Novel coal bed gas exploitation anti-reflection device

Abstract

The utility model discloses a novel coalbed methane exploitation anti-reflection device, which relates to the technical field of coalbed methane exploitation, and comprises a support plate, two arms on the left side of the support plate are rotatably connected with discs, the inner sides of the discs are rotatably connected with a bottom plate, the upper part of the bottom plate is connected with a U-shaped plate, the back side of the U-shaped plate is provided with a positioning mechanism, and the U-shaped plate is connected with the positioning mechanism. The top of the U-shaped plate is in threaded connection with a screw rod, the tail end of the screw rod is rotationally connected with a second bearing seat, the top end of the screw rod is fixedly connected with a rotating wheel, the bottom of the second bearing seat is fixedly connected with a top plate, and twelve drill rods are connected into the top plate. Through cooperation of a first positioning shaft, a second positioning shaft, a hinge rod, a guide rod and a guide sleeve, the bottom plate is driven to vertically ascend and descend, a drill rod is conveniently driven to drill a coal seam, then a microbial reaction solution rapidly permeates into the deep coal seam, and the anti-reflection effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coalbed methane extraction, in particular to a novel coalbed methane extraction permeability increasing device. Background Technique

[0002] The extraction of coalbed methane can not only improve the energy supply structure, effectively alleviate the energy crisis of insufficient fossil energy supply, but also promote the safe extraction of coal mines and reduce the emission of greenhouse gases, which has great economic, social and environmental significance. Due to the extremely high internal pressure in low-permeability coal seams, it will directly affect the coalbed methane production effect. Therefore, how to increase the production of coalbed methane has become an important research content in current coalbed methane development.

[0003] At present, coal seam permeability increasing technologies can generally be divided into physical methods, chemical methods and thermal methods. There are many chemical methods, such as acid and alkali methods, microbial methods, etc. Among them, the microbial method is an eco-friendly permeability increasing method. By adding microorganisms that can decompose organic substances, the organic substances in the coal seam are transformed and released, thereby improving the permeability of the coal seam. However, this method has high requirements for the coal seam geological conditions, the coal seam permeability is relatively low, and it is easy to slow down the process of microorganisms infiltrating from the surface layer into the deep coal seam, and it is difficult to achieve obvious effects in a short time. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a novel coalbed methane extraction permeability increasing device, which solves the problems put forward in the above background technique.

[0005] To achieve the above purposes, the utility model is realized through the following technical solutions: A novel coalbed methane extraction permeability increasing device, comprising:

[0006] A support plate, above which a booster pump and a microbial reaction solution tank are respectively connected from left to right. Both sides of the booster pump are connected with infusion pipes. One end of the left infusion pipe is connected with a water distribution pipe, and a plurality of spray heads are connected below the water distribution pipe. One end of the right infusion pipe extends into the interior of the microbial reaction solution tank;

[0007] On both sides of the left arm of the support plate, discs are rotatably connected. Inside the disc, a first positioning shaft is fixedly connected. One end of the first positioning shaft is rotatably connected to a hinge rod. One end of the hinge rod is rotatably connected to a second positioning shaft. One end of the second positioning shaft is connected to a bottom plate. The front side of the bottom plate is fixedly connected to a water distribution pipe. Twelve through holes are formed inside the bottom plate. Above the bottom plate, a U-shaped plate is connected. A positioning mechanism is arranged on the back side of the U-shaped plate. A screw rod is threadedly connected to the top of the U-shaped plate. The end of the screw rod is rotatably connected to a second bearing seat. The top of the screw rod is fixedly connected to a runner. The bottom of the second bearing seat is fixedly connected to a top plate. Twelve drill rods are connected inside the top plate. The ends of the drill rods penetrate inside the through holes;

[0008] A moving mechanism is arranged at the bottom of the support plate.

[0009] As a further technical solution of the present invention, bearings are respectively embedded in both sides of the left arm of the support plate. Inside the bearings, a second shaft rod is rotatably connected. One end of the second shaft rod is fixedly connected to the disc. A driving mechanism is arranged at the other end of the second shaft rod.

[0010] As a further technical solution of the present invention, the driving mechanism includes a servo motor. One end of the output shaft of the servo motor is connected to a second gear. The outside of the second gear is meshed and connected with a first gear. The inner ring of the first gear is fixedly connected to the second shaft rod.

[0011] As a further technical solution of the present invention, the positioning mechanism includes a U-shaped frame. The back side of the U-shaped frame is fixedly connected to the support plate. A guide rod is fixedly connected inside the U-shaped frame. A guide sleeve is slidably connected to the outside of the guide rod. One side of the guide sleeve is fixedly connected to the U-shaped plate.

[0012] As a further technical solution of the present invention, a threaded hole is formed at the top of the U-shaped plate. The threaded hole is threadedly connected with the screw rod.

[0013] As a further technical solution of the present invention, the moving mechanism includes two pairs of first bearing seats. The two pairs of first bearing seats are fixedly arranged at the bottom of the support plate from left to right in sequence. Inside one pair of first bearing seats, a first shaft rod is rotatably connected. Both ends of the first shaft rod are connected with wheels.

[0014] The present invention provides a new type of coalbed methane extraction and permeability enhancement device, which has the following beneficial effects compared with the prior art:

[0015] A new type of permeability enhancement device for coalbed methane extraction in this design drives the rotation of the second gear by starting the servo motor, and then drives the rotation of the first gear and the disc. Through the cooperation between the first positioning shaft, the second positioning shaft, the hinge rod, and the guide rod and the guide sleeve, the bottom plate is driven to move vertically up and down, facilitating the driving of the drill rod to drill holes in the coal seam, and then facilitating the rapid infiltration of the microbial reaction solution into the deep coal seam, improving the permeability enhancement effect. Brief Description of the Drawings

[0016] Figure 1 It is one of the overall structural schematic diagrams of a new type of permeability enhancement device for coalbed methane extraction;

[0017] Figure 2 It is the second of the overall structural schematic diagrams of a new type of permeability enhancement device for coalbed methane extraction;

[0018] Figure 3 It is an exploded view of the front side of the support plate in a new type of permeability enhancement device for coalbed methane extraction.

[0019] In the figure: 1. Microbial reaction solution tank; 2. Wheels; 3. Booster pump; 4. Liquid delivery pipe; 5. Support plate; 6. Disc; 7. Sprinkler head; 8. Water distribution pipe; 9. Bottom plate; 10. Drill rod; 11. Top plate; 12. U-shaped plate; 13. Runner; 14. First gear; 15. Second gear; 16. Servo motor; 17. Guide rod; 18. U-shaped frame; 19. First bearing seat; 20. First shaft rod; 21. Bearing; 22. Second shaft rod; 23. Guide sleeve; 24. Hinge rod; 25. Second bearing seat; 26. Screw; 27. Through hole; 28. Threaded hole; 29. First positioning shaft; 30. Second positioning shaft. Detailed Embodiment

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] Please refer to Figures 1-3 , the present invention provides a technical solution for a new type of permeability enhancement device for coalbed methane extraction: including: a support plate 5, above which a booster pump 3 and a microbial reaction solution tank 1 are respectively connected from left to right. Both sides of the booster pump 3 are connected with liquid delivery pipes 4. One end of the left liquid delivery pipe 4 is connected with a water distribution pipe 8, and several sprinkler heads 7 are connected below the water distribution pipe 8. One end of the right liquid delivery pipe 4 extends into the interior of the microbial reaction solution tank 1;

[0022] On both sides of the left arm of the support plate 5, discs 6 are rotatably connected. Inside the discs 6, a first positioning shaft 29 is fixedly connected. One end of the first positioning shaft 29 is rotatably connected to a hinge rod 24. One end of the hinge rod 24 is rotatably connected to a second positioning shaft 30. One end of the second positioning shaft 30 is connected to a bottom plate 9. The front side of the bottom plate 9 is fixedly connected to a water distribution pipe 8. Twelve through holes 27 are formed inside the bottom plate 9. Above the bottom plate 9, a U-shaped plate 12 is connected. A positioning mechanism is arranged on the back side of the U-shaped plate 12. A screw rod 26 is threadedly connected to the top of the U-shaped plate 12. The end of the screw rod 26 is rotatably connected to a second bearing seat 25. The top of the screw rod 26 is fixedly connected to a runner 13. The bottom of the second bearing seat 25 is fixedly connected to a top plate 11. Twelve drill rods 10 are connected inside the top plate 11. The ends of the drill rods 10 penetrate through the inside of the through holes 27.

[0023] As Figure 3 shown, bearings 21 are respectively embedded in the left arms of the support plate 5. Inside the bearings 21, a second shaft rod 22 is rotatably connected. One end of the second shaft rod 22 is fixedly connected to the disc 6. A driving mechanism is arranged at the other end of the second shaft rod 22. Through the connection between the bearing 21 and the second shaft rod 22, it is convenient for the disc 6 to rotate flexibly.

[0024] As Figure 2 shown, the driving mechanism includes a servo motor 16. One end of the output shaft of the servo motor 16 is connected to a second gear 15. The outside of the second gear 15 is meshed with a first gear 14. The inner ring of the first gear 14 is fixedly connected to the second shaft rod 22. When the servo motor 16 is turned on, the second gear 15 is driven to rotate, thereby driving the first gear 14 and the second shaft rod 22 to rotate, and then driving the disc 6 to rotate. Through the cooperation between the first positioning shaft 29, the second positioning shaft 30 and the hinge rod 24, as well as the guide rod 17 and the guide sleeve 23, the bottom plate 9 is driven to move vertically up and down.

[0025] As Figure 2 and Figure 3 shown, the positioning mechanism includes a U-shaped frame 18. The back side of the U-shaped frame 18 is fixedly connected to the support plate 5. A guide rod 17 is fixedly connected to the inside of the U-shaped frame 18. A guide sleeve 23 is slidably connected to the outside of the guide rod 17. One side of the guide sleeve 23 is fixedly connected to the U-shaped plate 12. Under the sliding connection of the guide rod 17 and the guide sleeve 23, it is beneficial to make the U-shaped plate 12 and the bottom plate 9 move vertically up and down.

[0026] As Figure 3 shown, a threaded hole 28 is formed at the top of the U-shaped plate 12. The threaded hole 28 is threadedly connected to the screw rod 26. By rotating the runner 13, the screw rod 26 is driven to rotate. Through the connection between the threaded hole 28 and the screw rod 26, it is convenient to drive the top plate 11 and the twelve drill rods 10 below it to move up and down.

[0027] As Figure 2As shown in the figure, a moving mechanism is provided at the bottom of the support plate 5. The moving mechanism includes two pairs of first bearing seats 19, and the two pairs of first bearing seats 19 are sequentially fixed to the bottom of the support plate 5 from left to right. A first shaft rod 20 is rotatably connected inside a pair of first bearing seats 19, and wheels 2 are connected to both ends of the first shaft rod 20. The staff pushes the support plate 5, and under the connection of the first bearing seats 19 and the first shaft rod 20, it is convenient for the wheels 2 to rotate, and thus it is convenient for the entire device to move.

[0028] The working principle of the present utility model is as follows: The staff pushes the support plate 5 to conveniently move the entire device to a designated position. Subsequently, the servo motor 16 is turned on to drive the second gear 15 to rotate, thereby driving the first gear 14 and the second shaft rod 22 to rotate, and then driving the disc 6 to rotate. Through the cooperation between the first positioning shaft 29, the second positioning shaft 30 and the hinge rod 24, as well as between the guide rod 17 and the guide sleeve 23, the bottom plate 9 is driven to vertically lift and lower. The staff can drive the screw rod 26 to rotate by rotating the runner 13. Through the connection between the screw hole 28 and the screw rod 26, it is convenient to drive the top plate 11 and the twelve drill rods 10 below it to lift and lower, so as to conveniently adjust the distance between the drill rods 10 and the coal seam, and then drill holes. At the same time, the booster pump 3 is turned on to conveniently introduce the microbial reaction solution into the nozzle 7 through the infusion pipe 4 and the water distribution pipe 8, and then spray it into the drill holes, so as to facilitate the rapid penetration of the microbial reaction solution into the deep coal seam and improve the permeability enhancement effect.

[0029] The above is only the preferred embodiment of the present utility model. It should be noted that for those of ordinary skill in the art of this technology, without departing from the principle of the present utility model, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model. The structures, devices, and operation methods not specifically described and explained in the present utility model, unless otherwise specifically stated and limited, are implemented according to the conventional means in the art.

Claims

1. A new type of coalbed methane mining permeability enhancement device, characterized in that: include: A support plate (5), wherein a booster pump (3) and a microbial reaction solution tank (1) are connected to the upper side of the support plate (5) from left to right, respectively; both sides of the booster pump (3) are connected to a liquid infusion tube (4); one end of the liquid infusion tube (4) on the left side is connected to a water distribution tube (8); a plurality of nozzles (7) are connected to the lower side of the water distribution tube (8); and one end of the liquid infusion tube (4) on the right side extends to the interior of the microbial reaction solution tank (1); The two arms on the left side of the support plate (5) are both rotatably connected to a disk (6), the inner side of the disk (6) is fixedly connected to a first positioning shaft (29), one end of the first positioning shaft (29) is rotatably connected to a hinge rod (24), one end of the hinge rod (24) is rotatably connected to a second positioning shaft (30), one end of the second positioning shaft (30) is connected to a bottom plate (9), the front side of the bottom plate (9) is fixedly connected to a water distribution pipe (8), twelve through holes (27) are provided inside the bottom plate (9), and the bottom plate (9) is provided with a plurality of through holes (27). ) is connected to a U-shaped plate (12) above, a positioning mechanism is arranged on the back side of the U-shaped plate (12), a screw rod (26) is threadedly connected to the top of the U-shaped plate (12), the end of the screw rod (26) is rotatably connected to a second bearing seat (25), the top of the screw rod (26) is fixedly connected to a rotating wheel (13), the bottom of the second bearing seat (25) is fixedly connected to a top plate (11), twelve drill rods (10) are connected to the inside of the top plate (11), and the ends of the drill rods (10) pass through the inside of the through hole (27); A moving mechanism is provided at the bottom of the support plate (5).

2. A novel coalbed methane mining and permeability enhancement device according to claim 1, characterized in that: The two arms on the left side of the support plate (5) are respectively embedded with bearings (21), and the interior of the bearing (21) is rotatably connected to a second shaft rod (22), one end of the second shaft rod (22) is fixedly connected to the disc (6), and the other end of the second shaft rod (22) is provided with a driving mechanism.

3. A novel coalbed methane mining and permeability enhancement device according to claim 2, characterized in that: The driving mechanism comprises a servo motor (16), one end of the output shaft of the servo motor (16) is connected to a second gear (15), the outer side of the second gear (15) is meshingly connected to a first gear (14), and the inner ring of the first gear (14) is fixedly connected to a second shaft (22).

4. A novel coalbed methane mining and permeability enhancement device according to claim 1, characterized in that: The positioning mechanism comprises a U-shaped frame (18), the back side of the U-shaped frame (18) is fixedly connected to the support plate (5), the inner side of the U-shaped frame (18) is fixedly connected to a guide rod (17), the outer side of the guide rod (17) is slidably connected to a guide sleeve (23), and one side of the guide sleeve (23) is fixedly connected to the U-shaped plate (12).

5. The novel coalbed methane mining permeability enhancement device according to claim 1 is characterized in that: A screw hole (28) is provided on the top of the U-shaped plate (12), and the screw hole (28) is threadedly connected to the screw rod (26).

6. A novel coal-bed methane mining and permeability enhancement device according to claim 1, characterized in that: The moving mechanism comprises two pairs of first bearing seats (19), which are fixed to the bottom of the support plate (5) from left to right in sequence, and a first shaft rod (20) is rotatably connected inside a pair of the first bearing seats (19), and both ends of the first shaft rod (20) are connected to wheels (2).

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