Filter separator

Abstract

The utility model belongs to the technical field of natural gas, and discloses a filter separator, which comprises a main body device used for feeding and discharging natural gas and coarse filtration, and a switching device arranged in the middle of the main body device and used for placing double filter elements and rotatably switching the filter elements, two pressing assemblies used for pressing and sealing from the two sides are symmetrically arranged on the two sides of the switching device. The switching device comprises a switching frame, a rotating frame is arranged at the top of the switching frame, a rotating shaft is rotatably mounted between the switching frame and the rotating frame, a motor is mounted on one side of the rotating shaft, and a working filter element and a standby filter element are symmetrically arranged in the rotating frame up and down. According to the filter separator disclosed by the utility model, the filter element is automatically replaced by rotating and switching the filter element, so that the replacement operation of the filter element is simplified; due to the arrangement of the double filter elements, replacement is facilitated; and through the arrangement of pressing seals on the two sides, the sealing performance of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of natural gas, in particular to a filter separator. Background Art

[0002] Natural gas refers to all gases that exist naturally in nature, including gases formed by various natural processes in the atmosphere, hydrosphere, and lithosphere. The natural gas filter separator is a three-stage filtration equipment that uses the mechanism of centrifugal separation, wire mesh capture and condensation interception to perform coarse filtration, semi-fine filtration and fine filtration on natural gas. It is an efficient purification device for removing solid and liquid impurities in the gas. It has high purification efficiency, large dust holding capacity, stable operation, low investment and operation costs, and is easy to install and use. It is suitable for various gases such as natural gas, city gas, mine gas, liquefied petroleum gas, and air. It is an indispensable purification equipment for industrial sectors such as petrochemicals, metallurgy, and gas.

[0003] By comparison, a Chinese patent with authorization announcement number CN218710223U discloses a natural gas filter separator, including a support leg, the top of the support leg is fixedly connected to a tank body, an air intake head is installed on the left side of the tank body, a coarse filter frame is installed on the right end of the air intake head, the top of the coarse filter frame is fixedly connected to the tank body, a cleaning assembly is installed on the top of the tank body, the cleaning assembly cooperates with the coarse filter frame, a filter element bracket is installed inside the tank body, a fine filter element is clamped inside the filter element bracket, a locking assembly is installed between the fine filter element and the filter element bracket, and an exhaust head is fixedly connected to the top of the tank body.

[0004] The above patent adopts the setting of manually replacing the filter element, which is complicated to operate. Therefore, a new device needs to be designed. Utility Model Content

[0005] The purpose of the utility model is to provide a filter separator to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A filter separator, comprising a main body device for natural gas inlet and outlet and coarse filtering, and also comprising a switching device for placing double filter elements and rotating and switching filter elements, arranged in the middle of the main body device, wherein two pressing assemblies for pressing and sealing from both sides are symmetrically arranged on both sides of the switching device;

[0008] The switching device comprises a switching frame, a rotating frame is arranged on the top of the switching frame, a rotating shaft is rotatably installed between the switching frame and the rotating frame, a motor is installed on one side of the rotating shaft, and a working filter element and a spare filter element are symmetrically arranged in the rotating frame;

[0009] The clamping assembly includes a mounting plate, a fixed tube is arranged on one side of the mounting plate, a sliding sleeve is slidably installed on one end of the fixed tube away from the mounting plate, a push plate is arranged on the side of the sliding sleeve away from the fixed tube, a sealing ring is arranged on the side of the push plate away from the sliding sleeve, and a plurality of electric push rods are evenly arranged on the push plate and the mounting plate.

[0010] Furthermore: the main device includes a frame, a coarse filter box is installed on one side of the top of the frame, an air inlet pipe is installed on the side of the top of the coarse filter box away from the frame, a plurality of coarse filter plates are arranged in the coarse filter box, an air outlet box is installed on the side of the top of the frame away from the coarse filter box, and an air outlet pipe is arranged on the top of the air outlet box.

[0011] Furthermore: the rotating frame is in the shape of an "8".

[0012] Furthermore: the spare filter element is snap-connected to the rotating frame, and a plastic dustproof film is provided on the surface of the spare filter element.

[0013] Furthermore: the electric push rods are provided with two, and the sealing ring is made of silicone.

[0014] Furthermore: four coarse filter plates are provided, and the coarse filter plates are snap-connected to the coarse filter box.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The filter element can be automatically replaced by rotating the filter element setting, which simplifies the operation of filter element replacement;

[0017] 2. The double filter element setting makes replacement easier;

[0018] 3. The sealing performance of the device is improved by setting up compression seals on both sides. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a filter separator described in the utility model;

[0020] Figure 2 This is an axonometric diagram of the main device of a filter separator described in the utility model;

[0021] Figure 3 This is an axonometric diagram of a switching device for a filter separator described in the utility model;

[0022] Figure 4 It is a top view of a compression assembly of a filter separator described in the utility model.

[0023] In the accompanying drawings: 1. Main device; 101. Frame; 102. Coarse filter box; 103. Inlet pipe; 104. Coarse filter plate; 105. Air outlet box; 106. Air outlet pipe; 2. Switching device; 201. Switching frame; 202. Rotating frame; 203. Working filter element; 204. Spare filter element; 205. Rotating shaft; 206. Motor; 3. Clamping assembly; 301. Mounting plate; 302. Fixed pipe; 303. Sliding sleeve; 304. Push plate; 305. Electric push rod; 306. Sealing ring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in 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 in 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.

[0025] See also Figure 1-Figure 4 A filter separator includes a main body device 1 for natural gas inlet and outlet and coarse filtering, and also includes a switching device 2 arranged in the middle of the main body device 1 for placing double filter elements and rotating and switching the filter elements. Two clamping assemblies 3 for clamping and sealing from both sides are symmetrically arranged on both sides of the switching device 2.

[0026] In this embodiment: the main device 1 includes a frame 101, a coarse filter box 102 is installed on one side of the top of the frame 101, an air inlet pipe 103 is installed on the side of the top of the coarse filter box 102 away from the frame 101, four coarse filter plates 104 are arranged in the coarse filter box 102, an air outlet box 105 is installed on the side of the top of the frame 101 away from the coarse filter box 102, an air outlet pipe 106 is arranged on the top of the air outlet box 105, the coarse filter plate 104 is snap-connected with the coarse filter box 102, and natural gas is sent from the air inlet pipe 103 into the coarse filter box 102 on one side of the frame 101, and after coarse filtration by the coarse filter plate 104, it continues to pass through the working filter element 203 for fine filtration, and then enters the air outlet box 105 and is discharged from the air outlet pipe 106 to complete filtration and separation;

[0027] The switch device 201 includes a switch frame 201, a rotating frame 202 is arranged on the top of the switch frame 201, a rotating shaft 205 is rotatably installed between the switch frame 201 and the rotating frame 202, a motor 206 is installed on one side of the rotating shaft 205, a working filter element 203 and a spare filter element 204 are symmetrically arranged in the rotating frame 202, the rotating frame 202 is in the shape of an "8", the spare filter element 204 is snap-connected with the rotating frame 202, and a plastic dustproof film is arranged on the surface of the spare filter element 204. When the filter element needs to be replaced, the plastic film on the surface of the spare filter element 204 is first torn off, so that the clamping component 3 releases the rotating frame 202, and then the switching frame 201 supports the motor 206 to drive the rotating shaft 205 to drive the rotating frame 202 to rotate 180 degrees around the rotating shaft 205 to move the spare filter element 204 between the two clamping components 3, and the clamping component 3 is re-tightened to complete the replacement, and at the same time, the replaced working filter element 203 is updated for the convenience of next use;

[0028] In this embodiment: the clamping assembly 3 includes a mounting plate 301, a fixed tube 302 is arranged on one side of the mounting plate 301, a sliding sleeve 303 is slidably installed on the end of the fixed tube 302 away from the mounting plate 301, a push plate 304 is arranged on the side of the sliding sleeve 303 away from the fixed tube 302, a sealing ring 306 is arranged on the side of the push plate 304 away from the sliding sleeve 303, two electric push rods 305 are evenly arranged on the push plate 304 and the mounting plate 301, the sealing ring 306 is made of silicone, the mounting plate 301 supports the electric push rod 305 to shorten and drive the push plate 304 and the sliding sleeve 303 to move along the fixed tube 302, away from and release the rotating frame 202, the electric push rod 305 drives the sealing ring 306 through the push plate 304 to press the rotating frame 202 from both sides to re-seal.

[0029] Working principle: natural gas is sent from the air inlet pipe 103 into the coarse filter box 102 on one side of the frame 101, and after being roughly filtered by the coarse filter plate 104, it continues to be finely filtered by the working filter element 203, and then enters the air outlet box 105 and is discharged from the air outlet pipe 106 to complete the filtering and separation; when the filter element needs to be replaced, the plastic film on the surface of the spare filter element 204 is first torn off, the mounting plate 301 supports the electric push rod 305 to shorten and drive the push plate 304 and the sliding sleeve 303 to move along the fixed pipe 302, away from and release the rotating frame 202, and then the switching frame 201 supports the motor 206 to drive the rotating shaft 205 to drive the rotating frame 202 to rotate 180 degrees around the rotating shaft 205 to move the spare filter element 204 between the two clamping components 3, and finally the electric push rod 305 drives the sealing ring 306 to press the rotating frame 202 from both sides through the push plate 304 to re-seal and complete the filter element replacement. At the same time, the replaced working filter element 203 is updated for the convenience of next use.

[0030] 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 filter separator, comprising a main device (1) for inlet and outlet of natural gas and coarse filtration, characterized in that: It also includes a switching device (2) disposed in the middle of the main body device (1) for placing double filter elements and rotating and switching the filter elements, and two pressing assemblies (3) for pressing and sealing from both sides are symmetrically disposed on both sides of the switching device (2); The switching device (2) comprises a switching frame (201), a rotating frame (202) is arranged on the top of the switching frame (201), a rotating shaft (205) is rotatably installed between the switching frame (201) and the rotating frame (202), a motor (206) is installed on one side of the rotating shaft (205), and a working filter element (203) and a spare filter element (204) are symmetrically arranged in the upper and lower parts of the rotating frame (202); The clamping assembly (3) comprises a mounting plate (301), a fixed tube (302) is arranged on one side of the mounting plate (301), a sliding sleeve (303) is slidably installed on one end of the fixed tube (302) away from the mounting plate (301), a push plate (304) is arranged on the side of the sliding sleeve (303) away from the fixed tube (302), a sealing ring (306) is arranged on the side of the push plate (304) away from the sliding sleeve (303), and a plurality of electric push rods (305) are evenly arranged on the push plate (304) and the mounting plate (301).

2. A filter separator according to claim 1, characterized in that: The main device (1) comprises a frame (101), a coarse filter box (102) is installed on one side of the top of the frame (101), an air inlet pipe (103) is installed on the side of the top of the coarse filter box (102) away from the frame (101), a plurality of coarse filter plates (104) are arranged in the coarse filter box (102), an air outlet box (105) is installed on the side of the top of the frame (101) away from the coarse filter box (102), and an air outlet pipe (106) is arranged on the top of the air outlet box (105).

3. A filter separator according to claim 1, characterized in that: The rotating frame (202) is in the shape of an "8".

4. A filter separator according to claim 1, characterized in that: The spare filter element (204) is snap-connected to the rotating frame (202), and a plastic dustproof film is provided on the surface of the spare filter element (204).

5. A filter separator according to claim 1, characterized in that: Two electric push rods (305) are provided, and the sealing ring (306) is made of silicone material.

6. A filter separator according to claim 2, characterized in that: Four coarse filter plates (104) are provided, and the coarse filter plates (104) are snap-connected to the coarse filter box (102).

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