Efficient recovery filter for well head gas

Abstract

The utility model belongs to the technical field of filters, and particularly discloses a wellhead gas efficient recovery filter which comprises a filter tank and a plurality of filter assemblies arranged in the filter tank, a first cylinder seat and a second cylinder seat are arranged at the two ends of the filter tank respectively, and a plurality of mounting grooves corresponding to the filter assemblies are evenly formed in the side edge of the filter tank. An inserting groove is formed in the middle of each mounting groove, a locking screw hole is formed in the side edge of each mounting groove, and a sealing groove is formed in the side edge of each inserting groove. The mounting groove and the slot are used for mounting the filter assembly; the filter assembly comprises mounting plates and filter plates, the mounting plates are arranged on the inner sides of the mounting grooves, through positioning holes are formed in the side edges of the mounting plates, the positioning holes and the locking screw holes are aligned and fixed through bolts, the filter plates are fixed to the mounting plates and inserted into the inserting grooves, sealing strips are arranged on the side edges of the filter plates, and filter screens are arranged in the middles of the filter plates; bolts penetrate through the positioning holes and are screwed into the locking screw holes to fix the filter plates, so that later disassembly and assembly are facilitated, and multi-stage filtration can be achieved by arranging the multiple filter assemblies.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a wellhead gas high-efficiency recovery filter. Background Art

[0002] The wellhead is the part where the wellbore connects to the ground and is an important component of the mining production system. During the wellhead gas extraction process, the wellhead gas will be mixed with a certain amount of impurities. In order to ensure the quality, it is usually necessary to use a filter to filter the impurities in the wellhead gas.

[0003] Current filters used for wellhead gas recovery are easily clogged by impurities in the gas, affecting their filtering effect. Therefore, some people have come up with the idea of ​​setting a cleaning mechanism inside the filter to facilitate automatic cleaning. For example, Chinese utility model patent No. CN218740901U specifically discloses a filter specifically for wellhead gas.

[0004] However, when the filter is in use, it is filtered by the filter element provided. However, the device can only be provided with one filter element, and can only perform one-stage filtration, making it difficult to achieve multi-stage filtration, which greatly reduces its filtering effect. Utility Model Content

[0005] The purpose of the utility model is to provide a high-efficiency wellhead gas recovery filter to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a high-efficiency wellhead gas recovery filter, comprising a filter canister and a plurality of filter assemblies disposed within the filter canister, wherein a first cartridge seat and a second cartridge seat are disposed at each end of the filter canister, and a plurality of mounting slots corresponding to the filter assemblies are uniformly formed on the side of the filter canister, each of the mounting slots having a slot in the middle, each of the mounting slots having a locking screw hole on the side, and a sealing groove on the side of the slot. The mounting slots and slots are provided for mounting the filter assemblies.

[0007] The filter assembly includes a mounting plate and a filter plate. The mounting plate is provided on the inner side of each mounting slot. A through positioning hole is provided on the side of the mounting plate. The positioning hole is aligned with the locking screw hole and fixed by a bolt. The filter plate is fixed on the mounting plate and inserted into the slot. A sealing strip is provided on the side of the filter plate and embedded in the sealing slot. A filter screen is provided in the middle of the filter plate. The filter plate is fixed by bolts passing through the positioning holes and screwed into the locking screw holes to facilitate later disassembly and assembly. Arranging several filter assemblies can achieve multi-stage filtration. The filter screen can be an activated carbon filter screen.

[0008] As a preferred embodiment of the present invention, sealing rubber pads are provided on the inner walls of the sealing groove and the mounting groove to improve the sealing effect.

[0009] As a preferred embodiment of the present invention, an air inlet is provided on the side of the first cartridge seat, and an air outlet is provided on the second cartridge seat. Wellhead gas enters from the air inlet and is discharged from the air outlet after multi-stage filtration.

[0010] As a preferred embodiment of the present invention, a cleaning assembly is provided in the first cylinder seat, and the cleaning assembly includes a rotating rod, a scraper and a driving motor.

[0011] The rotating rod is rotatably connected to the first cartridge seat, the scraper is fixed to the end of the rotating rod, and a cleaning brush is provided on the scraper. The drive motor is fixed to the outside of the first cartridge seat, and the drive shaft of the drive motor is connected to the rotating rod. The cleaning brush on the scraper is in contact with the filter screen near the first cartridge seat. The driving motor drives the rotating rod to rotate, and the cleaning brush on the scraper cleans the filter screen.

[0012] As a preferred embodiment of the present invention, a hand position is provided on the mounting plate, and the provided hand position is mainly used to facilitate the staff to pull the filter plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model arranges a plurality of filter components in the filter tank. When in use, the filtering effect of the device is improved by the plurality of filter components. The plurality of filter components are fixed to the installation groove by bolts to facilitate later disassembly and maintenance. The filter screen near the first cartridge seat can be automatically cleaned by the cleaning component, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model Figure 1 ;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model Figure 2 ;

[0017] Figure 3 This is a partial cross-sectional structural diagram of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the filter component of the utility model.

[0019] In the figure: 1. Filter canister; 101. Mounting slot; 102. Slot; 103. Sealing slot; 104. Locking screw hole; 2. First cartridge seat; 201. Air inlet; 3. Second cartridge seat; 301. Air outlet; 4. Mounting plate; 401. Positioning hole; 402. Hand position; 5. Filter plate; 501. Filter screen; 502. Sealing strip; 6. Rotating rod; 601. Scraper; 602. Drive motor. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0022] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0023] See also Figure 1-4 The present invention provides a technical solution: a high-efficiency wellhead gas recovery filter, comprising a filter canister 1 and a plurality of filter assemblies disposed within the filter canister 1. A first cartridge seat 2 and a second cartridge seat 3 are provided at both ends of the filter canister 1. A plurality of mounting slots 101 corresponding to the filter assemblies are evenly disposed on the side of the filter canister 1. Each mounting slot 101 has a slot 102 disposed in the middle thereof. Each mounting slot 101 has a locking screw hole 104 disposed on its side. A sealing groove 103 is disposed on the side of the slot 102. The mounting slots 101 and the slot 102 are provided for mounting the filter assemblies.

[0024] Furthermore, the filter assembly includes a mounting plate 4 and a filter plate 5. Each mounting slot 101 is provided with a mounting plate 4. A through-hole 401 is provided on the side of the mounting plate 4. The positioning hole 401 is aligned with the locking screw hole 104 and fixed by bolts. The filter plate 5 is fixed on the mounting plate 4 and inserted into the slot 102. A sealing strip 502 is provided on the side of the filter plate 5. The sealing strip 502 is embedded in the sealing slot 103. A filter screen 501 is provided in the middle of the filter plate 5. The filter plate 5 is fixed by bolts passing through the positioning hole 401 and screwed into the locking screw hole 104 to facilitate later disassembly and assembly. Arranging multiple filter assemblies can achieve multi-stage filtration. The filter screen 501 can be an activated carbon filter screen 501.

[0025] Furthermore, sealing rubber pads are provided on the inner walls of the sealing groove 103 and the mounting groove 101 to improve the sealing effect.

[0026] Furthermore, an air inlet 201 is provided on the side of the first cartridge seat 2, and an air outlet is provided on the second cartridge seat 3. Wellhead gas enters from the air inlet 201 and is discharged from the air outlet 301 after multi-stage filtration.

[0027] Furthermore, a cleaning assembly is provided in the first cartridge seat 2 , and the cleaning assembly includes a rotating rod 6 , a scraper 601 and a driving motor 602 .

[0028] Furthermore, the rotating rod 6 is rotatably connected to the first cartridge seat 2, the scraper 601 is fixed to the end of the rotating rod 6, and a cleaning brush is provided on the scraper 601. The driving motor 602 is fixed to the outside of the first cartridge seat 2, and the driving shaft of the driving motor 602 is connected to the rotating rod 6. The cleaning brush on the scraper 601 is in contact with the filter screen 501 near the first cartridge seat 2. The driving motor 602 drives the rotating rod 6 to rotate, and the cleaning brush on the scraper 601 is used to clean the filter screen 501.

[0029] Furthermore, a hand position 402 is provided on the mounting plate 4, and the hand position 402 is mainly provided to facilitate the staff to pull the filter plate 5

[0030] In summary, when the device is in use, the air inlet 201 and the air outlet 301 are connected to the corresponding interfaces respectively, so that the wellhead gas enters from the air inlet 201, passes through a number of filter screens 501 for filtering, and is discharged from the air outlet 301. Among them, the filter screen 501 close to the first cylinder seat 2 is close to the air inlet 201, so that impurities in the air are intercepted by the filter screen 501. When cleaning is required, the drive motor 602 is started, so that the drive motor 602 drives the rotating rod 6 to rotate, so that the rotating rod 6 drives the scraper 601 to rotate, and the cleaning brush on the scraper 601 is used to clean it, thereby improving the filtering effect. When it is necessary to remove part of the filter screen 501 for maintenance, it is only necessary to unscrew the bolts fixing the mounting plate 4 on the corresponding filter assembly, and then the filter plate 5 can be pulled out of the slot 102 to complete the removal. When installing, the filter plate 5 is inserted back into the slot 102, and the mounting plate 4 is inserted into the mounting slot 101 at the same time. Then, the bolt is passed through the positioning hole 401 and screwed into the locking screw hole 104.

[0031] It is worth noting that the entire device is controlled by a master control button. Since the devices matched with the control button are commonly used devices and belong to existing mature technologies, their electrical connection relationships and specific circuit structures will not be described in detail here.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Wellhead gas high efficiency recovery filter, characterized by: The invention comprises a filter canister (1) and a plurality of filter assemblies arranged in the filter canister (1), wherein a first cartridge seat (2) and a second cartridge seat (3) are respectively arranged at both ends of the filter canister (1), a plurality of mounting slots (101) corresponding to the filter assemblies are evenly arranged on the side of the filter canister (1), a slot (102) is arranged in the middle of each mounting slot (101), a locking screw hole (104) is arranged on the side of each mounting slot (101), and a sealing slot (103) is arranged on the side of the slot (102); The filter assembly comprises a mounting plate (4) and a filter plate (5), wherein the mounting plate (4) is provided on the inner side of each mounting groove (101), a through positioning hole (401) is provided on the side of the mounting plate (4), the positioning hole (401) is aligned with the locking screw hole (104) and fixed by bolts, a filter plate (5) is fixed on the mounting plate (4), the filter plate (5) is inserted into the slot (102), a sealing strip (502) is provided on the side of the filter plate (5), the sealing strip (502) is embedded in the sealing groove (103), and a filter screen (501) is provided in the middle of the filter plate (5).

2. The wellhead gas high-efficiency recovery filter according to claim 1, characterized in that: Sealing rubber pads are provided on the inner walls of the sealing groove (103) and the mounting groove (101).

3. The wellhead gas high-efficiency recovery filter according to claim 1, characterized in that: An air inlet (201) is provided on the side of the first cartridge seat (2), and an air outlet is provided on the second cartridge seat (3).

4. The wellhead gas high-efficiency recovery filter according to claim 1, characterized in that: A cleaning assembly is provided in the first cylinder seat (2), and the cleaning assembly comprises a rotating rod (6), a scraper (601) and a driving motor (602); The rotating rod (6) is rotatably connected to the first cartridge seat (2), the scraper (601) is fixed to the end of the rotating rod (6), a cleaning brush is provided on the scraper (601), the driving motor (602) is fixed to the outside of the first cartridge seat (2), the driving shaft of the driving motor (602) is connected to the rotating rod (6), and the cleaning brush on the scraper (601) is in contact with the filter screen (501) close to the first cartridge seat (2).

5. The wellhead gas high-efficiency recovery filter according to claim 1, characterized in that: A hand position (402) is provided on the mounting plate (4).

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