CN107129826A - A kind of device for recovering oil and gas for gas station - Google Patents

A kind of device for recovering oil and gas for gas station Download PDF

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Publication number
CN107129826A
CN107129826A CN201710328350.4A CN201710328350A CN107129826A CN 107129826 A CN107129826 A CN 107129826A CN 201710328350 A CN201710328350 A CN 201710328350A CN 107129826 A CN107129826 A CN 107129826A
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CN
China
Prior art keywords
pipeline
gas
connect
heat exchanger
pass
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.)
Pending
Application number
CN201710328350.4A
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Chinese (zh)
Inventor
王荣强
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.)
Bengbu Rongqiang Compressor Manufacturing Co Ltd
Original Assignee
Bengbu Rongqiang Compressor Manufacturing 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 Bengbu Rongqiang Compressor Manufacturing Co Ltd filed Critical Bengbu Rongqiang Compressor Manufacturing Co Ltd
Priority to CN201710328350.4A priority Critical patent/CN107129826A/en
Publication of CN107129826A publication Critical patent/CN107129826A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • B01D53/002—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 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
    • B01D53/02—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 by adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • 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
    • B01D53/14—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 by absorption
    • B01D53/1418—Recovery of products
    • 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
    • B01D53/14—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 by absorption
    • B01D53/1487—Removing organic compounds
    • 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
    • B01D53/14—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 by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • 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
    • C10G5/02—Recovery of liquid hydrocarbon mixtures from gases, e.g. natural gas with solid adsorbents
    • 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
    • C10G5/04—Recovery of liquid hydrocarbon mixtures from gases, e.g. natural gas with liquid absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/20—Organic absorbents
    • B01D2252/205—Other organic compounds not covered by B01D2252/00 - B01D2252/20494
    • B01D2252/2053—Other nitrogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

The invention discloses a kind of device for recovering oil and gas for gas station, it is characterised in that：Including air inlet surge tank, air inlet surge tank connects compressor by the first pipeline, compressor connects precool heat exchanger device by second pipe, ethylene glycol charging point is also connected by filler pipe on second pipe, precool heat exchanger device connects evaporator by the 3rd pipeline, evaporator connects gas-liquid separator by the 4th pipeline, gaseous phase outlet at the top of gas-liquid separator connects absorption tower by the 5th pipeline, absorption tower connects precool heat exchanger device by the 8th pipeline, the cooling outlet of precool heat exchanger device connects adsorption column by the tenth pipeline, adsorption column passes through corresponding pipeline connection emptying tower.Advantages of the present invention：Present apparatus operating efficiency is high, and petroleum vapor recovery effect is good, and oil gas is handled by multiple form, and the tail gas of discharge will not be polluted to air.

Description

A kind of device for recovering oil and gas for gas station
Technical field
The present invention relates to Volatile Gas recovery technology field in gas station, more particularly to a kind of petroleum vapor recovery for gas station Device.
Background technology
During gas station's oil tank handling oil product, the oil gas of discharge contains oil product volatile component, if do not reclaimed, and can not only make Into very big environmental pollution, great economic loss will also result in.Petroleum vapor recovery in the market is generally by simple place Directly it is vented after reason, some gas station uses the method that plurality of devices is combined, this method is complicated, floor space Greatly, it is expensive, reclaim not thorough, atmosphere pollution is still caused after the gas discharge after recovery, in summary, in gas station Oil product Volatile Gas is difficult thorough recovery, so not only wastes the product oil in station, serious pollution is also caused to air.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of oil for gas station proposed Gas recovering device.
To achieve these goals, present invention employs following technical scheme：
A kind of device for recovering oil and gas for gas station, it is characterised in that：Including air inlet surge tank, in air inlet surge tank air inlet connecting Mouth connection air inlet pipe, air inlet surge tank connects compressor by the first pipeline, and compressor connects precool heat exchanger by second pipe The refrigeration entrance of device, also ethylene glycol charging point is connected on second pipe by filler pipe, and the refrigeration outlet of precool heat exchanger device is logical The refrigeration entrance that the 3rd pipeline connects evaporator is crossed, the refrigeration outlet of evaporator connects gas-liquid separator, gas by the 4th pipeline The gaseous phase outlet that the liquid-phase outlet of liquid/gas separator bottom is connected at the top of crude oil storage tank, gas-liquid separator by the first oil return pipe passes through The gas outlet that the connection of 5th pipeline absorbs at the top of the air inlet of tower bottom, absorption tower connects precool heat exchanger device by the 8th pipeline Cooling entrance, the cooling outlet of precool heat exchanger device connects adsorption column top entry, the outlet at bottom of adsorption column by the tenth pipeline Pass through corresponding pipeline connection emptying tower.
Preferably, the liquid-phase outlet for absorbing tower bottom connects circulating pump by the 11st pipeline, and circulating pump passes through the 12 pipelines connect the refrigeration entrance of heat exchanger, and the cooling that the refrigeration outlet of heat exchanger connects evaporator by the 13rd pipeline enters Mouthful, the cooling outlet of evaporator connects the liquid phase entrance on absorption tower top by the 14th pipeline.
Preferably, the cooling outlet of the heat exchanger connects refrigeration compressor set, refrigeration compressor by the 15th pipeline Group connects condenser by the 16th pipeline, and condenser connects the cooling entrance of heat exchanger by the 17th pipeline.
The advantage of the invention is that：A kind of device for recovering oil and gas operating efficiency for gas station provided by the present invention Height, petroleum vapor recovery effect is good, and oil gas is handled by multiple form, and the tail gas of discharge will not be polluted to air, pass through the dress Recycling can not only be carried out by the oil gas of volatilization by putting, moreover it is possible to by the processing of multiple process, thoroughly solve gas station The problem of environmental pollution, it is economic and environment-friendly, safe and reliable.
Brief description of the drawings
Fig. 1 is a kind of basic structure schematic diagram of device for recovering oil and gas for gas station provided by the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
As shown in figure 1, a kind of device for recovering oil and gas for gas station that the present invention is provided, it is characterised in that：Including entering Gas surge tank 1, air inlet pipe 1.1 is connected in the intake interface of air inlet surge tank 1, and air inlet surge tank 1 is connected by the first pipeline 21 and pressed Contracting machine 2, compressor 2 connects the refrigeration entrance of precool heat exchanger device 3 by second pipe 22, also passes through filling on second pipe 22 The connection ethylene glycol of pipe 12.1 charging point 12.Ethylene glycol charging point 12 fills ethylene glycol into oil gas, prevents the moisture in oil gas from existing Frozen in follow-up process of refrigerastion, play antifreeze effect.The refrigeration outlet of precool heat exchanger device 3 connects evaporator 4 by the 3rd pipeline 23 Refrigeration entrance.
The refrigeration outlet of evaporator 4 connects gas-liquid separator 5, the liquid phase of the bottom of gas-liquid separator 5 by the 4th pipeline 24 Outlet connects crude oil storage tank by the first oil return pipe 5.1.After oil gas compresses through compressor 2, then pass through precool heat exchanger device 3 and evaporation Device 4 liquefies after deep refrigerating twice, and after being separated finally by gas-liquid separator 5, the crude oil after liquefaction passes through the first oil return pipe 5.1 Return to crude oil storage tank.
The gaseous phase outlet at the top of gas-liquid separator 5 connects the air inlet of the bottom of absorption tower 8 by the 5th pipeline 25.Absorption tower 8 inside lower floors are equipped with adsorbent 8.1, and adsorbent 8.1 is 1-METHYLPYRROLIDONE.The inside upper strata of absorption tower 8 is equipped with mist extractor 8.2, shower nozzle 8.3 is also equipped between adsorbent 8.1 and mist extractor 8.2.The gas outlet at the top of absorption tower 8 passes through the 8th pipeline 28 Connect the cooling entrance of precool heat exchanger device 3.The cold air isolated in gas-liquid separator 5 is that precool heat exchanger device 3 provides cold energy, nothing Outside energy cooling need to be consumed again.The cooling outlet of precool heat exchanger device 3 connects the top entry of adsorption column 11 by the tenth pipeline 30, The outlet at bottom of adsorption column 11 passes through corresponding pipeline connection emptying tower.13X molecules are from top to bottom sequentially arranged with adsorption column 11 Sieve 11.1 and absorption activated carbon 11.2.It is that the cold air after deep-cooling heat exchanger 6 and the cooling of precool heat exchanger device 3 passes through in adsorption column 11 13X molecular sieves 11.1 and absorption activated carbon 11.2 handle after, eliminate gas organic hydrocarbon molecule, enter finally by emptying tower Row discharge.Air will not be polluted by so handling.
The liquid-phase outlet of the bottom of absorption tower 8 connects circulating pump 9 by the 11st pipeline 31, and circulating pump 9 passes through the tenth Two pipelines 32 connect the refrigeration entrance of heat exchanger 10, and the refrigeration outlet of heat exchanger 10 connects evaporator 4 by the 13rd pipeline 33 Cooling entrance, evaporator 4 cooling outlet by the 14th pipeline 34 connect the top of absorption tower 8 liquid phase entrance and and shower nozzle It 8.3 is connected.Water in absorption tower 8 provides cold energy after circulating pump 9 and the supercharging refrigeration of heat exchanger 10 for evaporator 4.There is provided cold Water after energy uniformly sprays to adsorbent 8.1 by shower nozzle, and the air formation convection current with flowing from the bottom to top is gone out in adsorbent 8.1, Fully contact.The oil-bound distemper in air can so be removed.Reduce the pollution to air.
The cooling outlet of the heat exchanger 10 connects refrigeration compressor set 12, refrigeration compressor set by the 15th pipeline 35 12 connect condenser 13 by the 16th pipeline 36, and the cooling that condenser 13 connects heat exchanger 10 by the 17th pipeline 37 enters Mouthful.Heat exchanger 10 is provided with self-loopa cooling, and circulation cooling is realized by refrigeration compressor set 12 and condenser 13.
In first pipeline 21, second pipe 22, the 3rd pipeline 23, the 4th pipeline 24, the 5th pipeline 25, the 8th pipeline 28th, the tenth pipeline 30, the 11st pipeline 31, the 12nd pipeline 32, the 13rd pipeline 33, the 14th pipeline 34, the 15th pipeline 35th, the 16th pipeline 36, be equipped with corresponding control valve on the 17th pipeline 37.

Claims (3)

1. a kind of device for recovering oil and gas for gas station, it is characterised in that：Including air inlet surge tank（1）, in air inlet surge tank （1）Intake interface connects air inlet pipe（1.1）, air inlet surge tank（1）Pass through the first pipeline（21）Connect compressor（2）, compressor （2）Pass through second pipe（22）Connect precool heat exchanger device（3）Refrigeration entrance, in second pipe（22）On also pass through filler pipe （12.1）Connect ethylene glycol charging point（12）, precool heat exchanger device（3）Refrigeration outlet pass through the 3rd pipeline（23）Connect evaporator （4）Refrigeration entrance, evaporator（4）Refrigeration outlet pass through the 4th pipeline（24）Connect gas-liquid separator（5）, gas-liquid separator （5）The liquid-phase outlet of bottom passes through the first oil return pipe（5.1）Connect crude oil storage tank, gas-liquid separator（5）The gaseous phase outlet at top Pass through the 5th pipeline（25）Connect absorption tower（8）The air inlet of bottom, absorption tower（8）The gas outlet at top passes through the 8th pipeline （28）Connect precool heat exchanger device（3）Cooling entrance, precool heat exchanger device（3）Cooling outlet pass through the tenth pipeline（30）Connection is inhaled Attached column（11）Top entry, adsorption column（11）Outlet at bottom pass through corresponding pipeline connection emptying tower.
2. a kind of device for recovering oil and gas for gas station according to claim 1, it is characterised in that：The absorption tower （8）The liquid-phase outlet of bottom passes through the 11st pipeline（31）Connect circulating pump（9）, circulating pump（9）Pass through the 12nd pipeline（32） Connect heat exchanger（10）Refrigeration entrance, heat exchanger（10）Refrigeration outlet pass through the 13rd pipeline（33）Connect evaporator（4） Cooling entrance, evaporator（4）Cooling outlet pass through the 14th pipeline（34）Connect absorption tower（8）The liquid phase entrance on top.
3. a kind of device for recovering oil and gas for gas station according to claim 2, it is characterised in that：The heat exchanger （10）Cooling outlet pass through the 15th pipeline（35）Connect refrigeration compressor set（12）, refrigeration compressor set（12）Pass through the tenth Six pipelines（36）Connect condenser（13）, condenser（13）Pass through the 17th pipeline（37）Connect heat exchanger（10）Cooling enter Mouthful.
CN201710328350.4A 2017-05-11 2017-05-11 A kind of device for recovering oil and gas for gas station Pending CN107129826A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710328350.4A CN107129826A (en) 2017-05-11 2017-05-11 A kind of device for recovering oil and gas for gas station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710328350.4A CN107129826A (en) 2017-05-11 2017-05-11 A kind of device for recovering oil and gas for gas station

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CN107129826A true CN107129826A (en) 2017-09-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107215841A (en) * 2017-06-14 2017-09-29 蚌埠市荣强压缩机制造有限公司 A kind of device for recovering oil and gas for gas station
CN109179309A (en) * 2018-07-12 2019-01-11 蚌埠市昊源压缩机制造有限公司 A kind of gas station oil gas post-processing approach

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1366021A (en) * 2001-01-15 2002-08-28 张文慧 Process and apparatus for recovering hydrocarbons from hydrocarbon and air mixed gas

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1366021A (en) * 2001-01-15 2002-08-28 张文慧 Process and apparatus for recovering hydrocarbons from hydrocarbon and air mixed gas

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107215841A (en) * 2017-06-14 2017-09-29 蚌埠市荣强压缩机制造有限公司 A kind of device for recovering oil and gas for gas station
CN109179309A (en) * 2018-07-12 2019-01-11 蚌埠市昊源压缩机制造有限公司 A kind of gas station oil gas post-processing approach

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Application publication date: 20170905