Flame arrester for chemical safety production

Abstract

The utility model discloses a flame arrester for chemical safety production, and relates to the technical field of flame arresters. A chemical safety production flame arrester comprises a flame arrester body and further comprises a connecting base, two sets of symmetrical open grooves are formed in the connecting base, limiting blocks are connected into the open grooves in a reciprocating sliding mode, a screw is connected to the connecting base in a sliding mode, a limiting groove is formed in the screw, and the limiting groove is in a ladder shape; when the metal corrugated plate, the ceramic fiber layer and the metal wire mesh need to be detached, the clamping block grooves in the metal corrugated plate, the ceramic fiber layer and the metal wire mesh are continuously pressed, the limiting groove in the bottom of the screw rod continuously rotates, the smooth end of the bottom is attached to the limiting block, the limiting block is disengaged from the limiting groove, the clamping block grooves are disengaged from the built-in sliding shell, and therefore the effect of convenient assembly and disassembly is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of flame arresters, and in particular relates to a flame arrester for safe production of chemical industry. Background Art

[0002] The chemical industry involves a large number of flammable, explosive, toxic and harmful substances in the production process. Once an accident occurs, the consequences will be disastrous. Therefore, chemical companies have extremely high requirements for the reliability and stability of safety equipment. Flame arresters are one of the important safety equipment in chemical production. Their normal operation is crucial to preventing fire and explosion accidents.

[0003] However, due to the complex and changeable environment of chemical production, flame arresters are easily affected by various factors during long-term use and may be damaged or have their performance degraded. For example, high temperature, high pressure, corrosive media, etc. may cause the internal structure of the flame arrester to deform, corrode or clog, thereby affecting its flame retardant performance. In order to ensure the safety of chemical production, flame arresters need to be regularly maintained and inspected. Traditional flame arresters are usually integral structures. Once a problem occurs, the entire flame arrester needs to be disassembled for repair or replacement, which is not only time-consuming and labor-intensive, but also increases the company's production costs and downtime. In view of this, the present utility model is specially proposed. Utility Model Content

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a chemical production safety flame arrester that can overcome the above problems or at least partially solve the above problems.

[0005] In order to solve the above technical problems, the basic idea of ​​the technical solution adopted by the utility model is: a chemical production safety flame arrester, including a flame arrester body, and also including: a connecting seat, the connecting seat is provided with two groups of symmetrical grooves, a limiting block is slidably connected to the groove, and a screw is slidably connected to the connecting seat, and one end of the screw is provided with a limiting groove; when the limiting groove rotates toward the end away from the limiting block, the limiting block slides on the periphery of the bottom of the screw to lock the screw in the connecting seat; when the limiting groove rotates toward the end close to the limiting block, the limiting block slides inside the limiting groove to disengage the screw in the connecting seat; an internal sliding shell, the internal sliding shell is sleeved on the connecting seat, the periphery of the internal sliding shell is slidably connected to an external fixed shell, and the external fixed shell is fixedly connected to an inner shell, and when the internal sliding shell rotates on the external fixed shell, the external fixed shell supports the internal sliding shell through the inner shell.

[0006] Furthermore, an outer shell is fixedly mounted on the flame arrester body, and an inner shell, a base, a metal corrugated plate, a ceramic fiber layer and a metal wire mesh are arranged inside the outer shell, and the outer shell wraps the inner shell, the base, the metal corrugated plate, the ceramic fiber layer and the metal wire mesh.

[0007] Furthermore, one end of the metal corrugated plate, the ceramic fiber layer and the metal wire mesh close to the built-in sliding shell is fixedly connected with a clamping block groove.

[0008] Furthermore, a first piston block is slidably connected to one end of the built-in sliding shell near the block groove, and the first piston block is connected to the second piston block through a connecting rod. A threaded groove is provided at one end of the built-in sliding shell near the second piston block for rotating the second piston block on the inner wall of the built-in sliding shell.

[0009] Furthermore, a return spring is fixedly connected to the connecting seat, and the screw rod and the connecting seat are fixedly connected via the return spring.

[0010] Furthermore, a limiting spring is fixedly connected to the limiting block, and the limiting spring is symmetrically fixedly connected to both ends of the connecting seat.

[0011] Furthermore, it also includes a snap assembly, in which a fixed column is provided, and the tops of the external fixed shell and the internal sliding shell are fixedly connected to multiple fixed columns, and a retraction rod is rotatably connected to the fixed column, and the external fixed shell and the internal sliding shell are connected through the fixed column and the retraction rod.

[0012] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: when it is necessary to disassemble the metal corrugated plate, ceramic fiber layer and metal wire mesh, the present invention continues to press the block groove thereon, and the limiting groove at the bottom of the screw continues to rotate, so that the smooth end of the bottom is attached to the limiting block, so that the limiting block is separated from the limiting groove, and the block groove is separated from the built-in sliding shell, thereby achieving the effect of convenient loading and unloading. The metal corrugated plate has good mechanical strength and heat dissipation performance, and can withstand a certain amount of pressure and impact. At the same time, its special corrugated shape increases the resistance to flame propagation and the heat dissipation area. The ceramic fiber layer has excellent high temperature resistance and thermal insulation performance, which can effectively block the heat transfer of the flame and reduce the flame temperature. The metal wire mesh can further divide and disperse the flame, increase the contact area between the flame and the fire-retardant material, and improve the fire-retardant effect.

[0013] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In the attached figure:

[0015] Figure 1 This is a front view schematic diagram of a chemical production safety flame arrester proposed by the utility model;

[0016] Figure 2 This is a front view schematic diagram of an external fixed shell in a chemical production safety flame arrester proposed by the present invention;

[0017] Figure 3This is a schematic structural diagram of the inner shell of a chemical production safety flame arrester proposed by the utility model;

[0018] Figure 4 A chemical safety production flame arrester proposed in this utility model Figure 3 Schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 5 This is a structural diagram of the base and the first piston block in a chemical production safety flame arrester proposed by the utility model;

[0020] Figure 6 This is a structural diagram of the base and connecting seat in a chemical production safety flame arrester proposed by the utility model;

[0021] Figure 7 This utility model proposes a chemical production safety flame arrester Figure 6 Schematic diagram of the enlarged structure at B in the middle;

[0022] Figure 8 This is a front view schematic diagram of a screw and a limiting groove in a chemical production safety flame arrester proposed by the present invention;

[0023] Figure 9 This is a structural schematic diagram of an external fixed shell and an internal fixed shell in a chemical production safety flame arrester proposed by the utility model.

[0024] In the figure: 1. flame arrester body; 2. outer shell; 21. inner shell; 22. base; 221. second piston block; 222. threaded groove; 23. connecting seat; 24. return spring; 25. limiting spring; 26. limiting block; 27. screw; 28. limiting groove; 3. metal corrugated plate; 31. ceramic fiber layer; 32. metal wire mesh; 4. clamping block groove; 5. snap assembly; 51. external fixed shell; 52. internal sliding shell; 53. fixing column; 54. retracting rod; 6. first piston block. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0026] Example 1: Reference Figures 1-9A flame arrester for chemical production safety, comprising a flame arrester body 1, further comprising: a connecting seat 23, two sets of symmetrical slots are provided on the connecting seat 23, a limiting block 26 is slidably connected in the slot, a screw 27 is slidably connected to the connecting seat 23, and a limiting slot 28 is provided at one end of the screw 27; when the limiting slot 28 rotates toward the end away from the limiting block 26, the limiting block 26 slides on the bottom periphery of the screw 27 to lock the screw 27 in the connecting seat 23; when the limiting slot 28 rotates toward the end away from the limiting block 26, the limiting block 26 slides on the bottom periphery of the screw 27 to lock the screw 27 in the connecting seat 23; When one end of the limiting block 26 rotates, the limiting block 26 slides inside the limiting groove 28 to disengage the screw 27 from the connecting seat 23; the internal sliding shell 52 is sleeved on the connecting seat 23, and the outer periphery of the internal sliding shell 52 is slidably connected to the external fixed shell 51, and the external fixed shell 51 is fixedly connected to the inner shell 21. When the internal sliding shell 52 rotates on the external fixed shell 51, the external fixed shell 51 supports the internal sliding shell 52 through the inner shell 21;

[0027] The flame arrester body 1 is fixedly mounted with an outer shell 2, and an inner shell 21, a base 22, a metal corrugated plate 3, a ceramic fiber layer 31 and a metal wire mesh 32 are arranged in the outer shell 2. The outer shell 2 wraps the inner shell 21, the base 22, the metal corrugated plate 3, the ceramic fiber layer 31 and the metal wire mesh 32;

[0028] The ends of the metal corrugated plate 3, the ceramic fiber layer 31 and the metal wire mesh 32 close to the built-in sliding shell 52 are all fixedly connected with a block groove 4;

[0029] The first piston block 6 is slidably connected to one end of the built-in sliding housing 52 near the block groove 4. The first piston block 6 is connected to the second piston block 221 via a connecting rod. A threaded groove 222 is formed on the end of the built-in sliding housing 52 near the second piston block 221 for rotating the second piston block 221 on the inner wall of the built-in sliding housing 52.

[0030] A return spring 24 is fixedly connected to the connecting seat 23, and the screw 27 is fixedly connected to the connecting seat 23 via the return spring 24;

[0031] The limiting block 26 is fixedly connected to a limiting spring 25, and the limiting spring 25 is symmetrically fixedly connected to both ends of the connecting seat 23;

[0032] The device further includes a snap assembly 5, wherein a fixing column 53 is provided inside the snap assembly 5. A plurality of fixing columns 53 are fixedly connected to the top of the external fixed shell 51 and the internal sliding shell 52. A retractable rod 54 is rotatably connected to the fixing columns 53. The external fixed shell 51 and the internal sliding shell 52 are connected via the fixing columns 53 and the retractable rod 54.

[0033] When installing the metal corrugated plate 3, the ceramic fiber layer 31 and the metal wire mesh 32, directly align the bottom block groove 4 with the top of the built-in sliding shell 52 on the buckle assembly 5, the block groove 4 first contacts the first piston block 6, and the first piston block 6 drives the bottom connecting rod and the second piston block 221 to move downward in the threaded groove 222 on the inner wall of the built-in sliding shell 52. At the same time, the built-in sliding shell 52 starts to rotate, and the top fixed column 53 drives the retraction rod 54 to start rotating and retracting. The fixed column 53 at the other end of the retraction rod 54 is fixed in the external fixed shell 51. The three groups of retraction rods 54 approach each other to limit the block groove 4, and the connecting seat 23 is connected at the same time. The limiting groove 28 at the bottom of the screw 27 at the bottom starts to rotate, and the limiting block 26 reaches the inside of the limiting groove 28 under the action of the limiting spring 25, restricting the screw 27 and at the same time restricting the inside of the built-in sliding shell 52, so that the block groove 4 is stable inside the built-in sliding shell 52. When it is necessary to remove the metal corrugated plate 3, the ceramic fiber layer 31 and the metal wire mesh 32, continue to press the block groove 4 thereon, and the limiting groove 28 at the bottom of the screw 27 continues to rotate, so that the smooth end of the bottom is attached to the limiting block 26, so that the limiting block 26 is separated from the limiting groove 28, and the block groove 4 is separated from the built-in sliding shell 52, thereby achieving the effect of convenient loading and unloading.

[0034] The metal corrugated plate 3 has good mechanical strength and heat dissipation performance, and can withstand certain pressure and impact. At the same time, its special corrugated shape increases the resistance to flame propagation and the heat dissipation area. The ceramic fiber layer 31 has excellent high temperature resistance and heat insulation performance, which can effectively block the heat transfer of the flame and reduce the flame temperature. The metal wire mesh 32 can further divide and disperse the flame, increase the contact area between the flame and the fire-retardant material, and improve the fire-retardant effect.

[0035] When the metal corrugated plate 3, ceramic fiber layer 31 and metal mesh 32 need to be disassembled, the block slot 4 thereon is continuously pressed, and the limiting slot 28 at the bottom of the screw 27 continues to rotate, so that the smooth end of the bottom is attached to the limiting block 26, so that the limiting block 26 is disengaged from the limiting slot 28, and the block slot 4 is disengaged from the built-in sliding shell 52, thereby achieving the purpose of facilitating loading and unloading. The metal corrugated plate 3 has good mechanical strength and heat dissipation performance, and can withstand a certain amount of pressure and impact. At the same time, its special corrugated shape increases the resistance to flame propagation and the heat dissipation area. The ceramic fiber layer 31 has excellent high temperature resistance and heat insulation performance, and can effectively block the heat transfer of the flame and reduce the flame temperature. The metal mesh 32 can further divide and disperse the flame, increase the contact area between the flame and the fire-retardant material, and improve the fire-retardant effect.

[0036] The above description is merely a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention.

Claims

1. A chemical production safety flame arrester, characterized in that: The invention comprises a flame arrester body (1), and further comprises: A connecting seat (23), wherein two groups of symmetrical slots are formed on the connecting seat (23), wherein limiting blocks (26) are slidably connected in the slots, and a screw rod (27) is slidably connected to the connecting seat (23), wherein one end of the screw rod (27) is formed with a limiting slot (28); When the limiting groove (28) rotates toward the end away from the limiting block (26), the limiting block (26) slides on the periphery of the bottom of the screw rod (27) to lock the screw rod (27) in the connecting seat (23); When the limiting groove (28) rotates toward one end close to the limiting block (26), the limiting block (26) slides inside the limiting groove (28) to disengage the screw rod (27) from the connecting seat (23); A built-in sliding shell (52) is sleeved on a connecting seat (23); the periphery of the built-in sliding shell (52) is slidably connected to an external fixed shell (51); the external fixed shell (51) is fixedly connected to an inner shell (21); when the built-in sliding shell (52) rotates on the external fixed shell (51), the external fixed shell (51) supports the built-in sliding shell (52) through the inner shell (21).

2. A chemical production safety flame arrester according to claim 1, characterized in that: An outer shell (2) is fixedly mounted on the flame arrester body (1); an inner shell (21), a base (22), a metal corrugated plate (3), a ceramic fiber layer (31), and a metal wire mesh (32) are arranged inside the outer shell (2); and the outer shell (2) wraps the inner shell (21), the base (22), the metal corrugated plate (3), the ceramic fiber layer (31), and the metal wire mesh (32).

3. A chemical production safety flame arrester according to claim 2, characterized in that: One end of the metal corrugated plate (3), the ceramic fiber layer (31) and the metal wire mesh (32) close to the built-in sliding shell (52) is fixedly connected to a block groove (4).

4. A chemical production safety flame arrester according to claim 3, characterized in that: A first piston block (6) is slidably connected to one end of the built-in sliding housing (52) near the block groove (4), and the first piston block (6) is connected to the second piston block (221) via a connecting rod. A threaded groove (222) is provided at one end of the built-in sliding housing (52) near the second piston block (221) for rotating the second piston block (221) on the inner wall of the built-in sliding housing (52).

5. A chemical production safety flame arrester according to claim 1, characterized in that: A return spring (24) is fixedly connected to the connecting seat (23), and the screw rod (27) is fixedly connected to the connecting seat (23) via the return spring (24).

6. A chemical production safety flame arrester according to claim 1, characterized in that: The limiting block (26) is fixedly connected with a limiting spring (25), and the limiting spring (25) is symmetrically fixedly connected to the two ends of the connecting seat (23).

7. A chemical production safety flame arrester according to claim 1, characterized in that: The invention also includes a snap assembly (5), wherein a fixing column (53) is provided in the snap assembly (5), and the tops of the external fixed shell (51) and the internal sliding shell (52) are fixedly connected with a plurality of fixing columns (53), and the fixing columns (53) are rotatably connected with a retractable rod (54), and the external fixed shell (51) and the internal sliding shell (52) are connected via the fixing columns (53) and the retractable rod (54).

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