CN-224220996-U - Coalbed methane filtering device

CN224220996UCN 224220996 UCN224220996 UCN 224220996UCN-224220996-U

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, wherein a base is arranged at the bottom of the filtering box, a box door is arranged on one side surface of the filtering box through a hinge, a fixing plate is horizontally and fixedly connected to the inner center position of the filtering box, an air inlet pipe which is convenient for air inlet is horizontally arranged on one side surface of the filtering box, sliding grooves are horizontally formed in two sides of the inner bottom surface of the filtering box and two sides of the bottom surface of the fixing plate, and an adsorption plate which adsorbs gas impurities is vertically and movably arranged between every two groups of sliding grooves. In the utility model, when the filter box is used, coal bed gas to be filtered is conveyed into the filter box through the air inlet pipe, the whole air inlet pipe is in a horizontal L shape, the coal bed gas conveyed into the filter box is positioned below the bottom surface of the fixed plate, the impurities of the coal bed gas are adsorbed through the surfaces of the two groups of square grooves, the first filtration of the coal bed gas is completed, and the surfaces of each group of adsorption plates can be cleaned through the two groups of scrapers.

Inventors

ZHANG YUFEI
LI BOBO
CHENG CHAO
LI NINGNING
Miao Leiyun

Assignees

山西兰花煤层气有限公司

Dates

Publication Date: 20260512
Application Date: 20250328

Claims (5)

1. The coalbed methane filtering device is characterized by comprising a filtering box (1), a base (2) is arranged at the bottom of the filtering box (1), a box door (3) is installed on one side surface of the filtering box (1) through a hinge, a fixed plate (4) is horizontally and fixedly connected to the inner center position of the filtering box (1), an air inlet pipe (18) which is convenient for air inlet is horizontally installed on one side surface of the filtering box (1), sliding grooves (5) are horizontally arranged on two sides of the inner bottom surface of the filtering box (1) and two sides of the bottom surface of the fixed plate (4), an adsorption plate (6) which adsorbs gas impurities is vertically and movably arranged between every two groups of sliding grooves (5), a round hole (7) is vertically and downwardly arranged at the center position of the top surface of the fixed plate (4), a rotating rod (8) which can rotate is vertically and movably clamped on the inner side surface of the round hole (7), a driving motor (11) which drives the rotating rod (8) is vertically arranged at the top end of the round hole, fixing frames (12) which fix the driving motor (11) are vertically arranged on two side surfaces of the driving motor (4), a rectangular top surface of the fixed plate (4) is vertically provided with vent plates (14) which are arranged on two sides of the top surface of the fixed plate (13), the center of the top surface of the filter box (1) is vertically provided with an air outlet pipe (15) which is convenient for air discharge, the top of one side surface of the filter box (1) is horizontally provided with a square groove (16), and the inside of the square groove (16) is horizontally movably provided with a filter plate (17) which can horizontally move.
2. The coalbed methane filtering device according to claim 1, wherein the inside of the filtering box (1) is hollow and rectangular, one end of the air inlet pipe (18) horizontally extends to the inside of the filtering box (1), the whole of the air inlet pipe (18) is horizontally L-shaped, one end of the air inlet pipe (18) positioned in the inside of the filtering box (1) vertically downwards penetrates through the surface of the fixing plate (4) and is positioned below the bottom surface of the fixing plate (4).
3. The coalbed methane filtering device according to claim 1, wherein every two groups of corresponding sliding grooves (5) vertically correspond, two sides of each group of adsorption plates (6) are positioned in the corresponding sliding grooves (5) to horizontally slide, and the bottom surface of the rotating rod (8) is vertically downward positioned above the bottom surface of the inside of the filtering box (1).
4. The coalbed methane filtering device according to claim 1, wherein a limiting groove (9) for limiting the rotating rod (8) is horizontally formed in the round hole (7), a clamping plate (10) is horizontally and fixedly connected to the top surface of the rotating rod (8), the clamping plate (10) is located in the limiting groove (9) and is rotationally clamped, the whole of each fixing frame (12) is in a vertical L shape, and one end of each fixing frame (12) is fixedly connected to the top surface of the fixing plate (4).
5. The coalbed methane filtering device according to claim 1, wherein a filter screen is fixedly connected to the inner portion of the air outlet pipe (15) horizontally, a square groove (16) is communicated with the inner portion of the filtering box (1), one end of the filtering plate (17) horizontally extends to the inner portion of the filtering box (1), the filter screen is fixedly connected to the inner portion of the filtering plate (17) horizontally, and two groups of filter screen openings are gradually increased from top to bottom.

Description

Coalbed methane filtering device Technical Field The utility model relates to the technical field of filtering devices, in particular to a coal bed gas filtering device. Background Along with the exploitation and utilization of the coal bed gas, the safe and efficient exploitation of the coal bed gas becomes an increasingly important research field. The coalbed methane contains various impurities such as moisture, hydrogen sulfide, carbon dioxide, particulate matters and the like, and the impurities not only can influence the quality of the coalbed methane, but also can cause potential safety hazards such as equipment corrosion, gas leakage and the like in the transportation and application processes of the coalbed methane. Therefore, the purification and filtration of the coal bed gas become key links for guaranteeing the safe use of the coal bed gas. At present, common coalbed methane filtering devices in the market mainly rely on physical filtering, chemical adsorption and other modes to remove impurities in the coalbed methane. The conventional filtering device mostly adopts a static filtering mode, namely, gas is purified by a plurality of layers of filter screens or adsorbents. The filtering devices can effectively remove solid impurities in the coalbed methane to a certain extent, but the cleaning and replacing processes are complicated, and the filtering efficiency may be reduced along with the increase of the filtering time. To this end, we propose a coalbed methane filter device. Disclosure of utility model The utility model mainly solves the technical problems in the prior art and provides a coalbed methane filtering device. In order to achieve the above purpose, the technical scheme is that the coalbed methane filtering device comprises a filtering box, a base is arranged at the bottom of the filtering box, a box door is installed on one side surface of the filtering box through a hinge, a fixing plate is horizontally and fixedly connected to the inner center position of the filtering box, an air inlet pipe which is convenient for air inlet is horizontally installed on one side surface of the filtering box, sliding grooves are horizontally formed in two sides of the inner bottom surface of the filtering box and two sides of the bottom surface of the fixing plate, an adsorption plate which adsorbs gas impurities is vertically and movably arranged between every two groups of sliding grooves, a round hole is vertically formed in the center position of the top surface of the fixing plate downwards, a rotating rod which can rotate is vertically and movably clamped in the inside of the round hole, a driving motor which can drive the rotating rod is vertically arranged at the top end of the round hole, a fixing frame which can fix the driving motor is vertically arranged on two sides of the driving motor, scraping plates which can be cleaned are horizontally arranged on two sides of the outer surface of each group of the adsorption plate are horizontally arranged on the outer surface of the clamping plate, an air outlet pipe which is convenient for air discharge is vertically and horizontally arranged on the center position of the top surface of the filtering box, and a filter plate is horizontally and movably arranged in the inside of the filtering plate. Preferably, the inside of the filter box is hollow rectangle, one end of the air inlet pipe horizontally extends to the inside of the filter box, the whole air inlet pipe is in a horizontal L shape, and one end of the air inlet pipe positioned in the filter box vertically penetrates through the surface of the fixing plate downwards and is positioned below the bottom surface of the fixing plate. Preferably, every two groups of corresponding sliding grooves vertically correspond, two sides of each group of adsorption plates are positioned in the corresponding sliding grooves and horizontally slide, and the bottom surface of the rotating rod is vertically and downwardly positioned above the bottom surface of the inside of the filter box. Preferably, the inside level of round hole has been seted up and has been carried out spacing groove to the dwang, and the top surface level fixedly connected with joint board of dwang, and the joint board is located the inside rotation joint in spacing groove, and the whole of every group mount is vertical L shape, and the one end fixed connection of every group mount is on the top surface of fixed plate. Preferably, the inside level fixedly connected with filter screen of outlet duct, square groove are linked together with the inside of rose box, and the one end level of filter extends to the inside of rose box, and the inside level fixedly connected with filter screen of filter, two sets of filter screen net mouths from the top down increase gradually. The utility model provides a coalbed methane filtering device. The beneficial effects are as follows: This coalbed methane filter equipment, when using, carry the insi