Coal seam gas extraction filtering device

Abstract

The utility model relates to the technical field of gas extraction, and discloses a coal seam gas extraction filtering device. The coal seam gas extraction filtering device comprises a filtering assembly, a filtering plate is mounted in the filtering assembly, a lifting rod is mounted at the upper end of the filtering plate, a scraping plate is mounted at the lower end of the lifting rod, a mounting plate is mounted at the upper end of the lifting rod, and a cooling assembly is mounted at the upper end of the filtering assembly; a cooling bin is installed at the upper end of the cooling assembly, a connecting opening is formed in the left side of the cooling bin, a sliding plate is installed at the lower end of the interior of the cooling bin, a refrigerator is installed at the upper end of the sliding plate, an outlet is formed in the upper end of the cooling bin, and a shielding structure is installed on the right side of the cooling bin. The coal seam gas extraction device has the advantages that the problems that impurities existing in coal seam gas cannot be completely filtered through a traditional extraction device, the purity is low during follow-up detection, and follow-up operation is affected are effectively solved, and the technical problems are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas extraction, in particular to a coal seam gas extraction and filtering device. Background Art

[0002] According to the extraction mechanism, gas extraction methods can be divided into: coal seam gas pre-extraction, pressure relief coal seam gas extraction and goaf gas extraction. During the extraction process, due to the different temperature differences between points, the water content of the coal rock itself or the water conduction in the cracks, condensed water and seepage water accumulate in the gas extraction system, affecting the normal operation of the extraction system, increasing the gas extraction resistance and reducing the gas extraction effect.

[0003] The existing Chinese utility model patent with reference announcement number CN202255992U discloses a coal seam gas extraction and filtering device, which is characterized by: comprising a processing tube (3) for collecting and filtering, one end of the processing tube (3) is provided with a collection hole (7) for collecting gas, a large plunger (5) is provided in the processing tube (3) and reciprocates along its axial direction, and is used to collect gas into the processing tube (3), a conduit (2) for pre-storing treatment liquid is axially connected to one side of the large plunger (5) corresponding to the other end of the processing tube (3), a group of fine holes are provided on the large plunger connected to the conduit (2), so that the conduit (2) and the processing tube (3) are connected, and a small plunger (4) is provided in the conduit (2) and reciprocates along its axial direction, and is used to press the pre-stored treatment liquid into the processing tube (3) through the fine holes. The beneficial effect of the utility model is that the device can effectively remove impurities such as dust and water vapor in the detected gas, reduce unnecessary interference, and thus make it more convenient for other testing instruments to test the corresponding gas content, and has the advantages of low cost, easy to carry, and small error.

[0004] Based on the search of the above patents and combined with the equipment in the prior art, it was found that an extraction device is required for coal seam gas extraction. The traditional extraction device cannot completely filter out the impurities inside the coal seam gas, resulting in low purity during subsequent testing, affecting subsequent operations. When the device is used to extract coal seam gas, the inside of the device is prone to blockage, resulting in low extraction efficiency. The existence of these problems affects the use of the device. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the shortcomings of the prior art, the utility model provides a coal seam gas extraction and filtering device, which has the advantages of effectively preventing traditional extraction devices from being unable to completely filter out impurities existing inside the coal seam gas, resulting in low purity during subsequent detection and affecting subsequent operations, thereby solving the above-mentioned technical problems.

[0007] Technical Solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal seam gas extraction and filtering device, comprising a filtering assembly, a cooling assembly for cooling the transported gas is installed at the upper end of the filtering assembly, and a conveying assembly for conveying the filtered gas is installed at the upper end of the cooling assembly;

[0009] A filter plate is installed inside the filter assembly, and a lifting rod is installed on the upper end of the filter plate, a scraper is installed on the lower end of the lifting rod, and a mounting plate is installed on the upper end of the lifting rod, and the mounting plate mounts the cooling assembly;

[0010] A cooling bin is installed at the upper end of the cooling component, a connecting port is installed at the left side of the cooling bin, a sliding plate is installed at the lower end of the interior of the cooling bin, and a refrigerator is installed at the upper end of the sliding plate, an outlet is installed at the upper end of the cooling bin, a shielding structure is installed at the right side of the cooling bin, and a storage box is installed at the right side of the shielding structure, the shielding structure is convenient for shielding the outlet, and the storage box stores impurities.

[0011] As a preferred technical solution of the utility model, a device shell is installed inside the filter assembly, and a pumping tube is installed at the lower right end of the device shell. The installation of the device shell facilitates the installation of the internal structure.

[0012] As a preferred technical solution of the utility model, a delivery pipe is installed at the upper end of the cooling assembly, and the delivery pipe delivers the filtered gas.

[0013] As a preferred technical solution of the utility model, a structural plate is installed on the upper end of the conveying component, and a connecting port is installed on the upper end of the structural plate, a telescopic rod is installed on the upper end of the connecting port, and a closing plate is connected to the left side of the telescopic rod, a drying plate is installed on the left side of the closing plate, and an output pipe is installed on the left side of the drying plate, and the output pipe discharges the gas.

[0014] As a preferred technical solution of the present utility model, the cooling assembly is installed at the upper end of the mounting plate in the filtering assembly, and the conveying assembly is installed at the upper end of the outlet in the cooling assembly.

[0015] As a preferred technical solution of the utility model, a take-out groove is installed on the right side of the upper end of the device shell, the pumping tube is inserted and connected to the device shell, the number of the filter plates is three, and a placement groove is installed at the lower end of the filter plate.

[0016] As the preferred technical solution of the utility model, the conveying pipe is a curved pipe, the conveying pipe is installed inside the connecting port, the sliding plate is an inclined structure, and an anti-fall plate is installed on the upper end, and the lower end of the shielding structure shields the debris port.

[0017] As a preferred technical solution of the utility model, the connecting port is connected to the outlet, the closing plate is installed at the upper end of the connecting port, the output pipe is installed on the upper left side of the device shell, and the number of the drying plates is three.

[0018] Compared with the prior art, the utility model provides a coal seam gas extraction and filtering device with the following beneficial effects:

[0019] 1. The utility model arranges all components, a device shell is installed in the filtering component, a filter plate is installed in the device shell, impurities in the gas are filtered through the filter plate, a lifting rod is installed at the upper end, the lifting rod drives the scraper at the lower end for use, so as to scrape the impurities on the upper end of the filter plate, a cooling bin is installed in the cooling component, the gas is frozen by the refrigerator inside the cooling bin, so as to cool and discharge the water and coal inside the gas, a sliding plate is installed at the lower end, the separated impurities are collected by the sliding plate, this structure is convenient for filtering and transporting the gas, and prevents the problem of blockage inside the device, and effectively prevents the need to use the extraction device when extracting coal seam gas. The traditional extraction device cannot completely filter the impurities existing in the coal seam gas, resulting in low purity during subsequent detection, affecting subsequent operations, and the inside of the device is prone to blockage when using the device to extract coal seam gas, resulting in low extraction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structural filtering assembly of the utility model;

[0022] Figure 3 This is a schematic diagram of the cooling assembly of the utility model structure;

[0023] Figure 4 This is a schematic diagram of the structural conveying assembly of the utility model;

[0024] Wherein: 1. Filter assembly; 101. Device shell; 102. Pumping pipe; 103. Filter plate; 104. Lifting rod; 105. Scraper; 106. Mounting plate; 2. Cooling assembly; 201. Delivery pipe; 202. Cooling bin; 203. Connecting port; 204. Slide plate; 205. Refrigerator; 206. Exit; 207. Shielding structure; 208. Storage box; 3. Delivery assembly; 301. Structural plate; 302. Connecting port; 303. Telescopic rod; 304. Closing plate; 305. Drying plate; 306. Output pipe. DETAILED DESCRIPTION

[0025] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0026] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] See also Figure 1 - Figure 4 In this embodiment, a coal seam gas extraction and filtering device includes: a filter assembly 1, a filter plate 103 is installed inside the filter assembly 1, and a lifting rod 104 is installed on the upper end of the filter plate 103, a scraper 105 is installed on the lower end of the lifting rod 104, and a mounting plate 106 is installed on the upper end of the lifting rod 104, a cooling assembly 2 is installed on the upper end of the cooling assembly 2, and a connecting port 203 is installed on the left side of the cooling bin 202, the A sliding plate 204 is installed at the lower end of the interior of the cooling bin 202, and a refrigerator 205 is installed at the upper end of the sliding plate 204. An outlet 206 is installed at the upper end of the cooling bin 202. A shielding structure 207 is installed on the right side of the cooling bin 202, and a storage box 208 is installed on the right side of the shielding structure 207. A conveying component 3 is connected and installed at the upper end of the cooling component 2. The cooling component 2 is installed on the upper end of the mounting plate 106 in the filtering component 1, and the conveying component 3 is installed at the upper end of the outlet 206 in the cooling component 2.

[0029] Through the above structure, the filter component 1 is convenient for installing the internal structure and filtering the impurities inside the gas, the cooling component 2 is convenient for cooling and filtering the transported gas, and the transport component 3 is convenient for filtering and transporting the filtered gas.

[0030] See also Figure 1 - Figure 4 A device shell 101 is installed inside the filter assembly 1, and a pumping tube 102 is installed at the lower right end of the device shell 101. A take-out groove is installed at the upper right end of the device shell 101. The pumping tube 102 is inserted and connected to the device shell 101. There are three filter plates 103, and a placement groove is installed at the lower end of the filter plate 103.

[0031] Through the above structure: the installation of the device shell 101 is convenient for installing the internal structure, the pumping pipe 102 transports the gas, the filter plate 103 is convenient for filtering impurities and dust inside the gas, the lifting rod 104 drives the lower end scraper 105 to be used, which is convenient for scraping impurities on the upper end of the filter plate 103, and the mounting plate 106 installs the cooling component 2.

[0032] See also Figure 1 - Figure 4 A delivery pipe 201 is installed at the upper end of the cooling component 2. The delivery pipe 201 is a curved pipe. The delivery pipe 201 is installed inside the connecting port 203. The sliding plate 204 is an inclined structure, and an anti-fall plate is installed at the upper end. The lower end of the shielding structure 207 shields the debris port.

[0033] Through the above structure: the filtered gas is transported through the installation of the delivery pipe 201, the cooling chamber 202 places the gas, the connecting port 203 facilitates the connection of the delivery pipe 201, the sliding plate 204 facilitates the transportation of fallen impurities, the refrigerator 205 facilitates the freezing of the gas, the outlet 206 discharges the impurities, the shielding structure 207 facilitates the shielding of the outlet 206, and the storage box 208 stores the impurities.

[0034] See also Figure 1 - Figure 4 A structural plate 301 is installed at the upper end of the conveying component 3, and a connecting port 302 is installed at the upper end of the structural plate 301, a telescopic rod 303 is installed at the upper end of the connecting port 302, and a closing plate 304 is connected to the left side of the telescopic rod 303, a drying plate 305 is installed on the left side of the closing plate 304, and an output pipe 306 is installed on the left side of the drying plate 305, the connecting port 302 is connected to the outlet 206, the closing plate 304 is installed at the upper end of the connecting port 302, the output pipe 306 is installed on the upper left side of the device shell 101, and the number of the drying plates 305 is three.

[0035] Through the above structure: the upper device is installed by installing the structural plate 301, the connecting port 302 is connected to the connecting port 203 for use, the telescopic rod 303 drives the closing plate 304 for use, so as to cover the connecting port 302, the drying plate 305 dries the gas, and the output pipe 306 discharges the gas.

[0036] When in use, first, the device is started, and the gas is pumped through the pumping pump inside the pumping pipe 102, and the gas is pumped into the device shell 101. The inside of the device shell 101 is separated by the mounting plate 106 and the upper structural plate 301, and the inside of the device shell 101 is divided into regions. The gas enters the device shell 101 and passes through the plurality of filter plates 103 structures by pumping. After passing through, the gas is pumped into the cooling bin 202 by the upper delivery pipe 201, and the refrigerator 205 inside the cooling bin 202 is started through the terminal to cool the gas. During cooling, the water, coal and impurities carried in the gas are cooled, and the cooled impurities fall due to their weight and fall into the sliding plate 204 at the lower end. At this time, the telescopic rod 303 at the upper end is started through the terminal to be connected to the telescopic rod 303. The connected closing plate 304 is connected, and the closing plate 304 is moved to allow the gas to reach the connecting port 302 through the outlet 206 at the upper end, and enter the conveying component 3 through the connecting port 302. The water vapor inside the gas is absorbed through the drying plate 305 installed in the conveying component 3, and the gas is discharged and tested through the output pipe 306 at the side end. In order to prevent blockage inside the device, the filter plate 103 is cleaned, and the lifting rod 104 at the upper end is driven. The lifting rod 104 is connected to the scraper 105 to clean both sides of the filter plate 103. After the filter plate 103 is cleaned, the cooling bin 202 at the upper end is cleaned, and the shielding structure 207 is opened through the terminal to allow the impurities to slide through the sliding plate 204 into the storage box 208, so as to facilitate subsequent cleaning by the staff.

[0037] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coal seam gas extraction and filtering device, characterized in that: The invention comprises a filter assembly (1), wherein a filter plate (103) is installed inside the filter assembly (1), and a lifting rod (104) is installed at the upper end of the filter plate (103), a scraper (105) is installed at the lower end of the lifting rod (104), and a mounting plate (106) is installed at the upper end of the lifting rod (104), a cooling assembly (2) is installed at the upper end of the filter assembly (1), and a cooling bin (202) is installed at the upper end of the cooling assembly (2), and the cooling bin (202) is provided with a cooling device (206). A connection port (203) is installed on the left side, a sliding plate (204) is installed on the lower end of the interior of the cooling bin (202), and a refrigerator (205) is installed on the upper end of the sliding plate (204), an outlet (206) is installed on the upper end of the cooling bin (202), a shielding structure (207) is installed on the right side of the cooling bin (202), and a storage box (208) is installed on the right side of the shielding structure (207), and a conveying component (3) is connected and installed on the upper end of the cooling component (2).

2. A coal seam gas extraction and filtering device according to claim 1, characterized in that: A device shell (101) is installed inside the filter assembly (1), and a pumping pipe (102) is installed at the lower right end of the device shell (101).

3. A coal seam gas extraction and filtering device according to claim 1, characterized in that: A delivery pipe (201) is installed at the upper end of the cooling assembly (2).

4. A coal seam gas extraction and filtering device according to claim 1, characterized in that: A structural plate (301) is installed at the upper end of the conveying assembly (3), and a connecting port (302) is installed at the upper end of the structural plate (301), a telescopic rod (303) is installed at the upper end of the connecting port (302), and a closing plate (304) is connected to the left side of the telescopic rod (303), a drying plate (305) is installed on the left side of the closing plate (304), and an output pipe (306) is installed on the left side of the drying plate (305).

5. A coal seam gas extraction and filtering device according to claim 1, characterized in that: The cooling component (2) is installed at the upper end of the mounting plate (106) in the filtering component (1), and the conveying component (3) is installed at the upper end of the outlet (206) in the cooling component (2).

6. A coal seam gas extraction and filtering device according to claim 2, characterized in that: A take-out slot is installed on the right side of the upper end of the device shell (101); the pumping tube (102) is inserted and connected to the device shell (101); there are three filter plates (103); and a placement slot is installed at the lower end of the filter plate (103).

7. A coal seam gas extraction and filtering device according to claim 3, characterized in that: The delivery pipe (201) is a curved pipe, and the delivery pipe (201) is installed inside the connection port (203). The sliding plate (204) is an inclined structure, and an anti-fall plate is installed at the upper end. The lower end of the shielding structure (207) shields the debris opening.

8. A coal seam gas extraction and filtering device according to claim 4, characterized in that: The connection port (302) is connected to the outlet (206), the closing plate (304) is installed at the upper end of the connection port (302), the output pipe (306) is installed on the left side of the upper end of the device shell (101), and the number of the drying plates (305) is three.

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