of the vertical shell (1); a separation plate (4) is arranged in the vertical shell (1); the method is characterized in that: a division plate (3) fixed on the inner wall of the vertical shell (1) is arranged below the separation plate (4); the upper end of the interlayer plate (3) is a conical surface, and the oil outlet pipe (2) is opposite to the upper end edge of the interlayer plate (3); an upper buoyancy switch (14) and a lower buoyancy switch (15) which are fixed on the outer wall of the vertical shell (1) are arranged below the interlayer plate (3), and the lower buoyancy switch (15) is positioned below the upper buoyancy switch (14); a first electromagnetic valve (16) and a second electromagnetic valve (17) are arranged on the water outlet pipe (21); the first electromagnetic valve (16) is electrically connected with the lower floating switch (15), and the second electromagnetic valve (17) is electrically connected with the upper floating switch (14);
the first electromagnetic valve (16) adopts a normally closed non-delay electromagnetic valve; the second electromagnetic valve (17) adopts a normally closed delay-closed electromagnetic valve;
the water is under the oil, and when the water level exceeds the lower buoyancy switch (15), the first electromagnetic valve (16) is opened;
when the water level continues to rise and exceeds the upper floating force switch (14), the second electromagnetic valve (17) is opened, and the water outlet pipe (21) begins to discharge water;
after the water is drained from the water outlet pipe (21), the water level begins to drop, and the second electromagnetic valve (17) is closed in a delayed mode, so that when the water level is lower than the upper floating force switch (14), the water can be continuously drained from the water outlet pipe (21);
when the water level is lower than the lower buoyancy switch (15), the first electromagnetic valve (16) is powered off and closed, and the water drainage is finished.
2. The oil and gas two-phase separation apparatus according to claim 1, characterized in that: the upper floating switch (14) and the lower floating switch (15) have the same structure;
the upper floating force switch (14) comprises a shell (14-1), and the upper end and the lower end of the shell (14-1) are respectively communicated with the inner cavity of the vertical shell (1); a sleeve (14-3) is fixed in the shell (14-1); the lower end of the sleeve (14-3) is positioned in the shell (14-1), the lower end of the sleeve (14-3) is open, and a piston (14-2) is arranged in the sleeve (14-3) in a sliding fit manner; the density of the piston (14-2) is larger than that of oil and smaller than that of water, and the upper end of the piston (14-2) is connected with a piston rod (14-8); a metal ring (14-9) is fixed at the upper end of the piston rod (14-8); two conductive columns (14-7) opposite to the metal ring (14-9) are fixed at the upper end of the sleeve (14-3).
3. The oil and gas two-phase separation apparatus according to claim 2, characterized in that: the upper end of the piston rod (14-8) is provided with a baffle table (14-5), and the metal ring (14-9) is bonded on the upper side of the baffle table (14-5); a return spring (14-4) is sleeved on the piston rod (14-8), the lower end of the return spring (14-4) abuts against the piston (14-2), and the upper end of the return spring (14-4) abuts against a step in the sleeve (14-3); an insulating cover (14-6) is fixed at the upper end of the sleeve (14-3), and the conductive posts (14-7) are installed on the insulating cover (14-6).
4. The oil and gas two-phase separation apparatus according to claim 1, characterized in that: the lower end of the interlayer plate (3) is a conical surface, and the edge of the interlayer plate (3) is provided with a through hole (3-1) penetrating through the interlayer plate (3).
5. The oil and gas two-phase separation apparatus according to claim 1, characterized in that: the oil outlet pipe (2) is obliquely arranged, a flange plate I (2-1) is arranged on the oil outlet pipe (2), and the flange plate I (2-1) is fixed on the vertical shell (1) through a screw.
6. The oil and gas two-phase separation apparatus according to claim 1, characterized in that: the upper end of the separation plate (4) is a conical surface, and the separation plate (4) is provided with uniformly distributed separation holes (4-1); the upper edge of the separating plate (4) is provided with a flange II (5), and the flange II (5) is fixed on the vertical shell (1) through a screw.
7. The oil and gas two-phase separation apparatus according to claim 6, characterized in that: a support frame (6) fixed on the inner wall of the vertical shell (1) is arranged above the separation plate (4), an upper bearing (10) is installed in the center of the support frame (6), and a conical flow guide cover (9) fixed on the support frame (6) is arranged above the upper bearing (10); lower bearing (13) is installed at separator plate (4) center, installs pivot (11) between lower bearing (13) and upper bearing (10), installs flabellum (12) on pivot (11).
8. The oil and gas two-phase separation apparatus according to claim 1, characterized in that: a plurality of mist traps (7) are arranged, and the plurality of mist traps (7) are uniformly distributed around the axis of the upper end of the vertical shell (1); the upper end of the vertical shell (1) is provided with a side hole (1-1) for installing a mist catcher (7), a sinking type filter cover (20) is installed in the side hole (1-1), a gland (19) is arranged above the filter cover (20), and the gland (19) and the filter cover (20) are fixedly connected to the upper end of the vertical shell (1) through bolts; the mist catcher (7) is fixed on the lower surface of the gland (19), the mist catcher (7) is positioned in the filter cover (20), and the mist catcher (7) is not in contact with the filter cover (20).
9. The oil and gas two-phase separation apparatus according to claim 1, characterized in that: the center of the upper end of the vertical shell (1) is provided with a middle hole (1-2) for installing an oil inlet pipe (8); the oil inlet pipe (8) comprises an upper pipe (8-2) and a lower pipe (8-1) which are butted, the butted ends of the upper pipe (8-2) and the lower pipe (8-1) are respectively provided with a flange plate III (8-3), and the two flange plates III (8-3) are connected and fixed at the upper end of the vertical shell (1) through bolts; and a groove is formed in the lower side surface of the flange plate III (8-3), and a sealing ring (18) is arranged in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111394772.4A CN114106872B (en) | 2021-11-23 | 2021-11-23 | Petroleum and natural gas two-phase separation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN203777878U (en) * | 2014-04-01 | 2014-08-20 | 攀钢集团西昌钢钒有限公司 | Gas-liquid separator |
| CN108105589A (en) * | 2017-12-21 | 2018-06-01 | 崔秀萍 | A kind of gas and oil separating plant and its method |
| CN108671588A (en) * | 2018-07-28 | 2018-10-19 | 湖州御筵科技有限公司 | Special two device for phase saparation of petroleum gas |
| CN212758525U (en) * | 2020-06-29 | 2021-03-23 | 上饶京新药业有限公司 | Automatic layering system of tri-n-butylamine emulsion layer |
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| EP1782870A1 (en) * | 2005-10-28 | 2007-05-09 | M-I Epcon As | A separator tank |
| CN105158376B (en) * | 2015-08-21 | 2018-01-12 | 许继集团有限公司 | A kind of Oil-gas Separation cylinder and gas and oil separating plant and oil chromatography |
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| CN203777878U (en) * | 2014-04-01 | 2014-08-20 | 攀钢集团西昌钢钒有限公司 | Gas-liquid separator |
| CN108105589A (en) * | 2017-12-21 | 2018-06-01 | 崔秀萍 | A kind of gas and oil separating plant and its method |
| CN108671588A (en) * | 2018-07-28 | 2018-10-19 | 湖州御筵科技有限公司 | Special two device for phase saparation of petroleum gas |
| CN212758525U (en) * | 2020-06-29 | 2021-03-23 | 上饶京新药业有限公司 | Automatic layering system of tri-n-butylamine emulsion layer |
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