CN216240563U - Coal-series gas well drainage and production device - Google Patents
Coal-series gas well drainage and production device Download PDFInfo
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- CN216240563U CN216240563U CN202122799254.2U CN202122799254U CN216240563U CN 216240563 U CN216240563 U CN 216240563U CN 202122799254 U CN202122799254 U CN 202122799254U CN 216240563 U CN216240563 U CN 216240563U
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- sieve tube
- cleaning brush
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Abstract
The utility model discloses a coal-based gas well drainage and production device, which relates to the technical field of coal bed gas and comprises a pipeline arranged in a well body, wherein the tail end of the pipeline is provided with a pump body, a water inlet of the pump body is provided with a sieve pipe, and a cleaning assembly is arranged in the sieve pipe; the cleaning assembly comprises a spiral rod arranged inside the sieve tube, a cleaning brush is sleeved on the outer side of the spiral rod, the cleaning brush slides along the direction of the spiral rod, and the cleaning brush can rotate when sliding; the bottom of the sieve tube is embedded with a pushing piece, the pushing piece is connected with a cleaning brush through a connecting block, the connecting block is sleeved on the spiral rod, and the cleaning brush is rotatably connected with the connecting block. The automatic cleaning device can automatically clean the inner wall of the sieve tube through the cleaning assembly, and can clean the sieve tube without detaching the sieve tube in the operation process, so that the manpower is saved.
Description
Technical Field
The utility model relates to the technical field of coal bed gas, in particular to a coal-series gas well drainage and production device.
Background
The coal bed gas is hydrocarbon gas which is stored in a coal bed, takes methane as a main component, is adsorbed on the surface of coal matrix particles as a main component, is partially dissociated in coal pores or dissolved in coal bed water, is an associated mineral resource of coal, and is a high-quality energy source and a chemical raw material.
The drainage and the mining of the coal bed gas are short for the drainage and the mining of the coal bed gas, namely, water in a shaft is lifted to the ground in a mechanical lifting mode, the bottom hole flowing pressure is gradually reduced, a pressure drop funnel is gradually formed and gradually expands outwards along with the reduction of the bottom hole flowing pressure, and then the reservoir pressure of the coal bed is gradually reduced. Along with the reduction of the bottom hole pressure, the coal bed gas adsorbed on the inner surfaces of the pores of the coal matrix is gradually desorbed and then is transported to the bottom hole through seepage and diffusion effects and then is extracted to the ground.
When the existing discharging and mining device is used for underground discharging and mining, in order to prevent blockage during operation of a down-hole pump, a sieve tube is usually arranged at a water inlet of a pump body to filter solid particles such as coal dust and coal dust so as to ensure smooth discharging and mining.
However, the sieve tube adopted in the row in the prior art is easy to cause the phenomenon of sieve pore blockage after being used for a long time, the sieve tube needs to be replaced regularly and cleaned manually, manpower is wasted, and the practicability is poor. Therefore, the person skilled in the art provides a coal-based gas well drainage device to solve the problems mentioned in the background art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coal-based gas well discharging and mining device to overcome the defects in the prior art.
In order to achieve the above purpose, the utility model provides the following technical scheme: a coal-based gas well drainage and production device comprises a pipeline arranged in a well body, wherein a pump body is arranged at the tail end of the pipeline, a sieve tube is arranged at a water inlet of the pump body, and a cleaning assembly is arranged inside the sieve tube; the cleaning assembly comprises a spiral rod arranged inside the sieve tube, a cleaning brush is sleeved on the outer side of the spiral rod, the cleaning brush slides along the direction of the spiral rod, and the cleaning brush can rotate when sliding; the bottom of the sieve tube is embedded with a pushing piece, the pushing piece is connected with a cleaning brush through a connecting block, the connecting block is sleeved on the spiral rod, and the cleaning brush is rotatably connected with the connecting block.
As a further description of the above technical solution: the cleaning brush comprises a sleeve, a plurality of fixing rods are distributed on the outer side of the sleeve in a circular array mode, and a brush head is arranged at the tail end of each fixing rod.
As a further description of the above technical solution: the inner wall of the sleeve is provided with a spiral groove matched with the spiral rod.
As a further description of the above technical solution: the top end of the screw rod is provided with a limiting block.
As a further description of the above technical solution: the pushing piece is an electric telescopic rod.
As a further description of the above technical solution: the screen pipe is characterized in that a first fixed disc is arranged on the water inlet, a second fixed disc is arranged on the screen pipe, and the first fixed disc and the second fixed disc are fixedly connected through a fastener.
As a further description of the above technical solution: the fastener is a bolt, and a locking nut is sleeved on the fastener.
As a further description of the above technical solution: and the side wall of the sieve tube is provided with sieve pores.
In the technical scheme, the coal-series gas well discharging and mining device provided by the utility model has the advantages that the inner wall of the sieve tube can be automatically cleaned through the arranged cleaning assembly, the sieve tube does not need to be detached in the operation process, the manpower is saved, the design structure is simple, the operation is convenient, the practicability is strong, and the device is suitable for wide popularization.
Drawings
FIG. 1 is a schematic structural diagram of a coal-based gas well drainage and production device;
FIG. 2 is a schematic cross-sectional view of a screen pipe in a coal-based gas well production apparatus;
FIG. 3 is a top view of a screen in a coal-based gas well production and drainage apparatus;
FIG. 4 is a schematic structural view of a cleaning brush in a coal-based gas well extraction device;
fig. 5 is a partially enlarged view of a portion a of a coal-based gas well extraction device.
Description of reference numerals:
1. a well body; 2. a pipeline; 3. a pump body; 4. a water inlet; 5. a screen pipe; 6. a first fixed disk; 7. a second fixed disk; 8. a fastener; 9. cleaning the assembly; 91. a screw rod; 92. cleaning with a brush; 921. a sleeve; 922. fixing the rod; 923. a brush head; 93. a pusher member; 94. connecting blocks; 95. and a limiting block.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a coal-based gas well drainage and mining device comprises a pipeline 2 arranged in a well body 1, wherein the tail end of the pipeline 2 is provided with a pump body 3, a water inlet 4 of the pump body 3 is provided with a sieve tube 5, the side wall of the sieve tube 5 is provided with sieve pores, when drainage and mining are carried out, water enters the sieve tube 5 after being filtered by the sieve pores, then the water is sucked into the pipeline 2 by the work of the pump body 3 and is discharged, a cleaning assembly 9 is arranged inside the sieve tube 5, and the cleaning assembly 9 can automatically clean the inner wall of the sieve tube 5; the cleaning assembly 9 comprises a spiral rod 91 arranged inside the sieve tube 5, a cleaning brush 92 is sleeved outside the spiral rod 91, the cleaning brush 92 slides along the direction of the spiral rod 91, the cleaning brush 92 can rotate when sliding, the cleaning brush 92 can slide up and down along the spiral rod 91, the cleaning brush 92 can rotate along the spiral direction of the spiral rod 91 when sliding, the inner wall of the sieve tube 5 is cleaned through rotation of the cleaning brush 92, and the cleaning brush 92 can perform all-dimensional cleaning on the sieve tube 5 when sliding up and down along the spiral rod 91, so that the aim of placing sieve pore blockage is fulfilled; the bottom of the sieve tube 5 is embedded with a pushing piece 93, the pushing piece 93 is an electric telescopic rod, the pushing piece 93 is connected with a cleaning brush 92 through a connecting block 94, the connecting block 94 is sleeved on a spiral rod 91 and slides up and down along the spiral rod 91, the cleaning brush 92 is rotatably connected with the connecting block 94, the pushing piece 93 can push the cleaning brush 92 to move upwards along the spiral rod 91, the cleaning brush 92 continuously rotates and cleans the sieve tube 5 during the upward movement, when the pushing piece 93 contracts, the cleaning brush 92 moves downwards along the spiral rod 91 and continuously rotates to clean the sieve tube 5 during the downward movement, the inner wall of the sieve tube 5 can be automatically cleaned through the arranged cleaning component 9, the sieve tube 5 can be cleaned without being detached during the operation process, the manpower is saved, the sieve tube cleaning device is simple in structure, convenient to operate and high in practicability, is suitable for wide popularization, and solves the problems that the sieve tube 5 needs to be periodically replaced and cleaned manually in the prior art, the manpower is wasted, and the practicability is poor.
Specifically, in this embodiment, when the clearance of screen pipe 5 needs to be carried out, through the action of stretching out of impeller 93, promote connecting block 94 and upwards slide, and then promote sweeper 92 and upwards slide along hob 91, sweeper 92 continuously rotates the gliding in-process that makes progress simultaneously, clear up the screen hole, and on the same hand, through the shrink of impeller 93, pulling sweeper 92 is along hob 91 downstream, and sweeper 92 continuously rotates and continues to clear up screen pipe 5 when the downstream, reaches the purpose of the automatic clearance of screen pipe 5.
In another embodiment of the present invention, the cleaning brush 92 includes a sleeve 921, a plurality of fixing rods 922 are distributed on the outer side of the sleeve 921 in a circular array, a brush head 923 is disposed at the end of each fixing rod 922, the brush head 923 clings to the inner wall of the sieve tube 5 to clean the sieve pores, and a spiral groove matched with the spiral rod 91 is disposed on the inner wall of the sleeve 921, so that the sleeve 921 can rotate when moving along the direction of the spiral rod 91, without a driving source, and the cost is low.
In another embodiment of the present invention, a limiting block 95 is disposed at the top end of the screw rod 91 to limit the fixing rod 922.
In another embodiment provided by the utility model, the water inlet 4 is provided with a first fixed disk 6, the sieve tube 5 is provided with a second fixed disk 7, the first fixed disk 6 and the second fixed disk 7 are fixedly connected through a fastener 8, the fastener 8 is a bolt, and the fastener 8 is sleeved with a locking nut, so that the sieve tube 5 can be quickly mounted and dismounted through the arranged fastener 8, and the sieve tube 5 can be conveniently replaced.
The working principle of the utility model is as follows: in the actual use process, firstly, the sieve tube 5 is installed on the water inlet 4 through the fastener 8, then, the pump body 3 works to filter the water in the well body 1 through the sieve holes and suck the water into the sieve tube 5, and then the water enters the pipeline 2 through the water outlet of the pump body 3 and is discharged from the well body 1, when the sieve tube 5 needs to be cleaned, the connecting block 94 is pushed to slide upwards through the extending action of the pushing piece 93, and further the sleeve 921 is pushed to slide upwards, so that the cleaning brush 92 slides upwards along the screw rod 91, and simultaneously the cleaning brush 92 continuously rotates in the upwards sliding process, in the process, the brush head 923 is tightly attached to the inner wall of the sieve tube 5 to clean the sieve holes, in the same way, through the contraction of the pushing piece 93, the cleaning brush 92 is pulled to move downwards along the screw rod 91, and the cleaning brush 92 continuously rotates to clean the sieve tube 5 while moving downwards, so as to realize the automatic cleaning of the sieve tube 5, can carry out automatic clearance to the inner wall of screen pipe 5 through the clearance subassembly 9 that sets up, and need not to demolish screen pipe 5 in the operation process and can clear up, use manpower sparingly, this design simple structure, convenient operation has stronger practicality, suitable extensive popularization.
Claims (8)
1. A coal-series gas well drainage and production device comprises a pipeline (2) arranged in a well body (1), wherein the tail end of the pipeline (2) is provided with a pump body (3), and is characterized in that a sieve tube (5) is arranged on a water inlet (4) of the pump body (3), and a cleaning assembly (9) is arranged inside the sieve tube (5);
the cleaning assembly (9) comprises a spiral rod (91) arranged inside the sieve tube (5), a cleaning brush (92) is sleeved on the outer side of the spiral rod (91), the cleaning brush (92) slides along the direction of the spiral rod (91), and the cleaning brush (92) can rotate when sliding;
the bottom of the sieve tube (5) is embedded with a pushing piece (93), the pushing piece (93) is connected with a cleaning brush (92) through a connecting block (94), the connecting block (94) is sleeved on the spiral rod (91), and the cleaning brush (92) is rotatably connected with the connecting block (94).
2. The coal-based gas well drainage and production device as claimed in claim 1, wherein the sweeping brush (92) comprises a sleeve (921), a plurality of fixing rods (922) are distributed on the outer side of the sleeve (921) in a circular array, and a brush head (923) is arranged at the tail end of each fixing rod (922).
3. The coal-based gas well drainage and production device as claimed in claim 2, wherein the inner wall of the sleeve (921) is provided with a spiral groove matched with the spiral rod (91).
4. The drainage and production device for the coal-based gas well as the coal-based gas well are characterized in that a limiting block (95) is arranged at the top end of the spiral rod (91).
5. The coal-based gas well drainage and production device as claimed in claim 1, wherein the pushing member (93) is an electric telescopic rod.
6. The coal-based gas well drainage and production device as claimed in claim 1, wherein a first fixed disc (6) is arranged on the water inlet (4), a second fixed disc (7) is arranged on the sieve tube (5), and the first fixed disc (6) and the second fixed disc (7) are fixedly connected through a fastener (8).
7. The coal-based gas well drainage and production device as claimed in claim 6, characterized in that the fastening member (8) is a bolt, and a locking nut is sleeved on the fastening member (8).
8. The drainage and production device for the coal-based gas well as the coal-based gas well are characterized in that the side wall of the sieve tube (5) is provided with sieve holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122799254.2U CN216240563U (en) | 2021-11-16 | 2021-11-16 | Coal-series gas well drainage and production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122799254.2U CN216240563U (en) | 2021-11-16 | 2021-11-16 | Coal-series gas well drainage and production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216240563U true CN216240563U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122799254.2U Active CN216240563U (en) | 2021-11-16 | 2021-11-16 | Coal-series gas well drainage and production device |
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| CN (1) | CN216240563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116658131A (en) * | 2023-08-02 | 2023-08-29 | 招远金河石油设备技术开发有限公司 | Vibration screen tube sand filtering screen pipe device |
-
2021
- 2021-11-16 CN CN202122799254.2U patent/CN216240563U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116658131A (en) * | 2023-08-02 | 2023-08-29 | 招远金河石油设备技术开发有限公司 | Vibration screen tube sand filtering screen pipe device |
| CN116658131B (en) * | 2023-08-02 | 2023-10-10 | 招远金河石油设备技术开发有限公司 | Vibration screen tube sand filtering screen pipe device |
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