CN108317394B - Skid-mounted natural gas gathering and conveying treatment device - Google Patents
Skid-mounted natural gas gathering and conveying treatment device Download PDFInfo
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- CN108317394B CN108317394B CN201810188699.7A CN201810188699A CN108317394B CN 108317394 B CN108317394 B CN 108317394B CN 201810188699 A CN201810188699 A CN 201810188699A CN 108317394 B CN108317394 B CN 108317394B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/14—Arrangements for supervising or controlling working operations for eliminating water
- F17D3/145—Arrangements for supervising or controlling working operations for eliminating water in gas pipelines
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention belongs to the ground process flow and equipment of natural gas, and particularly relates to a skid-mounted natural gas gathering and transportation treatment device. The skid-mounted natural gas gathering and conveying treatment device integrates the functions of raw gas-liquid separation, light hydrocarbon removal, flow switching, station self-gas treatment, station entering interception, emptying and liquid discharge and the like on a skid; meanwhile, the vortex tube transducer is utilized to realize the efficient utilization of the energy of the raw material natural gas at the station, and the skid-mounted device can greatly reduce engineering investment, reduce operation cost and improve construction and operation efficiency.
Description
Technical Field
The invention belongs to the ground process flow and equipment of natural gas, and particularly relates to a skid-mounted natural gas gathering and transportation treatment device.
Background
Background
Natural gas is used as clean energy in China, and the demand is increasing. The natural gas is transported to downstream after preliminary processing in gas gathering station, and the main technological process includes gas gathering, pressurizing or depressurizing, metering, separating, cleaning pipe, etc.
In general, the gas gathering station comprises a plurality of professional areas such as a progressive treatment area, a heating furnace area, a separator area, a self-consumption gas area, a metering and external transmission area, a power supply area, a station management living area and the like; the occupied area is large, the personnel configuration is more, the construction period is long, the maintenance cost is high, and most equipment pipelines can not be reused after the station yard is abandoned; therefore, aiming at the problems existing in the construction and investment maintenance of the gas gathering station, an integrated design method, a skid-mounted gas gathering station process flow and equipment are required to be adopted, so that the construction efficiency of the gas gathering station is effectively improved, and the construction and maintenance cost is reduced.
Disclosure of Invention
The invention aims to provide a skid-mounted natural gas gathering and transportation processing device aiming at the problems in the prior art, and the skid-mounted device realizes skid-mounting of a natural gas gathering station equipment pipeline, can be prefabricated and debugged in a factory, and is installed after being integrally transported to the site.
The technical scheme of the invention is as follows:
the skid-mounted natural gas gathering and transportation treatment device comprises a skid-mounted base, wherein a gas-liquid separator and a flash evaporation and torch liquid separating tank are arranged on the skid-mounted base; the flash evaporation and torch liquid separating tank is positioned below the gas-liquid separator.
The wellhead raw material natural gas sequentially enters the vortex tube transducer through a raw material gas inlet pipeline and a vortex tube transducer inlet pipeline, then enters a vortex tube transducer hot end pipeline from a vortex tube hot end outlet of the vortex tube transducer, and is connected with a gas-liquid separator through a gas-liquid separator inlet pipeline, and a hot end valve group is arranged on the gas-liquid separator inlet pipeline; the cold end outlet of the vortex tube transducer is connected with the cold-hot flow mixer through the cold end pipeline of the vortex tube transducer, the air heat exchanger and the outlet pipeline of the air heat exchanger in sequence; the cold and hot flow mixer is connected with an external pipeline through an external pipeline three-way valve group, and the external pipeline is used for conveying the treated natural gas downstream.
The bottom of the gas-liquid separator is connected with the flash evaporation and the torch liquid separating tank sequentially through a liquid discharging pipeline of the gas-liquid separator and a liquid inlet pipeline of the flash evaporation and the torch liquid separating tank.
The bottom of the flash evaporation and torch liquid separating tank is connected with a liquid discharging main pipe sequentially through a flash evaporation and torch liquid separating tank liquid discharging pipeline, a flash evaporation and torch liquid separating tank liquid discharging valve group and a flash evaporation and torch liquid separating tank liquid discharging collecting pipe.
The gas phase outlet of the gas-liquid separator is connected with the cold gas flow mixer through the gas-liquid separator exhaust pipeline.
The raw material gas inlet pipe is connected with a flash evaporation and torch liquid separation tank inlet pipeline through a vent header pipe and a raw material gas vent valve group, and the flash evaporation is connected with the top of the torch liquid separation tank through the flash evaporation and torch liquid separation tank inlet pipeline.
The upper part of the gas-liquid separator is connected with the flash evaporation and torch liquid separation tank air inlet pipeline sequentially through a gas-liquid separator air vent pipeline, a gas-liquid separator air vent valve group and a gas-liquid separator air vent collecting pipe.
The flash evaporation and the gas phase outlet of the torch liquid separating tank are connected with the emptying pipeline sequentially through the flash evaporation and gas phase liquid separating tank exhaust pipeline and the emptying valve group.
The raw material gas inlet pipeline is provided with a raw material gas inlet pipeline three-way valve, a gas-liquid separator inlet three-way valve group is arranged at the joint of the vortex tube transducer hot end pipeline and the gas-liquid separator inlet pipeline, and the raw material gas inlet pipeline three-way valve is connected with the gas-liquid separator inlet three-way valve group sequentially through a raw material gas inlet bypass pipeline, a raw material gas bypass valve group and a gas-liquid separator inlet bypass pipeline.
Specifically, a heat exchange coil is wound on the cold end of the vortex tube transducer, and the outlet end of the heat exchange coil sequentially passes through an outlet pipeline of the heat exchange coil, an inlet valve group of the self-use gas separator and an inlet pipeline of the self-use gas separator to be connected with the self-use gas separator, and the self-use gas separator supplies gas for a gas collecting station through a self-use gas pipeline; the inlet end of the heat exchange coil pipe is connected with the three-way valve group of the external transmission pipeline through the inlet pipeline of the coil pipe, the self-gas-using feedback valve group and the self-gas-using feedback pipeline in sequence.
Specifically, the bottom of the self-gas separator is connected with a liquid discharging main pipe sequentially through a liquid discharging pipeline of the self-gas separator and a liquid discharging valve group of the self-gas separator.
Specifically, the bottom of the gas-liquid separator is provided with an emergency liquid discharge pipeline, and the emergency liquid discharge pipeline is connected with a liquid discharge main pipe sequentially through an emergency liquid discharge valve group of the gas-liquid separator and an emergency liquid discharge collecting pipe of the gas-liquid separator.
Specifically, an automatic liquid drain device is arranged on the liquid drain pipeline of the gas-liquid separator.
Specifically, a vortex tube transducer inlet valve group is arranged on the vortex tube transducer inlet pipeline, and a pipeline between the raw material gas inlet pipeline three-way valve group and the vortex tube transducer inlet valve group is connected with a raw material gas emptying main pipe.
The skid-mounted device provided by the invention is realized by the following principle: after the gas from the natural gas wellhead passes through the vortex tube transducer, the high Wen Shiqi flows out from the hot end of the vortex tube transducer, then enters a gas-liquid separator for separation, and the separated natural gas flows out from an outlet of the gas-liquid separator and enters a cold-hot flow mixer; the low-temperature dry gas flows out from the cold end of the vortex tube transducer, enters the air heat exchanger, also enters the cold and hot flow mixer after being heated, and then enters the output pipeline. The bottom of the gas-liquid separator is provided with a liquid discharge pipe which is connected with an automatic liquid discharge device, the automatic liquid discharge device conveys the light hydrocarbon-containing liquid to a flash evaporation and torch liquid separation tank through a pipeline, and flash evaporation steam enters a blow-down pipeline after being treated. The bottom of the gas-liquid separator is provided with an emergency liquid discharge system which is connected with a liquid discharge main pipe and is started when the automatic liquid discharge device can not meet the liquid discharge amount requirement. The bottom of the flash evaporation and torch liquid separating tank is provided with a liquid discharging system, and the liquid after flash evaporation and liquid separating is conveyed to a liquid discharging main pipe. The three-way valve is arranged on the outer transmission pipeline and is connected with the back transmission gas pipeline, the back transmission gas is cooled by the heat exchange coil outside the cold end of the vortex tube transducer and then enters the self-used gas separator, and enters the self-used gas pipeline in the inlet station after passing through the re-separator
The beneficial effects of the invention are as follows: the skid-mounted device is used for integrating equipment used in the main process flow of the natural gas gathering station, and the functions of gas-liquid separation, light hydrocarbon removal, flow switching, station self-gas treatment, station entering interception, emptying liquid discharge and the like of raw gas are integrated on one skid; meanwhile, the vortex tube transducer is utilized, so that the energy of the raw material natural gas at the station is efficiently utilized. The skid-mounted device provided by the invention can greatly reduce engineering investment, reduce operation cost and improve construction and operation efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention.
1 a gas-liquid separator, 2 a flash evaporation and torch liquid separating tank, 3 a gas-liquid separator front support, 4 a gas-liquid separator rear support, 5 a flash evaporation and torch liquid separating tank front support, 6 a flash evaporation and torch liquid separating tank rear support, 7 a vortex tube transducer, 8 a vortex tube hot end outlet, 9 a vortex tube cold end outlet, 10 an air heat exchanger, 11 a raw material gas inlet pipeline, 12 a cold and hot flow mixer, 13 an automatic liquid discharging device, 14 a skid-mounted base, 15 a hot end valve bank, 16 a heat exchange coil, 17 a raw material gas bypass valve bank, 18 a gas-liquid separator inlet pipeline, 19 a gas-liquid separator exhaust pipeline, 20 an external transmission pipeline, 21 a self-gas-use feedback pipeline, 22 a self-gas-use feedback valve bank, 23 a vent pipeline, 24 a vent valve bank, 25 a gas-liquid separator liquid discharge pipeline, 26 a gas-liquid separator emergency liquid discharge pipeline, 27 a raw material gas vent manifold, 28 a raw material gas vent valve bank, 29 a flash evaporation and torch liquid separating tank inlet pipeline, 30 gas-liquid separator vent line, 31 gas-liquid separator vent valve bank, 32 gas-liquid separator vent header, 33 heat exchange coil outlet line, 34 heat exchange coil inlet line, 35 gas-liquid separator inlet bypass line, 36 feed gas inlet bypass line, 37 drain header, 38 self-gas-using line, 39 self-gas-using separator inlet line, 40 flash and flare knock-out tank drain line, 41 flash and flare knock-out tank drain valve bank, 42 flash and flare knock-out tank drain header, 43 flash and flare knock-out tank drain header, 44 flash and flare knock-out tank drain inlet line, 45 gas-liquid separator emergency drain header, 46 gas-liquid separator emergency drain valve bank, 47 self-gas-using separator inlet valve bank, 48 self-gas-using separator, 49 self-gas-using separator drain valve bank, 50 self-gas-using separator drain line, 51 pipe transducer hot end line, the device comprises a cold end pipeline of a 52 vortex tube transducer, an outlet pipeline of a 53 air heat exchanger, an inlet valve group of a 54 vortex tube transducer, an inlet pipeline of a 55 vortex tube transducer, a three-way valve group of a raw material gas inlet pipeline, a three-way valve group of a 57 output pipeline and an inlet three-way valve group of a 58 gas-liquid separator.
Detailed Description
The structure schematic diagram of the skid-mounted natural gas gathering and transportation treatment device is shown in fig. 1, and the skid-mounted natural gas gathering and transportation treatment device comprises a skid-mounted base 14, wherein a gas-liquid separator 1 and a flash evaporation and torch liquid separation tank 2 are arranged on the skid-mounted base 14, the gas-liquid separator 1 is fixedly arranged on the skid-mounted base 14 through a gas-liquid separator front support 3 and a gas-liquid separator rear support 4, and the flash evaporation and torch liquid separation tank 2 is fixedly arranged on the skid-mounted base 14 through a flash evaporation and torch liquid separation tank front support 5 and a flash evaporation and torch liquid separation tank rear support 6; the flash evaporation and torch liquid separation tank 2 is positioned below the gas-liquid separator 1.
The wellhead raw material natural gas sequentially enters the vortex tube transducer 7 through a raw material gas inlet pipeline 11 and a vortex tube transducer inlet pipeline 55, then enters a vortex tube transducer hot end pipeline 51 from a vortex tube hot end outlet 8 of the vortex tube transducer 7, the vortex tube transducer hot end pipeline 51 is connected with the gas-liquid separator 1 through a gas-liquid separator inlet pipeline 18, and a hot end valve group 15 is arranged on the gas-liquid separator inlet pipeline 18; the cold end outlet 9 of the vortex tube transducer 7 is connected with the cold-hot flow mixer 12 through the cold end pipeline 52 of the vortex tube transducer, the air heat exchanger 10 and the outlet pipeline 53 of the air heat exchanger in sequence; the cold and hot flow mixer 12 is connected to the external pipeline 20 through an external pipeline three-way valve set 57, and the external pipeline 20 conveys the treated natural gas downstream. The cold end of the vortex tube transducer 7 is wound with a heat exchange coil 16, the outlet end of the heat exchange coil 16 is sequentially connected with a self-used gas separator 48 through a heat exchange coil outlet pipeline 33, a self-used gas separator inlet valve group 47 and a self-used gas separator inlet pipeline 39, and the self-used gas separator 48 supplies gas for a gas collecting station through a self-used gas pipeline 38; the bottom of the self-gas separator 48 is connected with the drain manifold 37 through a self-gas separator drain pipe 50 and a self-gas separator drain valve group 49 in sequence. The inlet end of the heat exchange coil 16 is connected with the three-way valve group 57 of the external transmission pipeline sequentially through the coil inlet pipeline 34, the self-air-consumption feedback valve group 22 and the self-air-consumption feedback pipeline 21.
The bottom of the gas-liquid separator 1 is connected with the flash evaporation and torch liquid separating tank 2 through a gas-liquid separator liquid discharging pipeline 25 and a flash evaporation and torch liquid separating tank liquid inlet pipeline 44 in sequence, and an automatic liquid discharging device 13 is arranged on the gas-liquid separator liquid discharging pipeline 25. The bottom of the gas-liquid separator 1 is provided with an emergency liquid discharge pipeline 26, and the emergency liquid discharge pipeline 26 is connected with a liquid discharge main pipe 37 through a gas-liquid separator emergency liquid discharge valve group 46 and a gas-liquid separator emergency liquid discharge collecting pipe 45 in sequence.
The bottom of the flash evaporation and torch liquid separating tank 2 is connected with the liquid discharging main pipe 37 through a flash evaporation and torch liquid separating tank liquid discharging pipeline 40, a flash evaporation and torch liquid separating tank liquid discharging valve group 41 and a flash evaporation and torch liquid separating tank liquid discharging collecting pipe 42 in sequence.
The gas phase outlet of the gas-liquid separator 1 is connected with the cold gas flow mixer 12 through a gas-liquid separator exhaust pipe 19.
The raw gas inlet pipeline 11 is connected with a flash evaporation and torch liquid separation tank inlet pipeline 29 through a vent header pipe 27 and a raw gas vent valve group 28, and the flash evaporation is connected with the flash evaporation and torch liquid separation tank inlet pipeline 29 and is connected with the top of the torch liquid separation tank 2.
The upper part of the gas-liquid separator 1 is connected with a flash evaporation and torch liquid separation tank air inlet pipeline 29 sequentially through a gas-liquid separator air outlet pipeline 30, a gas-liquid separator air outlet valve group 31 and a gas-liquid separator air outlet header 32.
The gas phase outlet of the flash evaporation and torch liquid separating tank 2 is connected with the emptying pipeline 23 through a flash evaporation and gas phase liquid separating tank exhaust pipeline 43 and an emptying valve group 24 in sequence.
The raw material gas inlet pipeline 11 is provided with a raw material gas inlet pipeline three-way valve 56, a gas-liquid separator inlet three-way valve group 58 is arranged at the joint of the vortex tube transducer hot end pipeline 51 and the gas-liquid separator inlet pipeline 18, and the raw material gas inlet pipeline three-way valve 56 is connected with the gas-liquid separator inlet three-way valve group 58 sequentially through the raw material gas inlet bypass pipeline 36, the raw material gas bypass valve group 17 and the gas-liquid separator inlet bypass pipeline 35.
The vortex tube transducer inlet valve group 54 is arranged on the vortex tube transducer inlet pipeline 55, and a pipeline between the raw material gas inlet pipeline three-way valve group 56 and the vortex tube transducer inlet valve group 54 is connected with the raw material gas emptying main pipe 27.
The skid-mounted equipment provided by the invention is further described below with reference to a gathering and transportation process flow:
the process flow of adopting the vortex tube is as follows:
if a vortex tube is adopted, the feed gas inlet pipe three-way valve group 56 is opened towards the direction of the vortex tube transducer inlet valve group 54 and is closed towards the direction of the feed gas inlet bypass pipe 36, the vortex tube transducer inlet valve group 54 is opened, the feed gas bypass valve group 17 is closed, the hot end valve group 15 is opened, the gas-liquid separator inlet three-way valve group 58 is opened towards the direction of the gas-liquid separator inlet pipe 18, and the gas-liquid separator inlet three-way valve group 58 is closed towards the direction of the gas-liquid separator inlet bypass pipe 35;
the automatic drainer 13 is opened, the flash vaporization and torch liquid separating tank drain valve group 41 is opened, the emptying valve group 24 is opened, the raw material gas emptying valve group 28 is closed, the flash vaporization and torch liquid separating tank drain valve group 41 is opened, the self-gas separator inlet valve group 47 is opened, the vortex tube transducer inlet valve group 54 is opened, the raw material gas inlet pipeline three-way valve group 56 is opened towards the direction of the vortex tube transducer inlet valve group 54, and the output pipeline three-way valve group 57 is opened.
The vortex tube process flow is not adopted:
if the vortex tube is not adopted, the feed gas inlet pipeline three-way valve group 56 is closed towards the vortex tube transducer inlet valve group 54, is opened towards the feed gas inlet bypass pipeline 36, the vortex tube transducer inlet valve group 54 is closed, the feed gas bypass valve group 17 is opened, the hot end valve group 15 is closed, the gas-liquid separator inlet three-way valve group 58 is closed towards the hot end valve group 15, the gas-liquid separator inlet three-way valve group 58 is opened towards the gas-liquid separator inlet bypass pipeline 35, the gas-liquid separator inlet three-way valve group 58 is opened towards the gas-liquid separator inlet pipeline 18, and the gas-liquid separator inlet three-way valve group 58 is opened towards the gas-liquid separator inlet pipeline 18;
the automatic liquid drainer 13 is opened, the flash evaporation and torch liquid separating tank liquid draining valve group 41 is opened, the emptying valve group 24 is opened, the raw material gas emptying valve group 28 is closed, the flash evaporation and torch liquid separating tank liquid draining valve group 41 is opened, the self-gas separator inlet valve group 47 is opened, the vortex tube transducer inlet valve group 54 is opened, the raw material gas inlet pipeline three-way valve group 56 is opened towards the direction of the gas-liquid separator inlet pipeline 18, and the outer conveying pipeline three-way valve group 57 is opened.
The skid-mounted gathering and conveying device provided by the invention realizes the repeated utilization and rapid installation of main equipment of the gas gathering station, and greatly reduces the construction quantity and the construction cost. Meanwhile, in the production process, the switching of the vortex tube transduction process flow under different pressures can be realized through the switching of the valve group on the process pipeline, and the energy utilization efficiency is improved to the greatest extent.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present invention and are not limiting; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (6)
1. The skid-mounted natural gas gathering and transportation treatment device comprises a skid-mounted base (14), wherein a gas-liquid separator (1) and a flash evaporation and torch liquid separation tank (2) are arranged on the skid-mounted base (14), the gas-liquid separator (1) is fixedly arranged on the skid-mounted base (14) through a gas-liquid separator front support (3) and a gas-liquid separator rear support (4), and the flash evaporation and torch liquid separation tank (2) is fixedly arranged on the skid-mounted base (14) through a flash evaporation and torch liquid separation tank front support (5) and a flash evaporation and torch liquid separation tank rear support (6); the flash evaporation and torch liquid separating tank (2) is positioned below the gas-liquid separator (1), and is characterized in that,
the wellhead raw material natural gas sequentially enters the vortex tube transducer (7) through a raw material gas inlet pipeline (11) and a vortex tube transducer inlet pipeline (55), then enters a vortex tube transducer hot end pipeline (51) through a vortex tube hot end outlet (8) of the vortex tube transducer (7), the vortex tube transducer hot end pipeline (51) is connected with the gas-liquid separator (1) through a gas-liquid separator inlet pipeline (18), and a hot end valve group (15) is arranged on the gas-liquid separator inlet pipeline (18); the cold end outlet (9) of the vortex tube transducer (7) is connected with the cold and hot flow mixer (12) through a cold end pipeline (52), an air heat exchanger (10) and an air heat exchanger outlet pipeline (53) of the vortex tube transducer in sequence; the cold and hot flow mixer (12) is connected with an external conveying pipeline (20) through an external conveying pipeline three-way valve group (57), and the external conveying pipeline (20) conveys the treated natural gas to the downstream;
the bottom of the gas-liquid separator (1) is connected with the flash evaporation and torch liquid separating tank (2) through a liquid discharging pipeline (25) of the gas-liquid separator and a liquid inlet pipeline (44) of the flash evaporation and torch liquid separating tank in sequence;
the bottom of the flash evaporation and torch liquid separating tank (2) is connected with a liquid discharging main pipe (37) through a flash evaporation and torch liquid separating tank liquid discharging pipeline (40), a flash evaporation and torch liquid separating tank liquid discharging valve group (41) and a flash evaporation and torch liquid separating tank liquid discharging collecting pipe (42) in sequence;
the gas phase outlet of the gas-liquid separator (1) is connected with the cold gas flow mixer (12) through a gas-liquid separator exhaust pipeline (19);
the raw material gas inlet pipeline (11) is connected with a flash evaporation and torch liquid separating tank inlet pipeline (29) through a vent header pipe (27) and a raw material gas vent valve group (28), and the flash evaporation and torch liquid separating tank inlet pipeline (29) is connected with the flash evaporation and the top of the torch liquid separating tank (2);
the upper part of the gas-liquid separator (1) is connected with a flash evaporation and torch liquid separation tank air inlet pipeline (29) through a gas-liquid separator air outlet pipeline (30), a gas-liquid separator air outlet valve group (31) and a gas-liquid separator air outlet header pipe (32) in sequence;
the gas phase outlet of the flash evaporation and torch liquid separating tank (2) is connected with a vent pipeline (23) through a flash evaporation and gas phase liquid separating tank exhaust pipeline (43) and a vent valve group (24) in sequence;
the raw material gas inlet pipeline (11) is provided with a raw material gas inlet pipeline three-way valve group (56), a gas-liquid separator inlet three-way valve group (58) is arranged at the joint of the vortex tube transducer hot end pipeline (51) and the gas-liquid separator inlet pipeline (18), and the raw material gas inlet pipeline three-way valve group (56) is connected with the gas-liquid separator inlet three-way valve group (58) sequentially through the raw material gas inlet bypass pipeline (36), the raw material gas bypass valve group (17) and the gas-liquid separator inlet bypass pipeline (35).
2. The skid-mounted natural gas gathering and transportation processing device according to claim 1, wherein a heat exchange coil (16) is wound on the cold end of the vortex tube transducer (7), and the outlet end of the heat exchange coil (16) sequentially passes through a heat exchange coil outlet pipeline (33), a self-gas separator inlet valve group (47) and a self-gas separator inlet pipeline (39) to be connected with a self-gas separator (48), and the self-gas separator (48) supplies gas for a gas gathering station through a self-gas pipeline (38); the inlet end of the heat exchange coil (16) is connected with an outer transmission pipeline three-way valve group (57) through a coil inlet pipeline (34), a self-gas-using feedback valve group (22) and a self-gas-using feedback pipeline (21) in sequence.
3. The skid-mounted natural gas gathering and transportation processing device according to claim 2, wherein the bottom of the self-gas separator (48) is connected with the liquid draining main pipe (37) through the self-gas separator liquid draining pipeline (50) and the self-gas separator liquid draining valve group (49) in sequence.
4. The skid-mounted natural gas gathering and transportation processing device according to claim 1, wherein an emergency liquid discharge pipeline (26) is arranged at the bottom of the gas-liquid separator (1), and the emergency liquid discharge pipeline (26) is connected with a liquid discharge main pipe (37) sequentially through a gas-liquid separator emergency liquid discharge valve group (46) and a gas-liquid separator emergency liquid discharge collecting pipe (45).
5. The skid-mounted natural gas gathering and transportation processing device according to claim 1, wherein an automatic liquid drain device (13) is arranged on the liquid drain pipeline (25) of the gas-liquid separator.
6. The skid-mounted natural gas gathering and transportation processing device according to claim 1, wherein a vortex tube transducer inlet valve group (54) is arranged on a vortex tube transducer inlet pipeline (55), and a pipeline between the raw gas inlet pipeline three-way valve group (56) and the vortex tube transducer inlet valve group (54) is connected with a raw gas emptying main pipe (27).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810188699.7A CN108317394B (en) | 2018-03-08 | 2018-03-08 | Skid-mounted natural gas gathering and conveying treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810188699.7A CN108317394B (en) | 2018-03-08 | 2018-03-08 | Skid-mounted natural gas gathering and conveying treatment device |
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| CN108317394B true CN108317394B (en) | 2023-09-08 |
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| CN101539362A (en) * | 2009-04-03 | 2009-09-23 | 西安交通大学 | Multi-stage inflated distribution type natural gas liquefying system considering total energy system |
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| CN103527927A (en) * | 2012-07-04 | 2014-01-22 | 中国石油天然气股份有限公司 | Skid-mounted natural gas gathering and transporting device |
| CN103968249A (en) * | 2014-02-25 | 2014-08-06 | 陕西航天德林机械制造有限公司 | Natural gas collection integrated device |
| CN104214512A (en) * | 2014-02-25 | 2014-12-17 | 陕西航天德林机械制造有限公司 | Natural-gas-collecting integrating device |
| CN208222075U (en) * | 2018-03-08 | 2018-12-11 | 中石化石油工程技术服务有限公司 | A kind of sledge dress gas gathering and transportation processing unit |
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2018
- 2018-03-08 CN CN201810188699.7A patent/CN108317394B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539362A (en) * | 2009-04-03 | 2009-09-23 | 西安交通大学 | Multi-stage inflated distribution type natural gas liquefying system considering total energy system |
| CN103527927A (en) * | 2012-07-04 | 2014-01-22 | 中国石油天然气股份有限公司 | Skid-mounted natural gas gathering and transporting device |
| CN102766496A (en) * | 2012-08-03 | 2012-11-07 | 刘恩东 | Method for recycling oil field gas |
| CN103968249A (en) * | 2014-02-25 | 2014-08-06 | 陕西航天德林机械制造有限公司 | Natural gas collection integrated device |
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| CN208222075U (en) * | 2018-03-08 | 2018-12-11 | 中石化石油工程技术服务有限公司 | A kind of sledge dress gas gathering and transportation processing unit |
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| CN108317394A (en) | 2018-07-24 |
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