CN216277828U - A drainage pressure reduction means for coal bed gas exploration well - Google Patents
A drainage pressure reduction means for coal bed gas exploration well Download PDFInfo
- Publication number
- CN216277828U CN216277828U CN202123143133.9U CN202123143133U CN216277828U CN 216277828 U CN216277828 U CN 216277828U CN 202123143133 U CN202123143133 U CN 202123143133U CN 216277828 U CN216277828 U CN 216277828U
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- Prior art keywords
- sound insulation
- rotating shaft
- sleeve
- coal bed
- drainage
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- 239000003245 coal Substances 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000009413 insulation Methods 0.000 claims description 37
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 34
- 229920000742 Cotton Polymers 0.000 claims description 16
- 238000005086 pumping Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005065 mining Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 235000020188 drinking water Nutrition 0.000 description 8
- 239000003651 drinking water Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 5
- 239000006260 foam Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Images
Abstract
The utility model relates to the field of coal bed gas mining equipment, in particular to a water drainage and pressure reduction device for a coal bed gas exploration well. The drainage and depressurization device for the coal bed gas exploration well can realize more precise and efficient drainage, effectively improve the operation stability of the device and bring better use prospect.
Description
Technical Field
The utility model relates to the field of coal bed gas exploitation equipment, in particular to a drainage and pressure reduction device for a coal bed gas exploration well.
Background
Coal bed gas and natural gas are always important energy sources, compared with coal and oil, the coal bed gas and the natural gas do not pollute the environment and are determined as clean energy sources, but one of the biggest problems which prevent the natural gas from being fully exploited is gas well water output, which often causes water flooding of the gas well, and natural gas in a stratum is blocked by water in a shaft and flows into the well, so that the natural gas cannot be exploited to the ground, and the drainage methods used at present are roughly summarized into three categories: the first foam drainage is that the shaft is filled with foam by putting chemical substances which can react with water or generate foam in water into the shaft bottom, on one hand, the shaft bottom pressure can be increased, the drainage purpose can be achieved, meanwhile, the foam can carry water, and the second plunger is used for drainage.
Chinese patent discloses a coal bed gas well ultrasonic atomization drainage and liquid reduction device (No. CN206737893U), and the patent technology can make the whole cost low, power consumptive few, installation and maintenance simple and convenient, the running benefit good, but, the device is at the in-process to coal bed gas well drainage step-down, often because coal bed goes out the buggy coal slime to block up the water pipe that is used for the drainage, cause the water yield to reduce and even can not go out water, can cause the coal bed gas well to shut down the shut down and shut down production seriously, thereby comparatively inconvenient. Accordingly, one skilled in the art provides a drainage and depressurization device for a coal bed methane exploration well to solve the problems set forth in the background art.
Disclosure of Invention
The utility model aims to provide a drainage and depressurization device for a coal bed gas exploration well, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a water drainage and pressure reduction device for a coal bed gas exploration well comprises a device main body, wherein the top of the device main body is fixedly provided with an electric pump main body, the input pipe of the electric pump main body is connected with a water pumping pipe, the outside of the water pumping pipe is sleeved with a sound insulation sleeve, the liquid inlet end of the sound insulation sleeve is connected with a crushing barrel, the output pipe of the electric pump main body is connected with a drain pipe, a control box is fixedly arranged above the device main body, the input end of the electric pump main body is electrically connected with the output end of the control box, the top of the crushing cylinder is connected with a cylinder cover, one side in the crushing barrel is rotatably connected with a first rotating shaft, the other side in the crushing barrel is rotatably connected with a second rotating shaft, and the first rotating shaft and the second rotating shaft are arranged in parallel, the crushing wheels are fixedly arranged outside the first rotating shaft and the second rotating shaft, and the crushing wheels are arranged inside the crushing barrel.
As a further scheme of the utility model: one end of the first rotating shaft is fixedly provided with a first gear, the first gear is arranged outside the crushing barrel, one end of the second rotating shaft is fixedly provided with a second gear corresponding to one side position of the first gear, and the first gear and the second gear are meshed with each other and connected.
As a still further scheme of the utility model: the position department that the outside of broken section of thick bamboo corresponds first axis of rotation is fixed mounting with servo motor, and servo motor's output shaft is connected with the one end of first axis of rotation, the top of cover corresponds sound insulation sleeve's position department intercommunication has the adapter sleeve, servo motor's input and the output electric connection of control box.
As a still further scheme of the utility model: the sound insulation sleeve is characterized in that a threaded convex block is etched at a position, corresponding to the connecting sleeve, outside the sound insulation sleeve, a threaded groove is etched at a position, corresponding to the threaded convex block, inside the connecting sleeve, the threaded convex block and the threaded groove are connected in an engaged mode, and the middle of the bottom of the crushing barrel is communicated with a mesh cover.
As a still further scheme of the utility model: the utility model discloses a drinking-water pipe, including drinking-water pipe, acoustic insulation sleeve, soundproof sleeve's one side fixed mounting has the tube cap bottom corresponding soundproof sleeve, soundproof sleeve's inside is provided with soundproof cotton, soundproof cotton's inside is provided with waterproof cover, and waterproof ways establishes the outside at the drinking-water pipe, soundproof cotton and waterproof cover are the loop configuration, and soundproof cotton sets up between waterproof cover and soundproof sleeve's inner wall.
As a still further scheme of the utility model: the bottom of tube cap is provided with sealed the pad, and sealed pad be ring shape structure, four inside equidistance of tube cap are provided with threaded connection pole.
As a still further scheme of the utility model: the inside of sealed pad corresponds the position department of threaded connection pole and has all run through and seted up connect the via hole, the inside of sound insulation sleeve pipe corresponds the position department of connect the via hole and all has the sculpture threaded connection groove, and intermeshing is connected between threaded connection pole and the threaded connection groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the electric pump main part is drawn water through the drinking-water pipe, the servo motor is electrified through the external power supply, the first rotating shaft is driven to rotate through the servo motor, the second rotating shaft is driven to synchronously rotate through the cooperation of the first gear and the second gear, so that the coal slime can be crushed through the two crushing wheels, the effect during drainage can be improved, and the convenient use personnel can use the coal slime better than the traditional mode.
2. After passing through the connecting hole through the threaded connecting rod, the sealing gasket is installed at the bottom of the pipe cover, the pipe cover is connected with the sound insulation sleeve through the matching of the threaded connecting rod and the threaded connecting groove, the sound insulation cotton is placed in the inner side of the waterproof sleeve and the sound insulation sleeve, noise can be reduced in the drainage process, the practicability of the device is effectively improved, the device is convenient for a user to use, and the device is better than a traditional mode.
Drawings
FIG. 1 is a schematic structural view of a drainage and depressurization device for a coalbed methane exploration well;
FIG. 2 is a schematic structural diagram of a crushing barrel in a drainage and depressurization device for a coal bed methane exploration well;
fig. 3 is a schematic structural view of an acoustic sleeve in a drainage and depressurization device for a coal bed methane exploration well.
In the figure: 1. a device main body; 2. an electric pump body; 3. a water pumping pipe; 4. a sound-insulating sleeve; 5. a crushing cylinder; 6. a drain pipe; 7. a control box; 8. a cylinder cover; 9. a first rotating shaft; 10. a second rotating shaft; 11. a crushing wheel; 12. a first gear; 13. a second gear; 14. a servo motor; 15. connecting sleeves; 16. a threaded projection; 17. a threaded groove; 18. a mesh enclosure; 19. a tube cover; 20. sound insulation cotton; 21. a waterproof jacket; 22. a gasket; 23. a threaded connecting rod; 24. a connecting through hole; 25. and (4) connecting the grooves by screw threads.
Detailed Description
Referring to fig. 1 to 3, in the embodiment of the present invention, a water drainage and pressure reduction device for a coal bed methane exploration well comprises a device body 1, an electric pump body 2 is fixedly installed on the top of the device body 1, an input pipe of the electric pump body 2 is connected with a water pumping pipe 3, a sound insulation sleeve 4 is sleeved outside the water pumping pipe 3, a liquid inlet end of the sound insulation sleeve 4 is connected with a crushing cylinder 5, an output pipe of the electric pump body 2 is connected with a water drainage pipe 6, a control box 7 is fixedly installed above the device body 1, an input end of the electric pump body 2 is electrically connected with an output end of the control box 7, the top of the crushing cylinder 5 is connected with a cylinder cover 8, one side of the inside of the crushing cylinder 5 is rotatably connected with a first rotating shaft 9, the other side of the inside of the crushing cylinder 5 is rotatably connected with a second rotating shaft 10, the first rotating shaft 9 and the second rotating shaft 10 are arranged in parallel, crushing wheels 11 are fixedly installed on the outside of the first rotating shaft 9 and the second rotating shaft 10, the crushing wheel 11 is arranged inside the crushing drum 5.
In FIGS. 1-2: one end fixed mounting of first axis of rotation 9 has first gear 12, and first gear 12 sets up the outside at a broken section of thick bamboo 5, one side position department fixed mounting that one end of second axis of rotation 10 corresponds first gear 12 has second gear 13, and intermeshing is connected between first gear 12 and the second gear 13, power on servo motor 14 through external power source, it rotates to drive first axis of rotation 9 through servo motor 14, cooperation through first gear 12 and second gear 13, it carries out synchronous rotation to drive second axis of rotation 10, thereby can carry out the coal slime through two broken wheels 11 and break.
In FIGS. 1-2: the position department that the outside of crushing section of thick bamboo 5 corresponds first axis of rotation 9 is fixed mounting with servo motor 14, and servo motor 14's output shaft is connected with the one end of first axis of rotation 9, and the position department that the top of cover 8 corresponds sound insulation sleeve 4 communicates there is the adapter sleeve 15, servo motor 14's input and the output of control box 7 electric connection.
In FIGS. 1-2: the outside of sound insulation sleeve 4 corresponds the position department sculpture of adapter sleeve 15 and has screw thread lug 16, the inside of adapter sleeve 15 corresponds the position department sculpture of screw thread lug 16 and has screw thread groove 17, and intermeshing is connected between screw thread lug 16 and the screw thread groove 17, department's intercommunication has screen panel 18 in the middle of the bottom of broken section of thick bamboo 5, when broken section of thick bamboo 5 need be dismantled to the user of service, through the cooperation of screw thread lug 16 with screw thread groove 17, be connected the bottom of drinking-water pipe 3 with adapter sleeve 15, thereby can be swift the broken section of thick bamboo 5 of installation, otherwise, then can be swift dismantle broken section of thick bamboo 5 and overhaul.
In fig. 1 and 3: one side fixed mounting that the bottom of drinking-water pipe 3 corresponds sound insulation sleeve 4 has tube cap 19, sound insulation sleeve 4's inside is provided with soundproof cotton 20, soundproof cotton 20's inside is provided with waterproof cover 21, and waterproof cover 21 cover is established in the outside of drinking-water pipe 3, soundproof cotton 20 is the loop configuration with waterproof cover 21, and soundproof cotton 20 sets up between waterproof cover 21 and sound insulation sleeve 4's inner wall, place soundproof cotton 20 in waterproof cover 21 and sound insulation sleeve 4's inboard, then can fall the noise at the drainage in-process, the effectual practicality that improves the device.
In fig. 3: the bottom of tube cap 19 is provided with sealed 22 that fills up, and sealed 22 that fills up is the ring shape structure, and four sides equidistance in the inside of tube cap 19 is provided with threaded connection pole 23, improves tube cap 19 and sound insulation sleeve pipe 4's the leakproofness of being connected through sealed 22 that fills up.
In fig. 1 and 3: the inside of sealed pad 22 corresponds the position department of threaded connection rod 23 and has all run through and seted up connect the hole 24, the inside of sound insulation sleeve 4 corresponds the position department of connect the hole 24 and has all etched threaded connection groove 25, and threaded connection rod 23 and threaded connection groove 25 between intermeshing be connected, pass connect the hole 24 back through threaded connection rod 23, install sealed pad 22 in the bottom of tube cap 19, through the cooperation of threaded connection rod 23 and threaded connection groove 25, be connected tube cap 19 and sound insulation sleeve 4.
The working principle of the utility model is as follows: the device main body 1 is stably placed on the ground, the electric pump main body 2 is controlled to operate through the control box 7, when the electric pump main body 2 pumps water through the water pumping pipe 3, the servo motor 14 is electrified through an external power supply, the servo motor 14 drives the first rotating shaft 9 to rotate, the second rotating shaft 10 is driven to synchronously rotate through the matching of the first gear 12 and the second gear 13, so that coal slime can be crushed through the two crushing wheels 11, the mesh cover 18 is sleeved at the liquid inlet end of the crushing barrel 5, the effect during drainage can be improved, the sealing gasket 22 is installed at the bottom of the pipe cover 19 after penetrating through the connecting through hole 24 through the threaded connecting rod 23, the pipe cover 19 is connected with the sound insulation sleeve 4 through the matching of the threaded connecting rod 23 and the threaded connecting groove 25, and the sound insulation cotton 20 is placed on the inner sides of the waterproof sleeve 21 and the sound insulation sleeve 4, then can fall and make an uproar at the drainage in-process, effectual improvement the device's practicality, when the broken section of thick bamboo 5 of user's needs dismantlement, through screw thread lug 16 and thread groove 17's cooperation, be connected the bottom and the adapter sleeve 15 of drinking-water pipe 3 to the broken section of thick bamboo 5 of installation that can be swift, otherwise, the broken section of thick bamboo 5 of dismantlement that then can be swift overhauls, and convenient to use personnel use comparatively practically.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. A drainage and pressure reduction device for a coal bed methane exploration well comprises a device main body (1) and is characterized in that an electric pump main body (2) is fixedly installed at the top of the device main body (1), an input pipe of the electric pump main body (2) is connected with a water pumping pipe (3), a sound insulation sleeve (4) is sleeved outside the water pumping pipe (3), a liquid inlet end of the sound insulation sleeve (4) is connected with a crushing barrel (5), an output pipe of the electric pump main body (2) is connected with a water drainage pipe (6), a control box (7) is fixedly installed above the device main body (1), an input end of the electric pump main body (2) is electrically connected with an output end of the control box (7), the top of the crushing barrel (5) is connected with a barrel cover (8), one side of the inside of the crushing barrel (5) is rotatably connected with a first rotating shaft (9), the other side of the inside of the crushing barrel (5) is rotatably connected with a second rotating shaft (10), and the first rotating shaft (9) and the second rotating shaft (10) are arranged in parallel, the crushing wheels (11) are fixedly arranged outside the first rotating shaft (9) and the second rotating shaft (10), and the crushing wheels (11) are arranged inside the crushing barrel (5).
2. A water and pressure reducing device for a coal bed methane exploration well according to claim 1, characterized in that a first gear (12) is fixedly installed at one end of the first rotating shaft (9), the first gear (12) is arranged outside the crushing barrel (5), a second gear (13) is fixedly installed at one end of the second rotating shaft (10) corresponding to one side position of the first gear (12), and the first gear (12) and the second gear (13) are meshed and connected with each other.
3. The drainage and pressure reduction device for the coal bed methane exploration well is characterized in that a servo motor (14) is fixedly installed at a position, corresponding to the first rotating shaft (9), outside the crushing barrel (5), an output shaft of the servo motor (14) is connected with one end of the first rotating shaft (9), a connecting sleeve (15) is communicated at a position, corresponding to the sound insulation sleeve (4), of the top of the barrel cover (8), and an input end of the servo motor (14) is electrically connected with an output end of the control box (7).
4. A water and pressure reducing device for a coal bed methane exploration well according to claim 3, wherein a threaded bump (16) is etched on the outer portion of the sound insulation sleeve (4) at a position corresponding to the connecting sleeve (15), a threaded groove (17) is etched on the inner portion of the connecting sleeve (15) at a position corresponding to the threaded bump (16), the threaded bump (16) and the threaded groove (17) are in meshed connection, and a mesh enclosure (18) is communicated with the middle of the bottom of the crushing barrel (5).
5. The drainage and pressure reduction device for the coal bed methane exploration well is characterized in that a pipe cover (19) is fixedly mounted at one side, corresponding to the sound insulation sleeve (4), of the bottom of the water pumping pipe (3), sound insulation cotton (20) is arranged inside the sound insulation sleeve (4), a waterproof sleeve (21) is arranged inside the sound insulation cotton (20), the waterproof sleeve (21) is sleeved outside the water pumping pipe (3), the sound insulation cotton (20) and the waterproof sleeve (21) are of an annular structure, and the sound insulation cotton (20) is arranged between the waterproof sleeve (21) and the inner wall of the sound insulation sleeve (4).
6. A water and pressure reducing device for a coal bed methane exploration well according to claim 5, characterized in that the bottom of the pipe cover (19) is provided with a sealing gasket (22), the sealing gasket (22) is of a circular ring structure, and four inner sides of the pipe cover (19) are equidistantly provided with threaded connecting rods (23).
7. The drainage and depressurization device for the coalbed methane exploration well according to claim 6, wherein the inside of the sealing gasket (22) corresponding to the position of the threaded connecting rod (23) is provided with a connecting through hole (24) in a penetrating way, the inside of the sound insulation casing (4) corresponding to the position of the connecting through hole (24) is etched with a threaded connecting groove (25), and the threaded connecting rod (23) and the threaded connecting groove (25) are mutually meshed and connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123143133.9U CN216277828U (en) | 2021-12-06 | 2021-12-06 | A drainage pressure reduction means for coal bed gas exploration well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123143133.9U CN216277828U (en) | 2021-12-06 | 2021-12-06 | A drainage pressure reduction means for coal bed gas exploration well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216277828U true CN216277828U (en) | 2022-04-12 |
Family
ID=81057316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123143133.9U Active CN216277828U (en) | 2021-12-06 | 2021-12-06 | A drainage pressure reduction means for coal bed gas exploration well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216277828U (en) |
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2021
- 2021-12-06 CN CN202123143133.9U patent/CN216277828U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231227 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: PETROCHINA Co.,Ltd. Patentee after: PETROCHINA COALBED METHANE Co.,Ltd. Patentee after: CHINA UNITED COALBED METHANE NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. Address before: 100095 floor 1-5, building 1, yard 7, Dijin Road, Haidian District, Beijing Patentee before: CHINA UNITED COALBED METHANE NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. |
|
| TR01 | Transfer of patent right |