Heat dissipation enhanced type burning-resistant flame arrester

Abstract

The utility model discloses an enhanced heat dissipation type burning-resistant flame arrester, and relates to the technical field of flame arresters. The flame arrester comprises a first half shell, a second half shell and a flame arresting assembly, flanges are arranged at openings in the two sides of the first half shell and the second half shell, the flame arresting assembly is located between the first half shell and the second half shell, and the first half shell is detachably connected with the second half shell; and a heat dissipation guide plate is arranged, the heat dissipation guide plate is trumpet-shaped and is fixed in the first half shell, and the heat dissipation guide plate is provided with vent holes. According to the flame arrester, in the flowing process of flame airflow, the heat dissipation flow guide plates can be in full contact with the flame airflow, guide the flame airflow, absorb heat of the airflow and transmit the heat to the heat dissipation fins for heat dissipation, so that the temperature in the flame arrester is reduced, and the burning resistance of the flame arrester is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flame arresters, in particular to an enhanced heat dissipation type burn-resistant flame arrester. Background Art

[0002] Flame arresters, also known as fire preventers, flame isolators, and flame arresters, are composed of solid materials containing numerous tiny channels or slits. They are safety devices that prevent the passage of flames while allowing the flow of gases. Flame arresters are typically installed in tanks and pipelines that transport or discharge flammable and explosive gases. They can suppress the spread of flames in their early stages and effectively suppress detonations if they occur. They are widely used in various storage tanks and pipelines transporting flammable gases in industries such as petroleum, chemical, mining, and transportation.

[0003] Chinese patent CN2778328Y discloses an explosion-proof bellows flame arrester designed to be installed on storage tanks and pipelines to prevent the spread of flames from flammable gases and liquids and to prevent explosions caused by flashbacks. The bellows flame arrester comprises a hollow shell containing a flame barrier layer. However, this flame arrester lacks strong heat dissipation and burn resistance. This lack of heat dissipation can easily lead to high temperatures, shortening its service life. Utility Model Content

[0004] In view of the above-mentioned problems of poor heat dissipation and low burning resistance in existing flame arresters, the utility model provides an enhanced heat dissipation type burning-resistant flame arrester.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] An enhanced heat dissipation type burn-resistant flame arrester includes a first half shell, a second half shell and a fire arrester assembly. Flanges are provided at the openings on both sides of the first half shell and the second half shell. The fire arrester assembly is located between the first half shell and the second half shell. The first half shell and the second half shell are detachably connected. A heat dissipation guide plate is provided. The heat dissipation guide plate is trumpet-shaped and fixed in the first half shell. The heat dissipation guide plate has a vent.

[0007] Furthermore, the heat dissipation guide plate includes a large end and a small end, the large end is located on a side away from the fire-blocking assembly and is fixedly connected to the inner wall of the first half shell, and the small end is located on the other side adjacent to the fire-blocking assembly.

[0008] Furthermore, an opening on one side of the first half shell away from the fire-blocking assembly is an inlet, and a diameter of the vent hole is larger than a diameter of the inlet.

[0009] Further, the first half shell and the second half shell are provided with a plurality of fins on the outer wall.

[0010] Further, the plurality of fins are annular and arranged along the axis direction of the first half shell and the second half shell and fixedly connected with the outer wall of the first half shell and the second half shell.

[0011] Further, the fire blocking assembly comprises a core shell, a core cover, a plurality of fire blocking discs and a connecting rod, the core shell is in the shape of a circular tube, the core cover is arranged at the opening on both sides of the core shell and forms a containing cavity, the plurality of fire blocking discs are arranged in the containing cavity, and the connecting rod penetrates through the core cover and the plurality of fire blocking discs.

[0012] Further, the end of the connecting rod is provided with a thread at both ends, and a nut is threadedly connected with the thread.

[0013] Further, a sleeve is arranged between the connecting rod and the plurality of fire blocking discs, the sleeve is sleeved on the connecting rod, and the plurality of fire blocking discs are sleeved on the sleeve.

[0014] Further, the core cover is provided with a plurality of air holes.

[0015] Further, one side of the cross section of the core shell is in the shape of a Chinese character 'K', comprising a first platform and two second platforms, the first platform is located between the two second platforms, the side wall of the core cover is adjacent to the top surface of the second platform, and the side wall of the plurality of fire blocking discs is adjacent to the top surface of the first platform.

[0016] The beneficial effects of the utility model are as follows: in the utility model, the flame gas flow passes through the heat dissipation guide plate from the large end to the small end, can fully contact and guide the flame gas flow, absorbs the heat of the gas flow, and transmits the heat to the fins on the fire blocking device shell to dissipate heat, thereby reducing the temperature in the fire blocking device and improving the burning resistance of the fire blocking device. When the gas flow produces reverse impact after contacting the fire blocking assembly, the heat dissipation guide plate can guide the gas flow and prevent the reverse propagation of the flame or the impact gas flow, thereby improving the use safety of the fire blocking device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 Fig. 1 is a structural principle schematic view of an embodiment of the utility model.

[0018] Figure 2 Fig. 2 is a top view of the utility model. Figure 1

[0019] Figure 3 Fig. 3 is a sectional view of A in the utility model. Figure 2

[0020] Figure 4 Fig. 4 is a sectional view of B in the utility model. Figure 3 ​​Side view of . DETAILED DESCRIPTION

[0021] The utility model discloses an enhanced heat dissipation type burn-resistant flame arrester. An implementation manner of the utility model is described in detail below with reference to the accompanying drawings.

[0022] like Figure 1 As shown, the enhanced heat dissipation type flame arrester includes a first half shell 1, a second half shell 2, and a flame arrester assembly. Flanges are provided at the openings on both sides of the first half shell 1 and the second half shell 2. The flame arrester assembly is located between the first half shell 1 and the second half shell 2, and the first half shell 1 and the second half shell 2 are detachably connected by bolts.

[0023] Combine Figure 2 and Figure 3 As shown, the fire arrester assembly comprises a core shell 3, a core cover 6, a fire arrester disc 7, and a connecting rod 8. The core shell 3 is tubular, with one side of the core shell 3 forming a convex U-shaped cross-section. It includes a first platform and two second platforms, with the first platform located between the two second platforms and protruding beyond them. The core cover 6 is positioned at the openings on either side of the core shell 3. The side walls of the core cover 6 contact the top surfaces of the second platforms, while the side walls of the fire arrester discs 7 contact the top surfaces of the first platforms. The core cover 6 and the core shell 3 cooperate to form a receiving cavity. The fire arrester discs 7 are arranged along the same axis within the receiving cavity, and the core cover 6 is provided with a plurality of ventilation holes. The connecting rod 8 passes through the core cover 6 and the fire arrester discs 7. Both ends of the connecting rod 8 are threaded and threaded with nuts. The connecting rod 8 and the nuts cooperate to secure the core cover 6 to the fire arrester discs 7. A sleeve 9 is positioned between the fire arrester discs 7 and the connecting rod 8. The sleeve 9 is mounted on the connecting rod 8, and the fire arrester discs 7 are mounted on the sleeve 9.

[0024] like Figure 4 As shown, a heat dissipation guide plate 5 is fixed in the first half shell 1. The heat dissipation guide plate 5 is trumpet-shaped and has an air vent. The air vent and the accommodating cavity are along the same axis. The heat dissipation guide plate 5 includes a large end and a small end. The large end is located on the side away from the fire-blocking component and is fixedly connected to the inner wall of the first half shell 1. The small end is located on the other side adjacent to the fire-blocking component. The opening on the side of the first half shell 1 away from the fire-blocking component is an inlet, and the diameter of the air vent is slightly larger than the diameter of the inlet. The outer walls of the first half shell 1 and the second half shell 2 are provided with a plurality of heat dissipation fins 4. The plurality of heat dissipation fins 4 are annular and arranged along the axial direction of the first half shell 1 and the second half shell 2, and are fixedly connected to the outer walls of the first half shell 1 and the second half shell 2.

[0025] After the flame arrester is installed on the pipeline, the first half-shell 1 serves as the inlet, and the second half-shell 2 serves as the outlet. When the flame airflow enters the first half-shell 1 through the inlet along the pipeline, as the flame airflow moves from the large end to the small end of the heat dissipation guide plate 5, the heat dissipation guide plate 5 can fully contact the flame airflow and guide it toward the flame arrester assembly. Simultaneously, it absorbs heat from the airflow and transfers it to the heat sink 4 located on the flame arrester housing for dissipation, thereby reducing the temperature inside the flame arrester and improving its burn resistance. When the airflow contacts the flame arrester assembly and generates a reverse impact, the heat dissipation guide plate can guide the airflow, preventing the flame or impact airflow from propagating in the reverse direction, thereby improving the safety of the flame arrester.

[0026] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. An enhanced heat dissipation type flame arrester, characterized by: The invention comprises a first half shell (1), a second half shell (2) and a fire-blocking assembly, wherein flanges are provided at openings on both sides of the first half shell (1) and the second half shell (2), and the fire-blocking assembly is located between the first half shell (1) and the second half shell (2), and the first half shell (1) and the second half shell (2) are detachably connected; a heat dissipation guide plate (5) is provided, the heat dissipation guide plate (5) is trumpet-shaped, fixed in the first half shell (1), and has a vent hole.

2. The enhanced heat dissipation type flame arrester according to claim 1, characterized in that: The heat dissipation guide plate (5) comprises a large end and a small end, the large end being located on a side away from the fire-blocking component and fixedly connected to the inner wall of the first half shell (1), and the small end being located on the other side adjacent to the fire-blocking component.

3. The enhanced heat dissipation type flame arrester according to claim 1, characterized in that: The opening on one side of the first half shell (1) away from the fire-stop assembly is an inlet, and the diameter of the vent hole is larger than the diameter of the inlet.

4. The enhanced heat dissipation type flame arrester according to claim 1, characterized in that: The outer walls of the first half shell (1) and the second half shell (2) are both provided with a plurality of heat sinks (4).

5. The enhanced heat dissipation type flame arrester according to claim 1, characterized in that: A plurality of heat sinks (4) are annular, arranged along the axial direction of the first half shell (1) and the second half shell (2), and fixedly connected to the outer walls of the first half shell (1) and the second half shell (2).

6. The enhanced heat dissipation type flame arrester according to claim 1, characterized in that: The fire-blocking assembly comprises a core shell (3), a core cover (6), a fire-blocking disc (7) and a connecting rod (8); the core shell (3) is in the shape of a circular tube; the core cover (6) is arranged at openings on both sides of the core shell (3) to form an accommodating cavity; a plurality of the fire-blocking discs (7) are arranged in the accommodating cavity; and the connecting rod (8) passes through the core cover (6) and the plurality of the fire-blocking discs (7).

7. The enhanced heat dissipation type flame arrester according to claim 6, characterized in that: The ends of both ends of the connecting rod (8) are threaded and are threadedly connected with nuts.

8. The enhanced heat dissipation type flame arrester according to claim 6, characterized in that: A sleeve (9) is provided between the connecting rod (8) and the plurality of fire-blocking discs (7); the sleeve (9) is sleeved on the connecting rod (8), and the plurality of fire-blocking discs (7) are sleeved on the sleeve (9).

9. The enhanced heat dissipation type flame arrester according to claim 6, characterized in that: The core cover (6) is provided with a plurality of air holes.

10. The enhanced heat dissipation type flame arrester according to claim 6, characterized in that: One side of the cross section of the core shell (3) is in a convex shape, comprising a first platform and two second platforms, wherein the first platform is located between the two second platforms, the side wall of the core cover (6) is adjacent to the top surface of the second platform, and the side walls of the plurality of fire-blocking disks (7) are adjacent to the top surface of the first platform.

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