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WO2018014221A1 - Système de récupération de vapeur d'huile de condensation à basse température - Google Patents

Système de récupération de vapeur d'huile de condensation à basse température Download PDF

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Publication number
WO2018014221A1
WO2018014221A1 PCT/CN2016/090510 CN2016090510W WO2018014221A1 WO 2018014221 A1 WO2018014221 A1 WO 2018014221A1 CN 2016090510 W CN2016090510 W CN 2016090510W WO 2018014221 A1 WO2018014221 A1 WO 2018014221A1
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WO
WIPO (PCT)
Prior art keywords
gas
oil
liquid
tank
condensation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/090510
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English (en)
Chinese (zh)
Inventor
杨亚鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Eniplus Energy Network Co ltd
Original Assignee
Shenzhen Eniplus Energy Network Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Eniplus Energy Network Co ltd filed Critical Shenzhen Eniplus Energy Network Co ltd
Priority to PCT/CN2016/090510 priority Critical patent/WO2018014221A1/fr
Priority to CN201680046084.XA priority patent/CN108136308A/zh
Publication of WO2018014221A1 publication Critical patent/WO2018014221A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/42—Filling nozzles
    • B67D7/54—Filling nozzles with means for preventing escape of liquid or vapour or for recovering escaped liquid or vapour
    • 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
    • C10G5/00—Recovery of liquid hydrocarbon mixtures from gases, e.g. natural gas
    • C10G5/06—Recovery of liquid hydrocarbon mixtures from gases, e.g. natural gas by cooling or compressing
    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
    • C10L3/12—Liquefied petroleum gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat

Definitions

  • the present invention relates to the field of oil and gas recovery processing technology, and in particular, to an oil and gas low temperature condensation recovery system.
  • the recovery of oil and gas is 1: 1-1.2 (that is, adding one liter of oil will return 1 to 1.2 liters of oil and gas back to the tank), so when oil and gas
  • the pressure of the tank will increase.
  • the tank reaches a certain pressure, the tank will be relieved.
  • the pressure relief of oil tanks at most gas stations is that the gas in the tank is directly discharged into the air, which will pollute the environment.
  • the technical problem to be solved by the present invention is to provide a low-temperature condensate recovery system for oil and gas that can be flexibly applied and realizes gas-liquid condensation separation and recovery in oil and gas.
  • the technical solution adopted by the present invention to solve the technical problem thereof is: providing a low-temperature condensation recovery system for oil and gas, comprising a refrigeration unit, and a low-temperature separation tower for oil and gas for performing low-temperature condensation gas-liquid separation treatment on oil and gas;
  • the oil and gas cryogenic separation tower includes a condensing unit and a liquid collecting unit disposed above and below; a lower end of the condensing unit is provided with a receiving port for receiving the oil and gas, and an upper end of the condensing unit is provided with a condensing unit a gas outlet for the separated gas output; the liquid collecting portion is provided with a liquid for separating the condensed liquid Liquid outlet
  • the condensing unit is provided with a refrigeration structure connected to the refrigeration unit for allowing refrigerant to pass through to condense low temperature oil and gas in the condensing unit; and the condensing unit is provided with the refrigeration unit A heating structure that connects and supplies a refrigerant to raise the temperature of the liquid separated by condensation.
  • the condensing unit comprises a condensation tank, and a multi-layer tray disposed at a distance from top to bottom in the condensation tank; the refrigeration structure is disposed on the condensation tank;
  • the sump unit includes a sump that communicates with the condensing tank, and the heating structure is disposed on the sump.
  • the refrigeration unit includes a compressor, a condenser connected to the compressor, a first pipe connected to the condenser, and a second pipe connected to the first pipe through a throttle element. And a third conduit connected between the second conduit and the inlet end of the compressor.
  • one end of the second pipe is connected to the throttling element, and the other end is corresponding to the tray from the top to the bottom of the condensation tank to form the refrigeration structure;
  • the tank wall of the condensation tank is a double wall structure, and an interlayer between the double wall structures forms the refrigeration structure and is in communication with the second pipe and the third pipe; or
  • the outer circumference of the condensation tank is provided with a jacket, and the inside of the jacket communicates with the second pipeline and the third pipeline to form the refrigeration structure.
  • the first pipe is wound on the outer circumference of the liquid collecting tank to form the heating structure;
  • the tank wall of the liquid collecting tank is a double wall structure, and the interlayer between the double wall structures forms the heating structure and communicates with the first pipe; or
  • the outer circumference of the liquid collection tank is provided with a jacket, and the inside of the jacket communicates with the first pipeline to form the heating structure.
  • the refrigeration unit further includes a fourth conduit that winds over the outer circumference of the liquid collection tank to cool the liquid in the liquid collection tank; the inlet end and the outlet end of the fourth pipeline
  • the third pipe and the compressor inlet end are respectively connected, and a shut-off valve is provided at the inlet end of the fourth pipe.
  • the condensing unit further comprises a homogenizer and/or a wire mesh breaker disposed in the condensation tank [0020]
  • the homogenizer is located below the multi-layer tray and above the feed port; the wire mesh breaker is located above the multi-layer tray and below the gas outlet.
  • the oil and gas cryogenic separation column further includes a drain pipe connected between the bottom of the condensation tank and the liquid collection tank.
  • the bottom of the condensation tank is provided with a funnel-shaped liquid collecting tray, and the liquid discharging tube is connected between the liquid collecting tray and the liquid collecting tank.
  • the drain pipe is further provided with a check valve for preventing liquid from flowing back; and/or, the drain pipe is a transverse S-shaped drain pipe.
  • the oil and gas cryogenic separation tower further comprises a positive pressure pipe; one end of the positive pressure pipe extends into the condensation unit, and the other end extends into the liquid collection unit.
  • the oil and gas cryogenic condensation recovery system further comprises a feed pipe and an outlet pipe respectively connecting the feed port and the gas outlet;
  • the heat exchanger is a shell-and-tube heat exchanger.
  • the oil and gas low-temperature condensation recovery system of the invention is used for low-temperature condensation of oil and gas for gas-liquid separation, convenient use, good separation effect, and the separated liquid can be added to the oil tank for reuse, and the oil and gas leakage is prevented from polluting the environment. It eliminates the safety hazards caused by oil and gas leakage during gas stations and transportation.
  • FIG. 1 is a schematic structural view of an oil and gas cryogenic condensing recovery system according to an embodiment of the present invention.
  • the oil and gas cryogenic condensing recovery system of the present invention can be used in a gas station, a tank truck, an oil storage, etc., and receives oil and gas for condensation recovery treatment.
  • an oil and gas cryogenic condensation recovery system includes an oil and gas cryogenic separation tower and a refrigeration unit 30 for performing low temperature condensation gas-liquid separation treatment on oil and gas.
  • Oil cryogenic separation column comprising a vertically disposed and connected to the header 10 and the condensation unit 20 through the unit, the condensing unit 10 is provided on the refrigeration unit 30 is connected, through which a refrigerant for low temperature condensation of the hydrocarbon in the condensation unit 10 Refrigeration structure;
  • the liquid collection unit 20 is provided with a heating structure that is connected to the refrigeration unit 30 and that supplies a refrigerant to raise the temperature of the liquid separated by condensation. Through the arrangement of the heating structure, the refrigerant can exchange heat with the liquid separated by condensation, and the temperature of the liquid separated by the condensation is raised from zero to zero; the separated liquid can be discharged into the oil tank or reprocessed.
  • the condensing unit 10 can be directly connected to the breathing valve connected to the oil tank, or can be connected to the oil tank through the pipeline to receive the oil and gas; when the oil tank tank is super-high exhaust gas, the discharged oil and gas directly enters the condensing unit.
  • the power unit There is no need to set up the power unit, so that the oil and gas does not need to be pressurized by the power unit to enter the oil and gas cryogenic separation tower, thus avoiding the explosion of the mixture of oil gas and air during the compression process with the oil and gas concentration reaching the explosion limit range.
  • the lower end of the condensing unit 10 is provided with a feed port 101 for receiving oil and gas
  • the upper end of the condensing unit 10 is provided with a gas outlet 102 for outputting the gas separated by condensing.
  • the oil and gas enters from the lower end of the condensing unit 10 through the feed port 101, and gradually condenses from the bottom to the top, and the liquid separated by the condensation falls to the liquid collecting unit 20, and the gas which cannot be liquefied in the oil and gas rises to the upper portion of the condensing unit 10. , output from the gas outlet 102.
  • the output gas can be further collected and recycled.
  • the condensing unit 10 includes a condensing tank 11 and a multi-layer tray 12 which is disposed at a distance from the top to the bottom in the condensing tank 11.
  • the feed port 101 and the gas outlet 102 are both disposed on the condensing tank 11.
  • the refrigeration structure is disposed on the condensing tank 11 so that a condensation field which gradually decreases in temperature from the lower portion to the upper portion can be formed in the condensing unit 10, and the oil and gas is gradually cooled and condensed at the same time as the oil and gas rises.
  • the feed port 101 is located below the multi-layer tray 12, and after the oil and gas enters the condensation tank 11 from the feed port 101, it flows through the respective trays 12 from bottom to top.
  • the tray 12 is preferably a disk-like structure having a central portion recessed or inverted-conical, and having a plurality of through holes distributed therein for liquid to drip. The distribution of the through holes on the tray 12 is sparse in the center portion and dense in the surrounding area. The through hole diameter is 2-4 mm.
  • the top of the condensing tank 11 may be in a conical arrangement, and the gas outlet 102 is located at the top, and the conical shape is set at the same pressure-resistant output of the separated gas.
  • the condensing unit 10 may further include a homogenizer 13 and/or a wire mesh breaker 14 disposed in the condensing tank 11.
  • the homogenizer 13 is located below the multi-layer tray 12 in the condensation tank 11 and above the feed port 101.
  • the incoming oil gas first passes through the homogenizer 13 and then rises uniformly to enhance the mass transfer heat transfer effect.
  • the wire mesh breaker 14 is located above the multi-layer tray 12 in the condensation tank 11 and below the gas outlet 102 to prevent the gas from flowing and enhance the separation effect.
  • the liquid collection unit 20 is provided with a liquid outlet 201 for discharging the liquid separated by condensation, and the liquid outlet 201 can be connected to the oil tank or the collection tank.
  • the liquid collection unit 20 includes a liquid collection tank 21 that is in contact with and communicates with the condensation tank 11; the liquid discharge port 201 is disposed on the liquid collection tank 21, preferably at the lower end or the bottom of the liquid collection tank 21.
  • the heating structure is disposed on the liquid collection tank 21.
  • the oil and gas cryogenic separation column further includes a drain pipe 41 connected between the bottom of the condensation tank 11 and the liquid collection tank 21, and the liquid separated by condensation in the condensation tank 11 falls and enters through the drain pipe 41.
  • Liquid collection tank 21 Liquid collection tank 21 .
  • a check valve may be provided on the drain pipe 41 to prevent backflow of the liquid.
  • the drain pipe 41 is a transverse S-shaped drain pipe, and the S-shaped drain pipe is disposed to effectively prevent the liquid in the liquid trap tank 21 from flowing back into the condensing unit 10.
  • the bottom of the condensation tank 11 may be provided with a liquid collecting tray 40, and the liquid separated by condensation is dropped onto the liquid collecting tray 40.
  • the drain pipe 41 is connected between the liquid collecting pan 40 and the liquid collecting tank 21, and the condensation tank 11, the liquid collecting pan 40, the liquid discharging pipe 41, and the liquid collecting tank 21 are sequentially connected, and the liquid collected on the liquid collecting pan 40 is discharged.
  • the tube 41 flows into the liquid collection tank 21.
  • the liquid collecting tray 40 has a funnel shape, and the condensed liquid falls onto the liquid collecting tray 40, and merges toward the center portion along the liquid collecting tray 40, and enters the liquid collecting unit 20 through the liquid discharging tube 41.
  • the oil and gas cryogenic separation tower further includes a positive pressure pipe 50.
  • One end of the positive pressure tube 50 extends into the condensing unit 10
  • the other end projects into the liquid collection unit 20 (collector tank 21), communicates with the condensation tank 21 and the liquid collection tank 21, and balances the gas pressure therebetween to facilitate the liquid to fall into the liquid collection unit 20.
  • the end of the positive pressure tube 50 extending into the condensing tank 21 can be bent downward to have a U-shape, and the condensed liquid can be prevented from entering the positive pressure tube 50 while the condensing tank 11 and the sump 21 are turned on.
  • Pressure detecting means may also be respectively disposed at the inlet 101 and the gas outlet 102 of the condensing unit 10, respectively Detect the pressure of the oil and gas and the output gas.
  • Temperature sensors are also provided in the condensing unit 10 and the sump unit 20 to detect temperature conditions in the condensing unit 10 and the sump unit 20, respectively.
  • a liquid level gauge 21 may also be provided with a level gauge to detect internal liquid storage.
  • the refrigeration unit 30 includes a compressor 31, a condenser 32 (heat exchanger) connected to the compressor 31, a first conduit 33 connected to the condenser 32, and a first conduit 33 connected to the first conduit 33 by the throttle element 34. a second pipe 35, and a third pipe 36 connected between the second pipe 35 and the inlet end of the compressor 31; a compressor 31, a condenser 32, a first pipe 33, a throttle element 34, a second pipe 35, and a third
  • the duct 36 is connected to form a refrigeration circuit through which the refrigerant circulates.
  • the compressor 31 serves as a power unit for driving the refrigerant to circulate in the refrigeration circuit.
  • the throttle element 34 can be a capillary or an expansion valve.
  • the refrigerant is compressed by the compressor 31 to form a high-pressure gas, the temperature can be up to about 100 ° C, and then enter the condenser 32 for condensation to form a high-pressure liquid, the temperature can be reduced to about 40 ° C, through the first pipe 33 To the throttling element 34, after throttling and depressurization, it can be changed into a low-temperature low-pressure gas and/or a liquid, and flows through the second pipe 35, and the sub-zero low-pressure liquid exchanges heat with the oil and gas in the condensing unit 10 and passes through the third Pipe 36 flows back to the compressor.
  • the second pipe 35 is connected to the throttling element 34 at the end, and the tray 12 of the other end corresponding to the condensing unit 10 is wound from the top to the bottom of the condensing tank 11 to form a cooling. structure.
  • the refrigerant exchanges heat with the oil and gas in the condensing tank 11 in the refrigeration structure, so that the oil and gas cools and condenses and separates the liquid and the gas.
  • the first duct 33 is wound around the outer circumference of the liquid collecting tank 21 to form a heating structure, and the refrigerant flowing therein can exchange heat with the liquid in the liquid collecting tank 21 to increase the temperature of the liquid.
  • the tank wall of the condensation tank 11 may be a double wall structure instead of the outer circumference of the second tank 35 at the outer periphery of the condensation tank 11, and the interlayer between the double wall structures forms a refrigeration structure, and
  • the second duct 35 is in communication with the third duct 36.
  • the refrigerant in the second duct 35 is heat-exchanged with the oil and gas in the condensing tank 11 through the interlayer enthalpy, and flows back to the compressor 31 through the third duct 36.
  • a jacket is provided on the outer circumference of the condensing tank 11, and the inside of the jacket communicates with the second duct 35 and the third duct 36 to form a cooling structure.
  • the winding of the first pipe 33 on the outer circumference of the liquid collecting tank 21 may be replaced by a double wall structure of the tank wall of the liquid collecting tank 21, and the interlayer between the double wall structures forms a heating structure, and
  • the first conduit 33 is in communication.
  • the refrigerant passing through the condenser 32 enters the interlayer of the liquid collection tank 21 through the first duct 33, exchanges heat with the liquid in the liquid collection tank 21, and then flows out of the interlayer to the throttle element 34.
  • a jacket, a jacket is provided on the outer circumference of the liquid collection tank 21.
  • the interior is in communication with the first conduit 33 to form a heating structure.
  • the refrigeration unit 30 further includes a fourth duct 37 wound around the outer circumference of the liquid collection tank 21; the liquid in the liquid collection tank 21 is cooled to prevent the liquid temperature from being too high.
  • the inlet end and the outlet end of the fourth conduit 37 are connected to the third conduit 36 and the inlet end of the compressor 31, respectively, to form a cooling bypass.
  • a shut-off valve 371 is provided at the inlet end of the fourth pipe 37 to control the opening and closing of the fourth pipe 37.
  • the fourth duct 37 may also be replaced by a double wall structure or a jacket of the header tank 21 for allowing the refrigerant to be thermally exchanged with the liquid in the header tank 21.
  • the oil and gas cryogenic condensing recovery system further includes a feed pipe 60 and an outlet pipe 70 which are respectively connected to the inlet port 101 and the gas outlet port 102 for introducing the oil and gas and the outlet gas, respectively.
  • one end of the outlet pipe 70 away from the gas outlet 102 passes through the feed pipe 60 to form a heat exchange structure; the gas passing through the gas outlet pipe 70 can be combined with the oil and gas in the feed pipe 60.
  • the heat exchange is carried out, and the preliminary cooling of the oil and gas is performed by using the residual cooling of the gas.
  • the outlet pipe section penetrating into the feed pipe 60 can be divided into a plurality of pipe sections.
  • the air outlet pipe 70 and the feed pipe 60 are connected to a heat exchanger 80, so that the gas discharged from the condensing unit 10 and the oil and gas are exchanged in the heat exchanger 80, and the residual gas of the recovered gas is cooled.
  • the oil and gas is preliminarily cooled.
  • the heat exchanger 80 may be a shell-and-tube heat exchanger, and the gas discharged from the gas outlet 102 and the oil gas entering the condensing unit 10 are first passed through a shell-and-tube heat exchanger for heat exchange therein.
  • the oil and gas cryogenic condensing recovery system uses ⁇ , the refrigeration unit 30 operates, the oil and gas enters the condensing unit 10, and passes through the condensing field from bottom to top. Among them, the oil and gas is cooled during the gradual ascending process, and the hydrocarbon substance is condensed into a liquid and left on the tray 12, and after being collected, it falls to the bottom of the condensing unit 10, and enters the sump unit 20 through the sump 40. Gases such as oxygen, nitrogen, and the like which are not liquefied in the oil and gas continue to rise and are discharged from the gas outlet 102 of the condensing unit 10.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

Un système de récupération de vapeur d'huile de condensation à basse température comprend : une unité de refroidissement (30), et une tour de séparation de vapeur d'huile à basse température pour effectuer une condensation à basse température et une séparation gaz-liquide d'une vapeur d'huile. La tour de séparation de vapeur d'huile à basse température comprend : un condenseur (10) et un collecteur de liquide (20) disposés verticalement et reliés l'un à l'autre. Une extrémité inférieure du condenseur est pourvue d'une entrée d'alimentation (101) destinée à recevoir la vapeur d'huile. Une extrémité supérieure du condenseur est pourvue d'une sortie de gaz destinée à évacuer un gaz séparé par condensation. Le collecteur de liquide est pourvu d'une sortie de liquide (201) pour décharger un liquide séparé par condensation. Le condenseur est pourvu d'une structure de refroidissement, reliée à l'unité de refroidissement, et utilisée comme passage pour un fluide de refroidissement, pour effectuer une condensation à basse température de la vapeur d'huile dans le condenseur. Le collecteur de liquide est pourvu d'une structure de chauffage, reliée à l'unité de chauffaget, et utilisée comme passage pour le liquide de chauffage, pour chauffer le liquide séparé par condensation. Le système est utilisé pour effectuer une condensation à basse température sur une vapeur d'huile pour obtenir une séparation gaz-liquide. Le système assure une bonne séparation, empêche la pollution de l'environnement provoquée par une fuite de vapeur d'huile, et élimine un risque de sécurité potentiel provoqué par la fuite de vapeur d'huile.
PCT/CN2016/090510 2016-07-19 2016-07-19 Système de récupération de vapeur d'huile de condensation à basse température Ceased WO2018014221A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2016/090510 WO2018014221A1 (fr) 2016-07-19 2016-07-19 Système de récupération de vapeur d'huile de condensation à basse température
CN201680046084.XA CN108136308A (zh) 2016-07-19 2016-07-19 油气低温冷凝回收系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/090510 WO2018014221A1 (fr) 2016-07-19 2016-07-19 Système de récupération de vapeur d'huile de condensation à basse température

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