High-temperature pipeline bidirectional anti-explosion flame arrester with dustproof structure

Abstract

The utility model discloses a high temperature pipeline two-way anti-explosion detonation type flame arrester with a dustproof structure, which relates to the technical field of flame arresters, and comprises a first shell and a second shell, the first shell and the second shell are fixedly connected through a bolt, the inner wall of the second shell is fixedly connected with a mounting seat, one end of the mounting seat is provided with an abutting groove, and the abutting groove is provided with a dustproof structure. Six second mounting grooves are uniformly formed in the inner bottom wall of the abutting groove, second springs are fixedly connected to the inner walls of the second mounting grooves, a push column is fixedly connected to one end of each second spring, and a push plate is fixedly connected to the end, away from the corresponding second spring, of each push column. Under the action of pressure, the push plate is pushed to quickly move in the direction of the second mounting groove to block the abutting groove, a quick response mechanism of the push plate is beneficial to effectively blocking a fire source before flame spread, then the ceramic filter screen is used for filtering airflow entering and exiting the flame arrester, dust and impurities are effectively blocked, and smooth passing of the airflow is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire arrester technical field especially, it is a kind of high-temperature pipeline bidirectional explosion-proof detonation type fire arrester with dustproof structure. BACKGROUND

[0002] Fire arrester is used to prevent the flame of flammable gas and flammable liquid vapor from spreading, is generally installed in the pipeline of flammable gas or ventilation tank, prevents the device passing through by fire arrester core, fire arrester shell and accessories.

[0003] The patent with the announcement number CN211751996U discloses a kind of explosion-proof detonation type pipeline fire arrester, including left valve body, the right side of the left valve body is fixedly installed with left fixed flange, the right side of the left fixed flange is movably installed with right fixed flange, the right side of the right fixed flange is fixedly installed with right valve body, the side opposite to the left valve body and right valve body is fixedly installed with connecting flange, the right side of the left fixed flange is fixedly installed with annular lug, the left side of the right fixed flange is provided with annular groove, the right side of the left fixed flange and right fixed flange is provided with mounting hole. The above-mentioned one kind of explosion-proof detonation type pipeline fire arrester is deficient, the device although realizes fire prevention, but it has limitation, it uses expansion metal sheet to expand and block the through hole, carries out fire prevention, but expansion metal sheet is not instantaneous when expanding by heat, and the ignition of gas in pipeline is instantaneous, so that in expansion metal sheet expansion engineering by heat, there is a large amount of flame passing through through hole, and then appear poor fire prevention performance, low fire prevention efficiency, cannot meet the needs of production safety production, and dust and impurities cannot be prevented from entering the inside of fire arrester, and then affect its performance.

[0004] Therefore, to solve such problems, we propose a kind of high-temperature pipeline bidirectional explosion-proof detonation type fire arrester with dustproof structure. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high-temperature pipeline bidirectional explosion-proof detonation type fire arrester with dustproof structure, aims at solving the problems in the above background art that the existing explosion-proof detonation type pipeline fire arrester is poor in fire prevention performance, low in fire prevention efficiency when using, and dust and impurities cannot be prevented from entering the inside of fire arrester.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a high temperature pipeline bidirectional explosion -proof type flame arrester with dustproof structure, including first casing and second casing, first casing and second casing are fixedly connected through bolt, the inner wall fixedly connected with mounting seat in second casing, and the one end of mounting seat is provided with the butt joint groove, and the inner bottom wall of butt joint groove is evenly provided with six second installation slot, and the inner wall of second installation slot is fixedly connected with second spring, and one end of second spring is fixedly connected with push column, and the one end of push column close to second spring is slidably connected with the inner wall of second installation slot, and the one end of push column away from second spring is fixedly connected with push plate.

[0007] Preferably, the inner wall of the one end of the first casing and the second casing away from the connecting portion is evenly provided with four first installation slots, the inner wall of the first installation slot is fixedly connected with the first spring, the one end of the first spring is fixedly connected with the clamping block, the clamping block is slidably connected with the inner wall of the first installation slot, the inner wall of the first casing and the second casing is fixedly connected with the limiting frame, the one end of the limiting frame close to the first installation slot is butted with the mounting frame, the inner wall of the mounting frame is fixedly installed with the ceramic filter screen, and the side wall of the one end of the clamping block away from the first spring is butted with the mounting frame.

[0008] Preferably, the inner wall of the first casing is fixedly connected with the fire -arresting core, and the fire -arresting core is located at the one end of the limiting frame away from the first installation slot.

[0009] Preferably, the inner wall of the first casing is fixedly connected with the metal net, and the metal net is located at the one end of the fire -arresting core away from the limiting frame.

[0010] Preferably, the one end of the clamping block away from the first spring is provided with an inclined plane.

[0011] Preferably, the second installation slot is T-shaped.

[0012] The utility model has the advantages of:

[0013] In the utility model, when the gas ignition pressure of the pipeline increases, the push plate is pushed to move rapidly along the direction of the second installation slot under the action of the pressure, thereby plugging the butt joint groove, the rapid response mechanism helps to effectively block the fire source before the flame spreads, secondly, the fire -arresting core and the metal net are arranged, the flame overflowing when the push plate plugs the butt joint groove is divided by the metal net, thereby weakening the fire, and the fire -arresting core is used to prevent the spread of sparks, thereby protecting the safety of the pipeline system, and thirdly, the ceramic filter screen is used to filter the airflow entering and exiting the flame arrester, thereby effectively blocking dust and impurities and ensuring the smooth passage of the airflow. ACCURACY

[0014] Figure 1 A three-dimensional schematic view of a high temperature pipeline bidirectional explosion -proof type flame arrester with dustproof structure is provided for the utility model;

[0015] Figure 2This is a cross-sectional view of a bidirectional explosion-proof flame arrester for high-temperature pipelines with a dustproof structure proposed in this utility model.

[0016] Figure 3 This is a three-dimensional exploded view of the internal structure of the first mounting slot in a high-temperature pipeline bidirectional explosion-proof flame arrester with a dustproof structure proposed in this utility model.

[0017] Figure 4 This is a three-dimensional explosion diagram of the mounting base of a high-temperature pipeline bidirectional explosion-proof flame arrester with a dustproof structure proposed in this utility model.

[0018] Legend:

[0019] 1. First housing; 11. First mounting groove; 12. First spring; 13. Locking block; 14. Mounting frame; 15. Ceramic filter screen; 16. Limiting frame; 17. Flame arrestor core; 18. Metal mesh; 2. Second housing; 21. Mounting base; 22. Abutment groove; 23. Second mounting groove; 24. Second spring; 25. Push column; 26. Push plate. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "joined" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be a direct connection or an indirect connection through an intermediate medium, and it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0022] Reference Figures 1-4The utility model provides an embodiment: a high temperature pipeline bidirectional explosion -proof type flame arrester with dustproof structure, including first casing 1 and second casing 2, first casing 1 and second casing 2 pass through bolt fixed connection, the inner wall fixed connection of second casing 2 has mounting seat 21, and mounting seat 21 one end is provided with abutment slot 22, and the inner bottom wall of abutment slot 22 is evenly provided with six second installation groove 23, and the inner wall fixed connection of second installation groove 23 has second spring 24, and one end fixed connection of second spring 24 has push column 25, and the end of push column 25 close to second spring 24 is connected with the inner wall of second installation groove 23 slidingly, and the end of push column 25 away from second spring 24 is fixedly connected with push plate 26.

[0023] The setting when the gas ignition pressure of pipeline increases, under the action of pressure, push plate 26 is pushed along the direction of second installation groove 23 movement, so that push plate 26 drives the end of push column 25 close to second spring 24 sliding in the inner wall of second installation groove 23, while extruding second spring 24, then push plate 26 is in abutment with abutment slot 22, and push plate 26 realizes the plugging of abutment slot 22, to reach the purpose of rapid flame arrester, solve the problem that the existing flame arrester has poor flame arrester performance, low flame arrester efficiency, and cannot satisfy the demand of production safety.

[0024] The inner wall of the end of first casing 1 and second casing 2 away from the connection is evenly provided with four first installation grooves 11, and the inner wall fixed connection of first installation groove 11 has first spring 12, and one end fixed connection of first spring 12 has clamping block 13, and clamping block 13 is connected with the inner wall of first installation groove 11 slidingly, and the inner wall of first casing 1 and second casing 2 is fixedly connected with limiting frame 16, and the end of limiting frame 16 close to first installation groove 11 is in abutment with mounting frame 14, and the inner wall fixed installation of mounting frame 14 has ceramic filter screen 15, and the side wall of the end of clamping block 13 away from first spring 12 is in abutment with mounting frame 14, for directly pressing clamping block 13, so that clamping block 13 extrudes first spring 12, and gradually slides into first installation groove 11, and then realizes the quick disassembly of ceramic filter screen 15, and it is convenient to clean the filter screen.

[0025] The inner wall fixed connection of first casing 1 has flame arrester core 17, and flame arrester core 17 is located at the end of limiting frame 16 away from first installation groove 11, and the inside expanded graphite of flame arrester core 17 is porous structure under normal condition, can supply gas to go in and out freely, and expands under high temperature, and the volume increases, so that the through hole on the surface is blocked, prevents the spread of spark, and plays the role of flame arrester.

[0026] The inner wall fixed connection of first casing 1 has metal net 18, and metal net 18 is located at the end of flame arrester core 17 away from limiting frame 16, and the setting of metal net 18 divides the flame into multiple parts when a small amount of overflowed flame passes, so as to weaken the fire, and play the role of further flame arrester.

[0027] The end of the card block 13 away from the first spring 12 is provided with an inclined surface, which is used to directly push the mounting frame 14 when the ceramic filter screen 15 is installed, so as to realize quick installation.

[0028] The second installation slot 23 is in T shape, which is used to limit the push column 25 and avoid the push column 25 directly separating from the second installation slot 23.

[0029] Working principle: when the gas ignition phenomenon occurs in the pipeline, the pressure in the pipeline is rapidly increased, at this time, the pressure inside the first shell 1 and the second shell 2 is different, which leads to the pressure inside the first shell 1 being less than the pressure inside the second shell 2, and then the push plate 26 is driven to move along the direction of the second installation slot 23 under the action of the pressure, the push plate 26 drives the push column 25 to slide on the inner wall of the second installation slot 23 and press the second spring 24, then the push plate 26 abuts against the abutting groove 22, and the push plate 26 realizes the plugging of the abutting groove 22, so as to achieve the purpose of quickly blocking the fire, at the same time, the metal mesh 18 is used to divide the small amount of overflowing flame into multiple parts, so as to weaken the fire, and the fireproof core 17 is used to prevent the spread of sparks, so as to protect the safety of the pipeline system.

[0030] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A high-temperature pipeline bidirectional explosion-proof detonation-type flame arrester with a dustproof structure, comprising a first shell (1) and a second shell (2), the first shell (1) and the second shell (2) are fixedly connected by bolts, characterized in that: The second shell (2) is fixedly connected with a mounting seat (21), one end of the mounting seat (21) is provided with an abutting groove (22), the inner bottom wall of the abutting groove (22) is uniformly provided with six second mounting grooves (23), the inner wall of the second mounting groove (23) is fixedly connected with a second spring (24), one end of the second spring (24) is fixedly connected with a push column (25), the end of the push column (25) close to the second spring (24) is slidably connected with the inner wall of the second mounting groove (23), and the end of the push column (25) away from the second spring (24) is fixedly connected with a push plate (26).

2. The high-temperature duct bidirectional explosion-proof flame arrester with a dustproof structure according to claim 1, characterized in that: The first shell (1) and the second shell (2) are uniformly provided with four first mounting grooves (11) on the inner wall of the end away from the connection, the inner wall of the first mounting groove (11) is fixedly connected with a first spring (12), one end of the first spring (12) is fixedly connected with a clamping block (13), the clamping block (13) is slidably connected with the inner wall of the first mounting groove (11), the inner wall of the first shell (1) and the second shell (2) is fixedly connected with a limiting frame (16), the end of the limiting frame (16) close to the first mounting groove (11) is abutted with a mounting frame (14), the inner wall of the mounting frame (14) is fixedly installed with a ceramic filter screen (15), and the side wall of the end of the clamping block (13) away from the first spring (12) is abutted with the mounting frame (14).

3. The high-temperature duct bidirectional explosion-proof flame arrester with a dustproof structure according to claim 2, characterized in that: The inner wall of the first shell (1) is fixedly connected with a fire-retardant core (17), and the fire-retardant core (17) is located at the end of the limiting frame (16) away from the first mounting groove (11).

4. The high-temperature duct bidirectional explosion-proof flame arrester with a dustproof structure according to claim 3, characterized in that: The inner wall of the first shell (1) is fixedly connected with a metal mesh (18), and the metal mesh (18) is located at the end of the fire-retardant core (17) away from the limiting frame (16).

5. The high-temperature duct bidirectional explosion-proof flame arrester with a dustproof structure according to claim 2, characterized in that: The end of the clamping block (13) away from the first spring (12) is provided with an inclined surface.

6. The high-temperature duct two-way explosion-proof flame arrester with a dustproof structure according to claim 1, characterized in that: The second mounting groove (23) is T-shaped.

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