Cyclone desander for natural gas exploitation

By designing the rotating shaft and threaded rod in the cyclone sand degasser to drive the movement of the positioning rod and the top cover, the rapid disassembly and cleaning of the filter element is achieved, solving the problem of degradation of sand removal effect caused by gravel on the surface of the filter element, and maintaining the efficient operation of the sand degasser.

CN222585955UActive Publication Date: 2025-03-11XUZHOU HAIHAO PETROLEUM TECH CO LTD
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Patent Information

Application Number
CN202420668543.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-02
Publication Date
2025-03-11
Estimated Expiration
2034-04-02

AI Technical Summary

Technical Problem

After a long time of use, a large amount of sand and gravel is attached to the surface of the filter element, resulting in a decrease in the sand removal effect and difficulty in cleaning the filter element, which affects the efficient operation of the equipment.

Method used

A natural gas opening-based cyclone sand degasser is designed. By setting a rotating shaft and threaded rod on the top of the sand removal cylinder, the movement of the positioning rod and the top cover is driven, and the filter element fixing frame and filter element are quickly removed and cleaned.

Benefits of technology

It realizes rapid cleaning and installation of the filter element, maintains the efficient sand removal effect of the sand detergent, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cyclone desander for natural gas exploitation in the technical field of natural gas desanders, which comprises a desanding cylinder, a mounting plate is arranged in the middle of the inside of the desanding cylinder, a mounting hole is arranged in the middle of the mounting plate, a mounting groove is arranged at the top of the mounting hole, an inner cylinder is arranged at the bottom of the mounting plate, and an outer cylinder is arranged at the bottom of the inner cylinder. A filter element fixing frame is arranged in the mounting groove, a filter element is arranged at the bottom of the filter element fixing frame, a fixing block is arranged on the upper portion in the sand removing cylinder, a sliding groove and a sliding groove positioning opening are formed in the fixing block, a positioning rod is arranged in the positioning opening, a pressing plate is arranged at the bottom of the positioning rod, and a threaded hole is formed in the middle of the positioning rod. A top cover is arranged at the top of the desanding cylinder, a through hole is formed in the middle of the top cover, the positioning rod loosens fixation of the top cover through rotation of the threaded rod, the filter element is rapidly detached and cleaned, meanwhile, the filter element is rapidly installed, and the desander is kept to keep a good desanding effect all the time.
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Description

Technical Field

[0001] The utility model relates to the technical field of natural gas desanders, in particular to a cyclone desander for natural gas exploitation. Background Art

[0002] After natural gas is extracted, it contains a large amount of sand and gravel. A desander is needed to remove the sand from the natural gas before it can be put into use. For example, a cyclone desander (patent number: CN202021239069.7) disclosed in Chinese patent literature can perform good desanding on natural gas, but the desander filter element needs to be cleaned regularly after a long period of desanding work to keep the desander efficient in desanding. The cone set on the top of the desander in the above patent will make it extremely difficult to disassemble and clean the filter element. When the filter element has sand and gravel attached to the surface due to long-term desanding work, the desanding effect on natural gas will be affected.

[0003] Therefore, we propose a cyclone desander for natural gas exploitation. Utility Model Content

[0004] The utility model aims to provide a cyclone desander for natural gas exploitation to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cyclone desander for natural gas mining, comprising a desander, a mounting plate is arranged in the middle part of the desander, a mounting hole is arranged in the middle part of the mounting plate, a mounting groove is arranged at the top of the mounting hole, an inner cylinder is arranged at the bottom of the mounting plate, a filter element fixing frame is arranged in the mounting groove, a filter element is arranged at the bottom of the filter element fixing frame, a fixing block is arranged at the upper part of the desander, a slide groove is arranged on the fixing block, a slide groove positioning opening is arranged, a positioning rod is arranged in the positioning opening, a pressure plate is arranged at the bottom of the positioning rod, a threaded hole is arranged in the middle part of the positioning rod, a top cover is arranged at the top of the desander, a through hole is arranged in the middle part of the top cover, a limiting groove is arranged in the middle part of the inner wall of the through hole, a rotating shaft is arranged in the through hole, a sealing plate matching the limiting groove is arranged on the rotating shaft, and a threaded rod is arranged at the bottom of the rotating shaft.

[0006] Preferably, a connecting groove is provided between the positioning opening and the sliding groove, and the top of the connecting groove is lower than the top of the positioning opening.

[0007] Preferably, a through slot is provided in the middle of the pressure plate, the positioning rod passes through the through slot, and the positioning rod is slidably connected to the inner wall of the through slot.

[0008] Preferably, a handle is provided at the top of the rotating shaft, and the threaded rod cooperates with a threaded hole provided in the middle of the positioning rod.

[0009] Preferably, the inner cylinder is fixedly connected to the bottom of the mounting plate, and an opening is provided at the bottom of the inner cylinder.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the rotating shaft drives the threaded rod to rotate, so that the positioning rod moves downward to the bottom of the positioning port, the top cover drives the pressure plate to move, the pressure plate drives the positioning rod to rotate, the positioning rod rotates into the slide slot through the connecting slot, and the top cover is moved upward, the top cover drives the positioning rod to move upward through the threaded rod, the positioning rod moves upward through the slide slot and disengages from the sand removal cylinder, after the top cover disengages from the sand removal cylinder, the filter element fixing frame and the filter element are quickly taken out, the filter element is cleaned, the threaded rod is rotated, and the positioning rod loosens the fixation on the top cover, the filter element is quickly removed for cleaning, and the filter element is quickly installed at the same time, so that the sand remover always maintains a good sand removal effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is an enlarged view of point A of the utility model;

[0013] Figure 3 This is a schematic diagram of the connection structure of the slideway and the positioning port of the utility model;

[0014] Figure 4 This is a schematic diagram of the through slot structure of the utility model.

[0015] In the figure: 1, sand removal cylinder; 101, fixing block; 102, top cover; 2, mounting plate; 3, mounting hole; 4, mounting groove; 5, inner cylinder; 6, filter element fixing frame; 7, filter element; 8, slide groove; 9, positioning port; 91, connecting groove; 10, positioning rod; 11, pressure plate; 111, through groove; 12, threaded hole; 13, through hole; 14, limit groove; 15, rotating shaft; 16, sealing plate; 17, threaded rod. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figure 1-4The utility model provides a technical solution: a cyclone desander for natural gas exploitation, comprising a desander barrel 1, a mounting plate 2 is arranged in the middle of the desander barrel 1, a mounting hole 3 is arranged in the middle of the mounting plate 2, a mounting groove 4 is arranged at the top of the mounting hole 3, an inner barrel 5 is arranged at the bottom of the mounting plate 2, a filter element fixing frame 6 is arranged in the mounting groove 4, a filter element 7 is arranged at the bottom of the filter element fixing frame 6, a fixing block 101 is arranged in the upper part of the desander barrel 1, a slide groove 8 is arranged on the fixing block 101, a positioning port 9 of the slide groove 8, a positioning rod 10 is arranged in the positioning port 9, and a pressing plate 11 is arranged at the bottom of the positioning rod 10, A threaded hole 12 is provided in the middle of the positioning rod 10, a top cover 102 is provided on the top of the sand removal cylinder 1, a through hole 13 is provided in the middle of the top cover 102, a limiting groove 14 is provided in the middle of the inner wall of the through hole 13, a rotating shaft 15 is provided in the through hole 13, a sealing plate 16 matching the limiting groove 14 is provided on the rotating shaft 15, a threaded rod 17 is provided at the bottom of the rotating shaft 15, the rotating shaft 15 is rotated, the rotating shaft 15 drives the threaded rod 17 to rotate, the threaded rod 17 matches the threaded hole 12, so that the positioning rod 10 moves downward, the positioning rod 10 moves downward, moves to the bottom of the positioning port 9, and the top cover 101 is rotated. , the top cover 101 drives the pressure plate 11 to move, the pressure plate 11 drives the positioning rod 10 to rotate, the positioning rod 10 rotates into the slide slot 8 through the connecting groove 91, and the top cover 102 is moved upward, the top cover 102 drives the positioning rod 10 to move upward through the threaded rod 17, the positioning rod 10 moves upward through the slide slot 8 and is separated from the sand removal cylinder 1. After the top cover 102 is separated from the sand removal cylinder 1, the filter element fixing frame 6 and the filter element 7 are taken out, and the filter element 7 is cleaned. After the filter element 7 is cleaned, the filter element 7 is installed in the sand removal cylinder, and the top cover 102 is placed on the top of the sand removal cylinder 1. When installing the top cover, it is necessary to pay attention to The positioning rod 10 moves downward along the slide groove 8. After the top cover 102 is installed, the top cover 102 is rotated (the rotation direction is opposite to the rotation direction when the top cover 102 is opened). The top cover drives the positioning rod 10 to rotate through the pressure plate 11. The positioning rod 10 is rotated to the positioning port 9 through the connecting groove 91, and then the rotating shaft 15 is reversed. The rotating shaft 15 drives the threaded rod 17 to rotate, so that the positioning rod 10 moves upward. The positioning rod 10 moves upward and clamps the top of the positioning port 9. Under the reaction force state, the rotating shaft drives the top cover 102 to move downward through the sealing plate 16, and the processed sealing cover 102 is fixed firmly.

[0018] A connecting groove 91 is provided between the positioning opening 9 and the slide groove 8, and the top of the connecting groove 91 is lower than the top of the positioning opening 9. After the positioning rod 10 is stuck to the top of the positioning opening 10, the positioning rod 10 cannot move, thereby fixing the top cover 102 firmly.

[0019] A through slot 111 is provided in the middle of the pressing plate 11, and the positioning rod 10 passes through the through slot 111, and the positioning rod 10 is slidably connected to the inner wall of the through slot 111. When the top cover 102 is rotated, the top cover 102 drives the positioning rod 10 to rotate through the pressing plate 11. At the same time, when the positioning rod 10 is tightened or loosened, the positioning rod 10 slides in the slide slot 111;

[0020] A handle is provided on the top of the rotating shaft 15, and the threaded rod 17 cooperates with the threaded hole 12 provided in the middle of the positioning rod 10. The rotating shaft 15 drives the threaded rod 17 to rotate by rotating the rotating shaft through the handle, and the threaded rod 17 cooperates with the threaded hole 12 to move the positioning rod 10 upward or downward;

[0021] The inner cylinder 5 is fixedly connected to the bottom of the mounting plate 2, and an opening is provided at the bottom of the inner cylinder 5. The inner cylinder 5 is communicated with the desanding cylinder 1 to remove sand from the natural gas.

[0022] Working principle: Rotate the rotating shaft 15, the rotating shaft 15 drives the threaded rod 17 to rotate, the threaded rod 17 cooperates with the threaded hole 12, so that the positioning rod 10 moves downward, the positioning rod 10 moves downward, moves to the bottom of the positioning port 9, rotate the top cover 101, the top cover 101 drives the pressure plate 11 to move, the pressure plate 11 drives the positioning rod 10 to rotate, the positioning rod 10 rotates to the slide groove 8 through the connecting groove 91, and moves the top cover 102 upward. The top cover 102 drives the positioning rod 10 to move upward through the threaded rod 17, and the positioning rod 10 moves upward through the slide groove 8 and is separated from the sand removal cylinder 1. After the top cover 102 is separated from the sand removal cylinder 1, the filter element fixing frame 6 and the filter element 7 are taken out, and the filter element 7 is cleaned. After the cleaning of the filter element 7 is completed Finally, install the filter element 7 into the sand removal cylinder and place the top cover 102 on the top of the sand removal cylinder 1. When installing the top cover, pay attention to moving the positioning rod 10 downward along the slide groove 8. After the top cover 102 is installed, rotate the top cover 102 (the rotation direction is opposite to the rotation direction when the top cover 102 is opened). The top cover drives the positioning rod 10 to rotate through the pressure plate 11. The positioning rod 10 rotates to the positioning port 9 through the connecting groove 91, and then the rotating shaft 15 is reversed. The rotating shaft 15 drives the threaded rod 17 to rotate, so that the positioning rod 10 moves upward. The positioning rod 10 moves upward and clamps the top of the positioning port 9. Under the reaction force state, the rotating shaft drives the top cover 102 to move downward through the sealing plate 16, and the processed sealing cover 102 is fixed firmly.

[0023] Although 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 cyclone desander for natural gas exploitation, comprising a desander cylinder (1), characterized in that: A mounting plate (2) is provided in the middle of the sand removal cylinder (1), a mounting hole (3) is provided in the middle of the mounting plate (2), a mounting groove (4) is provided at the top of the mounting hole (3), an inner cylinder (5) is provided at the bottom of the mounting plate (2), a filter element fixing frame (6) is provided in the mounting groove (4), a filter element (7) is provided at the bottom of the filter element fixing frame (6), a fixing block (101) is provided in the upper part of the sand removal cylinder (1), a slide groove (8) is provided on the fixing block (101), a positioning opening (9) is provided in the slide groove (8), and a filter element (7) is provided in the positioning opening (9). A positioning rod (10) is arranged, a pressure plate (11) is arranged at the bottom of the positioning rod (10), a threaded hole (12) is arranged in the middle of the positioning rod (10), a top cover (102) is arranged at the top of the sand removal cylinder (1), a through hole (13) is arranged in the middle of the top cover (102), a limiting groove (14) is arranged in the middle of the inner wall of the through hole (13), a rotating shaft (15) is arranged in the through hole (13), a sealing plate (16) matched with the limiting groove (14) is arranged on the rotating shaft (15), and a threaded rod (17) is arranged at the bottom of the rotating shaft (15).

2. A cyclone desander for natural gas exploitation according to claim 1, characterized in that: A connecting groove (91) is provided between the positioning opening (9) and the sliding groove (8), and the top of the connecting groove (91) is lower than the top of the positioning opening (9).

3. A cyclone desander for natural gas exploitation according to claim 1, characterized in that: A through slot (111) is provided in the middle of the pressure plate (11), the positioning rod (10) passes through the through slot (111), and the positioning rod (10) is slidably connected to the inner wall of the through slot (111).

4. A cyclone desander for natural gas exploitation according to claim 1, characterized in that: A handle is provided at the top of the rotating shaft (15), and the threaded rod (17) matches with a threaded hole (12) provided in the middle of the positioning rod (10).

5. A cyclone desander for natural gas exploitation according to claim 1, characterized in that: The inner cylinder (5) is fixedly connected to the bottom of the mounting plate (2), and an opening is provided at the bottom of the inner cylinder (5).

Citation Information

Patent Citations

  • Rotational flow sand remover

    CN212856223U