CN208465493U - Gas recovery system - Google Patents
Gas recovery system Download PDFInfo
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- CN208465493U CN208465493U CN201820604918.0U CN201820604918U CN208465493U CN 208465493 U CN208465493 U CN 208465493U CN 201820604918 U CN201820604918 U CN 201820604918U CN 208465493 U CN208465493 U CN 208465493U
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- 238000011084 recovery Methods 0.000 title claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 90
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 87
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 87
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 87
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 84
- 238000000926 separation method Methods 0.000 claims abstract description 65
- 239000012530 fluid Substances 0.000 claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 238000010992 reflux Methods 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 239000003381 stabilizer Substances 0.000 abstract description 4
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 141
- 239000012071 phase Substances 0.000 description 45
- 238000010586 diagram Methods 0.000 description 11
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000005485 electric heating Methods 0.000 description 8
- 239000001273 butane Substances 0.000 description 5
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 5
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 5
- 239000001294 propane Substances 0.000 description 5
- 230000006641 stabilisation Effects 0.000 description 5
- 238000011105 stabilization Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002322 conducting polymer Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Pipeline Systems (AREA)
Abstract
The utility model provides a gas recovery system. The utility model discloses gas recovery system, include: the device comprises a three-phase separator, a stable gas-liquid separation tank and a first pipeline; the three-phase separator is provided with a liquid inlet, a first liquid outlet and an air outlet, wherein the liquid inlet is used for introducing ethylene glycol rich liquid, the first liquid outlet is used for discharging ethylene glycol, and the air outlet is used for discharging gas hydrocarbon; the stabilizing gas-liquid separation tank is provided with a first inlet; a first end of the first line communicates with the exhaust port and a second end of the first line communicates with the first inlet port. The utility model discloses a gas hydrocarbon that first pipeline separates the three-phase separator lets in the stabilizer and divides the fluid reservoir to stabilize, separate out gas hydrocarbon and liquid hydrocarbon, saves respectively, can effective resources are saved, makes the recovery of low pressure gas hydrocarbon recycle, and the recovery processing process is simple, high-efficient, safety.
Description
Technical field
The utility model relates to production of hydrocarbons technical field more particularly to a kind of gas recovery systems.
Background technique
When liquid hydrocarbon in low temperature separating process separating natural gas, the formation of hydrate, needs in cryogenic separation in order to prevent
The different location of device injects antifreezing agent.Due to ethylene glycol small toxicity, the advantages that small is consumed, is injected frequently as hydrate inhibitor
Into low temperature separation unit.
In the prior art, it as shown in Figure 1, ethylene glycol rich solution enters three phase separator 2 by feed liquor pipeline 1, flashes off
The gas hydrocarbon such as ethylene glycol, liquid hydrocarbon, water and volatile propane, butane, wherein ethylene glycol is injected into low temperature by tapping line 3
In separator, liquid hydrocarbon enters collection device, and water enters sewage-treatment plant, and the gas hydrocarbon such as volatile propane, butane passes through row
Gas pipeline 4 enters low pressure flare emptying burning.
But the gas hydrocarbon that flashes off of ethylene glycol rich solution is directly discharged into low pressure flare emptying burning, results in waste of resources and ring
Border pollution, and the one outlet of three phase separator is connected to low pressure flare blowdown system for a long time, it is easily tempered, is unfavorable for
The safe operation of equipment.
Utility model content
The utility model provides a kind of gas recovery system, is directly arranged with solving the gas hydrocarbon that existing ethylene glycol rich solution flashes off
The technical issues of entering low pressure flare emptying burning, resulting in waste of resources.
The utility model provides a kind of gas recovery system, comprising: three phase separator stablizes gas liquid separation tank and the first pipe
Line；The three phase separator is provided with inlet, the first leakage fluid dram and exhaust outlet, and the inlet is for being passed through ethylene glycol richness
Liquid, first leakage fluid dram is for being discharged ethylene glycol, and the exhaust outlet is for being discharged gas hydrocarbon；The stable gas liquid separation tank is provided with
First import；The first end of first pipeline is connected to the exhaust outlet, the second end of first pipeline and described first
Inlet communication.
Gas recovery system as described above, wherein be provided with shut-off valve on first pipeline.
Gas recovery system as described above, wherein be provided with electric-heating belt on first pipeline.
Gas recovery system as described above further includes the second pipeline；The first end and the exhaust of second pipeline
Mouth connection, the second end of second pipeline with low pressure flare blowdown system for being connected to.
Gas recovery system as described above further includes third pipeline and the first three-way connection；The third pipeline
First end is connected to the exhaust outlet, and the second end of the third pipeline is connected to the first interface of first three-way connection；
The second interface of first three-way connection is connected to the first end of second pipeline, and the third of first three-way connection connects
Mouth is connected to the first end of first pipeline；The first regulating valve is provided on the third pipeline.
Gas recovery system as described above, which is characterized in that also set between first regulating valve and the exhaust outlet
It is equipped with the first ball valve；The second ball valve is provided on second pipeline.
Gas recovery system as described above further includes stablizing air compressor and the 4th pipeline；The stable gas liquid separation tank
It is provided with first outlet, for gas hydrocarbon to be discharged；The stable air compressor is provided with air inlet and air outlet, and the gas outlet is used
It is connected in gas hydrocarbon collection device；The first end of 4th pipeline and the first outlet of the stable gas liquid separation tank connect
Logical, the second end of the 4th pipeline is connected to the air inlet of the stable air compressor.
Gas recovery system as described above further includes reflux pipeline；The first end of the reflux pipeline and the stabilization
The connection of air compressor gas outlet, the second end of the reflux pipeline are connected to the air inlet of the stable air compressor, and described
Return valve is provided on reflux pipeline.
Gas recovery system as described above further includes the 6th pipeline；The stable gas liquid separation tank is provided with second outlet；
The first end of 6th pipeline is connected to the second outlet, and the second end of the 6th pipeline is used for and liquid hydrocarbon collection device
Connection, and third ball valve is provided on the 6th pipeline.
Gas recovery system as described above further includes the 7th pipeline；The first end and described first of 7th pipeline
Leakage fluid dram connection, the second end of the 7th pipeline are provided on the 7th pipeline for being connected to low temperature separation unit
Second regulating valve.
The utility model gas recovery system, including three phase separator, stable gas liquid separation tank and the first pipeline, the first pipe
The exhaust outlet of line connection three phase separator and the first import for stablizing gas liquid separation tank, are separated three phase separator by the first pipeline
Gas hydrocarbon out, which is passed through in stabilizer liquid separation tank, stablize, separates precipitation gas hydrocarbon and liquid hydrocarbon, is stored, can effectively be saved respectively
About resource, makes the recycling and reusing of low pressure gas hydrocarbon, and recovery processing process is simple, efficient, safe.
Detailed description of the invention
By referring to accompanying drawing described in detail below, the above and other purpose of the utility model embodiment, feature and excellent
Point will become more clearly understood from.In the accompanying drawings, by by example and it is unrestricted in a manner of multiple implementations to the utility model
Example is illustrated, in which:
Fig. 1 is the structural schematic diagram of ethylene glycol three phase separator in the prior art；
Fig. 2 is the structural schematic diagram of the utility model gas recovery system embodiment one；
Fig. 3 flows to schematic diagram for the utility model gas recovery system embodiment one；
Fig. 4 is the structural schematic diagram of the utility model gas recovery system embodiment two；
Fig. 5 is the structural schematic diagram of the utility model gas recovery system embodiment three；
Fig. 6 flows to schematic diagram for the utility model gas recovery system embodiment three.
Description of symbols:
1: feed liquor pipeline；2: three phase separator；
3: tapping line；4: exhaust line；
10: three phase separator；11: inlet；
12: the first leakage fluid drams；13: exhaust outlet；
14: the seven pipelines；141: the second regulating valves；
15: the eight pipelines；16: storage device；
17: low temperature separation unit；20: stablizing gas liquid separation tank；
21: the first imports；22: first outlet；
23: second outlet；24: the six pipelines；
241: third ball valve；25: liquid hydrocarbon collection device；
30: the first pipelines；31: shut-off valve；
40: the second pipelines；41: the second ball valves；
42: low pressure flare blowdown system；50: third pipeline；
51: the first regulating valves；52: the first ball valves；
60: the first three-way connections；70: stablizing air compressor；
71: air inlet；72: gas outlet；
73: gas hydrocarbon collection device；74: outlet pipe；
75: reflux pipeline；751: return valve；
80: the four pipelines；90: the second three-way connections；
100: the nine pipelines；110: condensate stabilization tower tube line.
Specific embodiment
When liquid hydrocarbon in low temperature separating process separating natural gas, the formation of hydrate, needs in cryogenic separation in order to prevent
The different location of device injects antifreezing agent.Due to ethylene glycol small toxicity, the advantages that small is consumed, is injected frequently as hydrate inhibitor
Into low temperature separation unit.
In the prior art, it as shown in Figure 1, ethylene glycol rich solution enters three phase separator 2 by feed liquor pipeline 1, flashes off
The gas hydrocarbon such as ethylene glycol, liquid hydrocarbon, water and volatile propane, butane, wherein ethylene glycol is injected into low temperature by tapping line 3
In separator, liquid hydrocarbon enters collection device, and water enters sewage-treatment plant, and the gas hydrocarbon such as volatile propane, butane passes through row
Gas pipeline 4 enters low pressure flare emptying burning.
But the gas hydrocarbon that flashes off of ethylene glycol rich solution is directly discharged into low pressure flare emptying burning, results in waste of resources and ring
Border pollution, and the one outlet of three phase separator is connected to low pressure flare blowdown system for a long time, it is easily tempered, is unfavorable for
The safe operation of equipment.
For this purpose, the utility model provides a kind of gas recovery system, it is directly discharged into solving low-pressure gas in the prior art
The technical issues of low pressure flare emptying burns, results in waste of resources.
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
Fig. 2 is the structural schematic diagram of the utility model gas recovery system embodiment one；Fig. 3 returns for the utility model gas
That receives system embodiment one flows to schematic diagram；Fig. 4 is the structural schematic diagram of the utility model gas recovery system embodiment two；Figure
5 be the structural schematic diagram of the utility model gas recovery system embodiment three；Fig. 6 is the implementation of the utility model gas recovery system
Example three flows to schematic diagram.
Referring to Fig. 2 and Fig. 3, the present embodiment provides a kind of gas recovery systems, comprising: three phase separator 10 stablizes gas point
Flow container 20 and the first pipeline 30；Three phase separator 10 is provided with inlet 11, the first leakage fluid dram 12 and exhaust outlet 13, feed liquor
Mouth 11 is for being passed through ethylene glycol rich solution, and the first leakage fluid dram 12 is for being discharged ethylene glycol, and exhaust outlet 13 is for being discharged gas hydrocarbon；Stablize gas
Liquid separation tank 20 is provided with the first import 21；The first end of first pipeline 30 is connected to exhaust outlet 13, the second end of the first pipeline 30
It is connected to the first import 21.
Specifically, the present embodiment gas recovery system is applied to the lighter hydrocarbons recovery in the separation process of ethylene glycol rich solution, can also
To be applied to the recycling of other low-pressure gases such as sump oil can system, accident tank system.Gas recovery system, comprising: three phase separation
Device 10 stablizes gas liquid separation tank 20 and the first pipeline 30.Three phase separator 10 can be existing three phase separator structure, can
To be vertical three phase separator, it is also possible to horizontal three-phase separator.The preferred horizontal three-phase separator of the present embodiment.Three phase separation
Device 10 may include tank body and setting in the intracorporal hydrocarbon weir plate of tank and weir board, and hydrocarbon weir plate and weir board are by tank body internal cavity
It is sequentially divided into hydrocarbon gas-water mixing cavity, hydrocarbon chamber, water cavity；Hydrocarbon gas-water mixing cavity and water cavity weir plate bottom are provided with communicating pipe, according to
Density is different, and liquid phase hydro carbons enters hydrocarbon chamber, and water enters water cavity by connecting pipe, and gas phase hydrocarbon goes out by the setting of tank body upper end
Port discharge.Three phase separator 10 includes oval tank body and the separated structure that tank interior is arranged in, three phase separator 10
Tank body on be provided with inlet 11, the first leakage fluid dram 12, the second leakage fluid dram (not shown) and exhaust outlet 13, inlet 11 is logical
It crosses the 8th pipeline 15 to be connected to storage device 16, ethylene glycol rich solution is stored in storage device 16.8th pipeline 15 and inlet
It is sealed connection between 11.For ethylene glycol to be discharged, the ethylene glycol of discharge is injected into low temperature separation unit first leakage fluid dram 12.
For liquid hydrocarbon to be discharged, the liquid hydrocarbon of discharge is stored second leakage fluid dram into collection device.Exhaust outlet 13 is volatile for being discharged
The gas hydrocarbon such as propane, butane.Preferably, the top of the tank body first end of three phase separator 10, exhaust outlet is arranged in inlet 11
13 are arranged in the top of the second end of the tank body of three phase separator 10, and the tank body of three phase separator 10 is arranged in the first leakage fluid dram 12
Second end lower part.
The operating pressure of three phase separator 10 can be designed according to actual needs, such as 255KPa.Stablize gas liquid separation
Tank 20 can be existing liquid separation jar structure, it is preferable that stablizing gas liquid separation tank 20 is horizontal oval tank structure.Stabilizer point
The first import 21 and first outlet 22 are provided on flow container 20, the first import 21 is for being passed through to stable gas hydrocarbon, first outlet
22 are used for the gas hydrocarbon of steady pressure jar.After stable gas hydrocarbon after pressure regulator valve enters stable gas liquid separation tank 20, carried in gas hydrocarbon
Liquid hydrocarbon with pressure change be precipitated liquid hydrocarbon stay in tank bottom.
Stablize the operating pressure that the pressure in gas liquid separation tank 20 is lower than three phase separator 10, such as stable gas liquid separation tank 20
Pressure is 65KPa.Part liquid hydrocarbon is carried in the gas hydrocarbon that three phase separator 10 is isolated, this part liquid hydrocarbon enters the steady of low pressure
Determine that liquid hydrocarbon can be precipitated in gas liquid separation tank 20, so that gas phase hydrocarbon meets the condition for entering pressure stabilizing machine entrance.It should be noted that steady
Determining gas liquid separation tank 20 can be a liquid separation tank being separately provided, and be also possible to share a liquid separation tank with other treatment processes.
The first end of first pipeline 30 is connected to the exhaust outlet 13 of three phase separator 10, the second end of the first pipeline 30 and steady
Determine the first import 21 connection of gas liquid separation tank 20.First pipeline 30 can be and be threadedly coupled with exhaust outlet 13, the first import 21,
It can be flanged joint etc., it is not limited here.
In actual process, referring to Fig. 3, the ethylene glycol rich solution in storage device 16 enters three by the 8th pipeline 15
Phase separator 10, by the separating treatment of three phase separator 10, the ethylene glycol isolated injects low temperature separation unit by pipeline,
The gas hydrocarbon isolated carries part liquid hydrocarbon and is discharged into stable gas liquid separation tank 20 by the first pipeline 30, by stablizing gas liquid separation tank 20
Stablize processing, gas hydrocarbon and liquid hydrocarbon are discharged are stored respectively.
Gas recovery system provided in this embodiment, including three phase separator, stable gas liquid separation tank and the first pipeline, the
The exhaust outlet of one pipeline connection three phase separator and stablize the first import of gas liquid separation tank, by the first pipeline by three phase separator
The gas hydrocarbon isolated, which is passed through in stabilizer liquid separation tank, stablize, separates precipitation gas hydrocarbon and liquid hydrocarbon, is stored respectively, Neng Gouyou
Effect economizes on resources, and makes the recycling and reusing of low pressure gas hydrocarbon, and recovery processing process is simple, efficient, safe.
Further, it is provided with shut-off valve 31 on the first pipeline 30, is discharged into stable gas point for controlling three phase separator 10
The opening and closing of the gas hydrocarbon of flow container 20.Shut-off valve 31 may include valve rod, valve seat and flap etc., rotary valve rod, by the pressure of valve rod
It fits closely valve clack sealing surface with sealing surface of seat, gas medium is prevented to circulate；Rotate in the opposite direction valve rod, valve clack sealing surface
It is separated with sealing surface of seat, gas medium circulation.Shut-off valve 31 and the first pipeline 30 can be flanged joint, screwed connection or
Be welded to connect etc., the utility model to the specific structure and connection type of shut-off valve without limitation.
Ambient temperature is too low in order to prevent, and the liquid that gas hydrocarbon carries in the first pipeline is frozen in and blocks the first pipeline,
Electric-heating belt (not shown) is provided on first pipeline 30.Electric-heating belt includes conducting polymer, two metals disposed in parallel
Conducting wire and the insulating protective layer that outer layer is set.Wherein, electric-heating belt can be wrapped on the first pipeline 30 with waveform, ability
Field technique personnel with can electric tracing length needed for the compound every mitron road of determination according to needed for every meter, then determine wave curvature again
Radius.Electric-heating belt is pasted with aluminium foil strip eye Wave curved or pastes knee with aluminium glue band.Electric-heating belt can also be with spiral winding
On the first pipeline 30；Electric-heating belt can be with one or mostly with installing along pipeline straight line.The utility model is to electric-heating belt
Specific mounting means without limitation.
Referring to fig. 4 to fig. 6, the present embodiment low-pressure gas recyclable device further includes the second pipeline 40；The of second pipeline 40
One end is connected to exhaust outlet 13, and the second end of the second pipeline 40 with low pressure flare blowdown system 42 for being connected to.
Specifically, the present embodiment low-pressure gas recyclable device further includes the second pipeline 40；The first end of second pipeline 40 with
Exhaust outlet 13 is connected to, and the second end of the second pipeline 40 with low pressure flare blowdown system 42 for being connected to, in case of emergency, can be with
The shut-off valve 31 of the first pipeline 30 is closed, the gas hydrocarbon that three phase separator 10 is discharged is drained into low pressure flare by the second pipeline 40 and puts
Empty set system burns.
Further, the present embodiment low-pressure gas recyclable device further includes third pipeline 50 and the first three-way connection 60；
The first end of third pipeline 50 is connected to exhaust outlet 13, the first interface of the second end of third pipeline 50 and the first three-way connection 60
Connection；The second interface of first three-way connection 60 is connected to the first end of the second pipeline 40, and the third of the first three-way connection 60 connects
Mouth is connected to the first end of the first pipeline；The first regulating valve 51 is provided on third pipeline 50.
Specifically, the first interface of the first three-way connection 60 is connected to the second end of third pipeline 50, the first three-way connection
60 second interface is connected to the first end of the second pipeline 40, and the first of the third interface of the first three-way connection 60 and the first pipeline
End connection.The first regulating valve 51 is provided on third pipeline 50, the first regulating valve 51 can be pneumatic control valve, motorized adjustment
Valve, hydraulic adjusting valve or direct-operated regulator etc., it is not limited here.
The pressure for the gas hydrocarbon isolated due to three phase separator 10 is close with the atmospheric pressure of condensate stabilization tower top, condensate
Pressure in liquid separation tank is 65KPa, it is preferable that stablizing gas liquid separation tank 20 can share with condensate liquid separation tank, not need additional
One liquid separation tank is set again, the pressure for the gas hydrocarbon that three phase separator 10 is isolated is adjusted by the first regulating valve 51, makes its satisfaction
The inlet pressure of condensate liquid separation tank.In an embodiment mode, stablize the first outlet 21 and the 9th of gas liquid separation tank 20
The first end of pipeline 100 is connected to, and the second end of the 9th pipeline 100 is connected to the first interface of the second three-way connection 90, and the two or three
The second interface of pass joint 90 is connected to the second end of the first pipeline 30, and the third interface and condensate of the second three-way connection 90 are steady
Determine the connection of tower tube line 110.
Further, the first ball valve 52 is additionally provided between the first regulating valve 51 and exhaust outlet 13；On second pipeline 40
It is provided with the second ball valve 41.The opening and closing element of first ball valve 52 and the second ball valve 41 is sphere, is driven by valve rod, and around ball valve axis
It rotates, to control and adjust fluid.First ball valve 52 and the second ball valve 41 can be pneumatic ball valve, be also possible to electronic
Ball valve or manual ball valve, it is not limited here.The first ball valve 52 and the second ball is respectively set at the both ends of the first regulating valve 51
Valve 41 closes the first ball valve 52 and the second ball valve 41 in maintenance, and the first regulating valve 51 of disassembly checks whether internal component is complete
It is good, it does not need to completely close whole equipment.
On the basis of the above embodiments, the present embodiment gas recovery system further includes stablizing air compressor 70 and the 4th pipe
Line 80；Stablize gas liquid separation tank 20 and be provided with first outlet 22, for gas hydrocarbon to be discharged；Stablize air compressor 70 and is provided with air inlet 71
With gas outlet 72, gas outlet 72 with gas hydrocarbon collection device 73 for being connected to；The first end of 4th pipeline 80 and stablize gas liquid separation tank
20 first outlet 22 is connected to, and the second end of the 4th pipeline 80 is connected to the air inlet 71 for stablizing air compressor 70.
Specifically, gas recovery system further includes stablizing air compressor 70, outlet pipe 74 and the 4th pipeline 80；Stablize gas
Liquid separation tank 20 is provided with first outlet 22, for gas hydrocarbon to be discharged；Stablize air compressor 70 and be provided with air inlet 71 and gas outlet 72,
The first end of outlet pipe 74 is connected to gas outlet 72, and the second end of outlet passageway 74 is connected to gas hydrocarbon collection device 73.4th
The first end of pipeline 80 is connected to the first outlet 22 for stablizing gas liquid separation tank 20, and the second end of the 4th pipeline 80 contracts with air pressure is stablized
The air inlet 71 of machine 70 is connected to.Gas hydrocarbon by stablizing the precipitation of gas liquid separation tank 20 is passed into stable air pressure via the 4th pipeline 80 and contracts
In machine 70, stablizes 70 pairs of gas hydrocarbon of air compressor and be pressurized, be discharged in gas hydrocarbon collection device 73 and save.Stablize air compressor 70
It is promoted to high pressure gas for low-pressure gas in gas liquid separation tank 20 will to be stablized, sucks the gas of low pressure, is driven by clicking movement
Piston compresses it, discharges high pressure gas.Stablize air compressor 70 can be piston compressor, helical-lobe compressor,
Centrifugal compressor etc., the utility model is without limitation.
It is met the requirements to guarantee to stablize the air pressure of the air inlet 71 of air compressor 70, the present embodiment gas recovery system is also
Including reflux pipeline 75；The first end of reflux pipeline 75 is connected to the gas outlet 72 for stablizing air compressor 70, reflux pipeline 75
Second end is connected to the air inlet 71 for stablizing air compressor 70, and return valve 751 is provided on reflux pipeline 75.
When stablizing the hypertonia of gas outlet 72 of air compressor 70, return valve 91 is opened, so that outlet pipe 74
Gas returns to the air inlet 71 for stablizing air compressor 70 by return valve 91, and it is more than default for avoiding the pressure in outlet pipe 74
Pressure achievees the purpose that safeguard protection.
Further, the present embodiment gas recovery system further include further include the 6th pipeline 24；Stablize gas liquid separation tank 20
It is provided with second outlet 23；The first end of 6th pipeline 24 is connected to second outlet 23, the second end of the 6th pipeline 24 be used for
Liquid hydrocarbon collection device 25 is connected to, and is provided with third ball valve 241 on the 6th pipeline.
Specifically, stablize gas liquid separation tank 20 and be additionally provided with second outlet 23, the first end and second outlet of the 6th pipeline 24
23 connections, the second end of the 6th pipeline 24 with liquid hydrocarbon collection device 25 for being connected to.Preferably, stablizing gas liquid separation tank 20 is
It is provided with third ball valve 241 on 6th pipeline 24, to control the liquid level of the 6th pipeline 24, when 24 liquid level of the 6th pipeline
It is low, when there is gas phase liquid leakage phase, third ball valve 241 is closed in time, guarantees liquid level in the normal range
Optionally, the present embodiment gas recovery system further includes the 7th pipeline 14；The first end and first of 7th pipeline 14
Leakage fluid dram 12 is connected to, and the second end of the 7th pipeline 14 is provided on the 7th pipeline 14 for being connected to low temperature separation unit 17
Second regulating valve 141.
The leakage fluid dram 12 of three phase separator 10 is connected to by the 7th pipeline 14 with low temperature separation unit 17, is used for ethylene glycol
Discharge is injected into low temperature separation unit 17, and the second regulating valve 141 is for adjusting the second two being injected into low temperature separation unit 17
The flow of alcohol.
Referring to Fig. 6, in actual process, the ethylene glycol rich solution in storage device 16 enters three by the 8th pipeline 15
Phase separator 10, by the separating treatment of three phase separator 10, the ethylene glycol isolated is injected into low temperature by the 7th pipeline 14
In separator 17；The gas hydrocarbon isolated, which carries part liquid hydrocarbon, can be drained into low pressure by third pipeline 50 and the second pipeline 40
Flare vent system burning；The gas hydrocarbon isolated carries part liquid hydrocarbon and can also be discharged by third pipeline 50 and the first pipeline 30
Stablize gas liquid separation tank 20, the gas that condensate stabilization tower tube line 110 is discharged is discharged into stable gas liquid separation tank by the 9th pipeline 90, passes through
The stabilization processing of stable gas liquid separation tank 20 is crossed, gas hydrocarbon is stablized air compressor 70 by the entrance of the 4th pipeline 80 and is pressurized, then
It is discharged into gas hydrocarbon collection device 73 via outlet pipe 74 to be stored, liquid hydrocarbon is discharged to liquid hydrocarbon mobile device by the 6th pipeline 24
25 are stored.
Term " first ", " second " are used for description purposes only in the description of the present invention, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " are defined as a result,
Feature can explicitly or implicitly include at least one of the features.In the description of the present invention, the meaning of " plurality " is
At least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection is also possible to be electrically connected or can communicate each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the above description, reference term " one embodiment ", " some embodiments ", " example ", " specific example " or
The description of " some examples " etc. means that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example include
In at least one embodiment or example of the utility model.In the present specification, schematic expression of the above terms need not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in a or multiple embodiment or examples.In addition, without conflicting with each other, the technology of this field
The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined by personnel
And combination.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of gas recovery system characterized by comprising three phase separator stablizes gas liquid separation tank and the first pipeline；
The three phase separator is provided with inlet, the first leakage fluid dram and exhaust outlet, and the inlet is for being passed through ethylene glycol
Rich solution, first leakage fluid dram is for being discharged ethylene glycol, and the exhaust outlet is for being discharged gas hydrocarbon；
The stable gas liquid separation tank is provided with the first import；
The first end of first pipeline is connected to the exhaust outlet, and the second end of first pipeline and first import connect
It is logical.
2. gas recovery system according to claim 1, which is characterized in that be provided with shut-off valve on first pipeline.
3. gas recovery system according to claim 2, which is characterized in that be provided with electric tracing on first pipeline
Band.
4. gas recovery system according to claim 1, which is characterized in that further include the second pipeline；
The first end of second pipeline is connected to the exhaust outlet, and the second end of second pipeline with low pressure flare for putting
Empty system connectivity.
5. gas recovery system according to claim 4, which is characterized in that further include that third pipeline and the one or three connect
Head；
The first end of the third pipeline is connected to the exhaust outlet, and the second end of the third pipeline is connected with the described 1st
The first interface connection of head；
The second interface of first three-way connection is connected to the first end of second pipeline, and the of first three-way connection
Three interfaces are connected to the first end of first pipeline；
The first regulating valve is provided on the third pipeline.
6. gas recovery system according to claim 5, which is characterized in that first regulating valve and the exhaust outlet it
Between be additionally provided with the first ball valve；
The second ball valve is provided on second pipeline.
7. gas recovery system according to claim 1-6, which is characterized in that further include stablize air compressor and
4th pipeline；
The stable gas liquid separation tank is provided with first outlet, for gas hydrocarbon to be discharged；
The stable air compressor is provided with air inlet and air outlet, and the gas outlet with gas hydrocarbon collection device for being connected to；
The first end of 4th pipeline is connected to the first outlet of the stable gas liquid separation tank, the second end of the 4th pipeline
It is connected to the air inlet of the stable air compressor.
8. gas recovery system according to claim 7, which is characterized in that further include reflux pipeline；
The first end of the reflux pipeline is connected to the stable air compressor gas outlet, the second end of the reflux pipeline and institute
The air inlet connection of stable air compressor is stated, and is provided with return valve on the reflux pipeline.
9. gas recovery system according to claim 1-6, which is characterized in that further include the 6th pipeline；
The stable gas liquid separation tank is provided with second outlet；
The first end of 6th pipeline is connected to the second outlet, and the second end of the 6th pipeline is used to collect with liquid hydrocarbon
Device connection, and third ball valve is provided on the 6th pipeline.
10. gas recovery system according to claim 1-6, which is characterized in that further include the 7th pipeline；
The first end of 7th pipeline is connected to first leakage fluid dram, and the second end of the 7th pipeline is used for and low temperature point
It is connected to from device, and is provided with the second regulating valve on the 7th pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604918.0U CN208465493U (en) | 2018-04-26 | 2018-04-26 | Gas recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604918.0U CN208465493U (en) | 2018-04-26 | 2018-04-26 | Gas recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208465493U true CN208465493U (en) | 2019-02-05 |
Family
ID=65220057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820604918.0U Active CN208465493U (en) | 2018-04-26 | 2018-04-26 | Gas recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208465493U (en) |
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2018
- 2018-04-26 CN CN201820604918.0U patent/CN208465493U/en active Active
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