CN213743369U - Module structure of gas field booster station separator - Google Patents
Module structure of gas field booster station separator Download PDFInfo
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- CN213743369U CN213743369U CN202021911100.7U CN202021911100U CN213743369U CN 213743369 U CN213743369 U CN 213743369U CN 202021911100 U CN202021911100 U CN 202021911100U CN 213743369 U CN213743369 U CN 213743369U
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Abstract
The utility model belongs to the technical field of the natural gas, specifically provide a modular structure of gas field booster station separator, including separator, admission valve, air outlet valve, blowdown unit and liquid level detection device, the entry of the exit linkage separator of admission valve, the gas outlet connection air outlet valve of separator, the liquid outlet connection blowdown unit of separator, liquid level detection device is connected to the separator, has solved the problem of the conventional construction mode cycle length of elm south district gas field gas development among the prior art, and it is short to have a construction cycle, compact structure, characteristics that the function is perfect, has the separation simultaneously, emptys, the blowdown function.
Description
Technical Field
The utility model belongs to the technical field of the natural gas, concretely relates to modular structure of gas field booster station separator.
Background
The Changqing gas field is used as a hub of a Chinese natural gas pipe network, bears huge social responsibility and political responsibility, and has urgent need of implementing pressurized mining in the south area of the elm forest gas field for ensuring the important functions of production, storage, regulation and emergency of natural gas in the center of the hub. Meanwhile, the south area of the elm forest gas field is one of important gas fields for guaranteeing the continuous stable yield of 5000 million tons in the Changqing oil field, is a main gas source of the Shaanjing system, and is a powerful support for stable gas supply.
The south region of the elm forest gas field is built by trial production from 2001 and development and construction for nearly 20 years to form 1 elm forest gas treatment plant, which is provided with 2 sets of dehydration and dealkylation devices, and the daily treatment capacity is 600 multiplied by 104m3(20×108m3A); and (6) building a well 170. The mature Yulin gas field south area ground gathering and transportation process is formed. The conventional construction mode is long in period, so that the device is required to be arrangedThe optimization and innovation can be carried out to meet the next development requirement of the gas field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of modular structure purpose of gas field booster station separator is overcome the problem of conventional construction mode cycle length of elm forest south area gas field gas development among the prior art.
Therefore, the utility model provides a modular structure of gas field booster station separator, including separator, admission valve, air outlet valve, blowdown unit and liquid level detection device, the entry of the exit linkage separator of admission valve, the gas outlet connection air outlet valve of separator, the liquid outlet connection blowdown unit of separator, liquid level detection device are connected to the separator.
Further, still include the atmospheric valve group, atmospheric valve group one end is connected the unloading pipeline, and the atmospheric valve group other end is connected on the pipeline between admission valve and the separator.
Furthermore, the emptying valve group comprises a first control valve, a throttling stop emptying valve and a second control valve, one path of emptying pipeline is connected with a pipeline between the air inlet valve and the separator through the throttling stop emptying valve, and the other path of emptying pipeline is connected with a pipeline between the air inlet valve and the separator through the first control valve and the second control valve in sequence.
Furthermore, the emptying valve group also comprises a safety valve, and an emptying pipeline is connected with a throttling stop emptying valve through the safety valve.
Further, the separator still includes high liquid level switch and low liquid level switch, and high liquid level switch and low liquid level switch all connect the separator.
Furthermore, the blowdown unit comprises an in-situ blowdown valve, a blowdown main valve, a blowdown pipeline and an emergency blowdown pipeline, wherein one end of the blowdown main valve and the in-situ blowdown valve are respectively connected with the bottom of the separator, and the other end of the blowdown main valve is respectively connected with the blowdown pipeline and the emergency blowdown pipeline.
Furthermore, the blowdown pipeline includes first blowoff valve, second blowoff valve and third blowoff valve, and the other end of blowdown main valve connects gradually first blowoff valve, second blowoff valve and third blowoff valve.
Furthermore, the emergency sewage draining pipeline comprises a fourth sewage draining valve, a sewage draining regulating valve and a fifth sewage draining valve, and the other end of the main sewage draining valve is sequentially connected with the fourth sewage draining valve, the sewage draining regulating valve and the fifth sewage draining valve.
Furthermore, gas coming from the pressurizing station enters the separator through the gas inlet valve to be subjected to gas-liquid separation, the separated gas is input into the downstream flow in the station through the gas outlet valve, the separated liquid is discharged by the sewage discharge unit, and the liquid level detection device detects the liquid level of the separator to enable the liquid level to be between the highest liquid level and the lowest liquid level.
The utility model has the advantages that:
the utility model provides a modular structure of the separator of the gas field booster station, gas coming from the booster station enters the separator through the gas inlet valve to be subjected to gas-liquid separation, the separated gas is input into the downstream flow in the station through the gas outlet valve, the separated liquid is discharged by the sewage disposal unit, and the liquid level detection device detects the liquid level of the separator, so that the liquid level is between the highest liquid level and the lowest liquid level; satisfy the function of natural gas-liquid separation in the booster station, the device adopts standardized design, can prefabricate in advance, and after the prefabrication of mill is accomplished, transport to the booster station in, behind pipeline and the in-station line connection, can put into use, shortened construction cycle.
The utility model provides a modular structure of the separator of the gas field booster station, a vent valve group is arranged before the air inlet valve enters the separator, and the vent valve group safely vents air when the separator is in fault and overpressure, thereby protecting the separation equipment;
the utility model provides a modular structure of this kind of gas field booster station separator, the blowdown is discharged through the blowdown main valve, arranges to sewage pipes to low reaches flow through blow off pipeline and emergent sewage pipes, realizes the blowdown function.
The utility model provides a modular structure of this kind of gas field booster station separator overcomes the problem of natural gas pressure boost development conventional construction mode cycle length among the prior art, compact structure, and characteristics that the function is perfect have separation, unloading, blowdown function.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic block diagram of a gas field booster station separator.
Description of reference numerals: 1. a separator; 2. an intake valve; 3. an air outlet valve; 4. a blow-down valve bank; 5. a main blowdown valve; 6. a first waste valve; 7. a second blowoff valve; 8. a third blowoff valve; 9. a fourth blowoff valve; 10. a blowdown regulating valve; 11. a fifth blowoff valve; 12. an in-situ waste valve; 13. a liquid level detection device; 14. a high liquid level switch; 15. a low level switch; 16. a first control valve; 17. a throttle stop vent valve; 18. a safety valve; 19. a second control valve.
Detailed Description
Example 1:
as shown in figure 1, the modular structure of the separator of the gas field booster station comprises a separator 1, an air inlet valve 2, an air outlet valve 3, a sewage discharging unit and a liquid level detection device 13, wherein an outlet of the air inlet valve 2 is connected with an inlet of the separator 1, an air outlet of the separator 1 is connected with the air outlet valve 3, a liquid outlet of the separator 1 is connected with the sewage discharging unit, and the separator 1 is connected with the liquid level detection device 13.
Gas coming from the pressurizing station enters the separator 1 through the gas inlet valve 2 to be subjected to gas-liquid separation, the separated gas is input into the downstream flow in the pressurizing station through the gas outlet valve 3, the separated liquid is discharged by the sewage discharge unit, and the liquid level detection device 13 detects the liquid level of the separator 1 to enable the liquid level to be between the highest liquid level and the lowest liquid level; satisfy the function of natural gas-liquid separation in the booster station, the device adopts standardized design, can prefabricate in advance, and after the prefabrication of mill is accomplished, transport to the booster station in, behind pipeline and the in-station line connection, can put into use, shortened construction cycle.
Example 2:
further, still include atmospheric valve group 4, the pipeline of unloading is connected to 4 one end of atmospheric valve group, and the pipeline between admission valve 2 and separator 1 is connected to the 4 other ends of atmospheric valve group. And a vent valve bank 4 is arranged before the air inlet valve 2 enters the separator 1, and the vent valve bank 4 safely vents air when the separator 1 fails and has overpressure so as to protect the separation equipment.
Further, the emptying valve group 4 comprises a first control valve 16, a throttling stop emptying valve 17 and a second control valve 19, one path of emptying pipeline is connected with a pipeline between the air inlet valve 2 and the separator 1 through the throttling stop emptying valve 17, and the other path of emptying pipeline is connected with a pipeline between the air inlet valve 2 and the separator 1 through the first control valve 16 and the second control valve 19 in sequence. The throttling cut-off emptying valve 17 has a multi-stage throttling effect, is obvious in throttling effect, reliable in sealing, convenient to operate and maintain, resistant to airflow scouring and abrasion, capable of achieving zero leakage under the condition of high-pressure gas medium due to double sealing, and long in service life; the first control valve 16, the throttling cut-off emptying valve 17 and the second control valve 19 are matched to play a better emptying and throttling role.
Further, the emptying valve group also comprises a safety valve 18, and an emptying pipeline is connected with a throttling stop emptying valve 17 through the safety valve 18. When the pressure of the separator equipment exceeds a specified value, the safety valve is opened, and a part of gas/fluid in the equipment or the pipeline is discharged to the outside of the atmosphere/pipeline, so that the pressure of the equipment does not exceed an allowable value, and the equipment is prevented from accidents caused by overhigh pressure.
Further, the separator 1 further comprises a high liquid level switch 14 and a low liquid level switch 15, and both the high liquid level switch 14 and the low liquid level switch 15 are connected with the separator 1. High level switch 14 and low level switch 15 are some liquid level detection, are convenient for detect the liquid level of liquid in separator 1, and degree of automation is high.
Further, the sewage discharging unit comprises an in-situ sewage discharging valve 12, a main sewage discharging valve 5, a sewage discharging pipeline and an emergency sewage discharging pipeline, one end of the main sewage discharging valve 5 and the in-situ sewage discharging valve 12 are respectively connected with the bottom of the separator 1, and the other end of the main sewage discharging valve 5 is respectively connected with the sewage discharging pipeline and the emergency sewage discharging pipeline. When the liquid level detection device detects that the liquid level in the separator 1 reaches a set liquid level (the liquid level value is lower than the position of the high liquid level switch), the main blowdown valve 5 is opened to discharge the liquid through the blowdown pipeline, and when the liquid level reaches the high liquid level switch and the liquid amount is larger, the emergency blowdown pipeline is opened to perform emergency liquid drainage; ensure the normal discharge of the liquid in the separator 1 and well realize the sewage discharge function.
Further, the blowdown pipeline includes first blowdown valve 6, second blowdown valve 7 and third blowdown valve 8, and first blowdown valve 6, second blowdown valve 7 and third blowdown valve 8 are connected in proper order to the other end of blowdown main valve 5. When the liquid level detection device detects that the liquid level reaches the set liquid level (the liquid level value is lower than the position of the high liquid level switch) in the separator 1, the main blowdown valve 5, the first blowdown valve 6, the second blowdown valve 7 and the third blowdown valve 8 are opened to normally drain liquid, and when the liquid level is drained to the position of the low liquid level switch 15, the first blowdown valve 6 is closed to complete normal liquid drainage in sequence, so that the operation process is simple.
Further, the emergency sewage draining pipeline comprises a fourth sewage draining valve 9, a sewage draining regulating valve 10 and a fifth sewage draining valve 11, and the other end of the main sewage draining valve 5 is sequentially connected with the fourth sewage draining valve 9, the sewage draining regulating valve 10 and the fifth sewage draining valve 11. When the liquid quantity such as slug flow and the like is large and the liquid level reaches the high liquid level switch 14, the blowdown regulating valve 10 is opened, the emergency drainage path is started, and the blowdown regulating valve 10 adjusts the opening degree according to the liquid level height; the automation degree is high.
Further, the middle liquid level is set to be the liquid level of the opening of the pollution discharge regulating valve 10, the opening degree of the pollution discharge regulating valve 10 is 0, and the opening degree of the regulating valve from the liquid level to the position of the high liquid level switch 14 is 80%; when the liquid level is discharged to the middle liquid level, the pollution discharge regulating valve 10 is closed to complete primary emergency liquid discharge; when the liquid level reaches the low liquid level switch 15, the main blowdown valve 5, the second blowdown valve 7, the fifth blowdown valve 11 and the blowdown adjusting valve 10 are all closed to prevent that when the liquid level is out of order, natural gas leaks to the downstream flow, and the degree of safety is high.
Further, the air inlet valve 2, the air outlet valve 3, the main blowdown valve 5, the first blowdown valve 6, the second blowdown valve 7, the third blowdown valve 8, the fourth blowdown valve 9, the blowdown adjusting valve 10, the fifth blowdown valve 11, the local blowdown valve 12 and the first control valve 16 are all electrically operated valves, and the automation degree is high.
Furthermore, the modular structure of the gas field booster station separator is used for the application of conventional construction of gas field gas development in the south of elm, has the functions of separation, emptying and pollution discharge, and meets the function of gas-liquid separation of natural gas in the booster station.
Example 3:
the gas coming from the pressurizing station enters the separator 1 through the gas inlet valve 2 for gas-liquid separation, the separated gas is input into the downstream flow in the station through the gas outlet valve 3, the separated liquid is discharged by the sewage discharging unit, and the liquid level detection device 13 detects the liquid level of the separator 1 to enable the liquid level to be between the highest liquid level and the lowest liquid level. When the liquid level detection device detects that the liquid level in the separator 1 reaches a set liquid level (the liquid level value is lower than the position of the high liquid level switch), the main blowdown valve 5, the first blowdown valve 6, the second blowdown valve 7 and the third blowdown valve 8 are opened to normally drain liquid, and when the liquid level is drained to the position of the low liquid level switch 15, the first blowdown valve 6 is closed to complete sequential normal liquid drainage so that the liquid is drained through a blowdown pipeline; when the liquid quantity such as slug flow and the like is large, and the liquid level reaches a high liquid level switch, the blowdown regulating valve 10 is opened, the emergency liquid discharge path is started, the blowdown regulating valve 10 adjusts the opening degree according to the liquid level height, the middle liquid level is set to be the liquid level at which the blowdown regulating valve 10 is opened, the opening degree of the blowdown regulating valve 10 is 0, the opening degree of the regulating valve at the position from the liquid level to the high liquid level switch 14 is 80%, and when the liquid level is discharged to the middle liquid level, the blowdown regulating valve 10 is closed, and primary emergency liquid discharge is completed; when the liquid level reaches the low liquid level switch 15, the main blowdown valve 5, the second blowdown valve 7, the fifth blowdown valve 11 and the blowdown regulating valve 10 are all closed to when preventing the liquid level trouble, natural gas leaks to the low reaches flow, and the safety degree is high, fine realization blowdown function.
In the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "front", "inside", "right", etc., it is based on the orientation or positional relationship shown in the drawings, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the positional relationship in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a modular structure of gas field booster station separator which characterized in that: the separator comprises a separator (1), an air inlet valve (2), an air outlet valve (3), a sewage discharging unit and a liquid level detection device (13), wherein an outlet of the air inlet valve (2) is connected with an inlet of the separator (1), an air outlet of the separator (1) is connected with the air outlet valve (3), a liquid outlet of the separator (1) is connected with the sewage discharging unit, and the separator (1) is connected with the liquid level detection device (13).
2. The modular structure of a gas field booster station separator of claim 1, wherein: still include atmospheric valve group (4), atmospheric valve group (4) one end is connected the unloading pipeline, and the pipeline between admission valve (2) and separator (1) is connected to the atmospheric valve group (4) other end.
3. The modular structure of a gas field booster station separator of claim 2, wherein: the emptying valve group (4) comprises a first control valve (16), a throttling stop emptying valve (17) and a second control valve (19), one path of an emptying pipeline is connected with a pipeline between the air inlet valve (2) and the separator (1) through the throttling stop emptying valve (17), and the other path of the emptying pipeline is connected with a pipeline between the air inlet valve (2) and the separator (1) through the first control valve (16) and the second control valve (19) in sequence.
4. The modular structure of a gas field booster station separator of claim 3, wherein: the emptying valve group also comprises a safety valve (18), and an emptying pipeline is connected with a throttling stop emptying valve (17) through the safety valve (18).
5. The modular structure of a gas field booster station separator of claim 1, wherein: the separator (1) also comprises a high liquid level switch (14) and a low liquid level switch (15), and the high liquid level switch (14) and the low liquid level switch (15) are both connected with the separator (1).
6. The modular structure of a gas field booster station separator of claim 1, wherein: the blowdown unit comprises an in-situ blowdown valve (12), a blowdown main valve (5), a blowdown pipeline and an emergency blowdown pipeline, one end of the blowdown main valve (5) and the in-situ blowdown valve (12) are respectively connected with the bottom of the separator (1), and the other end of the blowdown main valve (5) is respectively connected with the blowdown pipeline and the emergency blowdown pipeline.
7. The modular structure of a gas field booster station separator of claim 6, wherein: the blowdown pipeline includes first blowdown valve (6), second blowdown valve (7) and third blowdown valve (8), and first blowdown valve (6), second blowdown valve (7) and third blowdown valve (8) are connected gradually to the other end of blowdown main valve (5).
8. The modular structure of a gas field booster station separator of claim 6, wherein: the emergency blowdown pipeline comprises a fourth blowdown valve (9), a blowdown regulating valve (10) and a fifth blowdown valve (11), and the other end of the blowdown main valve (5) is sequentially connected with the fourth blowdown valve (9), the blowdown regulating valve (10) and the fifth blowdown valve (11).
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| CN202021911100.7U CN213743369U (en) | 2020-09-04 | 2020-09-04 | Module structure of gas field booster station separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112096364A (en) * | 2020-09-04 | 2020-12-18 | 西安长庆科技工程有限责任公司 | Module structure of gas field booster station separator and separation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096364A (en) * | 2020-09-04 | 2020-12-18 | 西安长庆科技工程有限责任公司 | Module structure of gas field booster station separator and separation method |
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