CN208632477U - Associated gas skid recovery system - Google Patents
Associated gas skid recovery system Download PDFInfo
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- CN208632477U CN208632477U CN201821126634.1U CN201821126634U CN208632477U CN 208632477 U CN208632477 U CN 208632477U CN 201821126634 U CN201821126634 U CN 201821126634U CN 208632477 U CN208632477 U CN 208632477U
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Abstract
The utility model discloses associated gas skid recovery systems, including carrying out the feeder that gas carries out air inlet mixing for absorbing raw material, the gas outlet of feeder is communicated with compressor air inlet knockout drum by pipeline, the lower end of compressor air inlet knockout drum offers the discharge port for separation draining, compressor air inlet knockout drum is communicated with feed gas compressor by pipeline, feed gas compressor is communicated with feed gas chiller by pipeline, the output end output raw material air cooling energy of feed gas chiller, feed gas chiller is communicated with lime set by pipeline and recycles air inlet knockout drum, the lower end of lime set recycling air inlet knockout drum offers the sewage draining exit for lime set recycling air inlet knockout drum blowdown, hot gas is delivered in heat exchanger group by lime set recycling air inlet knockout drum by pipeline, the heat outlet of heat exchanger group is communicated with hydrocarbon liquid knockout drum by pipeline.The utility model saves a large amount of pipeline and is laid to this, has saved the consumption of the energy, has protected environment.
Description
Technical field
The utility model relates to associated gas recovery technology field more particularly to associated gas skid recovery systems.
Background technique
China's associated gas is resourceful, but utilization rate is to be improved.China's associated gas is resourceful, association in 2000
Gas yield is 62 billion cubic meters, accounts about the 18.8% of natural gas total output, it is vertical that associated gas yield in 2015 reaches 253.8 hundred million
Square rice, only Xinjiang region just reaches 115.5 billion cubic meters.According to incompletely statistics, only partially because of territory restriction, the small oil of dispersion
The associated gas that field is burnt up every year is as high as 10 billion cubic meters or so, accounts about 3% (gas production in 2015 of gas production
1350 billion cubic meters burn up 40.5 billion cubic meters).
Currently, many exploitation of oil-gas field addresses in Xinjiang are remote apart from gathering station up to several hundred kilometers, associated natural gas gas is produced daily
Amount is substantially in 0.5-5 × 104Nm3Left and right, it is even lower, more there is the unpredictable risk of mine yield.If under this form respectively
The associated gas concentration of each point of well is transported to after gathering station by the way of pipeline and is dehydrated again, takes off hydrocarbon, production certainly will be increased
The management cost of the route of pipe line, tearing open for postpartum pipeline are cut into this in the laid down cost of preceding pipeline, production, and enter pipeline laying and cut with tearing open
Endless loop in, and natural gas fired is used to burn or the traditional technology that directly empties, a large amount of energy waste and ring will be caused
Border pollution.It follows that such project is at all profitless.
Natural gas is the lifeblood for being important clean energy resource and national life.Recycling processing is carried out to emptying natural gas
And produce qualified outer defeated natural gas, not only can pollution to avoid the valuable wasting of resources and burning gases to atmosphere, and
And very considerable economic benefit can also be obtained, it is the important measures that energy conservation is taped the latent power with environmental protection.
Utility model content
Purpose of the utility model is to solve the mode of pipeline is respectively adopted in the prior art by each point of well
Associated gas concentration be transported to after gathering station be dehydrated again, de- hydrocarbon, the laid down cost of antenatal pipeline, the route of pipe line in production certainly will be increased
Management cost, tearing open for postpartum pipeline are cut into this, and enter pipeline laying and tear open in the endless loop cut, and natural gas fired is used to fire
The problem of burning or the traditional technology that directly empties, a large amount of energy waste and environmental pollution will be caused, and the oil field association proposed
Gas skid recovery system.
To achieve the goals above, the utility model adopts the technical scheme that
Associated gas skid recovery system, it is described including carrying out the feeder that gas carries out air inlet mixing for absorbing raw material
The gas outlet of feeder is communicated with compressor air inlet knockout drum by pipeline, and the lower end of the compressor air inlet knockout drum offers
For the discharge port of separation draining, the compressor air inlet knockout drum is communicated with feed gas compressor, the raw material by pipeline
Air compressor is communicated with feed gas chiller by pipeline, the output end output raw material air cooling energy of the feed gas chiller,
The feed gas chiller is communicated with lime set by pipeline and recycles air inlet knockout drum, the lower end of the lime set recycling air inlet knockout drum
The sewage draining exit for lime set recycling air inlet knockout drum blowdown is offered, the lime set recycling air inlet knockout drum passes through pipeline for hot gas
It is delivered in heat exchanger group, the heat outlet of the heat exchanger group is communicated with hydrocarbon liquid knockout drum, the hydrocarbon liquid separation by pipeline
By being communicated with flash tank for the pipeline of hydrocarbon liquid blowdown, the gas outlet of the flash tank is connected to by pipeline with feeder tank,
The cold air outlet of the hydrocarbon liquid knockout drum passes through the cold air inlet communication of pipeline and heat exchanger group, and the cold air of the heat exchanger group goes out
Mouth is communicated with residue gas compressor by pipeline, and the discharge port of the residue gas compressor is communicated with dry gas cooler by pipeline.
Preferably, the pipeline being connected between the heat exchanger group and hydrocarbon liquid knockout drum is equipped with valve.
Preferably, the feed gas compressor and residue gas compressor are done work by extraneous work done during compression.
Preferably, C3+ hydrocarbon liquid is discharged in the discharge port of the flash tank.
Preferably, the cooling energy of discharge port discharge dry gas of the dry gas cooler.
Compared with prior art, the utility model provides associated gas skid recovery system, has following beneficial to effect
Fruit:
The associated gas skid recovery system, by material pressure compression system and dry gas compressibility by a set of compressor
Group is completed, and cooperation separation tank body, gas system are assembled into a pressurization prizing body jointly, for providing chock pressure difference and realization
Pressurization is outer defeated；Dewatering system, cooling separation are assembled into a lime set recycling prizing body, reach for reducing the water hydrocarbon dew point of gas
Economic benefit is obtained while defeated to pipe, a large amount of pipeline is saved and is laid to this, saved the consumption of the energy, protected ring
Border.
And be not directed to part in the device and be the same as those in the prior art or can be realized by using the prior art, this is practical
It is novel to save a large amount of pipeline and be laid to this, the consumption of the energy has been saved, environment is protected.
Detailed description of the invention
Fig. 1 be the utility model proposes associated gas skid recovery system structural schematic diagram.
In figure: 1 feeder, 2 compressor air inlet knockout drums, 3 feed gas compressors, 4 feed gas chillers, the recycling of 5 lime sets
Air inlet knockout drum, 6 heat exchanger groups, 7 valves, 8 hydrocarbon liquid knockout drums, 9 flash tanks, 10 residue gas compressors, 11 dry gas coolers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1, associated gas skid recovery system, including carrying out the charging that gas carries out air inlet mixing for absorbing raw material
The gas outlet of device 1, feeder 1 is communicated with compressor air inlet knockout drum 2 by pipeline, and the lower end of compressor air inlet knockout drum 2 is opened
Equipped with the discharge port for separation draining, compressor air inlet knockout drum 2 is communicated with feed gas compressor 3, unstripped gas by pipeline
Compressor 3 is communicated with feed gas chiller 4, the output end output raw material air cooling energy of feed gas chiller 4, raw material by pipeline
Gas Cooler 4 is communicated with lime set by pipeline and recycles air inlet knockout drum 5, and the lower end of lime set recycling air inlet knockout drum 5 opens up useful
In the sewage draining exit of lime set recycling 5 blowdown of air inlet knockout drum, hot gas is delivered to by lime set recycling air inlet knockout drum 5 by pipeline to be changed
In hot device group 6, the heat outlet of heat exchanger group 6 is communicated with hydrocarbon liquid knockout drum 8 by pipeline, and hydrocarbon liquid knockout drum 8 is by being used for hydrocarbon
The pipeline of liquid blowdown is communicated with flash tank 9, and the gas outlet of flash tank 9 is connected to by pipeline with feeder 1, hydrocarbon liquid knockout drum 8
Cold air outlet passes through the cold air inlet communication of pipeline and heat exchanger group 6, and the cold air outlet of heat exchanger group 6 is communicated with dry by pipeline
The discharge port of air compressor 10, residue gas compressor 10 is communicated with dry gas cooler 11 by pipeline.
The pipeline being connected between heat exchanger group 6 and hydrocarbon liquid knockout drum 8 is equipped with valve 7.
Feed gas compressor 3 and residue gas compressor 10 pass through extraneous work done during compression acting.
C3+ hydrocarbon liquid is discharged in the discharge port of flash tank 9.
The cooling energy of discharge port discharge dry gas of dry gas cooler 11.
In the utility model, in use, it is low pressure associated gas that well head raw material, which carrys out gas, pressure is generally in 0.1~0.3MPa
(G), it is filtered out into fore filter after the hydrocarbon liquid of free state, water into being isolated by compressor air inlet knockout drum after pressurization sled
Solid granulates subsequently enter feed gas compressor pressurization, are pressurized to 7.5MPa (G) through three-level, make after feed gas chiller is cooling
Gas temperature is cooled to 45 DEG C or so, will be pressurized raw natural gas after cooling by external pipe and access condensate recovery device sled
It carries out that de- hydrocarbon is dehydrated, throttled between grade, dry gas passes through extension tube attached after re-heat (dry gas pressure P=1.6MPa (G)) in heat exchanger group
Tieback to pressurization prizes residue gas compressor entrance again in road, then carries out three stage compression to 25MPa (G), outer after dry gas cooler is cooling
Fortune, pressurization sled feed gas chiller gas after cooling, which accesses after the sled, to be introduced into lime set recycling air inlet knockout drum and isolates condensation
(centre setting enters the bypass ball valve of flash tank so as to subsequent to heat using feed gas chiller gas temperature after cooling to liquid
Hydrocarbon liquid, so that ethane is become gas phase outlet by liquid phase --- i.e. deethanization bypasses the control of ball valve by PLC according to the sudden strain of a muscle detected
Steaming pot temperature automatically switches), then by molecular sieve dehydration drying tower deep dehydration, dry gas is continuous by heat exchanger group
Dynamic heat exchange after make it leave the temperature of heat exchanger lower than -6 DEG C, then pass through J-T valve reducing pressure by regulating flow to 1.6Mpa
(G), -35 DEG C are cooled to, the biphase gas and liquid flow to get off that cools, which enters hydrocarbon liquid knockout drum, separates gas and liquid hydrocarbon.It isolates
Low temperature dry gas (main component be methane, ethane and a small amount of propane) enter heat exchanger group and dewatered dry as cryogen
Scorching gas body carries out heat exchange, and heat flux gas while realizes that the re-heat of itself takes back pressurization sled residue gas compressor entrance
Continue constantly to absorb pressurization after the liquid hydrocarbon (predominantly C3+ component) for being pressurized, and isolating is flashed into flash tank and prize to carry out gas
Temperature makes ethane gasify, and achievees the purpose that separate ethane, and dewatering system uses semiautomatic control, the gas after taking fraction dry
Body is regenerated, and avoids molecular sieve that from cannot thoroughly regenerating.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. associated gas skid recovery system, special including carrying out the feeder (1) that gas carries out air inlet mixing for absorbing raw material
Sign is that the gas outlet of the feeder (1) is communicated with compressor air inlet knockout drum (2), the compressor air inlet by pipeline
The lower end of knockout drum (2) offers the discharge port for separation draining, and the compressor air inlet knockout drum (2) is connected to by pipeline
Have feed gas compressor (3), the feed gas compressor (3) is communicated with feed gas chiller (4), the unstripped gas by pipeline
The output end output raw material air cooling energy of cooler (4), the feed gas chiller (4) by pipeline be communicated with lime set recycle into
Gas knockout drum (5), the lower end of lime set recycling air inlet knockout drum (5) are offered for lime set recycling air inlet knockout drum (5) row
Dirty sewage draining exit, hot gas is delivered in heat exchanger group (6) by lime set recycling air inlet knockout drum (5) by pipeline, described to change
The heat outlet of hot device group (6) is communicated with hydrocarbon liquid knockout drum (8) by pipeline, and the hydrocarbon liquid knockout drum (8) is by being used for hydrocarbon liquid
The pipeline of blowdown is communicated with flash tank (9), and the gas outlet of the flash tank (9) is connected to by pipeline with feeder (1), the hydrocarbon
The cold air outlet of liquid knockout drum (8) by the cold air inlet communication of pipeline and heat exchanger group (6), the heat exchanger group (6) it is cold
Gas outlet is communicated with residue gas compressor (10) by pipeline, and the discharge port of the residue gas compressor (10) is communicated with dry by pipeline
Gas Cooler (11).
2. associated gas skid recovery system according to claim 1, which is characterized in that the heat exchanger group (6) with
The pipeline being connected between hydrocarbon liquid knockout drum (8) is equipped with valve (7).
3. associated gas skid recovery system according to claim 1, which is characterized in that the feed gas compressor
(3) and residue gas compressor (10) passes through extraneous work done during compression acting.
4. associated gas skid recovery system according to claim 1, which is characterized in that the flash tank (9) goes out
C3+ hydrocarbon liquid is discharged in material mouth.
5. associated gas skid recovery system according to claim 1, which is characterized in that the dry gas cooler (11)
The cooling energy of discharge port discharge dry gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821126634.1U CN208632477U (en) | 2018-07-16 | 2018-07-16 | Associated gas skid recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821126634.1U CN208632477U (en) | 2018-07-16 | 2018-07-16 | Associated gas skid recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208632477U true CN208632477U (en) | 2019-03-22 |
Family
ID=65739174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821126634.1U Active CN208632477U (en) | 2018-07-16 | 2018-07-16 | Associated gas skid recovery system |
Country Status (1)
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| CN (1) | CN208632477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484279A (en) * | 2022-03-21 | 2022-05-13 | 广东肯富来泵业股份有限公司 | Oil field associated gas recovery liquid ring multi-stage compressor system and method |
-
2018
- 2018-07-16 CN CN201821126634.1U patent/CN208632477U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484279A (en) * | 2022-03-21 | 2022-05-13 | 广东肯富来泵业股份有限公司 | Oil field associated gas recovery liquid ring multi-stage compressor system and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610100 No. 366 Longan Road, Chengdu Economic and Technological Development Zone (Longquanyi District), Sichuan Province Patentee after: Chengdu Tianyi energy equipment manufacturing Co., Ltd Address before: 610100 No. 366 Longan Road, Chengdu Economic and Technological Development Zone (Longquanyi District), Sichuan Province Patentee before: CHENGDU TIANYI NATURAL GAS COMPRESSOR MANUFACTURING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |