Coal bed gas filtering device

Abstract

The utility model relates to the technical field of filtering devices, and discloses a coal bed gas filtering device which comprises a filtering box, a base is arranged at the bottom of the filtering box, a box door is installed on the surface of one side of the filtering box through hinges, and a fixing plate is horizontally and fixedly connected to the center of the interior of the filtering box. And an air inlet pipe facilitating air inlet is horizontally installed on the surface of one side of the filtering box, sliding grooves are horizontally formed in the two sides of the surface of the bottom in the filtering box and the two sides of the surface of the bottom of the fixing plate, and an adsorption plate for adsorbing gas impurities is vertically and movably arranged between every two sets of sliding grooves. When the coal bed gas filter is used, coal bed gas needing to be filtered is conveyed into the filter box through the gas inlet pipe, the whole gas inlet pipe is in a horizontal L shape, the coal bed gas conveyed into the filter box is located below the bottom surface of the fixing plate, coal bed gas impurities are adsorbed through the surfaces of the two groups of square grooves, and the coal bed gas is filtered for the first time; and the surfaces of each group of adsorption plates can be cleaned through the two groups of scraping plates.

Description

Technical Field

[0001] This utility model relates to the field of filtration device technology, and in particular to a coalbed methane filtration device. Background Technology

[0002] With the increasing exploitation and utilization of coalbed methane (CBM), its safe and efficient extraction has become an increasingly important research area. CBM contains various impurities, such as moisture, hydrogen sulfide, carbon dioxide, and particulate matter. These impurities not only affect the quality of CBM but may also cause safety hazards such as equipment corrosion and gas leaks during transportation and application. Therefore, the purification and filtration of CBM are crucial for ensuring its safe use.

[0003] Currently, common coalbed methane filtration devices on the market mainly rely on physical filtration and chemical adsorption to remove impurities from coalbed methane. Traditional filtration devices mostly use static filtration, where gas is purified by passing through multiple layers of filter screens or adsorbents. These filtration devices can effectively remove solid impurities from coalbed methane to a certain extent, but their cleaning and replacement processes are relatively cumbersome, and their filtration efficiency may decrease with increasing filtration time.

[0004] Therefore, we propose a coalbed methane filtration device. Utility Model Content

[0005] The present invention aims to solve the technical problems existing in the prior art and provide a coalbed methane filtration device.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a coalbed methane filtration device, including a filter box, a base at the bottom of the filter box, a door mounted on one side of the filter box via a hinge, a fixing plate horizontally fixed at the center of the filter box, an air inlet pipe horizontally mounted on one side of the filter box for easy air intake, horizontally grooved grooves on both sides of the bottom surface of the filter box and the bottom surface of the fixing plate, an adsorption plate for adsorbing gas impurities vertically movable between every two sets of grooves, and a vertically downward-facing circular hole at the center of the top surface of the fixing plate. A rotating rod is movably engaged downwards. A drive motor that rotates the rod is vertically mounted at the top of the round hole. Fixing brackets that secure the drive motor are vertically mounted on both sides of the drive motor. Rectangular ventilation holes are vertically arranged on both sides of the top surface of the fixing plate to facilitate ventilation. Scrapers for cleaning the outer surface of each adsorption plate are horizontally mounted on both sides of the outer surface of the engaging plate. An exhaust pipe for facilitating gas discharge is vertically mounted at the center of the top surface of the filter box. A square groove is horizontally opened on the top of one side surface of the filter box, and a horizontally movable filter plate is horizontally mounted inside the groove.

[0007] Preferably, the interior of the filter box is a hollow rectangle, one end of the air inlet pipe extends horizontally into the interior of the filter box, the air inlet pipe is horizontally L-shaped, and the end of the air inlet pipe inside the filter box passes vertically downward through the surface of the fixing plate and is located below the bottom surface of the fixing plate.

[0008] Preferably, each pair of corresponding slides are vertically aligned, with the two sides of each adsorption plate sliding horizontally inside the corresponding slide, and the bottom surface of the rotating rod vertically downward above the bottom surface inside the filter box.

[0009] Preferably, the inside of the circular hole is provided with a limiting groove for limiting the rotation rod, and a snap-fit ​​plate is fixedly connected to the top surface of the rotation rod. The snap-fit ​​plate is located inside the limiting groove and is rotated and snapped. The overall shape of each set of fixing frames is vertical L-shaped, and one end of each set of fixing frames is fixedly connected to the top surface of the fixing plate.

[0010] Preferably, a filter screen is horizontally fixedly connected inside the air outlet pipe, the square groove is connected to the inside of the filter box, one end of the filter plate extends horizontally into the inside of the filter box, and a filter screen is horizontally fixedly connected inside the filter plate. The mesh openings of the two sets of filter screens gradually increase from top to bottom.

[0011] This utility model provides a coalbed methane filtration device. It has the following beneficial effects:

[0012] This coalbed methane filtration device, in use, delivers the coalbed methane to be filtered into the filter box through an inlet pipe. The inlet pipe is horizontally L-shaped. The coalbed methane delivered into the filter box is located below the bottom surface of the fixed plate. Impurities in the coalbed methane are adsorbed by the surfaces of two sets of square grooves, completing the first filtration of the coalbed methane. The drive motor is started via the control panel, which drives the rotating rod and scraper to rotate. The two sets of scrapers can clean the surface of each set of adsorption plates, facilitating their continued use. The two ends of each set of adsorption plates slide horizontally inside the sliding grooves, making it easy to replace the adsorption plates. The filtered gas is discharged upwards to the top of the filter box through the ventilation holes. The gas can be filtered a second time through the filter plates. The filtered gas is then discharged through the outlet pipe. This device is simple and highly practical. Attached Figure Description

[0013] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0014] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the filter box of this utility model;

[0017] Figure 3 This is a schematic diagram of the cleaning component structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the top surface structure of the fixing plate of this utility model.

[0019] Legend:

[0020] 1. Filter box; 2. Base; 3. Box door; 4. Fixing plate; 5. Slide groove; 6. Adsorption plate; 7. Round hole; 8. Rotating rod; 9. Limiting groove; 10. Snap-fit ​​plate; 11. Drive motor; 12. Fixing frame; 13. Scraper; 14. Ventilation hole; 15. Air outlet pipe; 16. Square groove; 17. Filter plate; 18. Air inlet pipe. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] Example: A coalbed methane filtration device, such as Figures 1-4 As shown, the filter includes a filter box 1. Four sets of bases 2 are vertically fixedly connected to the bottom surface of the filter box 1 to support it. A door 3 is installed on one side of the filter box 1 via a hinge. The interior of the filter box 1 is a hollow rectangle. A fixing plate 4 is horizontally fixedly connected to the center of the interior of the filter box 1. An air intake pipe 18 is horizontally installed on one side of the filter box 1 to facilitate air intake. One end of the air intake pipe 18 extends horizontally into the interior of the filter box 1. The air intake pipe 18 is horizontally L-shaped. The end of the air intake pipe 18 inside the filter box 1 vertically passes through the surface of the fixing plate 4 and is located below the bottom surface of the fixing plate 4. The bottom surface of the interior of the filter box 1 is connected to the bottom of the fixing plate 4 on both sides. The surface has horizontally opened grooves 5 on both sides, and each pair of corresponding grooves 5 are vertically aligned. Between each pair of grooves 5, an adsorption plate 6 for adsorbing gaseous impurities is vertically movable. The two sides of each adsorption plate 6 are located inside the corresponding groove 5 and slide horizontally. A circular hole 7 is vertically opened downward at the center of the top surface of the fixed plate 4. A rotating rod 8 is vertically and movablely engaged inside the circular hole 7. The bottom surface of the rotating rod 8 is vertically and downward above the bottom surface inside the filter box 1. A limiting groove 9 is horizontally opened inside the circular hole 7 to limit the rotation rod 8. A locking plate 10 is horizontally fixedly connected to the top surface of the rotating rod 8. The locking plate 10 is located inside the limiting groove 9 and rotates and engages.

[0024] A drive motor 11, which drives the rotating rod 8 to rotate, is vertically mounted at the top of the round hole 7. Fixing brackets 12, which fix the drive motor 11, are vertically mounted on both sides of the drive motor 11. Each set of fixing brackets 12 is vertically L-shaped, and one end of each set of fixing brackets 12 is fixedly connected to the top surface of the fixing plate 4. Rectangularly arranged ventilation holes 14 are vertically opened downwards on both sides of the top surface of the fixing plate 4 to facilitate ventilation. Scrapers for cleaning the outer surface of each set of adsorption plates 6 are horizontally mounted on both sides of the outer surface of the snap-fit ​​plate 10. 13. A gas outlet pipe 15 is vertically installed at the center of the top surface of the filter box 1 to facilitate gas discharge. A filter screen is horizontally fixed inside the gas outlet pipe 15. A square groove 16 is horizontally opened at the top of one side surface of the filter box 1. The square groove 16 is connected to the inside of the filter box 1. A horizontally movable filter plate 17 is horizontally installed inside the square groove 16. One end of the filter plate 17 extends horizontally into the inside of the filter box 1. A filter screen is horizontally fixed inside the filter plate 17. The mesh openings of the two sets of filter screens gradually increase from top to bottom.

[0025] Working principle: During use, the coalbed methane to be filtered is transported to the interior of the filter box 1 through the air inlet pipe 18. The air inlet pipe 18 is horizontally L-shaped. The coalbed methane transported to the interior of the filter box 1 is located below the bottom surface of the fixed plate 4. Impurities in the coalbed methane are adsorbed by the surfaces of the two sets of square grooves 16, completing the first filtration of the coalbed methane. The drive motor 11 is started through the control panel, which drives the rotating rod 8 and the scraper 13 to rotate. The two sets of scrapers 13 can clean the surface of each set of adsorption plates 6, making it convenient for the adsorption plates 6 to be reused. The two ends of each set of adsorption plates 6 slide horizontally inside the sliding groove 5, which makes it convenient to replace the adsorption plates 6. The filtered gas is discharged upward to the top of the filter box 1 through the ventilation hole 14. The gas can be filtered a second time through the filter plate 17. The filtered gas is discharged through the air outlet pipe 15. This device is simple and highly practical.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A coalbed methane filtration device, characterized in that: The filter box (1) includes a base (2) at its bottom, a door (3) on one side of the filter box (1) via a hinge, a fixing plate (4) horizontally fixed at the center of the filter box (1), an air inlet pipe (18) for easy air intake on one side of the filter box (1), and horizontally opened grooves (5) on both sides of the bottom surface of the filter box (1) and the bottom surface of the fixing plate (4). An adsorption plate (6) for adsorbing gas impurities is vertically and movably arranged between every two sets of grooves (5). A circular hole (7) is vertically and downwardly opened at the center of the top surface of the fixing plate (4). A rotating rod (8) that can rotate is vertically and downwardly engaged inside the circular hole (7). The top of the filter box (1) is vertically equipped with a drive motor (11) that drives the rotating rod (8) to rotate. The two sides of the drive motor (11) are vertically equipped with a fixing frame (12) for fixing the drive motor (11). The top surface of the fixing plate (4) is vertically opened with ventilation holes (14) arranged in a rectangular pattern for ventilation. The outer surface of the snap plate (10) is horizontally equipped with scrapers (13) for cleaning the outer surface of each adsorption plate (6). The center of the top surface of the filter box (1) is vertically equipped with an exhaust pipe (15) for gas discharge. The top of one side surface of the filter box (1) is horizontally opened with a square groove (16). The inside of the square groove (16) is horizontally equipped with a filter plate (17) that can move horizontally.

2. The coalbed methane filtration device according to claim 1, characterized in that: The interior of the filter box (1) is a hollow rectangle. One end of the air inlet pipe (18) extends horizontally into the interior of the filter box (1). The air inlet pipe (18) is horizontally L-shaped. One end of the air inlet pipe (18) inside the filter box (1) passes vertically downward through the surface of the fixing plate (4) and is located below the bottom surface of the fixing plate (4).

3. The coalbed methane filtration device according to claim 1, characterized in that: Each pair of corresponding chutes (5) are vertically aligned, and the two sides of each set of adsorption plates (6) slide horizontally inside the corresponding chutes (5). The bottom surface of the rotating rod (8) is vertically downward and located above the bottom surface inside the filter box (1).

4. The coalbed methane filtration device according to claim 1, characterized in that: The circular hole (7) has a horizontally opening limiting groove (9) for limiting the rotation rod (8). The top surface of the rotation rod (8) is horizontally fixedly connected to a snap-fit ​​plate (10). The snap-fit ​​plate (10) is located inside the limiting groove (9) and rotates and snaps. The entire set of fixing frames (12) is vertically L-shaped. One end of each set of fixing frames (12) is fixedly connected to the top surface of the fixing plate (4).

5. A coalbed methane filtration device according to claim 1, characterized in that: The air outlet pipe (15) is horizontally fixedly connected to a filter screen. The square groove (16) is connected to the inside of the filter box (1). One end of the filter plate (17) extends horizontally into the inside of the filter box (1). The filter plate (17) is horizontally fixedly connected to a filter screen. The mesh openings of the two sets of filter screens gradually increase from top to bottom.

Images