Filtering structure of oil gas recovery device

Abstract

The utility model discloses a filtering structure of an oil gas recovery device, which belongs to the technical field of oil gas filtering and comprises a main filtering shell and a bottom shell, the main filtering shell and the bottom shell are in detachable structural design, the bottom of the bottom shell is connected with a plurality of supporting legs, a rotating rod is arranged at the center of the inner circumference of the main filtering shell, and the rotating rod is connected with the bottom of the bottom shell. A connector is rotationally connected to the bottom end of the rotating rod through a shaft ring, a filtering frame is arranged at the bottom of the connector and is of an upward convex conical structure design, activated carbon layers are placed on the two sides of the periphery of the filtering frame, and a honeycomb ceramic net and an ultrafiltration net plate are installed on the upper surface and the lower surface of each activated carbon layer correspondingly; an annular plate is adaptively arranged on the periphery of the filter frame, and an arc scraping frame is arranged between the periphery of the annular plate and the inner wall of the main filter shell. According to the filtering structure of the oil gas recovery device, through the design of the convex cone and the rotary collection of the arc scraping frame, carbon powder can be conveniently cleaned in an operation state, and the filtering structure is convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil and gas filtering, in particular to a filtering structure of an oil and gas recovery device. Background Art

[0002] Gas stations require oil and gas processing equipment to process oil and gas. Most oil and gas processing equipment utilizes multiple processes to improve effectiveness. Existing oil and gas processing equipment requires the use of oil and gas filtration structures. Activated carbon, due to its low cost and excellent adsorption properties, is a common adsorption material used in gas station tertiary oil and gas recovery equipment. However, when the vacuum pump in tertiary oil and gas recovery equipment desorbs the adsorbed oil and gas from the carbon canister, the activated carbon in the canister is prone to producing carbon dust due to vacuuming. After prolonged operation, the accumulated carbon dust can easily lead to serious consequences such as pipe blockage, solenoid valve and vacuum pump jamming.

[0003] Publication number CN220656940U discloses an oil and gas recovery filter. The filter plate is inserted into a slot in the feed pipe. When the device is in use, a worker inserts the filter plate into the slot using a handheld control lever. The control lever then rotates to thread the threaded connecting rods at both ends of the secondary curved plate into the threaded holes at both ends of the primary curved plate. This ensures a more secure connection between the filter plate and the feed pipe and facilitates disassembly, replacement, and cleaning. However, cleaning requires shutting down the machine and disassembling, which is inconvenient and can affect oil and gas processing. Utility Model Content

[0004] The purpose of the utility model is to provide a filtering structure of an oil and gas recovery device to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a filtering structure of an oil and gas recovery device, comprising a main filter shell and a bottom shell, the main filter shell and the bottom shell being of detachable structural design, and a plurality of supporting feet being connected to the bottom of the bottom shell, a rotating rod being provided at the inner center of the main filter shell, and the bottom end of the rotating rod being rotatably connected to a connecting head through an axle ring, a filter frame being provided at the bottom of the connecting head, and the filter frame being of an upward convex conical structural design, activated carbon layers being placed on both sides of the outer periphery of the filter frame, and honeycomb ceramic mesh and ultrafiltration mesh plates being respectively installed on the upper and lower surfaces of the activated carbon layer, a ring plate being adapted to be provided on the outer periphery of the filter frame, and an arc scraping frame connected to the rotating rod for rotation for collecting carbon powder is provided between the outer periphery of the ring plate and the inner wall of the main filter shell.

[0006] In a further embodiment, a connecting rod is connected to the top of the arc scraper frame, and an end of the connecting rod is fixed to the outer periphery of the rotating rod.

[0007] In a further embodiment, the outer periphery of the arc scraper frame is designed to be arc-shaped, and the outer periphery of the arc scraper frame is adapted to the arc surface of the main filter housing and the ring plate.

[0008] In a further embodiment, the bottom of the bottom shell is located at the bottom of the arc scraper frame's rotation trajectory and is connected to a side bucket, and the bottom of the side bucket is connected to a collection frame.

[0009] In a further embodiment, a collecting drawer is provided on one side of the collecting frame, and the outer side of the collecting drawer is designed to be pullable.

[0010] In a further embodiment, the bottom edge of the filter frame fits snugly with the inner ring of the ring plate, and a rubber sealing layer is bonded to the inner ring of the ring plate.

[0011] In a further embodiment, cavities are formed on four inner sides of the bottom of the connector, and the inner tenons of the cavities are provided with oblique clips.

[0012] In a further embodiment, a compression spring is provided between one side of the oblique clamp and the inner periphery of the cavity, and a pull wire is connected to the center of one side of the oblique clamp.

[0013] In a further embodiment, a rotatable winding column is provided at the center of the inner periphery of the connector, and a plurality of pull wires are wound around the outer periphery of the winding column.

[0014] In a further embodiment, a rectangular notch is provided in the center of the filter frame, and notches adapted to the oblique clamp are provided on four sides of the notch.

[0015] Compared with the prior art, the technical effects and advantages of this utility model are:

[0016] The convex cone design of the filter frame, the activated carbon layer design inside the filter frame, and the ultrafiltration mesh plate design on the lower surface of the activated carbon layer can effectively prevent the activated carbon powder from falling to the lower layer. The closed loop design of the outer ring plate at the bottom of the filter frame and the adaptive design of the arc scraper frame on the outer side, combined with the connecting rod connecting the rotating rod and the arc scraper frame, during filtration, the carbon powder will fall to the side of the ring plate and be collected by the rotating arc scraper frame.

[0017] The connection between the side bucket and the bottom of the bottom shell, the fixation of the collection frame and the side bucket, combined with the removable design of the collection drawer, can quickly clean the toner;

[0018] The adaptive design of the oblique clamp and the notch, the elastic design of the compression spring, the pull wire connected to the inner center of the oblique clamp, and the winding design of the pull wire and the winding column, when the winding column is rotated to wind the pull wire, it can pull the oblique clamp to contract synchronously, separating the oblique clamp and the notch, so that it can be removed. When released, the compression spring acts to move the oblique clamp toward the notch, realizing automatic locking.

[0019] The filtering structure of the oil and gas recovery device can conveniently clean carbon powder during operation through the convex cone design and the rotating collection of the arc scraper frame, and is easy to disassemble and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a structural diagram of the utility model;

[0022] Figure 2 It is a central sectional view of the present utility model;

[0023] Figure 3 For the utility model Figure 2 A magnified view of the structure at center A;

[0024] Figure 4 This is a schematic diagram of the connection structure of the filter frame of the present invention.

[0025] Description of reference numerals:

[0026] 1. Main filter housing; 2. Bottom housing; 3. Support legs; 4. Inlet; 5. Outlet; 6. Filter frame; 7. Activated carbon layer; 8. Honeycomb ceramic mesh; 9. Ultrafiltration mesh plate; 10. Ring plate; 11. Rotating rod; 12. Connector; 13. Rotating motor; 14. Arc scraper frame; 15. Connecting rod; 16. Side bucket; 17. Collection frame; 18. Collection drawer

[0027] 21. Cavity; 22. Oblique clamp; 23. Compression spring; 24. Winding column; 25. Pull wire. DETAILED DESCRIPTION

[0028] In the following description, numerous specific details are provided to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features known in the art are not described to avoid confusion with the present invention.

[0029] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside shown in the figures of the present invention, and are explained here together.

[0030] The connection method can be bonding, welding, bolt connection, etc., which shall be based on actual needs.

[0031] See also Figures 1 to 4 The general structure of the device body includes a main filter housing 1 and a bottom housing 2. The bottom housing 2 is fixed to the main filter housing 1 by bolts. A plurality of supporting feet 3 are connected to the bottom of the bottom housing 2. The top of the main filter housing 1 is connected to an inlet 4, and the bottom of the bottom housing 2 is connected to an outlet 5. A rotating motor 13 is installed at the top center of the main filter housing 1. The driving end of the rotating motor 13 passes through the main filter housing 1 and is connected to a rotating rod 11 through a coupling. The bottom end of the rotating rod 11 is rotatably connected to a connector 12 through a shaft collar.

[0032] The connector 12 has a conical slope on the upper half and a rectangular structure on the lower half. A filter frame 6 is provided on the outer periphery of the lower half of the connector 12. The outer periphery of the filter frame 6 has semicircular cavities on both sides. An ultrafiltration screen plate 9 is installed at the bottom of the cavity. An activated carbon layer 7 is placed above the ultrafiltration screen plate 9. A honeycomb ceramic mesh 8 is installed on the upper surface of the activated carbon layer 7.

[0033] The filter frame 6 is designed as an upward convex cone, and the ultrafiltration mesh plate 9 is designed to have a mesh size much larger than that of the carbon powder. During the filtration process, the carbon powder will move to the side along the cone, and the carbon powder will not pass through the ultrafiltration mesh plate 9.

[0034] See also Figure 2 and Figure 4 In order to achieve collection, the outer periphery of the filter frame 6 is adapted to be provided with a ring plate 10, the outer periphery of the rotating rod 11 is connected to the connecting rod 15, the end of the connecting rod 15 is connected to the arc scraping frame 14, the outer periphery of the arc scraping frame 14 is arc-shaped, the outer periphery of the arc scraping frame 14 is adapted to the arc surface of the main filter housing 1 and the ring plate 10, the inner ring of the ring plate 10 is closely fitted with the outer periphery of the filter frame 6, and the inner ring of the ring plate 10 is bonded with a rubber sealing layer;

[0035] The bottom of the bottom shell 2 is at the bottom of the rotation track of the arc scraper frame 14 and is connected to a side bucket 16. The bottom of the side bucket 16 is connected to a collecting frame 17. A collecting drawer 18 is provided on one side of the collecting frame 17. The outer side of the collecting drawer 18 is designed to be pull-out.

[0036] See also Figure 2 and Figure 3 In order to facilitate disassembly and assembly, a rectangular notch is opened in the center of the filter frame 6, and notches are opened on the four outer sides of the notch. A cavity 21 is opened on the four inner sides of the bottom of the connector 12. The internal tenon of the cavity 21 is equipped with an oblique card 22, which fits into the notch. The outer side of the lower half of the oblique card 22 is provided with a slope design to facilitate the insertion of the filter frame 6;

[0037] A compression spring 23 is arranged between one side of the oblique clamp 22 and the inner periphery of the cavity 21. A pull wire 25 is connected to the center of one side of the oblique clamp 22. A rotatable winding column 24 is provided at the center of the inner periphery of the connecting head 12. The outer periphery of the winding column 24 is designed to be wound with multiple pull wires 25. The bottom end of the winding column 24 passes through the connecting head 12 and is provided with a turning handle. A space for winding is opened at the bottom center of the connecting head 12.

[0038] The above components and electrical equipment are all existing technologies or existing feasible technologies. Their working principles, sizes and models are irrelevant to the functions of this application, so they will not be described in detail. They are all controlled by remote control switches.

[0039] How it works

[0040] The filter structure of the oil and gas recovery device, when in use, gas enters from the inlet 4, blows toward the filter frame 6, and is absorbed and filtered by the activated carbon layer 7. At the same time, the convex cone design can make the carbon powder fall into the gap between the ring plate 10 and the main filter housing 1;

[0041] Start the rotating motor 13 to drive the rotating rod 11 to rotate, so that the connecting rod 15 rotates, and the arc scraping frame 14 rotates to perform rotary scraping on the carbon powder in the gap;

[0042] At the same time, the connection of the side bucket 16 and the collection of the collection frame 17 can collect the carbon powder in a centralized manner. When cleaning, the bottom of the arc scraper frame 14 is sealed with the opening of the side bucket 16, and the cleaning can be aligned to achieve non-stop and convenient cleaning.

[0043] It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "including an element defined by ... does not exclude the presence of other identical elements in the process, method, article or device that includes the element."

[0044] 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. A filtering structure of an oil and gas recovery device, comprising a main filter housing (1) and a bottom housing (2), wherein the main filter housing (1) and the bottom housing (2) are detachable structures, and a plurality of supporting legs (3) are connected to the bottom of the bottom housing (2); Its characteristics are: A rotating rod (11) is provided at the center of the inner periphery of the main filter housing (1), and the bottom end of the rotating rod (11) is rotatably connected to a connector (12) via a shaft ring. A filter frame (6) is provided at the bottom of the connector (12), and the filter frame (6) is designed as an upward convex cone. Activated carbon layers (7) are placed on both sides of the outer periphery of the filter frame (6), and honeycomb ceramic mesh (8) and ultrafiltration mesh plate (9) are respectively installed on the upper and lower surfaces of the activated carbon layer (7). A ring plate (10) is adapted to be provided on the outer periphery of the filter frame (6), and an arc scraper frame (14) connected to the rotating rod (11) and rotating for collecting carbon powder is provided between the outer periphery of the ring plate (10) and the inner wall of the main filter housing (1).

2. The filter structure of the oil and gas recovery device according to claim 1, characterized in that: The top of the arc scraping frame (14) is connected to a connecting rod (15), and the end of the connecting rod (15) is fixed to the outer periphery of the rotating rod (11).

3. The filter structure of the oil and gas recovery device according to claim 1, characterized in that: The outer periphery of the arc scraper frame (14) is designed to be arc-shaped, and the outer periphery of the arc scraper frame (14) is adapted to the arc surfaces of the main filter housing (1) and the ring plate (10).

4. The filter structure of the oil and gas recovery device according to claim 3, characterized in that: The bottom of the bottom shell (2) is located at the bottom of the arc scraper frame (14) rotation trajectory and is connected to a side bucket (16), and the bottom of the side bucket (16) is connected to a collection frame (17).

5. The filtering structure of the oil and gas recovery device according to claim 4, characterized in that: A collecting drawer (18) is provided on one side of the collecting frame (17), and the outer side of the collecting drawer (18) is designed to be pullable.

6. The filtering structure of the oil and gas recovery device according to claim 1, characterized in that: The bottom edge of the filter frame (6) fits snugly with the inner ring of the ring plate (10), and a rubber sealing layer is bonded to the inner ring of the ring plate (10).

7. The filtering structure of the oil and gas recovery device according to claim 1, characterized in that: The bottom of the connector (12) is provided with cavities (21) on all four sides, and the internal tenons of the cavities (21) are provided with oblique clips (22).

8. The filter structure of the oil and gas recovery device according to claim 7, characterized in that: A compression spring (23) is provided between one side of the oblique clamp (22) and the inner periphery of the cavity (21), and a pull wire (25) is connected to the center of one side of the oblique clamp (22).

9. The filtering structure of the oil and gas recovery device according to claim 8, characterized in that: A rotatable winding column (24) is provided at the inner center of the connector (12), and the outer periphery of the winding column (24) is wound with a plurality of pull wires (25).

10. The filter structure of the oil and gas recovery device according to claim 9, characterized in that: A rectangular notch is provided at the center of the filter frame (6), and notches adapted to the oblique clamps (22) are provided on four sides of the notch.

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