Coal bed gas mining and filtering treatment equipment

Abstract

The utility model discloses coal bed gas mining and filtering treatment equipment, which belongs to the technical field of coal bed gas mining and comprises a cyclone separator, the side surface of the top of the cyclone separator is communicated with a gas inlet, the bottom surface of the cyclone separator is communicated with a discharge port, and the top of the cyclone separator is communicated with a gas outlet; the top of the crushing mechanism communicates with the discharging opening, and the bottom of the crushing mechanism is detachably connected with a first coal receiving box; the filtering mechanism comprises an outer barrel and a filtering barrel, the filtering barrel is sleeved with the outer barrel, the two ends of the filtering barrel abut against the inner wall of the outer barrel, a pipeline is fixedly connected to the top of the outer barrel, one end of the pipeline communicates with the air outlet, the other end of the pipeline extends into the filtering barrel to communicate with the filtering barrel, a discharging pipe is arranged on the side wall of the outer barrel, and a second coal receiving box is correspondingly arranged at the bottom of the filtering barrel; the cleaning mechanism is arranged in the filtering barrel. A part of large crushed coal in coal bed gas is separated through the cyclone separator, pulverized coal entering the filtering barrel is reduced, the cleaning mechanism cleans the inner wall of the filtering barrel, the filtering effect of the filtering barrel is guaranteed, and the replacement frequency of the filtering barrel is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal bed gas mining, in particular to a coal bed gas mining filtering and processing device. Background Art

[0002] Coalbed methane refers to hydrocarbon gas stored in coal seams with methane as the main component, mainly adsorbed on the surface of coal matrix particles, and partially free in coal pores or dissolved in coal seam water. It is a companion mineral resource of coal and an unconventional natural gas. It is a clean, high-quality energy and chemical raw material that has emerged internationally in the past 10 to 20 years. Filtering devices are often required in the process of coalbed methane extraction.

[0003] When filtering coalbed methane, existing filtering devices often directly use filter nets to clean impurities in the coalbed methane. However, after the filter net has been used for a period of time, a large amount of coal dust accumulates on the surface, affecting the filtering efficiency, and it needs to be cleaned or replaced frequently. However, existing filtering and processing equipment is not convenient for cleaning the filter net. A large amount of coal dust also shortens the cleaning cycle or use cycle of the filter net, and the cleaning workload is large.

[0004] Therefore, a coalbed methane mining filtering and processing equipment is proposed. Utility Model Content

[0005] In order to solve the above technical problems, the utility model proposes a coalbed methane mining filtering and processing equipment.

[0006] To achieve the above purpose, the utility model provides a coalbed methane mining filtering and processing equipment, comprising:

[0007] A cyclone separator, wherein the top side of the cyclone separator is connected to an air inlet, the bottom surface of the cyclone separator is connected to a discharge port, and the top of the cyclone separator is connected to an air outlet;

[0008] A crushing mechanism, the top of which is connected to the discharge port, and the bottom of which is detachably connected to a first coal receiving box;

[0009] The filtering mechanism comprises an outer cylinder and a filter barrel, wherein the outer cylinder is sleeved outside the filter barrel, the two ends of the filter barrel abut against the inner wall of the outer cylinder, a pipeline is fixedly connected to the top of the outer cylinder, one end of the pipeline is connected to the air outlet, and the other end extends into the filter barrel and is connected to the filter barrel, a discharge pipe is opened on the side wall of the outer cylinder, and a second coal receiving box is correspondingly arranged at the bottom of the filter barrel;

[0010] The cleaning mechanism is arranged inside the filter barrel.

[0011] Preferably, the cleaning mechanism includes a cleaning brush circumferentially arranged inside the filter barrel, the outer side of the cleaning brush abuts against the inner wall of the filter barrel, a mounting plate is fixedly connected to the top of several cleaning brushes, the outer side of the mounting plate is sealingly and rotatably connected to the inner wall of the top of the filter barrel, a driven wheel is fixedly connected to the top of the mounting plate, the driven wheel is meshingly connected to a driving wheel, and the driving wheel is fixedly connected to a cleaning motor; the pipeline passes through the center of the driven wheel and the center of the mounting plate to connect to the interior of the filter barrel, and is sealingly and rotatably connected to the mounting plate.

[0012] Preferably, the driven wheel and the driving wheel outer covers are provided with dustproof casings, and the pipeline passes through the dustproof casings; the cleaning motor is fixedly connected to the outside of the dustproof casing, and the output shaft of the cleaning motor passes through the dustproof casing and is fixedly connected to the driving wheel.

[0013] Preferably, the bottom of the outer cylinder is open, and a bottom cover is detachably connected to the bottom of the outer cylinder. The top surface of the bottom cover abuts against the bottom surface of the filter barrel, and the center of the bottom cover corresponds to the opening of the filter barrel, and a second coal receiving box is detachably connected in the hole.

[0014] Preferably, a flange plate is provided on the outer side of the bottom of the outer cylinder, the bottom cover and the flange plate are connected by bolts, and a sealing gasket is abutted between the flange plate and the bottom cover.

[0015] Preferably, a limiting ring is fixedly connected to the center of the bottom cover, and the inner wall of the limiting ring abuts against the outer wall of the filter barrel.

[0016] Preferably, the crushing mechanism includes a crushing shell, two rotating shafts are rotatably connected inside the upper part of the crushing shell, rotating rollers are fixedly connected to the outside of the rotating shafts, the two rotating rollers are meshingly connected inside the crushing shell, one end of the two rotating rollers extends out of the crushing shell and are respectively fixedly connected to gears, the two gears are meshed with each other, and a crushing motor is fixedly connected to any rotating shaft extending out of the gear.

[0017] Preferably, a draw-out opening is provided on the outer side of the bottom of the crushing shell, and the first coal receiving box is slidably connected to the draw-out opening.

[0018] Preferably, a connecting ring is fixedly connected to the outer wall of the outer cylinder, a supporting beam is fixedly connected to the outer circumference of the connecting ring, and a supporting leg is fixedly connected to the outer bottom of the supporting beam.

[0019] Compared with the prior art, the utility model has the following advantages and technical effects:

[0020] The coalbed methane first enters the cyclone separator from the air inlet, and the large pieces of broken coal in the coalbed methane are separated by the cyclone separator and discharged from the discharge port into the crushing mechanism to be crushed. The crushing mechanism crushes the broken coal to release the coalbed methane inside the broken coal. The crushed coal powder falls into the first coal receiving box and is collected. The coalbed methane flows upward and is discharged from the air outlet, enters the filter mechanism through the pipeline and is filtered by the filter barrel. The filtered coal powder accumulates on the inner wall of the filter barrel, and falls into the second coal receiving box from the bottom of the filter barrel after being cleaned by the cleaning mechanism and is collected; the filtered coalbed methane enters the outer cylinder and is then discharged through the discharge pipe. When the present application processes the coalbed methane in the mining process, the coalbed methane is first separated by a cyclone separator for a part of the large pieces of broken coal, and the broken coal is crushed to release the coalbed methane inside it, while reducing the coal powder entering the filter barrel, reducing the filtering burden of the filter barrel, and reducing the number of times the filter barrel is replaced and cleaned; in addition, the cleaning mechanism can clean the inner wall of the filter barrel to ensure the filtering effect of the filter barrel, further reducing the number of times the filter barrel is disassembled and replaced, and reducing manual labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0022] Figure 1 This is a schematic diagram of the structure of the coalbed methane mining, filtering and processing equipment of the utility model;

[0023] Figure 2 This is a top cross-sectional view of the crushing mechanism in the utility model;

[0024] Figure 3 This is a front cross-sectional view of the filtering mechanism and the cleaning mechanism in the utility model;

[0025] Figure 4 It is a side sectional view of the filtering mechanism and the cleaning mechanism in the utility model.

[0026] In the figure: 1. cyclone separator; 2. air inlet; 3. discharge port; 4. air outlet; 5. first coal receiving box; 6. outer cylinder; 7. filter barrel; 8. pipeline; 9. discharge pipe; 10. crushing motor; 11. cleaning plate brush; 12. mounting plate; 13. driven wheel; 14. driving wheel; 15. cleaning motor; 16. dustproof casing; 17. bottom cover; 18. second coal receiving box; 19. flange plate; 20. limit ring; 21. crushing casing; 22. rotating shaft; 23. rotating roller; 24. gear; 25. connecting ring; 26. support beam; 27. support leg. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0029] Reference Figures 1 to 4 As shown, this embodiment provides a coalbed methane mining filtering and processing device, including:

[0030] The cyclone separator 1 has a top side connected to an air inlet 2, a bottom surface connected to a discharge port 3, and a top of the cyclone separator 1 connected to an air outlet 4;

[0031] The crushing mechanism is connected to the discharge port 3 at the top and is detachably connected to the first coal receiving box 5 at the bottom;

[0032] The filtering mechanism includes an outer cylinder 6 and a filter barrel 7. The outer cylinder 6 is sleeved outside the filter barrel 7. Both ends of the filter barrel 7 abut against the inner wall of the outer cylinder 6. A pipeline 8 is fixedly connected to the top of the outer cylinder 6. One end of the pipeline 8 is connected to the gas outlet 4, and the other end extends into the filter barrel 7 and is connected to the filter barrel 7. A discharge pipe 9 is opened on the side wall of the outer cylinder 6, and a second coal receiving box 18 is correspondingly provided at the bottom of the filter barrel 7.

[0033] The cleaning mechanism is arranged inside the filter barrel 7.

[0034] The coalbed methane first enters the cyclone separator 1 from the air inlet 2, and the large pieces of broken coal in the coalbed methane are separated by the cyclone separator 1 and discharged from the discharge port 3 to fall into the crushing mechanism to be crushed. The crushing mechanism crushes the broken coal to release the coalbed methane inside the broken coal, and the crushed coal powder falls into the first coal receiving box 5 to be collected, and the coalbed methane flows upward and is discharged from the air outlet 4, enters the filtering mechanism through the pipeline 8 and is filtered by the filter barrel 7, and the filtered coal powder accumulates on the inner wall of the filter barrel 7, and after being cleaned by the cleaning mechanism, falls from the bottom of the filter barrel 7 into the second coal receiving box 18 to be collected; the filtered coalbed methane enters the outer tube 6, and is finally discharged through the discharge pipe 9. When the present application processes the coalbed methane in the mining process, the coalbed methane is first separated from a part of the large pieces of broken coal by the cyclone separator 1, and the broken coal is crushed to release the coalbed methane inside, while reducing the coal powder entering the filter barrel 7, reducing the filtering burden of the filter barrel 7, and reducing the number of times the filter barrel 7 is replaced and cleaned; in addition, the cleaning mechanism can clean the inner wall of the filter barrel 7 to ensure the filtering effect of the filter barrel 7, further reducing the number of times the filter barrel 7 is disassembled and replaced, and reducing manual labor.

[0035] To further optimize the solution, the cleaning mechanism includes a cleaning brush 11 circumferentially arranged inside the filter barrel 7, the outer side of the cleaning brush 11 abuts against the inner wall of the filter barrel 7, a mounting plate 12 is fixedly connected to the top of a number of cleaning brushes 11, the outer side of the mounting plate 12 is sealingly and rotatably connected to the inner wall of the top of the filter barrel 7, a driven wheel 13 is fixedly connected to the top of the mounting plate 12, the driven wheel 13 is meshingly connected to the driving wheel 14, and the driving wheel 14 is fixedly connected to a cleaning motor 15; the pipeline 8 passes through the center of the driven wheel 13 and the center of the mounting plate 12 to connect to the interior of the filter barrel 7, and is sealingly and rotatably connected to the mounting plate 12.

[0036] The cleaning motor 15 drives the driving wheel 14 to rotate, and the driving wheel 14 drives the driven wheel 13 to rotate, and the driven wheel 13 causes the mounting plate 12 to rotate, and then drives a plurality of cleaning brushes 11 fixed to the mounting plate 12 to rotate, so as to scrape the coal powder accumulated on the inner wall of the filter barrel 7, so that it falls into the second coal receiving box 18 below to be collected, and at the same time, the coal powder accumulation is prevented from affecting the filtering effect;

[0037] Furthermore, the mounting plate 12 and the inner wall of the filter barrel 7 , and the mounting plate 12 and the pipeline 8 are all connected in a sealed rotation via sealed bearings, which ensures that the driven wheel 13 drives the cleaning brush 11 to rotate without affecting the sealing of the filter barrel 7 .

[0038] To further optimize the solution, the outer covers of the driven wheel 13 and the driving wheel 14 are provided with a dustproof casing 16, and the pipeline 8 passes through the dustproof casing 16; the cleaning motor 15 is fixedly connected to the outside of the dustproof casing 16, and the output shaft of the cleaning motor 15 passes through the dustproof casing 16 and is fixedly connected to the driving wheel 14.

[0039] The dustproof housing 16 prevents dust from falling on the driven wheel 13 and the driving wheel 14 and provides an installation position for the cleaning motor 15 .

[0040] To further optimize the solution, the bottom of the outer tube 6 is open, and a bottom cover 17 is detachably connected to the bottom of the outer tube 6. The top surface of the bottom cover 17 abuts against the bottom surface of the filter barrel 7. The center of the bottom cover 17 corresponds to the opening of the filter barrel 7, and a second coal receiving box 18 is detachably connected in the hole.

[0041] The bottom cover 17 is detachably connected to the outer cylinder 6. After the bottom cover 17 is removed, the filter barrel 7 can be further removed to facilitate replacement of the filter barrel 7. The hole in the center of the bottom cover 17 facilitates the coal ash in the filter barrel 7 to fall into the second coal receiving box 18.

[0042] Furthermore, the second coal receiving box 18 is threadedly sealed to the hole in the center of the bottom cover 17 .

[0043] According to a further optimization scheme, a flange plate 19 is provided on the outer side of the bottom of the outer cylinder 6 , the bottom cover 17 and the flange plate 19 are connected by bolts, and a sealing gasket is abutted between the flange plate 19 and the bottom cover 17 .

[0044] The bolt connection is easy to disassemble and the gasket maintains the sealing performance.

[0045] To further optimize the solution, a limiting ring 20 is fixedly connected to the center of the bottom cover 17, and the inner wall of the limiting ring 20 abuts against the outer wall of the filter barrel 7.

[0046] The limiting ring 20 is used to limit the installation position of the filter barrel 7.

[0047] A further optimized solution is that the crushing mechanism includes a crushing shell 21, two rotating shafts 22 are rotatably connected inside the upper part of the crushing shell 21, and a rotating roller 23 is fixedly connected to the outside of the rotating shaft 22. The two rotating rollers 23 are meshingly connected in the crushing shell 21, and one end of the two rotating rollers 23 extends out of the crushing shell 21 and is respectively fixedly connected to a gear 24, and the two gears 24 are meshed with each other. Any rotating shaft 22 extends out of the gear 24 and is fixedly connected to a crushing motor.

[0048] The crushing motor 10 drives the rotating shaft 22, and the rotating shaft 22 drives the gear 24 connected thereto to rotate. The two gears 24 mesh and transmit, so that the rotating shaft 22 rotates, and then the two rotating rollers 23 rotate relatively, so as to crush the fallen coal.

[0049] According to a further optimized solution, a draw-out opening is provided on the outer side of the bottom of the crushing shell 21, and the first coal receiving box 5 is slidably connected in the draw-out opening.

[0050] The crushed coal powder falls into the first coal receiving box 5 below, and the first coal receiving box 5 can be pulled out from the pull-out opening, so that the coal powder in the first coal receiving box 5 can be collected and processed.

[0051] According to a further optimized solution, a connecting ring 25 is fixedly connected to the outer wall of the outer tube 6 , a supporting beam 26 is fixedly connected to the outer circumference of the connecting ring 25 , and a supporting leg 27 is fixedly connected to the outer bottom of the supporting beam 26 .

[0052] The supporting legs 27 cooperate with the supporting beams 26 and the connecting rings 25 to lift the outer tube 6, so as to facilitate the installation and removal of the bottom cover 17 and the second coal receiving box 18.

[0053] The parts not described in detail in the present invention are all conventional technical means known to those skilled in the art.

[0054] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0055] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A coalbed methane mining and filtering equipment, characterized in that: include: A cyclone separator (1), wherein the top side of the cyclone separator (1) is connected to an air inlet (2), the bottom surface of the cyclone separator (1) is connected to a discharge port (3), and the top of the cyclone separator (1) is connected to an air outlet (4); A crushing mechanism, the top of which is connected to the discharge port (3), and the bottom of which is detachably connected to a first coal receiving box (5); The filtering mechanism comprises an outer cylinder (6) and a filter barrel (7), wherein the outer cylinder (6) is sleeved outside the filter barrel (7), the two ends of the filter barrel (7) abut against the inner wall of the outer cylinder (6), a pipeline (8) is fixedly connected to the top of the outer cylinder (6), one end of the pipeline (8) is connected to the gas outlet (4), and the other end extends into the interior of the filter barrel (7) and is connected to the filter barrel (7), a discharge pipe (9) is provided on the side wall of the outer cylinder (6), and a second coal receiving box (18) is correspondingly provided at the bottom of the filter barrel (7); The cleaning mechanism is arranged inside the filter barrel (7).

2. The coalbed methane mining and filtering treatment equipment according to claim 1, characterized in that: The cleaning mechanism comprises a cleaning brush (11) circumferentially arranged inside the filter barrel (7), the outer side of the cleaning brush (11) abuts against the inner wall of the filter barrel (7), a plurality of the tops of the cleaning brushes (11) are fixedly connected with a mounting plate (12), the outer side of the mounting plate (12) is sealingly rotatably connected with the inner wall of the top of the filter barrel (7), the top of the mounting plate (12) is fixedly connected with a driven wheel (13), the driven wheel (13) is meshingly connected with a driving wheel (14), and the driving wheel (14) is fixedly connected with a cleaning motor (15); the pipeline (8) passes through the center of the driven wheel (13) and the center of the mounting plate (12) to communicate with the inside of the filter barrel (7), and is sealingly rotatably connected with the mounting plate (12).

3. The coalbed methane mining and filtering treatment equipment according to claim 2 is characterized in that: The driven wheel (13) and the driving wheel (14) are covered with a dustproof housing (16), and the pipeline (8) passes through the dustproof housing (16); the cleaning motor (15) is fixedly connected to the outside of the dustproof housing (16), and the output shaft of the cleaning motor (15) passes through the dustproof housing (16) and is fixedly connected to the driving wheel (14).

4. The coalbed methane mining and filtering treatment equipment according to claim 1, characterized in that: The bottom of the outer cylinder (6) is open, and a bottom cover (17) is detachably connected to the bottom of the outer cylinder (6). The top surface of the bottom cover (17) abuts against the bottom surface of the filter barrel (7). The center of the bottom cover (17) corresponds to an opening of the filter barrel (7), and a second coal receiving box (18) is detachably connected in the hole.

5. The coalbed methane mining and filtering treatment equipment according to claim 4 is characterized in that: A flange plate (19) is provided on the outer side of the bottom of the outer cylinder (6); the bottom cover (17) and the flange plate (19) are connected by bolts; a sealing gasket is abutted between the flange plate (19) and the bottom cover (17).

6. The coalbed methane mining and filtering treatment equipment according to claim 4 is characterized in that: The center of the bottom cover (17) is fixedly connected to a limiting ring (20), and the inner wall of the limiting ring (20) abuts against the outer wall of the filter barrel (7).

7. The coalbed methane mining and filtering treatment equipment according to claim 1, characterized in that: The crushing mechanism comprises a crushing shell (21), two rotating shafts (22) are rotatably connected inside the upper part of the crushing shell (21), a rotating roller (23) is fixedly connected to the outside of the rotating shaft (22), the two rotating rollers (23) are meshingly connected inside the crushing shell (21), one end of the two rotating rollers (23) extends out of the crushing shell (21) and is respectively fixedly connected to a gear (24), the two gears (24) are meshed with each other, and any rotating shaft (22) extends out of the gear (24) and is fixedly connected to a crushing motor (10).

8. The coalbed methane mining and filtering treatment equipment according to claim 7, characterized in that: The outer side of the bottom of the crushing shell (21) is provided with a draw-out opening, and the first coal receiving box (5) is slidably connected in the draw-out opening.

9. The coalbed methane mining, filtering and processing equipment according to claim 1, characterized in that: A connecting ring (25) is fixedly connected to the outer wall of the outer cylinder (6), a supporting beam (26) is fixedly connected to the outer circumference of the connecting ring (25), and a supporting leg (27) is fixedly connected to the outer bottom of the supporting beam (26).

Images