Automatic steady-flow degassing device for coal rock gas

Abstract

The utility model relates to the technical field of coal and rock gas, and provides an automatic steady-flow degassing device for coal and rock gas, which comprises a tank body, a plurality of filter covers are fixedly mounted on the inner side of the tank body, filter frames are fixedly mounted on one sides of the filter covers, and one sides of three of the filter frames are fixedly connected with the other sides of the filter covers; according to the automatic steady-flow degassing device for the coal rock gas, a coal bed gas mixture entering the tank body can be subjected to multi-layer filtering treatment through filtering holes in the tank body under the action of a filtering cover and a filtering frame in the tank body, and a main rotating rod drives a scraping rod and a scraping groove to rotate on the filtering frame; through the continuous rotation of the scraping groove along with the scraping rod, the impurities in the scraping groove can be more conveniently rotated to the position of the scraping ring to be collected into the storage box; therefore, the cleaning effect of the whole degassing device on impurities in the coal bed gas mixture is improved, and the self-cleaning effect on the degassing device is further facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of coal-rock gas, and in particular to an automatic steady-flow degassing device for coal-rock gas. Background Art

[0002] Coalbed methane refers to hydrocarbon gas stored in coal seams with methane as the main component, which is partially free in coal pores or dissolved in coal seam water. It is a mineral resource associated with coal and a clean energy source.

[0003] A Chinese patent discloses an automatic steady-flow double-layer degassing device for coalbed methane well logging, with the publication number CN218339044U. The article states that "it includes a degassing main shell, the degassing main shell is a shell composed of a bottom shell and an airflow upper shell, the bottom shell and the airflow upper shell are formed together in a triangular cam shape, the bottom shell is a shell made of an arc, the airflow upper shell is a shell made of three sides, an air outlet slot is opened on the upper part of the airflow upper shell, and the air outlet slot on the airflow upper shell of the degassing main shell is a through slot made of a long strip"; in the process of the coalbed methane flowing into the degassing device for stirring, since the coalbed methane contains a large amount of dust and impurities after the underground mining upstream, when the degassing and stirring operation is directly performed on this part of the coalbed methane through the degassing device, the effect of the overall device on the degassing of the coalbed methane may be reduced, and the traditional degassing device cannot perform more efficient filtering and impurity removal after filtration, thereby reducing the degassing efficiency of the overall degassing device. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic steady-flow degassing device for coal rock gas, which solves the problem in the related technology that the traditional degassing device cannot perform more efficient filtering and impurity removal after filtration during use, thereby reducing the degassing efficiency of the overall degassing device.

[0005] The technical solution of the utility model is as follows:

[0006] A coal-rock gas automatic steady-flow degassing device comprises a tank body, a plurality of filter covers are fixedly installed on the inner side of the tank body, a filter frame is fixedly installed on one side of the plurality of filter covers, wherein one side of three of the filter frames is fixedly connected to the other side of the filter cover, a main rotating rod is rotatably connected to the inner side of the filter cover and the filter frame, a scraper rod is rotatably connected to the inner side of the filter frame, the top end of the scraper rod is fixedly connected to the outer side of the main rotating rod, the bottom end of the scraper rod is rotatably connected to a secondary rotating rod, a scraping groove is fixedly installed on the outer side of the secondary rotating rod, a rotating ball is rotatably connected to the outer side of the scraping groove and the other end of the scraper rod, and a contraction spring is fixedly installed between the two rotating balls.

[0007] Preferably, a steering rack is fixedly mounted on the inner side of the bottom of the filter frame, and a steering gear is fixedly mounted on one end of the auxiliary rotating rod.

[0008] Preferably, a plurality of first filter holes, second filter holes, third filter holes and fourth filter holes are respectively formed on the inner sides of the filter cover and the filter frame.

[0009] Preferably, a material storage box is fixedly installed at the bottom of the filter cover, a rotating rod is rotatably connected to the interior of the material storage box, and a plurality of scraper rings are fixedly installed on the outer side of the rotating rod.

[0010] Preferably, a rotating gear is fixedly mounted on one end of the rotating rod, and a displacement rack is toothedly connected on the outer side of the rotating gear.

[0011] Preferably, an outer cover is fixedly mounted on the outer side of the storage box, an electric telescopic rod is fixedly mounted on the inner side wall of the outer cover, and the telescopic end of the electric telescopic rod is fixedly connected to one end of the displacement rack.

[0012] Preferably, a driving motor is fixedly installed on the other end of the main rotating rod, a shell is fixedly installed on the outside of the driving motor, one side of the shell is fixedly connected to the outside of the filter cover, the top of the tank body is connected to an air outlet groove, and the two ends of the tank body are respectively connected to an input pipe and an output pipe.

[0013] Preferably, a switch panel is fixedly installed on the outer side of the tank body, and an electric telescopic rod switch and a drive motor switch are respectively fixedly installed on the surface of the switch panel. The electric telescopic rod is electrically connected to the external power supply through the electric telescopic rod switch, and the drive motor is electrically connected to the external power supply through the drive motor switch.

[0014] Beneficial effects of the utility model:

[0015] Through the action of the filter cover and filter frame set inside the tank body, the coalbed methane mixture entering the tank body can be subjected to multi-layer filtration treatment through the filter holes thereon, and the scraper rod and the scraper groove are driven to rotate on the filter frame by the main rotating rod, so that the impurities remaining after filtration on the filter frame can be collected, and the scraper groove follows the continuous rotation of the scraper rod, so that the impurities inside the scraper groove can be more easily rotated to the scraper ring position to be collected into the storage box, thereby improving the cleaning effect of the overall degassing device on the impurities inside the coalbed methane mixture and making it easier for it to self-clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the tank of the utility model;

[0019] Figure 3 This is a schematic diagram of the filter frame structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the material storage box of the utility model;

[0021] Figure 5 This is a schematic diagram of the scraper structure of the utility model;

[0022] In the figure: 1. tank body; 2. filter cover; 3. filter frame; 4. main rotating rod; 5. scraper rod; 6. auxiliary rotating rod; 7. scraper groove; 8. rotating ball; 9. contraction spring; 10. steering rack; 11. steering gear; 12. first filter hole; 13. second filter hole; 14. third filter hole; 15. fourth filter hole; 16. storage box; 17. rotating rotating rod; 18. scraper ring; 19. rotating gear; 20. displacement rack; 21. outer cover; 22. electric telescopic rod; 23. driving motor; 24. outer shell; 25. air outlet groove; 26. input pipe; 27. output pipe. DETAILED DESCRIPTION

[0023] The following will be combined with 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 of 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.

[0024] See also Figure 2 and Figure 4The present embodiment proposes an automatic steady-flow degassing device for coal-rock gas, comprising a tank body 1. When the degassing device is used to degas a coal-bed methane mixture, the mixture can first be transported to the inside of the tank body 1. A plurality of filter covers 2 are fixedly installed on the inner side of the tank body 1. A filter frame 3 is fixedly installed on one side of the plurality of filter covers 2. One side of the three filter frames 3 is fixedly connected to the other side of the filter cover 2. After multi-layer filtration through the plurality of filter frames 3 and the filter cover 2, the entire mixture can be filtered and degassed at the same time. After filtration, The impurities remain on the filter frame 3. The main rotating rod 4 is rotatably connected to the inner side of the filter cover 2 and the filter frame 3. The scraper rod 5 is rotatably connected to the inner side of the filter frame 3. The top of the scraper rod 5 is fixedly connected to the outer side of the main rotating rod 4. The main rotating rod 4 drives the scraper rod 5 and the scraper groove 7 to rotate on the filter frame 3, so that the impurities on it can be scraped off and fall to the bottom position by gravity. The bottom end of the scraper rod 5 is rotatably connected to the auxiliary rotating rod 6. The scraper groove 7 is fixedly installed on the outer side of the auxiliary rotating rod 6. The outer side of the scraper groove 7 and the other end of the scraper rod 5 are rotatably connected to rotating balls 8. A contraction spring 9 is fixedly installed between the rotating balls 8. When the steering gear 11 on the auxiliary rotating rod 6 is not in contact with the steering rack 10, the scraper groove 7 is acted upon by the contraction spring 9 so that the outer side of the scraper groove 7 can be rotated to a position that fits the outer side of the scraper rod 5, so that most of the impurities of the scraper rod 5 can be moved down to the scraper groove 7 during scraping. When the scraper groove 7 continues to rotate so that the steering gear 11 on the auxiliary rotating rod 6 is in contact with the steering rack 10, the scraper rod 5 can continue to rotate so that the auxiliary rotating rod 6 can act on the steering gear 11 through the steering rack 10. The scraper groove 7 is driven to rotate toward the outside of the scraper rod 5, and the position of the scraper groove 7 is gradually rotated to fit with the inner side of the bottom of the filter cover 2, so that the impurities inside the scraper groove 7 can be discharged downward more conveniently. A steering rack 10 is fixedly installed on the inner side of the bottom of the filter frame 3, and a steering gear 11 is fixedly installed on one end of the auxiliary rotating rod 6. A plurality of first filter holes 12, second filter holes 13, third filter holes 14 and fourth filter holes 15 are respectively opened on the inner sides of the filter cover 2 and the filter frame 3. The filter cover 2 and the filter frame 3 play an efficient impurity removal and filtering treatment on the mixture;

[0025] See also Figure 1 , Figure 3 as well as Figure 5The present embodiment proposes an automatic steady flow degassing device for coal and rock gas. When the scraper rod 5 drives the scraper groove 7 to rotate to fit with the bottom of the filter frame 3, a storage box 16 is fixedly installed at the bottom of the filter cover 2. A rotating rotating rod 17 is rotatably connected inside the storage box 16. A plurality of scraper rings 18 are fixedly installed on the outer side of the rotating rotating rod 17. A rotating gear 19 is fixedly installed at one end of the rotating rotating rod 17. A displacement rack 20 is meshed and connected on the outer side of the rotating gear 19. An outer cover 21 is fixedly installed on the outer side of the storage box 16. An electric telescopic rod 22 is fixedly installed on the inner side wall of the outer cover 21. The telescopic end of the electric telescopic rod 22 is fixedly connected to one end of the displacement rack 20. The electric telescopic rod 22 inside the outer cover 21 drives the displacement rack 20 to slide, thereby driving the rotation through the rotating gear 19. The rotating rod 17 rotates so that the scraper ring 18 on the rotating rotating rod 17 can rotate to the inside of the scraper groove 7 to scrape off the impurities stored in the scraper groove 7. The storage box 16 can also close its top position by rotating the scraper ring 18. A driving motor 23 is fixedly installed on the other end of the main rotating rod 4, and a shell 24 is fixedly installed on the outside of the driving motor 23. One side of the shell 24 is fixedly connected to the outside of the filter cover 2. An air outlet groove 25 is connected to the top of the tank body 1, and an input pipe 26 and an output pipe 27 are respectively connected to the two ends of the tank body 1. The driving motor 23 is used to drive the main rotating rod 4 and the scraper rod 5 to rotate, and stir the mixture inside the tank body 1, so that when the coalbed methane inside the tank body 1 is degassed, the gas is stably discharged from the air outlet groove 25 to the outside.

[0026] The scraper ring 18 on the rotating shaft 17 is rotated to remove the impurities on the inner side of the scraper groove 7, and the impurities on the inner side of the scraper groove 7 are removed by the filter cover 2 and the filter frame 3.

[0027] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A coal-rock gas automatic steady flow degassing device, characterized in that: The invention comprises a tank body (1), wherein a plurality of filter covers (2) are fixedly mounted on the inner side of the tank body (1), a filter frame (3) is fixedly mounted on one side of the plurality of filter covers (2), wherein one side of three of the filter frames (3) is fixedly connected to the other side of the filter cover (2), a main rotating rod (4) is rotatably connected to the inner side of the filter cover (2) and the filter frame (3), a scraper rod (5) is rotatably connected to the inner side of the filter frame (3), the top end of the scraper rod (5) is fixedly connected to the outer side of the main rotating rod (4), the bottom end of the scraper rod (5) is rotatably connected to a secondary rotating rod (6), a scraping groove (7) is fixedly mounted on the outer side of the secondary rotating rod (6), a rotating ball (8) is rotatably connected to the outer side of the scraping groove (7) and the other end of the scraper rod (5), and a contraction spring (9) is fixedly mounted between the two rotating balls (8).

2. The automatic steady flow degassing device for coal rock gas according to claim 1, characterized in that: A steering rack (10) is fixedly mounted on the inner side of the bottom of the filter frame (3), and a steering gear (11) is fixedly mounted on one end of the auxiliary rotating rod (6).

3. The automatic steady flow degassing device for coal rock gas according to claim 1, characterized in that: A plurality of first filter holes (12), a second filter hole (13), a third filter hole (14) and a fourth filter hole (15) are respectively provided on the inner sides of the filter cover (2) and the filter frame (3).

4. The automatic steady flow degassing device for coal rock gas according to claim 1, characterized in that: A material storage box (16) is fixedly mounted on the bottom of the filter cover (2), a rotating rod (17) is rotatably connected to the interior of the material storage box (16), and a plurality of scraper rings (18) are fixedly mounted on the outer side of the rotating rod (17).

5. The automatic steady flow degassing device for coal rock gas according to claim 4, characterized in that: A rotating gear (19) is fixedly mounted on one end of the rotating rod (17), and a displacement rack (20) is toothedly connected on the outer side of the rotating gear (19).

6. The automatic steady flow degassing device for coal rock gas according to claim 5, characterized in that: An outer cover (21) is fixedly mounted on the outer side of the material storage box (16), an electric telescopic rod (22) is fixedly mounted on the inner side wall of the outer cover (21), and the telescopic end of the electric telescopic rod (22) is fixedly connected to one end of the displacement rack (20).

7. The automatic steady flow degassing device for coal rock gas according to claim 6, characterized in that: A driving motor (23) is fixedly mounted on the other end of the main rotating rod (4), a housing (24) is fixedly mounted on the outer side of the driving motor (23), one side of the housing (24) is fixedly connected to the outer side of the filter cover (2), the top of the tank body (1) is connected to an air outlet groove (25), and the two ends of the tank body (1) are respectively connected to an input pipe (26) and an output pipe (27).

8. The automatic steady flow degassing device for coal rock gas according to claim 7, characterized in that: A switch panel is fixedly mounted on the outer side of the tank body (1), and an electric telescopic rod switch and a drive motor switch are respectively fixedly mounted on the surface of the switch panel. The electric telescopic rod (22) is electrically connected to an external power source via the electric telescopic rod switch, and the drive motor (23) is electrically connected to an external power source via the drive motor switch.

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