CN208073444U - Mining device under a kind of coal bed gas well - Google Patents
Mining device under a kind of coal bed gas well Download PDFInfo
- Publication number
- CN208073444U CN208073444U CN201820396635.1U CN201820396635U CN208073444U CN 208073444 U CN208073444 U CN 208073444U CN 201820396635 U CN201820396635 U CN 201820396635U CN 208073444 U CN208073444 U CN 208073444U
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- slip pipe
- coal bed
- rack
- operating room
- bed gas
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Abstract
The utility model belongs to coal bed gas extraction technical field, more particularly to mining device under a kind of coal bed gas well, including gas collecting tube, moisture trap, slip pipe, motor, operating room and pedestal, it is characterized in that, gas collecting tube connects slip pipe upper end by moisture trap, the first rack is provided in the middle part of slip pipe to engage with the second rack on motor, slip pipe passes through operating room and ensures direction righting by centralizer, slip pipe lower end connects slide plate, motor is mounted on operating room's outer upper ends, floor installation lower end outside operating room using motor mounting rack.The problem of the utility model can effectively prevent existing mining equipment down-hole pump easily to be blocked by solid particle, has the feature that operation principle is reliable, simple in structure, tripping in is easy to operate and of low cost, meets coal bed gas actual production demand.
Description
Technical field
The utility model belongs to coal bed gas extraction technical field, and in particular to mining device under a kind of coal bed gas well.
Background technology
The mining of coal bed gas is the abbreviation of coal bed gas water pumping gas production process, and being will be in pit shaft in the way of mechanical lift
Water gives rise to ground, gradually reduces flowing bottomhole pressure (FBHP).As flowing bottomhole pressure (FBHP) reduces, pressure drop funnel is gradually formed and gradually to extending out
Exhibition, and then gradually reduce the reservoir pressure in coal seam.Reduced with bottom pressure, be adsorbed on the coal bed gas of matrix of coal internal pore surface by
It gradually desorbs, is produced to ground after then migrating to shaft bottom by seepage flow and diffusion.
Existing mining device is solid to coal dust, ickings and proppant etc. in down-hole pump operation when carrying out mining
Body particle filtering is not complete, is susceptible to pump and blocks, and is had an impact to the operation of coal bed gas well mining, increase work-over operation and mining at
This.Therefore, it is necessary to design under a kind of coal bed gas well mining device to solve the problems, such as this.
Invention content
Purpose of the utility model is to solve existing down-hole pump blockage problem, mining under a kind of coal bed gas well is provided
Device.
Technical solution adopted by the utility model to solve its technical problems is：Mining device under a kind of coal bed gas well, packet
Include gas collecting tube 1, moisture trap 2, slip pipe 3, motor 4, operating room 5 and pedestal 6, characterized in that gas collecting tube 1 passes through gas-water separation
Device 2 connects 3 upper end of slip pipe, and 3 middle part of slip pipe is provided with the first rack 3a and is engaged with the second rack 4a on motor 4, and slip pipe 3 passes through
Operating room 5 simultaneously ensures that direction righting, 3 lower end of slip pipe connect slide plate 5d by centralizer 5a, and motor 4 is pacified using motor mounting rack 4d
Mounted in 5 outer upper ends of operating room, pedestal 6 is mounted on 5 outside lower end of operating room.
3 lower part of the slip pipe is uniformly provided with through-hole and carries unidirectional valve, the upper end and lower end respectively with moisture trap 2
It is connected with slide plate 5d, slip pipe 3 is slidably matched with slide plate 5d.
The middle part of the motor 4 is equipped with shaft 4c, and the surfaces shaft 4c are installed with turntable 4b, half cycle outside the surfaces turntable 4b
It is installed with the second rack 4a, the second rack 4a and the first rack 3a engagements.
5 internal upper part of the operating room is installed with centralizer 5a, and locating piece 5b is symmetrically installed under centralizer 5a, positioning
It is installed on the downside of block 5b and is uniformly provided with through-hole on the first spring 5c, the first spring 5c connections slide plate 5d, slide plate 5d and is arranged
Unidirectional valve, bottom is equipped with filter ball pond 5g in operating room 5, in be full of filter ball, partition board is fixedly mounted in filter ball Chi5gDing
It is uniformly provided with through-hole on 5f, partition board 5f, second spring 5e is installed between slide plate 5d and partition board 5f.
The bottom surface of the pedestal 6 is reticular structure.
The beneficial effects of the utility model：Existing mining equipment down-hole pump can be effectively prevent easily to be blocked by solid particle
Problem has the feature that operation principle is reliable, simple in structure, tripping in is easy to operate and of low cost, and it is practical raw to meet coal bed gas
Production demand.
The utility model is described further with reference to the accompanying drawings and examples.
Description of the drawings
Fig. 1 is the structural schematic diagram of mining device under a kind of coal bed gas well of the utility model.
In figure：1- gas collecting tubes, 2- moisture traps, 3- slip pipes, the first racks of 3a-, 4- motors, the second racks of 4a-, 4b-
Turntable, 4c- shafts, 4d- motor mounting racks, the operating rooms 5-, 5a- centralizers, 5b- locating pieces, the first springs of 5c-, 5d- slide plates,
5e- second springs, 5f- partition boards, 5g- filter balls pond, 6- pedestals.
Specific implementation mode
Referring to Fig. 1, the utility model proposes a kind of coal bed gas well under mining device, including gas collecting tube 1, moisture trap
2, slip pipe 3, motor 4, operating room 5 and pedestal 6, characterized in that gas collecting tube 1 connects 3 upper end of slip pipe by moisture trap 2, sliding
3 middle part of pipe is provided with the first rack 3a and is engaged with the second rack 4a on motor 4, and slip pipe 3 passes through operating room 5 and passes through centralizer
5aEnsure that direction righting, 3 lower end of slip pipe connect slide plate 5d, motor 4 is mounted on using motor mounting rack 4d on 5 outside of operating room
End, pedestal 6 are mounted on 5 outside lower end of operating room.
3 lower part of the slip pipe is uniformly provided with through-hole and carries unidirectional valve, the upper end and lower end respectively with moisture trap 2
It is connected with slide plate 5d, slip pipe 3 is slidably matched with slide plate 5d.
4 middle part of the motor is equipped with shaft 4c, shaft 4cSurface is installed with turntable 4b, half cycle outside the surfaces turntable 4b
It is installed with the second rack 4a, the second rack 4aWith the first rack 3aEngagement.
5 internal upper part of the operating room is installed with centralizer 5a, locating piece 5b is symmetrically installed under centralizer 5a, is positioned
It is installed on the downside of block 5b and is uniformly provided with through-hole on the first spring 5c, the first spring 5c connections slide plate 5d, slide plate 5d and is arranged
Unidirectional valve, bottom is equipped with filter ball pond 5g in operating room 5, in be full of filter ball, partition board is fixedly mounted in filter ball Chi5gDing
It is uniformly provided with through-hole on 5f, partition board 5f, second spring 5e is installed between slide plate 5d and partition board 5f.
The bottom surface of the pedestal 6 is reticular structure.
The course of work of the utility model：When needing to carry out mining to coal bed gas, the utility model is filled first
Tripping in is set to coal bed gas well shaft bottom, the device is made to be in the shaft bottom liquid in coal bed gas well.When work, motor 4 is connected ground
Face power supply, motor 4 drives shaft 4c rotation, to make turntable 4b rotate, by the cooperation of the second rack 4a and the first rack 3a,
So that slip pipe 3 is slided up and down, to drive slide plate 5d to slide up and down, when slide plate 5d slide downwards, well liquid is made to be drained into cunning
In plate 5d superjacent air spaces, due to the presence of filter ball pond 5g, well liquid can fully be filtered, solid particle is avoided to enter work
Make to block in room 5；After turntable 4b rotates half cycle, the second rack 4a and the first rack 3a separation, to pass through the first bullet
The pulling force of spring 5c and the thrust of second spring 5e make slide plate 5d rise, in this way, well liquid and coal bed gas enter air water point by slip pipe 3
Enter in gas collecting tube 1 from the coal bed gas in device 2, detached by moisture trap 2 after collecting and converge to ground, well liquid is defeated by oil pipe
It send to ground.
Claims (5)
1. mining device under a kind of coal bed gas well, including gas collecting tube (1), moisture trap (2), slip pipe (3), motor (4), work
Room (5) and pedestal (6), characterized in that gas collecting tube (1) connects slip pipe (3) upper end, slip pipe (3) middle part by moisture trap (2)
It is provided with the first rack (3a) to engage with the second rack (4a) on motor (4), slip pipe (3) passes through operating room (5) and by helping
Positive device (5a) ensures that direction righting, slip pipe (3) lower end connect slide plate (5d), and motor (4) is mounted on using motor mounting rack (4d)
Operating room (5) outer upper ends, pedestal (6) are mounted on operating room (5) external lower end.
2. mining device under a kind of coal bed gas well according to claim 1, characterized in that slip pipe (3) lower part is uniform
It is provided with through-hole and carries unidirectional valve, the upper end and lower end are connect with moisture trap (2) and slide plate (5d) respectively, slip pipe (3)
It is slidably matched with slide plate (5d).
3. mining device under a kind of coal bed gas well according to claim 1 or 2, characterized in that peace in the middle part of the motor (4)
Equipped with shaft (4c), the surface shaft (4c) is installed with turntable (4b), and half cycle is installed with second outside the surface turntable (4b)
Rack (4a), the second rack (4a) and the first rack (3a) engagement.
4. mining device under a kind of coal bed gas well according to claim 1 or 2, characterized in that in the operating room (5)
Portion is installed with centralizer (5a), and locating piece (5b) is symmetrically installed under centralizer (5a), peace is fixed on the downside of locating piece (5b)
Equipped with the first spring (5c), the first spring (5c) connects slide plate (5d), and through-hole is uniformly provided on slide plate (5d) and is arranged unidirectional all
You, operating room (5) interior bottom is equipped with filter ball pond (5g), interior to be full of filter ball, and partition board is fixedly mounted in the top filter ball pond (5g)
(5f) is uniformly provided with through-hole on partition board (5f), second spring (5e) is equipped between slide plate (5d) and partition board (5f).
5. mining device under a kind of coal bed gas well according to claim 1 or 2, characterized in that the bottom surface of the pedestal (6)
For reticular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820396635.1U CN208073444U (en) | 2018-03-22 | 2018-03-22 | Mining device under a kind of coal bed gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820396635.1U CN208073444U (en) | 2018-03-22 | 2018-03-22 | Mining device under a kind of coal bed gas well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208073444U true CN208073444U (en) | 2018-11-09 |
Family
ID=64047642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820396635.1U Active CN208073444U (en) | 2018-03-22 | 2018-03-22 | Mining device under a kind of coal bed gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208073444U (en) |
-
2018
- 2018-03-22 CN CN201820396635.1U patent/CN208073444U/en active Active
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