CN211851788U - Ground coal bed gas well discharging and mining device - Google Patents
Ground coal bed gas well discharging and mining device Download PDFInfo
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- CN211851788U CN211851788U CN202020491943.XU CN202020491943U CN211851788U CN 211851788 U CN211851788 U CN 211851788U CN 202020491943 U CN202020491943 U CN 202020491943U CN 211851788 U CN211851788 U CN 211851788U
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Abstract
The utility model discloses a device is adopted to ground coal bed gas well row relates to the coal bed gas row and adopts technical field, specifically is a device is adopted to ground coal bed gas well row, the one end fixedly connected with purifying box of coal bed gas pipeline, the first connecting pipe of exhaust end fixedly connected with of purifying box, the one end fixedly connected with water gas separator of first connecting pipe, the lower part fixedly connected with drainage pipe of water gas separator surface, the bottom fixedly connected with drain box of drain pipe, it has the gas collection device to peg graft on the upper portion of drain box the one end fixedly connected with drying cabinet of second connecting pipe. This device is adopted to ground coal seam gas well row through the setting of purifying box and filter, has reached the purpose that prevents the inside jam of pipeline, sets up through the cooperation of drainage box and gas collection device, reaches the purpose that prevents the polluted atmosphere of coal seam gas and prevent resource-wasting, through the setting of drying cabinet, makes this device is adopted to ground coal seam gas well row possess dry effect.
Description
Technical Field
The utility model relates to a coal bed gas row adopts technical field, specifically is a device is adopted to ground coal bed gas well row.
Background
The coal bed gas well mining is a long-term and delicate work, and particularly the property of the medium and high-rank coal bed determines that the work needs to be more delicate. In the process of drainage and production of the coal bed gas well, the bottom hole pressure, the working fluid level height and the casing pressure determine the propagation speed of the pressure in the coal bed, the water production capacity and the gas production capacity. Different bottom hole pressure drop speeds and gas production rate change speeds can affect the change of the permeability of the coal bed, and the final result is reflected in the influence on the gas production effect of a single well. How to control the bottom hole pressure drop speed of the coal bed gas well in different drainage and production stages is the most important problem of the drainage and production of the coal bed gas well. The content of the chapter is mainly discussed for the discharge and the mining of the coal bed gas well of the coal bed with medium and high coal rank, and the discharge and the mining of the wells near the coal mine are not contained; the drainage and mining of the wells near the coal mine are relatively simpler, and only the pressure needs to be uniformly reduced to a certain degree and stabilized, and the rest are well-said-the pressure-stabilizing point is well controlled. The process of extracting and discharging the coal bed gas is a dynamic change process with continuously expanded pressure relief area, continuously desorbed gas and continuously released stratum energy, summarizes the change rule of the extraction dynamic parameters (mainly comprising casing pressure, daily water yield, daily gas yield, bottom hole pressure and the like), and analyzes the extraction stage of the coal bed gas well according to the basic theory of desorption-diffusion-seepage of the coal bed gas and the production current situation of the coal bed gas of medium and high coal-rank. The permeability of the medium and high coal rank coal seam in China is generally small, and compared with the conventional sandstone stratum, the medium and high coal rank coal seam has the characteristics of low rock mechanical strength and large compression coefficient. Therefore, the propagation speed of the pressure drop funnel established at the bottom of the coal bed gas well to the inside of the coal bed is very low, in order to fully reduce the pressure in the coal bed and expand the desorption production period effect, a proper drainage and production system is required in the drainage and production process of the coal bed gas well, and the drainage and production stages of the coal bed gas are divided on the basis
The existing ground coal bed gas well drainage and production device has the defects that the pipeline is easily blocked due to the mixing of some coal powder in the coal bed gas, the water-gas separator cannot completely separate the coal bed gas from the water, and the coal bed gas is easily leaked from a water outlet to pollute the atmosphere and waste resources.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a device is adopted to ground coal seam gas well row has solved the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a device is adopted to ground coal bed gas well row, includes the coal bed gas pipeline, the one end fixedly connected with purifying box of coal bed gas pipeline, the exhaust end fixedly connected with first connecting pipe of purifying box, the one end fixedly connected with moisture separator of first connecting pipe, the lower part fixedly connected with drainage pipe of moisture separator surface, the bottom fixedly connected with drain box of drain pipe, peg graft on the upper portion of drain box has the gas collection device, moisture separator's gas vent fixedly connected with second connecting pipe, the one end fixedly connected with drying cabinet of second connecting pipe, peg graft on one side of drying cabinet has exhaust duct.
Optionally, the mounting groove has been seted up to the upper surface of purifying box, the inside grafting of mounting groove has the filter, the air channel has been seted up at the middle part of filter, the inside of filter is provided with the adsorbent, the quantity of filter is three, the upper end fixedly connected with pull ring of filter.
Optionally, the bottom of the water-gas separator is fixedly connected with a fixed seat, the gas collecting device is composed of a gas collecting pipe, a gas collecting bottle and a first support frame, one end of the gas collecting pipe is inserted into the drainage box, the end of the gas collecting pipe is provided with water absorbing cotton, the other end of the gas collecting pipe is fixedly connected with the gas inlet of the gas collecting bottle, and the lower portion of the gas collecting bottle is fixedly connected with the inner wall of the first support frame.
Optionally, the gas collecting bottle is inverted, the gas inlet faces downwards, the gas outlet is formed in one side of the gas inlet, the detection pipe is inserted into the gas outlet, the gas alarm is arranged on the outer side of the detection pipe, and the second support frame is arranged inside the first support frame.
Optionally, the inside of drying cabinet is provided with the drier, the upper portion fixedly connected with feeder hopper of drying cabinet, the lower part fixedly connected with of drying cabinet arranges the hopper.
Optionally, the water outlet of the drainage pipeline is arranged inside the drainage box, and the outer surface of the drainage pipeline is provided with a drainage valve.
(III) advantageous effects
The utility model provides a device is adopted to ground coal seam gas well row possesses following beneficial effect:
1. this device is adopted to ground coal seam gas well row, setting through purifying box and filter, can make this device is adopted to ground coal seam gas well row through purifying box and inside filter when using possess the effect of the buggy that contains in the detached coal bed gas, the mesh that prevents the inside jam of pipeline has been reached, cooperation setting through drainage box and gas collection device, the in-process that uses can reach the coal bed gas that prevents the aquatic mixture through drainage box and leak, can collect the coal bed gas through the gas collection device, reach the purpose that prevents the polluted atmosphere of coal bed gas and prevent the extravagant resource.
2. This device is adopted to ground coal seam gas well row through the setting of drying cabinet, makes this device is adopted to ground coal seam gas well row have possessed dry effect, sets up through the cooperation of feeder hopper and row's hopper, can in time change inside drier at the in-process that uses.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a schematic view of the internal structure of the drainage box of the present invention;
FIG. 3 is a schematic cross-sectional view of the filter plate of the present invention;
FIG. 4 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;
fig. 5 is a schematic structural diagram of the gas collecting bottle of the present invention.
In the figure: 1. a coal bed gas pipeline; 2. a purification box; 3. a first connecting pipe; 4. a water-gas separator; 5. a water discharge pipeline; 6. a drain tank; 7. a second connecting pipe; 8. a drying oven; 9. an exhaust duct; 10. a filter plate; 11. a pull ring; 12. a fixed seat; 13. a gas collecting pipe; 14. a gas collection bottle; 15. a first support frame; 16. A detection tube; 17. a gas alarm; 18. a desiccant; 19. a feed hopper; 20. a discharge hopper.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 5, the present invention provides a technical solution: a device for discharging and mining a ground coal bed gas well comprises a coal bed gas pipeline 1, one end of the coal bed gas pipeline 1 is fixedly connected with a purifying box 2, the upper surface of the purifying box 2 is provided with a mounting groove, a filter plate 10 is inserted in the mounting groove, the middle part of the filter plate 10 is provided with an air channel, an adsorbent is arranged in the filter plate 10, the number of the filter plates 10 is three, the upper end of the filter plate 10 is fixedly connected with a pull ring 11, the exhaust end of the purifying box 2 is fixedly connected with a first connecting pipe 3, one end of the first connecting pipe 3 is fixedly connected with a water-gas separator 4, the bottom of the water-gas separator 4 is fixedly connected with a fixed seat 12, the gas collecting device comprises a gas collecting pipe 13, a gas collecting bottle 14 and a first support frame 15, one end of the gas collecting pipe 13 is inserted in a drainage box 6, the end of the gas collecting pipe 13 is, the lower part of a gas collecting bottle 14 is fixedly connected with the inner wall of a first support frame 15, the bottom of a water-gas separator 4 is fixedly connected with a fixed seat 12, the gas collecting device consists of a gas collecting pipe 13, the gas collecting bottle 14 and the first support frame 15, one end of the gas collecting pipe 13 is inserted into the interior of a water discharge box 6, the end of the gas collecting pipe 13 is provided with absorbent cotton 14, the other end of the gas collecting pipe 13 is fixedly connected with the air inlet of the gas collecting bottle 14, the lower part of the gas collecting bottle 14 is fixedly connected with the inner wall of the first support frame 15, the lower part of the outer surface of the water-gas separator 4 is fixedly connected with a water discharge pipe 5, the bottom of the water discharge pipe 5 is fixedly connected with a water discharge box 6, the water outlet of the water discharge pipe 5 is arranged in the interior of the water discharge box 6, the outer, one end of the second connecting pipe 7 is fixedly connected with a drying box 8, a drying agent 18 is arranged in the drying box 8, the upper part of the drying box 8 is fixedly connected with a feeding hopper 19, the lower part of the drying box 8 is fixedly connected with a discharging hopper 20, and one side of the drying box 8 is inserted with an exhaust pipeline 9.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When the coal bed gas purifier is used, coal bed gas firstly enters the purifying box 2 through the coal bed gas pipeline 1, pulverized coal which is not completely removed in the coal bed gas is adsorbed by an adsorbent of the internal filter plate 10, the filter plate 10 can be replaced in time by pulling the pull ring 11, the purified coal bed gas enters the water-gas separator 4 through the first connecting pipe 3, the separated water flows into the drainage box 6 from the drainage pipe 5, the incompletely separated coal bed gas in the drainage box 6 is absorbed through the gas collecting bottle 14 and the gas collecting pipe 13, and finally the water is discharged from a water outlet of the drainage box 6; the separated coal bed gas is introduced into the drying box 8 through the second connecting pipe 7, is dried by the drying agent 18 and is finally discharged into the exhaust pipeline.
The utility model discloses a theory of operation and beneficial effect: this device is adopted to ground coal seam gas well row, setting through purifying box 2 and filter 10, can make this device is adopted to ground coal seam gas well row through purifying box 2 and inside filter 10 when using have possessed the effect of detaching the buggy that contains in the coal bed gas, the mesh that prevents the inside jam of pipeline has been reached, cooperation setting through drainage box 6 and gas collecting device, in-process using can reach the purpose that prevents the coal bed gas leakage of aquatic mixture through drainage box 6, can collect the coal bed gas through the gas collecting device, reach the purpose that prevents the polluted atmosphere of coal bed gas and prevent extravagant resource, setting through drying cabinet 8, make this device is adopted to ground coal seam gas well row possess dry effect, cooperation setting through feeder hopper 19 and row hopper 20, inside drier 18 can in time be changed in the in-process of using.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a device is adopted to ground coal seam gas well row, includes coal seam gas pipeline (1), its characterized in that: the coal bed gas pipeline comprises a coal bed gas pipeline (1), wherein one end of the coal bed gas pipeline (1) is fixedly connected with a purification box (2), an exhaust end of the purification box (2) is fixedly connected with a first connecting pipe (3), one end of the first connecting pipe (3) is fixedly connected with a water-gas separator (4), a lower portion of the outer surface of the water-gas separator (4) is fixedly connected with a drainage pipe (5), a bottom fixedly connected with a drainage box (6) of the drainage pipe (5), an air collecting device is spliced on the upper portion of the drainage box (6), an air exhaust port of the water-gas separator (4) is fixedly connected with a second connecting pipe (7), one end of the second connecting pipe (7) is fixedly connected with a drying box (8), and an exhaust pipeline (.
2. A surface coal seam gas well drainage device as claimed in claim 1 wherein: the mounting groove has been seted up to the upper surface of purifying box (2), the inside grafting of mounting groove has filter (10), the air channel has been seted up at the middle part of filter (10), the inside of filter (10) is provided with the adsorbent, the quantity of filter (10) is three, the upper end fixedly connected with pull ring (11) of filter (10).
3. A surface coal seam gas well drainage device as claimed in claim 1 wherein: the bottom of the water-gas separator (4) is fixedly connected with a fixing seat (12), the gas collecting device is composed of a gas collecting pipe (13), a gas collecting bottle (14) and a first support frame (15), one end of the gas collecting pipe (13) is inserted into the drainage box (6), water absorbing cotton is arranged at the end of the gas collecting pipe (13), the other end of the gas collecting pipe (13) is fixedly connected with an air inlet of the gas collecting bottle (14), and the lower portion of the gas collecting bottle (14) is fixedly connected with the inner wall of the first support frame (15).
4. A surface coal seam gas well drainage and recovery device as claimed in claim 3, wherein: the gas collecting bottle (14) is inverted, the gas inlet faces downwards, the gas outlet is formed in one side of the gas inlet, the detection pipe (16) is inserted into the gas outlet in an inserted mode, the gas alarm (17) is arranged on the outer side of the detection pipe (16), and the second support frame is arranged inside the first support frame (15).
5. A surface coal seam gas well drainage device as claimed in claim 1 wherein: the drying box is characterized in that a drying agent (18) is arranged in the drying box (8), a feeding hopper (19) is fixedly connected to the upper portion of the drying box (8), and a discharging hopper (20) is fixedly connected to the lower portion of the drying box (8).
6. A surface coal seam gas well drainage device as claimed in claim 1 wherein: the water outlet of the drainage pipeline (5) is arranged in the drainage box (6), and the outer surface of the drainage pipeline (5) is provided with a drainage valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020491943.XU CN211851788U (en) | 2020-04-07 | 2020-04-07 | Ground coal bed gas well discharging and mining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020491943.XU CN211851788U (en) | 2020-04-07 | 2020-04-07 | Ground coal bed gas well discharging and mining device |
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| Publication Number | Publication Date |
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| CN211851788U true CN211851788U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020491943.XU Active CN211851788U (en) | 2020-04-07 | 2020-04-07 | Ground coal bed gas well discharging and mining device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961692A (en) * | 2022-06-23 | 2022-08-30 | 山西蓝焰煤层气工程研究有限责任公司 | Automatic drainage gas production equipment for medium-high-rank coal-bed gas well |
| CN117072865A (en) * | 2023-10-17 | 2023-11-17 | 太原科技大学 | Gas storage device for coal bed gas exploitation |
-
2020
- 2020-04-07 CN CN202020491943.XU patent/CN211851788U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961692A (en) * | 2022-06-23 | 2022-08-30 | 山西蓝焰煤层气工程研究有限责任公司 | Automatic drainage gas production equipment for medium-high-rank coal-bed gas well |
| CN117072865A (en) * | 2023-10-17 | 2023-11-17 | 太原科技大学 | Gas storage device for coal bed gas exploitation |
| CN117072865B (en) * | 2023-10-17 | 2023-12-19 | 太原科技大学 | Gas storage device for coal bed gas exploitation |
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