CN215632912U - Sieve tube for multi-coal layer laminating of coal bed gas well - Google Patents
Sieve tube for multi-coal layer laminating of coal bed gas well Download PDFInfo
- Publication number
- CN215632912U CN215632912U CN202122497199.1U CN202122497199U CN215632912U CN 215632912 U CN215632912 U CN 215632912U CN 202122497199 U CN202122497199 U CN 202122497199U CN 215632912 U CN215632912 U CN 215632912U
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- China
- Prior art keywords
- screen
- bed gas
- pipe
- gas well
- coal bed
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- Expired - Fee Related
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- 239000003245 coal Substances 0.000 title claims abstract description 71
- 238000010030 laminating Methods 0.000 title claims description 10
- 238000003475 lamination Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005065 mining Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a sieve tube for multi-coal layer lamination of a coal bed gas well, which relates to the technical field of coal bed mining and comprises a tube body, wherein the top end of the tube body is provided with a connector, the tube body comprises an upper sieve tube and a lower sieve tube, and a plurality of detachable sieve tubes are arranged between the upper sieve tube and the lower sieve tube; the lower end of the upper sieve tube is provided with a first fixing plate, and a fixing assembly is arranged on the first fixing plate; the upper end of the lower sieve tube is provided with a second fixing plate; the upper end of the detachable sieve tube is provided with a second fixing plate, and the lower end of the detachable sieve tube is provided with a first fixing plate. The sieve tube is designed into a multi-section type through the upper sieve tube, the lower sieve tube and the detachable sieve tube, so that the sieve tube can be quickly installed and detached, the tube body can be conveniently cleaned, meanwhile, the length of the tube body can be adjusted by adjusting the number of the detachable sieve tubes, different mining requirements can be met, and the sieve tube has high practicability and is suitable for wide popularization.
Description
Technical Field
The utility model relates to the technical field of coal seam mining, in particular to a sieve tube for multi-coal layer lamination of a coal seam gas well.
Background
The shallow coal seam is generally mined in the open pit, the coal seam buried deeply needs shaft mining, most coal mines in China are deep coal seams, and most coal mines adopt vertical shaft mining. The filter sieve pipe that adopts is arranged to current coal bed gas as the intake of suction pump, but in case arrange to adopt the in-process normal water coal dust that appears, the coal dust is pasted on the sieve mesh extremely easily, influences the efficiency of drawing water, can cause the sieve mesh to block up when serious, influences the normal clear-up of arranging the work of adopting, needs regularly to clear up or change the sieve pipe.
However, the sieve tube adopted by the coal bed gas well multiple coal layer in the prior art is generally of an integrally formed structure and cannot be disassembled, and the sieve tube is inconvenient to clean. Accordingly, one skilled in the art provides a screen for a multi-coal seam screen of a coal bed gas well to solve the problems set forth in the background art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a screen pipe for multi-coal layer lamination of a coal bed gas well, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the utility model provides the following technical scheme: the screen pipe for the multi-coal layer lamination of the coal bed gas well comprises a pipe body, wherein a connector is arranged at the top end of the pipe body, the pipe body comprises an upper screen pipe and a lower screen pipe, and a plurality of detachable screen pipes are arranged between the upper screen pipe and the lower screen pipe; the lower end of the upper sieve tube is provided with a first fixing plate, and a fixing assembly is arranged on the first fixing plate; the upper end of the lower sieve tube is provided with a second fixing plate; the upper end of the detachable sieve tube is provided with a second fixing plate, and the lower end of the detachable sieve tube is provided with a first fixing plate.
As a further description of the above technical solution: the fixing assembly comprises a fixing rod penetrating through the first fixing plate, a pressing plate is arranged at one end of the fixing rod, a limiting block is arranged at the other end of the fixing rod, the fixing rod is rotatably connected with the pressing plate, and an elastic piece is sleeved outside the fixing rod.
As a further description of the above technical solution: and the second fixing plate is provided with a groove matched with the fixing rod.
As a further description of the above technical solution: and a sealing ring is arranged on the second fixing plate.
As a further description of the above technical solution: the lower surface of the first fixing plate is provided with a pressing block matched with the sealing ring.
As a further description of the above technical solution: the second fixing plate is provided with a placing groove.
As a further description of the above technical solution: the pipe body comprises a first sieve pipe, a second sieve pipe is arranged on the inner side of the first sieve pipe, and a third sieve pipe is arranged on the inner side of the second sieve pipe.
As a further description of the above technical solution: the sieve mesh of the first sieve tube is larger than that of the second sieve tube, and the sieve mesh of the second sieve tube is larger than that of the third sieve tube.
As a further description of the above technical solution: and a first clamping block is arranged on the outer side of the second sieve tube, and a second clamping block is arranged on the outer side of the third sieve tube.
As a further description of the above technical solution: the first sieve tube is provided with a first clamping groove matched with the first clamping block, and the second sieve tube is provided with a second clamping groove matched with the second clamping block.
In the technical scheme, the sieve tube adopted by the coal bed gas well multi-coal layer lamination is designed into a multi-section type through the upper sieve tube, the lower sieve tube and the detachable sieve tube, so that the sieve tube can be quickly installed and detached, the tube body can be conveniently cleaned, and meanwhile, the length of the tube body can be adjusted by adjusting the number of the detachable sieve tubes, so that the sieve tube meets different mining requirements, has strong practicability and is suitable for wide popularization.
Drawings
FIG. 1 is a schematic structural diagram of a screen pipe for a multi-coal layer of a coal bed gas well;
FIG. 2 is a schematic structural diagram of an upper sieve tube in a sieve tube for multi-coal layer lamination of a coal bed gas well;
FIG. 3 is a schematic structural diagram of a screen-in-screen in a screen for a multi-coal layer of a coal bed gas well;
FIG. 4 is a schematic structural diagram of a detachable screen pipe in a screen pipe for a multi-coal layer of a coal bed gas well;
FIG. 5 is a partial enlarged view of A in a screen pipe for a multi-coal layer of a coal bed gas well;
FIG. 6 is a schematic structural diagram of a second fixing plate in a screen pipe for multi-coal layer lamination of a coal bed gas well;
FIG. 7 is a schematic structural diagram of a pipe body in a screen pipe for multi-coal layer lamination of a coal bed gas well;
FIG. 8 is a schematic cross-sectional view of a tubular body of a screen pipe for a multi-coal layer of a coal bed gas well.
Description of reference numerals:
1. a pipe body; 2. a connector; 3. feeding a sieve tube; 4. feeding a screen pipe; 5. the sieve tube can be disassembled; 6. a first fixing plate; 7. a second fixing plate; 71. a groove; 72. a placement groove; 8. a fixing assembly; 81. fixing the rod; 82. a pressing plate; 83. an elastic member; 84. a limiting block; 9. a seal ring; 10. a compression block; 11. a first sieve tube; 12. a second sieve tube; 13. a third sieve tube; 14. a first clamping block; 15. a second fixture block; 16. a first card slot; 17. and a second card slot.
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 to 8, an embodiment of the present invention provides a technical solution: a screen pipe for multi-coal layer lamination of a coal bed gas well comprises a pipe body 1, wherein the screen pipe is used for filtering, the top end of the pipe body 1 is provided with a connector 2, the connector is used for connecting the pipe body 1 to a drainage and mining system, the pipe body 1 comprises an upper screen pipe 3 and a lower screen pipe 4, a plurality of detachable screen pipes 5 are arranged between the upper screen pipe 3 and the lower screen pipe 4, the quick installation and detachment of the pipe body 1 can be realized through the upper screen pipe 3, the lower screen pipe 4 and the detachable screen pipes 5, the pipe body 1 is convenient to clean, meanwhile, the length of the pipe body 1 can be adjusted by adjusting the number of the detachable screen pipes 5, so that the pipe body meets different mining requirements, and the screen pipe has strong practicability; the lower end of the upper sieve tube 3 is provided with a first fixing plate 6, and a fixing component 8 is arranged on the first fixing plate 6; the upper end of the lower sieve tube 4 is provided with a second fixing plate 7; can dismantle screen pipe 5's upper end is provided with second fixed plate 7, and the lower extreme that can dismantle screen pipe 5 is provided with first fixed plate 6, be provided with fixed subassembly 8 on first fixed plate 6, fixed subassembly 8 is used for connecting first fixed plate 6 and second fixed plate 7, can realize through the fixed subassembly 8 that sets up that screen pipe 3 and lower screen pipe 4 and can dismantle being connected of screen pipe 5, realize quick installation and the dismantlement of body 1, this design has solved prior art well screen pipe integrated into one piece structure with the screen pipe design multistage formula, can not dismantle, the inconvenient problem of screen pipe clearance.
Specifically, in this embodiment, when coal bed gas well row is adopted when needs carry out, carry out the installation of body 1 earlier, earlier can dismantle screen pipe 5 and install on last screen pipe 3, fixed subassembly 8 through last screen pipe 3 lower extreme first fixed plate 6 is fixed the second fixed plate 7 that can dismantle the screen pipe 5 top, then, adopt length demand to select suitable quantity can dismantle screen pipe 5 according to actual row, fix through fixed subassembly 8 between two adjacent can dismantle screen pipe 5, when fixed, aim at one can dismantle screen pipe 5 lower extreme first fixed plate 6 and dismantle second fixed plate 7 of screen pipe 5 upper end another, then carry out two through fixed subassembly 8 and can dismantle the fixed of screen pipe 5, it can on last section can of dismantling screen pipe 5 to reuse fixed subassembly 8 to fix screen pipe 4 at last.
In another embodiment of the present invention, the fixing assembly 8 includes a fixing rod 81 penetrating through the first fixing plate 6, a pressing plate 82 is disposed at one end of the fixing rod 81, a limiting block 84 is disposed at the other end of the fixing rod 81, the fixing rod 81 is rotatably connected to the pressing plate 82, the limiting block 84 is fixed on the fixing rod 81, the fixing rod 81 is driven to rotate by rotating the limiting block 84, an elastic member 83 is sleeved outside the fixing rod 81, the elastic member 83 is a spring, and a groove 71 adapted to the fixing rod 81 is formed in the second fixing plate 7 for fixing the first fixing plate 6 and the second fixing plate 7.
Specifically, in this embodiment, when first fixed plate 6 and second fixed plate 7 need to be fixed, through applying pressure to pressing plate 82, drive dead lever 81 and move down and get into recess 71, run through second fixed plate 7, then rotate stopper 84 and make it be vertical state with recess 71, the card is in the bottom of recess 71, realize the fixed of first fixed plate 6 and second fixed plate 7 promptly, when first fixed plate 6 and second fixed plate 7 need be demolishd, rotate stopper 84 to be parallel with recess 71, the elastic force of elastic component 83 drives dead lever 81 and shifts up, make stopper 84 pop out recess 71 and second fixed plate 7 and break away from, realize demolishing between them promptly.
In still another embodiment provided by the utility model, the second fixing plate 7 is provided with the sealing ring 9, the second fixing plate 7 is provided with the placing groove 72, the sealing ring 9 is arranged in the placing groove 72, the lower surface of the first fixing plate 6 is provided with the pressing block 10 matched with the sealing ring 9, the sealing between the second fixing plate 7 and the first fixing plate 6 can be realized through the arranged sealing ring 9, namely, the sealing between the upper sieve tube 3 and the lower sieve tube 4 and the detachable sieve tube 5 can be realized, meanwhile, the pressing block 10 matched with the arranged pressing block can press the sealing ring 9, the loosening phenomenon is prevented, and the sealing effect is better.
In still another embodiment provided by the utility model, the pipe body 1 comprises a first sieve pipe 11, a second sieve pipe 12 is arranged on the inner side of the first sieve pipe 11, a third sieve pipe 13 is arranged on the inner side of the second sieve pipe 12, the sieve holes of the first sieve pipe 11 are larger than those of the second sieve pipe 12, and the sieve holes of the second sieve pipe 12 are larger than those of the third sieve pipe 13, so that multiple times of filtration can be performed through the arranged first sieve pipe 11, the second sieve pipe 12 and the third sieve pipe 13, the filtration effect is improved, the blockage of a coal bed gas production system is prevented, and the smooth production of a gas well is ensured.
In another embodiment provided by the utility model, a first clamping block 14 is arranged on the outer side of the second sieve tube 12, a second clamping block 15 is arranged on the outer side of the third sieve tube 13, a first clamping groove 16 matched with the first clamping block 14 is formed in the first sieve tube 11, a second clamping groove 17 matched with the second clamping block 15 is formed in the second sieve tube 12, and the second sieve tube 12 and the third sieve tube 13 can be quickly mounted and dismounted through the arranged first clamping block 14 and the second clamping block 15, so that the sieve tubes can be conveniently cleaned and replaced.
The working principle of the utility model is as follows: firstly, the pipe body 1 is installed, the detachable sieve pipe 5 is installed on the upper sieve pipe 3, the second fixing plate 7 above the detachable sieve pipe 5 is fixed through the fixing component 8 on the first fixing plate 6 at the lower end of the upper sieve pipe 3, the fixing rod 81 is driven to move downwards to enter the groove 71 by applying pressure to the pressing plate 82 and penetrate through the second fixing plate 7, then the limiting block 84 is rotated to be vertical to the groove 71 and clamped at the bottom of the groove 71, namely, the first fixing plate 6 and the second fixing plate 7 are fixed, the detachable sieve pipe 5 is fixed on the upper sieve pipe 3, then, the detachable sieve pipes 5 with proper quantity are selected according to the actual production length requirement, two adjacent detachable sieve pipes 5 are fixed through the fixing component 8, when in fixing, the first fixing plate 6 at the lower end of one detachable sieve pipe 5 is aligned with the second fixing plate 7 at the upper end of the other detachable sieve pipe 5, then fix first fixed plate 6 and second fixed plate 7 through fixed subassembly 8, reach two fixed purposes of dismantling screen pipe 5, it is further, reuse fixed subassembly 8 with lower screen pipe 4 fix on last section can dismantle screen pipe 5, rethread connector 2 will go up screen pipe 3 and connect on arranging the mining system and can use, in the use, through first screen pipe 11, second screen pipe 12 and third screen pipe 13 carry out a lot of filtration, and the filter effect is improved, prevent to arrange the mining system and appear blockking up, guarantee that coal bed gas well row adopts going on smoothly of work.
Claims (10)
1. The screen pipe for the multi-coal layer lamination of the coal bed gas well comprises a pipe body (1), wherein a connector (2) is arranged at the top end of the pipe body (1), and is characterized in that the pipe body (1) comprises an upper screen pipe (3) and a lower screen pipe (4), and a plurality of detachable screen pipes (5) are arranged between the upper screen pipe (3) and the lower screen pipe (4);
a first fixing plate (6) is arranged at the lower end of the upper sieve tube (3), and a fixing assembly (8) is arranged on the first fixing plate (6);
the upper end of the lower sieve tube (4) is provided with a second fixing plate (7);
the upper end of the detachable sieve tube (5) is provided with a second fixing plate (7), and the lower end of the detachable sieve tube (5) is provided with a first fixing plate (6).
2. The screen pipe for laminating multiple coal layers in a coal bed gas well as recited in claim 1, wherein the fixing assembly (8) comprises a fixing rod (81) penetrating through the first fixing plate (6), one end of the fixing rod (81) is provided with a pressing plate (82), the other end of the fixing rod is provided with a limiting block (84), the fixing rod (81) is rotatably connected with the pressing plate (82), and an elastic member (83) is sleeved outside the fixing rod (81).
3. The screen pipe for laminating the coal bed gas well with the coal bed gas well as the screen pipe for laminating the coal bed gas well with the coal bed gas well are characterized in that grooves (71) matched with the fixing rods (81) are formed in the second fixing plate (7).
4. The screen pipe for laminating multiple coal beds in coal bed gas wells according to claim 1, wherein the second fixing plate (7) is provided with a sealing ring (9).
5. The screen pipe for laminating the coal bed gas well with the coal bed gas as claimed in claim 4, characterized in that the lower surface of the first fixing plate (6) is provided with a pressing block (10) matched with the sealing ring (9).
6. The screen pipe for laminating the coal bed gas well with the coal bed gas well as the screen pipe for laminating the coal bed gas well with the coal bed gas well are characterized in that a placing groove (72) is formed in the second fixing plate (7).
7. The screen for coal bed gas well multi-coal seam lamination according to claim 1, characterized in that the tubular body (1) comprises a first screen (11), a second screen (12) is arranged on the inner side of the first screen (11), and a third screen (13) is arranged on the inner side of the second screen (12).
8. The screen for coal bed gas well multi-coal seam jointing according to claim 7, wherein the screen opening of the first screen (11) is larger than the screen opening of the second screen (12), and the screen opening of the second screen (12) is larger than the screen opening of the third screen (13).
9. The screen for coal bed gas well multi-coal layer lamination as recited in claim 7, characterized in that a first block (14) is arranged on the outer side of the second screen (12), and a second block (15) is arranged on the outer side of the third screen (13).
10. The screen pipe for laminating multiple coal beds in a coal bed gas well as recited in claim 9, wherein the first screen pipe (11) is provided with a first clamping groove (16) matched with the first clamping block (14), and the second screen pipe (12) is provided with a second clamping groove (17) matched with the second clamping block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122497199.1U CN215632912U (en) | 2021-10-18 | 2021-10-18 | Sieve tube for multi-coal layer laminating of coal bed gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122497199.1U CN215632912U (en) | 2021-10-18 | 2021-10-18 | Sieve tube for multi-coal layer laminating of coal bed gas well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215632912U true CN215632912U (en) | 2022-01-25 |
Family
ID=79934991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122497199.1U Expired - Fee Related CN215632912U (en) | 2021-10-18 | 2021-10-18 | Sieve tube for multi-coal layer laminating of coal bed gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215632912U (en) |
-
2021
- 2021-10-18 CN CN202122497199.1U patent/CN215632912U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |