CN213928324U - Coal bed gas flow speed adjusting device - Google Patents
Coal bed gas flow speed adjusting device Download PDFInfo
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- CN213928324U CN213928324U CN202022458778.0U CN202022458778U CN213928324U CN 213928324 U CN213928324 U CN 213928324U CN 202022458778 U CN202022458778 U CN 202022458778U CN 213928324 U CN213928324 U CN 213928324U
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Abstract
The utility model relates to a coal bed air flow rate adjusting device, include: the gas pipe comprises a gas pipe main pipe, a four-way device, a gas pipe thick pipe, a gas pipe middle pipe and a gas pipe thin pipe; the four-way device comprises an input end and three output ends, one end of the gas transmission pipe main pipe is connected to a wellhead diverter valve of the coal bed gas single well, and the other end of the gas transmission pipe main pipe is connected with the input end of the four-way device; one end of each of the gas pipe thick pipe, the gas pipe middle pipe and the gas pipe thin pipe is connected with one of three output ends of the four-way device, and the other end of each of the gas pipe thick pipe, the gas pipe middle pipe and the gas pipe thin pipe is connected to the coal bed gas storage tank; all set up the electromagnetic control valve who is used for adjusting coal bed gas flow in the middle part of the body, and still set up the pressure measurement table that lets in the body inside on the body. The utility model discloses judge according to the logic and select corresponding coal bed gas pipeline, improve gas transmission pressure, the circulation speed of gas in the pipeline is accelerated, finally increases the gas production volume.
Description
Technical Field
The invention relates to a coal bed gas flow rate adjusting device applied to a coal bed gas single-well gas transmission pipeline, and relates to the field of coal bed gas drainage and production and gas transmission pipelines.
Background
The production, drainage and mining of the coal bed gas single well is a long-time drainage and depressurization gas production process which can be generally divided into three stages: an early stage of water drainage and pressure reduction, a middle stage of stable production and a later stage of gas production reduction.
Currently, individual coal-bed gas wells are already in a later gas production rate reduction stage, which is mainly characterized in that: a large amount of gas has been produced and the desorbed gas in the coal matrix begins to decrease, while the drainage operation continues, the gas production begins to decrease, producing a small or trace amount of water.
Along with the construction of a new coal bed gas well, the distance between the coal bed gas well and the coal bed gas central compression station is longer and longer, and especially for the coal bed gas well in the later gas production rate reduction stage, gas cannot be rapidly conveyed to the coal bed gas central compression station by the pressure of the gas well, so that the gas well can produce gas but cannot be gathered to the coal bed gas central compression station to realize production.
SUMMERY OF THE UTILITY MODEL
The problem that exists to above-mentioned prior art, the utility model discloses a coal bed gas flow rate adjusting device has been installed coal bed gas flow rate adjusting device to above-mentioned coal bed gas single well gas transmission pipeline, carries out pressure measurement to the coal bed gas transmission pipeline of single well earlier, judges according to the logic that the selection then corresponds coal bed gas pipeline (thick pipe, well pipe, tubule), improves gas transmission pressure, and the circulation speed of gas in the pipeline is accelerated, finally increases the gas production rate.
The utility model provides a technical scheme that its technical problem adopted is: the coal bed air flow speed adjusting device comprises a main gas pipe, a four-way device, a thick gas pipe, a middle gas pipe and a thin gas pipe; the four-way device comprises an input end and three output ends, one end of the gas transmission pipe main pipe is connected to a wellhead diverter valve of the coal bed gas single well, and the other end of the gas transmission pipe main pipe is connected with the input end of the four-way device; the pipe diameters of the gas pipe thick pipe, the gas pipe middle pipe and the gas pipe thin pipe are sequentially reduced, one end of the gas pipe thick pipe, one end of the gas pipe middle pipe and one end of the gas pipe thin pipe are respectively connected with one of three output ends of the four-way device, and the other ends of the gas pipe thick pipe, the gas pipe middle pipe and the gas pipe thin pipe are connected to a coal bed gas storage tank; the middle parts of the pipe bodies of the gas pipe main pipe, the gas pipe thick pipe, the gas pipe middle pipe and the gas pipe thin pipe are all provided with electromagnetic regulating valves for regulating the coal bed gas flow, and the pipe bodies of the gas pipe main pipe, the gas pipe thick pipe, the gas pipe middle pipe and the gas pipe thin pipe are also provided with pressure measuring meters which are introduced into the pipe bodies.
Wherein, all set up the flow measurement appearance that is used for measuring the inside flow of body on the body of the female pipe of gas-supply pipe, the thick pipe of gas-supply pipe, pipe in the gas-supply pipe and gas-supply pipe tubule.
Wherein, all set up the temperature transmitter that is used for measuring the inside temperature of body on the body of the female pipe of gas-supply pipe, the thick pipe of gas-supply pipe, pipe in the gas-supply pipe and gas-supply pipe tubule.
Compared with the prior art, the utility model discloses a coal bed air current speed adjusting device includes: the gas pipe comprises a gas pipe main pipe, a four-way device, a gas pipe thick pipe, a gas pipe middle pipe and a gas pipe thin pipe; the four-way device comprises an input end and three output ends, one end of the gas transmission pipe main pipe is connected to a wellhead diverter valve of the coal bed gas single well, and the other end of the gas transmission pipe main pipe is connected with the input end of the four-way device; one end of each of the gas pipe thick pipe, the gas pipe middle pipe and the gas pipe thin pipe is connected with one of three output ends of the four-way device, and the other end of each of the gas pipe thick pipe, the gas pipe middle pipe and the gas pipe thin pipe is connected to the coal bed gas storage tank; all set up the electromagnetic control valve who is used for adjusting coal bed gas flow in the middle part of the body, and still set up the pressure measurement table that lets in the body inside on the body. The utility model discloses judge according to the logic and select corresponding coal bed gas pipeline, improve gas transmission pressure, the circulation speed of gas in the pipeline is accelerated, finally increases the gas production volume.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural diagram of a coal bed airflow rate adjusting device provided by the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the utility model provides a coal bed air flow rate adjusting device, which comprises a main pipe 9 of a gas pipe, a four-way device 5, a thick pipe 6 of the gas pipe, a middle pipe 7 of the gas pipe and a thin pipe 8 of the gas pipe; the four-way device 5 comprises an input end and three output ends, one end of a gas transmission pipe main pipe 9 is connected to a wellhead diverter valve 10 of the coal bed gas single well, and the other end of the gas transmission pipe main pipe is connected with the input end of the four-way device 5; the pipe diameters of the gas pipe thick pipe 6, the gas pipe middle pipe 7 and the gas pipe thin pipe 8 are sequentially reduced, one end of the gas pipe thick pipe 6, one end of the gas pipe middle pipe 7 and one end of the gas pipe thin pipe 8 are respectively connected with one of three output ends of the four-way device 5, and the other ends of the gas pipe thick pipe 6, the gas pipe middle pipe 7 and the gas pipe thin pipe 8 are connected to the coal bed gas storage tank 11; the middle parts of the main pipes 9, 6, 7 and 8 are all provided with electromagnetic regulating valves 3 for regulating the coal bed gas flow, and the main pipes 9, 6, 7 and 8 are also provided with pressure measuring meters 1 for introducing into the insides of the pipes.
Wherein, all set up flow measurement appearance 2 that is used for measuring the inside flow of body on the body of the female pipe of gas-supply pipe 9, the thick pipe 6 of gas-supply pipe, pipe 7 in the gas-supply pipe and the gas-supply pipe tubule 8.
Wherein, all set up the temperature transmitter 4 that is used for measuring the inside temperature of body on the body of gas-supply pipe female pipe 9, gas-supply pipe thick pipe 6, gas-supply pipe well pipe 7 and gas-supply pipe tubule 8.
Specifically, 9 one end of the gas transmission pipe main pipe is connected to a gas transmission pipeline of the coal bed gas single well, and the coal bed gas produced by the coal bed gas single well is output and stored. The other end of the gas pipe main pipe 9 is connected to the input end of the four-way device 5; the middle part of the gas pipe main pipe 9 is provided with an electromagnetic regulating valve 3, and the coal bed gas flow passing through the gas pipe main pipe 9 is regulated through the electromagnetic regulating valve 3. The utility model discloses in, do not inject the output quantity of UNICOM's device of UNICOM's female pipe of UNICOM's gas-supply pipe and gas-supply pipe at the back promptly the utility model discloses in other embodiments, can adopt the five-way pipe of an input, four outputs, or other of more outputs are led on the valve. The utility model discloses cross device 5 is the cross valve, and female pipe 9 of gas-supply pipe is connected to the input of cross valve, and the cross valve possesses three parallel output, is connected to the one end of 7 and gas-supply pipe tubule 8 in the gas-supply pipe tubule 6, the gas-supply pipe respectively. The pipe diameters of the gas pipe thick pipe 6, the gas pipe middle pipe 7 and the gas pipe thin pipe 8 are arranged in sequence from large to small, and the pipe diameter of the gas pipe thick pipe 6 with the largest pipe diameter is smaller than or equal to the pipe diameter of the gas pipe main pipe 9. The other ends of the gas pipe thick pipe 6, the gas pipe middle pipe 7 and the gas pipe thin pipe 8 are connected to a coal bed gas storage tank 11. Meanwhile, the electromagnetic regulating valve 3 which is the same as the main pipe 9 of the gas pipe is also arranged in the middle of the gas pipe thick pipe 6, the gas pipe middle pipe 7 and the gas pipe thin pipe 8 and is used for regulating the gas flow of the coal layer on each pipeline. The utility model discloses in, simultaneously at female pipe 9 of gas-supply pipe, the gas-supply pipe thick pipe 6, set up pressure measurement table 1 on pipe 7 and the gas-supply pipe tubule 8 in the gas-supply pipe, flow measurement appearance 2 and temperature transmitter 4, the coal bed gas that comes out from the well head flow divider 10 of coal bed gas single well, in female pipe 9 of coal bed gas-supply pipe through pressure measurement table 1, flow measurement appearance 2, temperature transmitter 4, solenoid valve 3, the coal bed gas-supply pipe (thick pipe, well pipe, the tubule) of different pipe diameter specifications is gone into in 5 punishment of cross means, this thick pipe, well pipe, tubule department has all installed pressure measurement table 1, flow measurement appearance 2, solenoid valve 3, converge into coal bed gas holder 11 at last.
In the transmission process, the opening and closing degrees of the electromagnetic regulating valves 3 at the main pipe, the thick pipe, the middle pipe and the thin pipe are determined according to real-time collected values at the pressure measuring meter 1, the flow measuring instrument 2 and the temperature transmitter 4 in the main pipe 9 of the coal bed gas transmission pipe; the coal bed gas transmission pipes (thick pipes, middle pipes and thin pipes) with different pipe diameters have different pressure regulating capacities and different gas flow rates. And (3) determining to open the electromagnetic regulating valve 3 arranged on the coalbed methane gas transmission pipe (thick pipe, middle pipe and thin pipe) to be executed according to the comparison of the pressure signal parameter fed back by the pressure measuring meter 1 and the parameter preset by the logic, thereby regulating the flow rate of the coalbed methane and conveying the coalbed methane within the recommended flow rate range.
Compared with the prior art, the utility model discloses a coal bed air current speed adjusting device includes: the gas pipe comprises a gas pipe main pipe, a four-way device, a gas pipe thick pipe, a gas pipe middle pipe and a gas pipe thin pipe; the four-way device comprises an input end and three output ends, one end of the gas transmission pipe main pipe is connected to a wellhead diverter valve of the coal bed gas single well, and the other end of the gas transmission pipe main pipe is connected with the input end of the four-way device; one end of each of the gas pipe thick pipe, the gas pipe middle pipe and the gas pipe thin pipe is connected with one of three output ends of the four-way device, and the other end of each of the gas pipe thick pipe, the gas pipe middle pipe and the gas pipe thin pipe is connected to the coal bed gas storage tank; all set up the electromagnetic control valve who is used for adjusting coal bed gas flow in the middle part of the body, and still set up the pressure measurement table that lets in the body inside on the body. The utility model discloses judge according to the logic and select corresponding coal bed gas pipeline, improve gas transmission pressure, the circulation speed of gas in the pipeline is accelerated, finally increases the gas production volume.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (3)
1. A coal bed gas flow rate adjusting device, comprising: the gas pipe comprises a gas pipe main pipe, a four-way device, a gas pipe thick pipe, a gas pipe middle pipe and a gas pipe thin pipe; the four-way device comprises an input end and three output ends, one end of the gas transmission pipe main pipe is connected to a wellhead diverter valve of the coal bed gas single well, and the other end of the gas transmission pipe main pipe is connected with the input end of the four-way device; the pipe diameters of the gas pipe thick pipe, the gas pipe middle pipe and the gas pipe thin pipe are sequentially reduced, one end of the gas pipe thick pipe, one end of the gas pipe middle pipe and one end of the gas pipe thin pipe are respectively connected with one of the three output ends of the four-way device, and the other ends of the gas pipe thick pipe, the gas pipe middle pipe and the gas pipe thin pipe are connected to a coal bed gas storage tank; the body middle part of the female pipe of gas-supply pipe, the thick pipe of gas-supply pipe, pipe and gas-supply pipe tubule all sets up the electromagnetic control valve who is used for adjusting coal bed gas flow, and still sets up the pressure measurement table that lets in the inside of body on the body of the female pipe of gas-supply pipe, the thick pipe of gas-supply pipe, pipe and gas-supply pipe tubule.
2. The coal bed gas flow rate adjusting device according to claim 1, wherein flow measuring instruments for measuring the internal flow of the pipe body are arranged on the pipe bodies of the gas pipe main pipe, the gas pipe thick pipe, the gas pipe middle pipe and the gas pipe thin pipe.
3. The coal bed gas flow rate adjusting device according to claim 1, wherein temperature transmitters for measuring the internal temperature of the pipe body are arranged on the pipe bodies of the gas pipe main pipe, the gas pipe thick pipe, the gas pipe middle pipe and the gas pipe thin pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022458778.0U CN213928324U (en) | 2020-10-30 | 2020-10-30 | Coal bed gas flow speed adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022458778.0U CN213928324U (en) | 2020-10-30 | 2020-10-30 | Coal bed gas flow speed adjusting device |
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| Publication Number | Publication Date |
|---|---|
| CN213928324U true CN213928324U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022458778.0U Active CN213928324U (en) | 2020-10-30 | 2020-10-30 | Coal bed gas flow speed adjusting device |
Country Status (1)
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|---|---|
| CN (1) | CN213928324U (en) |
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2020
- 2020-10-30 CN CN202022458778.0U patent/CN213928324U/en active Active
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