Oil and gas pipeline flame arrester with self-cleaning function

Abstract

The utility model discloses an oil and gas pipeline flame arrester with a self-cleaning function, which comprises an outer shell, a fixed seat is arranged on the outer surface of the outer shell, a guide rod is fixedly connected to the inner side wall of the fixed seat, and a movable ring is sleeved on the outer surface of the guide rod; according to the flame arrester, the air cylinder, the movable plate, the strong magnetic attraction stone and the rubber friction pad are combined for use, the inner side wall of the outer shell can be conveniently cleaned subsequently, the situation that due to long-time use, many impurities are left on the inner side wall of the outer shell, and consequently normal use of the whole flame arrester subsequently is affected is prevented, when the air cylinder works, a movable ring is pushed, and the service life of the flame arrester is prolonged. And then the movement of the movable ring drives the strong magnetic attraction stone to synchronously move along with the strong magnetic attraction stone, synchronous movement of the iron block is achieved through mutual attraction of the strong magnetic attraction stone and the iron block, then transverse movement of the movable plate is achieved, and cleaning treatment on the inner side wall of the outer shell is achieved through rubber friction pads distributed on the surface of the movable plate at equal intervals.

Description

Technical Field

[0001] The utility model relates to the field of oil and gas pipeline flame arresters with a self-cleaning function, in particular to an oil and gas pipeline flame arrester with a self-cleaning function. Background Art

[0002] Flame arresters are designed and manufactured based on the principle that flames are extinguished due to heat loss when passing through the narrow pores of heat conductors. The flame arrester has a fire barrier structure of gravel type, wire mesh type or corrugated type. It is suitable for combustible gas pipelines, such as gasoline, kerosene, light diesel, benzene, toluene, crude oil and other oil storage and filling or torch systems, gas purification and ventilation systems, gas analysis systems, coal mine gas emission systems, heating furnace fuel gas pipelines, and can also be used in acetylene, oxygen, nitrogen, and natural gas pipelines.

[0003] For example, the utility model with authorization announcement number CN216908972U discloses an oil and gas pipeline flame arrester with a self-cleaning function, in which a sealing gasket is fixedly connected to the outer end of the second limit rod, and a threaded groove is cut at the outer end of the sealing gasket, which matches the texture of the inner wall of the slide groove. By arranging the sealing gasket, the air tightness between the slide groove and the flame arrester housing can be enhanced to avoid internal gas leakage. However, most of the oil and gas pipeline flame arresters currently have a lot of impurities remaining on their inner walls after long-term use, which may cause blockage inside the pipeline in the long run, affecting the subsequent normal use, thereby causing unnecessary trouble. Utility Model Content

[0004] In order to overcome the deficiencies in the prior art, the utility model provides an oil and gas pipeline flame arrester with a self-cleaning function, which can solve the problem that the outer end of the second limit rod of the existing oil and gas pipeline flame arrester is fixedly connected with a sealing gasket, and the outer end of the sealing gasket is chiseled with a threaded groove, and the threaded groove is consistent with the inner wall texture of the slide groove. By arranging the sealing gasket, the air tightness between the slide groove and the flame arrester shell can be enhanced to avoid internal gas leakage. However, most of the oil and gas pipeline flame arresters currently have a lot of impurities on their inner walls after long-term use, which may cause blockage inside the pipeline in the long run, affecting the subsequent normal use, thereby causing unnecessary troublesome technical problems.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: an oil and gas pipeline flame arrester with a self-cleaning function, comprising an outer shell, a fixed seat is provided on the outer surface of the outer shell, and a guide rod is fixedly connected to the inner wall of the fixed seat, a movable ring is sleeved on the outer surface of the guide rod, and a through hole is opened on the surface of one end of the movable ring, a strong magnetic stone is provided on the inner wall of the movable ring, a cylinder is distributed on one side of the guide rod, a movable plate is provided on the inner cavity of one end of the outer shell, and an iron block is provided on the outer surface of the movable plate, a rubber friction pad is distributed on one side of the iron block, and a fire-blocking structure is provided inside the middle section of the outer shell.

[0006] As a preferred technical solution of the utility model, the fire-blocking structure includes a fire-blocking core, a connecting rod, a threaded joint, an arc-shaped limit plate and a sealing gasket. The fire-blocking core is arranged inside the middle section of the outer shell, and a connecting rod is arranged at the top of the fire-blocking core, a threaded joint is distributed above the connecting rod, and an arc-shaped limit plate is arranged at the top of the threaded joint, and a sealing gasket is attached to the top of the inner side wall of the outer shell.

[0007] As a preferred technical solution of the present utility model, the fixing seats are equidistantly distributed along the center point of the outer shell, and the fixing seats are symmetrically distributed along the vertical center line of the outer shell.

[0008] As a preferred technical solution of the utility model, the strong magnetic stones are distributed equidistantly along the center point of the movable ring, and the strong magnetic stones are engaged with the movable ring.

[0009] As a preferred technical solution of the utility model, the rubber friction pads are equidistantly distributed along the center point of the movable plate, and the rubber friction pads are attached to the inner side wall of the outer shell.

[0010] As a preferred technical solution of the utility model, the threaded joint is threadedly connected with the connecting rod through a thread groove, and the connecting rod penetrates the side wall of the outer shell and extends to the outside of the outer shell.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. By using the combination of the provided cylinder, movable plate, strong magnetic absorber and rubber friction pad, it is convenient to clean the inner wall of the outer shell body in the future, and prevent the inner wall from having more impurities due to long-term use, thereby affecting the normal use of the entire flame arrester in the future and causing unnecessary trouble. When the cylinder is working, it will push the movable ring, and then the movement of the movable ring will drive the strong magnetic absorber to move synchronously, and then the mutual attraction between the strong magnetic absorber and the iron block will be used to realize the synchronous movement of the iron block, and then the lateral movement of the movable plate will be realized, so as to use the rubber friction pads equidistantly distributed on the surface of the movable plate to realize the cleaning of the inner wall of the outer shell body;

[0013] 2. The combined use of the connecting rod, the threaded joint and the mutual limiting plates can facilitate the subsequent rapid disassembly and installation of the fire-blocking core, which has higher practicality. Since a threaded groove is provided at the top of the connecting rod, the threaded connection with the connecting rod can be achieved in combination with the thread provided on the surface of the threaded joint, thereby realizing the rapid installation of the fire-blocking core, which has higher practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the oil and gas pipeline flame arrester with self-cleaning function of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the outer shell of the oil and gas pipeline flame arrester with self-cleaning function of the utility model;

[0016] Figure 3 This is a side structural diagram of the movable plate of the oil and gas pipeline flame arrester with self-cleaning function of the utility model;

[0017] Figure 4 This is a side view structural diagram of the movable ring of the oil and gas pipeline flame arrester with self-cleaning function of the utility model;

[0018] Among them: 1. outer shell; 2. fixed seat; 3. guide rod; 4. movable ring; 5. through hole; 6. strong magnetic absorber; 7. cylinder; 8. movable plate; 9. iron block; 10. rubber friction pad; 11. fire-blocking core; 12. connecting rod; 13. threaded joint; 14. arc limit plate; 15. sealing pad. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0020] Example

[0021] Please refer to Figure 1 As shown, the utility model provides an oil and gas pipeline flame arrester with a self-cleaning function, comprising an outer shell 1, a fixing seat 2 is arranged on the outer surface of the outer shell 1, and a guide rod 3 is fixedly connected to the inner side wall of the fixing seat 2, a movable ring 4 is sleeved on the outer surface of the guide rod 3, and a through hole 5 is opened on the surface of one end of the movable ring 4, a strong magnetic stone 6 is arranged on the inner side wall of the movable ring 4, a cylinder 7 is distributed on one side of the guide rod 3, a movable plate 8 is arranged on the inner cavity at one end of the outer shell 1, and an iron block 9 is arranged on the outer surface of the movable plate 8, a rubber friction pad 10 is distributed on one side of the iron block 9, and a fire-blocking structure is arranged inside the middle section of the outer shell 1;

[0022] When in use, the fire-blocking core 11 is first installed on the inner side of the outer shell 1, which is convenient for the subsequent fire-blocking purpose. After use, the fire-blocking core 11 is disassembled, and then the cylinder 7 is used to realize the lateral movement of the movable plate 8, thereby realizing the cleaning of the inner wall of the outer shell 1.

[0023] As a further implementation of this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a fixing seat 2 is provided on the outer surface of the outer shell 1, and a guide rod 3 is fixedly connected to the inner side wall of the fixing seat 2. The fixing seats 2 are equidistantly distributed along the center point of the outer shell 1, and the fixing seats 2 are symmetrically distributed along the vertical center line of the outer shell 1. A movable ring 4 is sleeved on the outer surface of the guide rod 3, and a through hole 5 is opened on the surface of one end of the movable ring 4. A strong magnetic stone 6 is provided on the inner side wall of the movable ring 4. The strong magnetic stone 6 is equidistantly distributed along the center point of the movable ring 4, and the strong magnetic stone 6 and the movable ring 4 form a chimeric connection. A cylinder 7 is distributed on one side of the guide rod 3, and a movable plate 8 is provided in the inner cavity at one end of the outer shell 1, and an iron block 9 is provided on the outer surface of the movable plate 8. A rubber friction pad 10 is distributed on one side of the iron block 9. 10 are equidistantly distributed along the center point of the movable plate 8, and the rubber friction pad 10 is attached to the inner side wall of the outer shell 1, the fire-blocking core 11 is arranged inside the middle section of the outer shell 1, and a connecting rod 12 is arranged at the top of the fire-blocking core 11, and a threaded joint 13 is threadedly connected with the connecting rod 12 through a threaded groove, and the connecting rod 12 passes through the side wall of the outer shell 1 and extends to the outside of the outer shell 1, and a threaded joint 13 is distributed above the connecting rod 12, and an arc-shaped limiting plate 14 is arranged at the top of the threaded joint 13, and a sealing gasket 15 is attached to the top of the inner side wall of the outer shell 1, and the fire-blocking core 11, the connecting rod 12, the threaded joint 13, the arc-shaped limiting plate 14 and the sealing gasket 15 constitute a fire-blocking structure, and the fire-blocking structure is arranged inside the middle section of the outer shell 1;

[0024] When in use, first place the sealing gasket 15 on the top side wall of the middle part of the inner cavity of the outer shell 1, then the connecting rod 12 set at the top of the fire-blocking core 11 penetrates the sealing gasket 15 and extends to the outside of the outer shell 1, and then the threaded connection between the threaded joint 13 and the connecting rod 12 is used to realize the positioning of the fire-blocking core 11. After the two are connected, the arc-shaped limit plate 14 will fit the outer surface of the outer shell 1, improving the stability of the installation of the fire-blocking core 11. When the inner wall of the outer shell 1 needs to be cleaned after use, the cylinder 7 works to push the movable laterally. The movable ring 4 is then moved laterally along the guide rod 3 through the through hole 5. Since the inner wall of the movable ring 4 is equidistantly distributed with multiple strong magnetic stones 6, the arrangement of the strong magnetic stones 6 can drive the synchronous movement of the iron block 9. Since the iron block 9 is fixedly installed with the movable plate 8, the synchronous lateral movement of the movable plate 8 can be achieved. In this way, the inner wall of the outer shell 1 can be cleaned by utilizing multiple rubber friction pads 10 arranged on the surface of the movable plate 8. The whole structure is simple and convenient to use and has higher practicality.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An oil and gas pipeline flame arrester with a self-cleaning function, comprising an outer shell (1), characterized in that: The outer surface of the outer shell (1) is provided with a fixed seat (2), and the inner wall of the fixed seat (2) is fixedly connected to a guide rod (3), the outer surface of the guide rod (3) is sleeved with a movable ring (4), and one end surface of the movable ring (4) is provided with a through hole (5), the inner wall of the movable ring (4) is provided with a strong magnetic absorber (6), a cylinder (7) is distributed on one side of the guide rod (3), a movable plate (8) is provided in the inner cavity of one end of the outer shell (1), and an iron block (9) is provided on the outer surface of the movable plate (8), and a rubber friction pad (10) is distributed on one side of the iron block (9), and a fire-blocking structure is provided inside the middle section of the outer shell (1).

2. The oil-gas pipeline flame arrester with self-cleaning function according to claim 1, characterized in that: The fire-blocking structure comprises a fire-blocking core (11), a connecting rod (12), a threaded joint (13), an arc-shaped limiting plate (14) and a sealing gasket (15); the fire-blocking core (11) is arranged inside the middle section of the outer shell (1), and the top end of the fire-blocking core (11) is provided with a connecting rod (12); a threaded joint (13) is distributed above the connecting rod (12), and the top end of the threaded joint (13) is provided with an arc-shaped limiting plate (14); and the top end of the inner wall of the outer shell (1) is affixed with a sealing gasket (15).

3. The oil-gas pipeline flame arrester with self-cleaning function according to claim 1, characterized in that: The fixing seats (2) are distributed equidistantly along the center point of the outer shell (1), and the fixing seats (2) are distributed symmetrically along the vertical center line of the outer shell (1).

4. The oil-gas pipeline flame arrester with self-cleaning function according to claim 1, characterized in that: The strong magnetic absorbers (6) are distributed equidistantly along the center point of the movable ring (4), and the strong magnetic absorbers (6) and the movable ring (4) are in a chimeric connection.

5. The oil-gas pipeline flame arrester with self-cleaning function according to claim 1, characterized in that: The rubber friction pads (10) are distributed at equal distances along the center point of the movable plate (8), and the rubber friction pads (10) are fitted to the inner side wall of the outer shell (1).

6. The oil-gas pipeline flame arrester with self-cleaning function according to claim 2, characterized in that: The threaded joint (13) is threadedly connected to the connecting rod (12) via a thread groove, and the connecting rod (12) penetrates the side wall of the outer shell (1) and extends to the outside of the outer shell (1).

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