Natural gas impurity filtering device

Abstract

The present invention discloses a natural gas impurity filtering device, which relates to the technical field of impurity separation. It comprises a shell and a distance adjustment component, wherein a top cover is mounted on the top of the shell by bolts, an air inlet pipe is mounted on the left end of the shell, an air outlet pipe is mounted on the right end of the shell, a connecting pipe is rotatably connected to the bottom of the top cover, a pressure plate is provided on the surface of the connecting pipe for limited sliding, a connecting frame is mounted on the inner wall surface of the shell, a slide is provided inside the connecting frame for limited sliding, a mounting frame is mounted on one end of the slide, a cleaning collection component is provided inside the mounting frame, and a roller is rotatably connected inside the mounting frame. The present invention can clean the surface of the filter element during the natural gas filtration process. Real-time cleaning of the filter element surface can effectively prevent impurities from accumulating inside the filter element, avoid wear of the filter element due to long-term impact of impurities, and reduce the risk of clogging; the cleaning collection component can clean impurities collected on the surface of the roller.

Claims

1. A natural gas impurity filtering device, characterized by: The invention comprises a shell (1), wherein a top cover (2) is mounted on the top of the shell (1) by means of bolts, an air inlet pipe (3) is mounted on the left end of the shell (1), an air outlet pipe (4) is mounted on the right end of the shell (1), a connecting pipe (8) is rotatably connected to the bottom of the top cover (2), a pressure plate (9) is provided on the surface of the connecting pipe (8) for limited sliding, a connecting frame (11) is mounted on the inner wall surface of the shell (1), a slide (12) is provided inside the connecting frame (11) for limited sliding, a mounting frame (13) is mounted on one end of the slide (12), a cleaning collection assembly is provided inside the mounting frame (13), and a roller (15) is rotatably connected inside the mounting frame (13); A distance adjustment component, the distance adjustment component includes a gear ring (141) installed on the top surface of the connecting pipe (8), and also includes a gear (142) installed on the bottom of the top cover (2), the gear ring (141) and the gear (142) are meshed, a rotating rod (143) is installed at the bottom of the gear (142), a sleeve (144) is provided on the surface of the rotating rod (143), the sleeve (144) is fixed on the pressure plate (9), an oil tank (145) is installed inside the pressure plate (9), and a connecting rod (149) is installed at the top of the pressure plate (9); Two groups of oil chambers are provided inside the oil tank (145), a piston rod A (146) slides in the oil chamber at the upper end of the oil tank (145), a piston rod B (147) slides in the oil chamber at the lower end of the oil tank (145), a pressure block (148) is installed at the end of the piston rod B (147), a slope is provided on the surface of the pressure block (148), and the surface of the pressure block (148) contacts the outer side of the vertical plate of the slide (12); A metal plate (91) is vertically mounted at the bottom edge of the pressure plate (9), an electromagnet (10) magnetically connected to the metal plate (91) is mounted on the side end of the housing (1), and the electromagnet (10) and the flow sensor (5) are both electrically connected to a controller mounted on the housing (1); The slide (12) is composed of three mutually parallel round rods and a vertical plate in a vertical combination. The connecting frame (11) is composed of an outer plate, four rods and an inner plate. The outer plate and the inner plate are fixedly connected by four rods. The vertical plate is located between the outer plate and the inner plate. The surfaces of the three round rods are all provided with springs. The ends of the springs provided on the surfaces of the round rods are respectively fixed to the vertical plate and the inner plate. The ends of the round rods pass through the holes on the inner plate and are connected to the outer side of the mounting frame (13). A spiral groove is provided on the surface of the sleeve (144), and a protrusion is installed at the bottom of the rotating rod (143), and the protrusion slides in the spiral groove on the surface of the sleeve (144) in a limited manner; The number of connecting rods (149) is three groups, and the three groups of connecting rods (149) are distributed in a circular shape on the surface of the pressure plate (9). The surface of the connecting rod (149) is provided with a spring, and the top end of the connecting rod (149) is limited and slides inside the top cover (2).

2. The natural gas impurity filtering device according to claim 1, characterized in that: A flow sensor (5) is installed on the air outlet pipe (4), and an air delivery pipe (6) is installed inside the housing (1). The top end of the air delivery pipe (6) is rotatably connected to a swivel, and a filter element (7) is sleeved on the surface of the swivel. The top end of the filter element (7) is sleeved on the surface of the connecting pipe (8).

3. The natural gas impurity filtering device according to claim 2, characterized in that: The side end of the air delivery pipe (6) is connected to the inner wall of the shell (1), and the air delivery pipe (6) is connected to the inside of the air outlet pipe (4).

4. The natural gas impurity filtering device according to claim 1, characterized in that: The cleaning and collection component includes a long plate (161) that is limited and slides inside the inner cavity of the mounting frame (13). A boss (164) is installed at one end of the long plate (161) close to the roller (15). An electric push rod (162) is installed on one side of the mounting frame (13) close to the connecting frame (11). The extending end of the electric push rod (162) penetrates through the mounting frame (13) and is connected to the end of the long plate (161) away from the boss (164). A groove is formed in the inner cavity of the mounting frame (13), and a collection bin (163) is vertically and closely slidably arranged in the groove. The collection bin (163) is in a "C" shape.

5. The natural gas impurity filtering device according to claim 4, characterized in that: The long plate (161) and the boss (164) are combined to form a scraper, and a chamfer is provided at the end of the boss (164).

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