Liquid pipeline flame arrester

Abstract

The utility model discloses a liquid pipeline flame arrester which comprises a first shell and a second shell, an assembling bolt is arranged on the edge between the first shell and the second shell, and a connecting flange is arranged on one side of the outer portion of the first shell and one side of the outer portion of the second shell. A stable sealing assembly is arranged on one side of the interior of the first shell and one side of the interior of the second shell, and when the flame arrester is connected with a pipeline, a stable inserting sleeve is inserted into the corresponding pipeline, so that the purpose that the flame arrester and the pipeline are stably connected in a pre-positioning mode is achieved, and the stability of connection between the flame arrester and the pipeline is ensured; the high-temperature-resistant rubber ring enables the connecting position to be tighter, leakage of liquid conveyed in the pipeline due to looseness of the connecting position is avoided, certain high-temperature-resistant performance is achieved, the pipeline is prevented from being burnt out by flames when the interior of the pipeline is on fire, and the service life of the pipeline is prolonged. Therefore, the connection between the flame arrester and the pipeline is more stable and tight.

Description

Technical Field

[0001] The utility model relates to the technical field of flame arresters, in particular to a liquid pipeline flame arrester. Background Art

[0002] Flame arrester is a safety device installed in pipelines that transport flammable gases to prevent the spread of flames of flammable gases and flammable liquid vapors. The use of flame arresters can effectively prevent flashback accidents on pipelines with open flame equipment. Therefore, flame arresters are widely used in mines, coal mines, water transportation and chemical industries.

[0003] For example, a liquid pipeline flame arrester disclosed in the utility model with authorization announcement number CN210644890U includes a shell, an ultraviolet flame monitor is arranged at the top left side of the inner cavity of the shell, the upper and lower ends of the inner cavity of the shell are fixedly connected with the outer ring of the bearing, the inner ring of the bearing is interference-fitted with a rocker, and the right end of the rocker extends out of the inner cavity of the shell, the upper and lower ends of the inner cavity of the shell are symmetrically plugged with a first support plate, the left and right ends of the inner side of the first support plate are arranged with one end of the first spring, the other end of the first spring is arranged with a base, the left and right ends of the outer side of the base are arranged with one end of the second pull rope, and the other end of the second pull rope passes through the first support plate and is wrapped around the outer wall of the rocker. The liquid pipeline flame arrester can effectively improve the effect of fire blocking on the fire source in the liquid pipeline, realize the two-way fire blocking of the liquid pipeline, increase the practicality of the liquid pipeline flame arrester, and better meet the actual use needs. However, in the application process of this technical solution, the flame arrester and the pipeline are fixedly connected by a flange. If the connection is loose, it is easy to cause the connection between the flame arrester and the pipeline to be misaligned, thereby affecting the normal fire-blocking effect of the flame arrester. There is a technical problem that the connection between the flame arrester and the pipeline cannot be firmly sealed. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a liquid pipeline flame arrester, which can solve the problem of fixedly connecting the flame arrester to the pipeline through a flange. If the connection is loose, it is easy to cause the connection between the flame arrester and the pipeline to be misaligned, thereby affecting the normal fire-blocking effect of the flame arrester. There is a technical problem that the connection between the flame arrester and the pipeline cannot be firmly sealed.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a liquid pipeline flame arrester, comprising a first shell and a second shell, a combination bolt is arranged at the edge between the first shell and the second shell, a connecting flange is arranged on one side of the outside of the first shell and the second shell, a fire arrester core is arranged between the inside of the first shell and the second shell, a pressure plate is arranged in the first shell on one side of the fire arrester core, a supporting ring is arranged in the second shell on the other side of the fire arrester core, a stabilizing sleeve is arranged on one side of the inside of the first shell and the second shell, a high temperature resistant rubber ring is arranged between the outer side of the stabilizing sleeve and one side of the connecting flange, and a connecting assembly is arranged on the inner side between the first shell and the second shell.

[0006] As a preferred technical solution of the utility model, the inner diameter of the stabilizing sleeve is the same as the inner diameter of one side inside the first shell and the second shell, and the vertical section of the high temperature resistant rubber ring is "L" shaped.

[0007] As a preferred technical solution of the utility model, eight groups of combination bolts are provided, and the combination bolts are arranged at equal intervals at the edge between the first shell and the second shell.

[0008] As a preferred technical solution of the utility model, a fastening bolt is arranged at the middle position between the support ring and the pressure plate, and the fastening bolt passes through the middle position inside the fire-blocking core.

[0009] As a preferred technical solution of the utility model, the connection component includes a docking card, which is arranged on the inner side of one side of the first shell, a positioning slot is arranged on the inner side of one side of the second shell, and a sealing sheet is arranged on the outer side of the docking card.

[0010] As a preferred technical solution of the utility model, the docking card, the positioning card slot and the sealing sheet are annular, and the docking card is clamped on the inner side of the positioning card slot.

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

[0012] 1. By arranging a stable sealing component on one side of the first shell and the second shell, when connecting the flame arrester to the pipeline, the stable plug sleeve is first inserted into the corresponding pipeline, so as to achieve the purpose of pre-positioning and stable connection between the flame arrester and the pipeline, ensure the stability of the connection between the flame arrester and the pipeline, and facilitate the subsequent fastening connection operation using the connecting flange. In addition, the high-temperature resistant rubber ring makes the connection tighter, avoids the loose connection causing the liquid transported in the pipeline to leak, and has a certain high-temperature resistance performance, avoids it being burned by the flame when a fire occurs in the pipeline, so that the connection between the flame arrester and the pipeline is more stable and tight, and the feasibility is strong;

[0013] 2. By arranging a connecting assembly on the inner side between the first shell and the second shell, when assembling the flame arrester to connect the first shell with the second shell, the docking card arranged on one side of the first shell is inserted into the positioning card slot arranged on one side of the second shell, so that the first shell and the second shell are accurately docked and combined, and the sealing sheet is used to seal the card joint, thereby facilitating technical workers to assemble the flame arrester and ensuring the sealing effect of the flame arrester, and the operability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0016] Figure 3 It is a side view structural schematic diagram of the utility model;

[0017] Figure 4 For the utility model Figure 2 Enlarged structural diagram at A in the middle.

[0018] Among them: 1. First shell; 2. Combination bolts; 3. Connecting flange; 4. Second shell; 5. Stabilizing sleeve; 6. High temperature resistant rubber ring; 7. Pressure plate; 8. Fire retardant core; 9. Support ring; 10. Fastening bolts; 11. Sealing sheet; 12. Docking card; 13. Positioning slot. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, 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 scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0020] Example

[0021] Please refer to Figure 1-4As shown, the utility model provides a liquid pipeline flame arrester, including a first shell 1 and a second shell 4, a combination bolt 2 is arranged at the edge between the first shell 1 and the second shell 4, eight groups of the combination bolts 2 are arranged, and the combination bolts 2 are arranged at equal intervals at the edge between the first shell 1 and the second shell 4, the first shell 1 and the second shell 4 are connected and fixed by the combination bolts 2, a connecting flange 3 is arranged on one side of the outside of the first shell 1 and the second shell 4, the flame arrester and the pipeline are fixedly connected by the connecting flange 3, a fire arrester core 8 is arranged between the inside of the first shell 1 and the second shell 4, a pressure plate 7 is arranged in the first shell 1 on one side of the fire arrester core 8, a supporting ring 9 is arranged in the second shell 4 on the other side of the fire arrester core 8, a fastening bolt 10 is arranged at the middle position between the supporting ring 9 and the pressure plate 7, the fastening bolt 10 penetrates the middle position inside the fire arrester core 8, the supporting ring 9 and the pressure plate 7 are firmly connected with the fire arrester core 8 by the fastening bolt 10, so that the fire arrester core 8 is firmly installed in the flame arrester housing, and the fire arrester core 8 is used to prevent the flame from spreading in the pipeline;

[0022] As a further implementation of this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, a stabilizing sleeve 5 is provided on one side inside the first shell 1 and the second shell 4, and the inner diameter of the stabilizing sleeve 5 is the same as the inner diameter of one side inside the first shell 1 and the second shell 4. When installing the flame arrester, the stabilizing sleeve 5 is inserted into the corresponding pipeline to achieve the purpose of pre-positioning and stabilizing the connection between the flame arrester and the pipeline, thereby ensuring the stability of the connection between the flame arrester and the pipeline. A high-temperature resistant rubber ring 6 is provided between the outer side of the stabilizing sleeve 5 and one side of the connecting flange 3, and the vertical section of the high-temperature resistant rubber ring 6 is in an "L" shape. The high-temperature resistant rubber ring 6 is used to make the connection tighter, thereby preventing the connection from loosening and causing leakage of the liquid transported in the pipeline. At the same time, it can also prevent the pipeline from being burned by flames when a fire occurs in the pipeline, thereby making the connection between the flame arrester and the pipeline more stable and tight, and having strong feasibility.

[0023] When connecting the flame arrester to the pipeline, first insert the stabilizing sleeve 5 into the corresponding pipeline, so as to pre-position and stably connect the flame arrester to the pipeline, which is convenient for subsequent fastening and connection operation using the connecting flange 3, and the high-temperature resistant rubber ring 6 makes the connection tighter, avoiding the loose connection and leakage of the liquid transported in the pipeline;

[0024] As a further implementation of this embodiment, Figure 1 , Figure 2 and Figure 4As shown, a connecting component is arranged on the inner side between the first shell 1 and the second shell 4, and the connecting component includes an annular docking card 12, which is arranged on the inner side of one side of the first shell 1, and an annular positioning card slot 13 is arranged on the inner side of one side of the second shell 4. When the first shell 1 and the second shell 4 are assembled and installed, the docking card 12 is inserted into the positioning card slot 13, so as to achieve the purpose of accurately docking and assembling the first shell 1 and the second shell 4. An annular sealing sheet 11 is arranged on the outer side of the docking card 12, and the docking card 12 is clamped on the inner side of the positioning card slot 13. The sealing sheet 11 is used to seal the clamping joint, so as to facilitate the technical workers to assemble the flame arrester and ensure the sealing effect of the flame arrester, and the operability is strong;

[0025] When assembling the flame arrester and connecting the first shell 1 and the second shell 4, the docking card 12 provided on one side of the first shell 1 is inserted into the positioning card slot 13 provided on one side of the second shell 4, so that the first shell 1 and the second shell 4 are accurately docked and combined, and the sealing sheet 11 is used to seal the card joint;

[0026] Specific working principle:

[0027] When using the flame arrester, during the pre-assembly process of the flame arrester, the docking card 12 set on one side of the first shell 1 is inserted into the positioning card groove 13 set on one side of the second shell 4, so that the first shell 1 and the second shell 4 are accurately docked and combined, and the sealing sheet 11 is used to seal the card joint, so that the flame arrester shell structure strength is higher, and the support ring 9 and the pressure plate 7 are firmly connected with the fire arrester core 8 by the fastening bolts 10, so that the fire arrester core 8 is firmly installed in the flame arrester shell, and then when the flame arrester is installed, the stabilizing sleeve 5 is first inserted into the corresponding pipeline when connecting the flame arrester to the pipeline, so that the flame arrester and the pipeline are pre-positioned and stably connected, and then the flame arrester and the pipeline are connected by the connecting flange 3, and the connection is made tighter by the high-temperature resistant rubber ring 6 to prevent the connection from loosening and causing leakage of the liquid transported in the pipeline. When a fire accidentally occurs in the pipeline, the fire arrester core 8 is used to prevent the flame in the pipeline from spreading.

[0028] 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. A liquid pipeline flame arrester, comprising a first shell (1) and a second shell (4), characterized in that: A combination bolt (2) is provided at the edge between the first shell (1) and the second shell (4); a connecting flange (3) is provided on one side of the outside of the first shell (1) and the second shell (4); a fire-blocking core (8) is provided between the inside of the first shell (1) and the second shell (4); a pressure plate (7) is provided in the first shell (1) on one side of the fire-blocking core (8); a supporting ring (9) is provided in the second shell (4) on the other side of the fire-blocking core (8); a stabilizing sleeve (5) is provided on one side of the inside of the first shell (1) and the second shell (4); a high-temperature resistant rubber ring (6) is provided between the outer side of the stabilizing sleeve (5) and one side of the connecting flange (3); and a connecting component is provided on the inner side between the first shell (1) and the second shell (4).

2. A liquid pipeline flame arrester according to claim 1, characterized in that: The inner diameter of the stabilizing sleeve (5) is the same as the inner diameter of one side inside the first shell (1) and the second shell (4), and the vertical section of the high temperature resistant rubber ring (6) is in an "L" shape.

3. A liquid pipeline flame arrester according to claim 1, characterized in that: Eight groups of the combination bolts (2) are provided, and the combination bolts (2) are arranged at equal intervals at the edge between the first shell (1) and the second shell (4).

4. A liquid pipeline flame arrester according to claim 1, characterized in that: A fastening bolt (10) is provided at a middle position between the supporting ring (9) and the pressure plate (7), and the fastening bolt (10) penetrates the middle position inside the fire-blocking core (8).

5. The liquid pipeline flame arrester according to claim 1, characterized in that: The connection assembly comprises a docking card (12), wherein the docking card (12) is arranged on the inner side of one side of the first shell (1), a positioning card slot (13) is arranged on the inner side of one side of the second shell (4), and a sealing sheet (11) is arranged on the outer side of the docking card (12).

6. A liquid pipeline flame arrester according to claim 5, characterized in that: The docking card (12), the positioning card slot (13) and the sealing sheet (11) are annular in shape, and the docking card (12) is clamped on the inner side of the positioning card slot (13).

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