Diaphragm type explosion venting and flame retarding device for pulverized coal explosion door

Abstract

The utility model relates to the technical field of explosion venting and flame retarding devices, in particular to a diaphragm type pulverized coal explosion door explosion venting and flame retarding device which comprises a supporting assembly, quick connecting assemblies are installed on the two sides of the supporting assembly, a blocking assembly is installed on the inner side of the supporting assembly, and a fireproof flame retarding blanket is arranged outside the supporting assembly in a sleeved mode. According to the improved explosion venting and flame retarding device for the diaphragm type pulverized coal explosion door, the explosion venting and pressure reducing baffle is additionally arranged, so that airflow generated during explosion venting can be uniformly dispersed through the grating, the damage degree of explosion to equipment and the surrounding environment is reduced, and the safety of workers is effectively protected; the explosion venting and pressure reducing frame and the supporting legs can be quickly assembled and disassembled by additionally arranging the fire-proof and flame-retardant blanket made of ceramic fibers, the whole process is easy, maintenance and replacement work of workers are facilitated, and the explosion venting and pressure reducing frame and the supporting legs can be quickly assembled and disassembled by additionally arranging the quick connecting assemblies. And good stability is achieved after installation is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of explosion venting and flame -retardant device, concretely is diaphragm type coal powder explosion door explosion venting and flame -retardant device. BACKGROUND

[0002] In the industrial production field, especially in the coal powder storage and conveying link, there is the risk of coal powder explosion. The traditional explosion-proof measures have certain limitations. The ordinary valve or protective door may not be able to release the pressure in time when coping with the instantaneous high pressure shock wave generated by the coal powder explosion. The diaphragm type coal powder explosion door technology emerges as the times require, which uses a diaphragm made of a specific material and designed to withstand a certain pressure in normal state, ensuring the sealing of the equipment or space and preventing coal powder leakage. When the pressure generated by the internal coal powder explosion exceeds the limit that the diaphragm can withstand, the diaphragm will quickly rupture, allowing the shock wave and pressure generated by the explosion to be quickly released to the outside safe area, avoiding serious damage to the equipment and buildings due to the sudden increase in internal pressure. However, when the diaphragm type coal powder explosion door is venting, some flying diaphragms and a large amount of flames may be generated, so a device with pressure relief and flame retardant functions is needed for corresponding protection

[0003] The inventor found the following problems in the prior art during the implementation of the utility model: 1. The general diaphragm type coal powder explosion door explosion venting and flame -retardant device cannot effectively relieve the pressure generated after venting, and the flying diaphragms cannot be protected, and the generated flames cannot be effectively blocked, which may cause the risk of secondary fire and increase the risk coefficient; 2. All installation steps of the general diaphragm type coal powder explosion door explosion venting and flame -retardant device usually need to be connected by welding by the workers, which makes the whole process more complicated and complex, increases the labor and time cost. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a diaphragm type coal powder explosion door explosion venting and flame -retardant device to solve the problems raised in the background art. To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a diaphragm type coal powder explosion door explosion venting and flame -retardant device, comprising a support assembly, quick connection assemblies are installed on both sides of the support assembly, a blocking assembly is installed on the inner side of the support assembly, and a fire -retardant blanket is sleeved on the outside of the support assembly.

[0005] The support assembly comprises an explosion venting and pressure relief frame, fixed frames are fixedly connected on both sides of the explosion venting and pressure relief frame, supporting legs are installed around the bottom of the explosion venting and pressure relief frame, a connecting rod is fixedly connected between the supporting legs, and a plugboard is fixedly connected to the top center of the connecting rod.

[0006] The quick connecting assembly comprises supports fixedly connected on both sides of the explosion venting and pressure reducing frame, one end of the support penetrates a limiting pull rod horizontally, the limiting pull rod penetrates the inside of a first spring horizontally, and one end of the first spring is fixedly connected with a limiting block.

[0007] The blocking assembly is installed on the explosion venting and pressure reducing baffle inside the explosion venting and pressure reducing frame, connecting frames are fixedly connected on both sides of the explosion venting and pressure reducing baffle, a fixed block is inlaid on the top of the connecting frame, second springs are fixedly connected on both ends of the fixed block, and L-shaped limiting rods are fixedly connected on one end of the second springs.

[0008] Further preferably, recesses consistent with the shape of the plug-in plate are formed on the bottom of the explosion venting and pressure reducing frame at the abutting position of the plug-in plate.

[0009] Further preferably, the plug-in plate is provided with a slot hole consistent with the shape of the limiting block, recesses consistent with the shape of the limiting block are formed on both sides of the explosion venting and pressure reducing frame, and the first spring and the limiting block form an elastic structure.

[0010] Further preferably, the connecting frame is provided with a slot on both sides, and the second spring and the L-shaped limiting rod form an elastic structure.

[0011] Further preferably, the explosion venting and pressure reducing baffle is made of a galvanized grid plate.

[0012] Further preferably, the fireproof and flame-retardant blanket is made of ceramic fiber.

[0013] Further preferably, the explosion venting and pressure reducing frame and the supporting leg are made of channel steel.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] In the utility model, the explosion venting and pressure reducing baffle is added, so that the airflow generated during explosion venting can be uniformly dispersed through the grid, the direction of the airflow is effectively controlled, the overhigh pressure generated during explosion can be safely released, the damage degree caused by explosion on the equipment and the surrounding environment is reduced, the splashed diaphragm is blocked, the diaphragm cannot splash everywhere, the safety of the workers is effectively protected, the fireproof and flame-retardant blanket made of ceramic fiber is added, the fireproof and flame-retardant effect can be effectively achieved, the flame and high-temperature gas generated during explosion are prevented from spreading outward, and secondary explosion or fire is avoided.

[0016] In this utility model, a quick-connect component is added, which allows for the rapid installation and disassembly of the explosion relief and pressure reducing frame and the support legs. This facilitates maintenance and replacement work for the staff, and provides excellent stability after installation. It also allows for the quick installation of the explosion relief and pressure reducing baffle. The whole process is relatively easy, reducing labor costs and saving time, thereby further increasing subsequent production efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the exploded front view of this utility model;

[0018] Figure 2 This is an exploded view of the support component of this utility model;

[0019] Figure 3 This is a schematic diagram of the quick-connect assembly structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the explosion-proof structure of the blocking component of this utility model.

[0021] In the diagram: 1. Support assembly; 101. Explosion relief and pressure reduction frame; 102. Fixing frame; 103. Support leg; 104. Connecting rod; 105. Insert plate; 2. Quick-connect assembly; 201. Bracket; 202. Limiting rod; 203. First spring; 204. Limiting block; 3. Blocking assembly; 301. Explosion relief and pressure reduction baffle; 302. Connecting frame; 303. Fixing block; 304. Second spring; 305. L-shaped limiting rod; 4. Fireproof and flame-retardant blanket. Detailed Implementation

[0022] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1 to 4 This utility model provides a technical solution: a diaphragm-type pulverized coal explosion-proof door explosion relief and flame-retardant device, including a support component 1, quick-connect components 2 installed on both sides of the support component 1, a blocking component 3 installed on the inner side of the support component 1, and a fireproof and flame-retardant blanket 4 covering the outside of the support component 1.

[0024] The support assembly 1 comprises a frame 101, and the frame 101 is fixedly connected with a fixed frame 102 on both sides, and a support leg 103 is arranged around the bottom of the frame 101, and the support legs 103 are fixedly connected with a connecting rod 104, and the connecting rod 104 is fixedly connected with a plugboard 105 at the top center.

[0025] The quick connecting assembly 2 comprises a support 201 fixedly connected on both sides of the frame 101, and the support 201 is horizontally penetrated by a limiting pull rod 202 at one end, the limiting pull rod 202 is horizontally penetrated in the first spring 203, and the first spring 203 is fixedly connected with a limiting block 204 at one end.

[0026] The blocking assembly 3 is installed in the frame 101, and the blocking assembly 3 comprises a blocking plate 301 fixedly connected on both sides of the frame 101, and a connecting frame 302 is fixedly connected on the top of the blocking plate 301, and a fixed block 303 is embedded in the connecting frame 302, and the fixed block 303 is fixedly connected with a second spring 304 at both ends, and the second spring 304 is fixedly connected with an L-shaped limiting rod 305 at one end.

[0027] As shown in Figure 1 and Figure 2 , recesses are formed in the bottom of the frame 101 on both sides and the fitting position of the plugboard 105, and the recesses are consistent with the shape of the plugboard 105; through the design, the support leg 103 can be inserted with the frame 101, so that the installation can be quickly completed, and the welding method is not needed, the whole process saves time and labor, reduces the labor force and saves the time cost.

[0028] As shown in Figure 1 , Figure 2 and Figure 3 , the plugboard 105 is provided with a slot hole consistent with the shape of the limiting block 204, and the frame 101 is provided with a recess consistent with the shape of the limiting block 204 on both sides, and the first spring 203 and the limiting block 204 form an elastic structure; through the design, the support leg 103 can be quickly installed with the frame 101, which is convenient for the staff to maintain and replace, and has good stability after installation, the whole process is relatively easy, reduces the labor force and saves the time cost, and further increases the subsequent production efficiency.

[0029] As shown in Figure 1 , Figure 2 and Figure 4As shown, the two sides of the fixed frame 102 are provided with notches, and the second spring 304 and the L-shaped limiting rod 305 form an elastic structure; through the design, the explosion venting and pressure reducing baffle 301 can be quickly installed, so that the whole process is relatively easy, reduces the labor force and saves the time cost, further increases the subsequent production efficiency, and has good stability after installation, avoids the occurrence of falling off.

[0030] In the embodiment, as shown in Figure 1 and Figure 4 , the material of the explosion venting and pressure reducing baffle 301 is a galvanized grid plate; through the design, the airflow generated by the explosion venting is uniformly dispersed through the grid, effectively avoiding the accumulation of airflow leading to secondary explosion, increasing the safety, and effectively preventing the splashing of the membrane caused by the explosion venting, avoiding the splashing membrane from causing harm to the workers, and also avoiding damage to the equipment body.

[0031] In the embodiment, as shown in Figure 1 , the material of the fire-retardant blanket 4 is ceramic fiber; through the design, the flame and high-temperature gas generated by the explosion are effectively prevented from spreading outward, so that the flame can be effectively blocked, avoiding the occurrence of secondary explosion or fire, and increasing the safety.

[0032] In the embodiment, as shown in Figure 1 and Figure 2 , the materials of the explosion venting and pressure reducing frame 101 and the supporting leg 103 are channel steel; through the design, the device has good stability after installation, can effectively reduce the pressure and flame-retardant effect of the explosion venting work, and further improves the safety.

[0033] The use method and advantages of the utility model are as follows:

[0034] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, first, the supporting legs 103 are welded on the explosion-proof door, then the fixing frame 102 is welded between the supporting legs 103, forming a stable support structure, then the limiting pull rod 202 is pulled, at this time the first spring 203 will be elastically deformed, at this time the recesses on both sides of the bottom of the explosion relief pressure relief frame 101 are aligned with the plug-in plate 105 for plug-in, then the limiting pull rod 202 is loosened, the first spring 203 will be elastically deformed so that the limiting block 204 enters the recesses on both sides of the explosion relief pressure relief frame 101, enters the slot hole of the plug-in plate 105, and then enters the recess inside the explosion relief pressure relief frame 101, thereby completing the installation work of the explosion relief pressure relief frame 101, then the L-shaped limiting rod 305 on both sides of the fixing block 303 is pressed, at this time the second spring 304 will be elastically deformed, then the explosion relief pressure relief baffle 301 is placed inside the explosion relief pressure relief frame 101, after installation, the L-shaped limiting rod 305 on both sides of the fixing block 303 is loosened, at this time the second spring 304 will be elastically deformed, so that the L-shaped limiting rod 305 passes through the slot hole on both sides of the fixing frame 102, at this time the installation work of the explosion relief pressure relief baffle 301 is completed, then the fire-retardant blanket 4 is bound with iron wire, thereby forming the explosion relief fire-retardant device, the flame generated during the explosion relief will be retarded by the fire-retardant blanket 4, and the airflow generated will be uniformly discharged through the grid of the explosion relief pressure relief baffle 301, and the membrane generated during the explosion relief is effectively blocked.

[0035] The basic principle, main characteristics and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A film type coal dust explosion prevention door explosion relief and flame retardant device, comprising a support assembly (1), characterized in that: The support assembly (1) is provided with quick connection assemblies (2) on both sides, and is provided with a blocking assembly (3) on the inner side, and is provided with a fireproof flame-retardant blanket (4) on the outside. The support assembly (1) comprises a pressure relief frame (101), and the two sides of the pressure relief frame (101) are fixedly connected with fixing frames (102), the bottom of the pressure relief frame (101) is provided with supporting legs (103), and the supporting legs (103) are fixedly connected with a connecting rod (104). The quick connection assembly (2) comprises a support (201) fixedly connected to the two sides of the pressure relief frame (101), one end of the support (201) penetrates through a limiting pull rod (202) horizontally, the limiting pull rod (202) penetrates through the inside of a first spring (203) horizontally, and one end of the first spring (203) is fixedly connected with a limiting block (204). The blocking assembly (3) is a pressure relief baffle (301) arranged on the inner side of the pressure relief frame (101), the two sides of the pressure relief baffle (301) are fixedly connected with connecting frames (302), a fixed block (303) is inlaid in a portion of the top of the connecting frame (302), the two ends of the fixed block (303) are fixedly connected with second springs (304), and one end of the second spring (304) is fixedly connected with an L-shaped limiting rod (305).

2. The membrane type pulverized coal explosion prevention and fire prevention device according to claim 1, characterized in that: The bottom of the pressure relief frame (101) is provided with a groove with the same shape as the plug-in plate (105) at the abutting position of the two sides of the plug-in plate (105).

3. The membrane type pulverized coal explosion prevention and fire prevention device according to claim 1, characterized in that: The plug-in plate (105) is provided with a slot hole with the same shape as the limiting block (204), and the two sides of the pressure relief frame (101) are provided with grooves with the same shape as the limiting block (204), and the first spring (203) and the limiting block (204) form an elastic structure.

4. The membrane type pulverized coal explosion prevention door explosion relief and flame retardation device according to claim 1, characterized in that: The two sides of the fixing frame (102) are provided with notches, and the second spring (304) and the L-shaped limiting rod (305) form an elastic structure.

5. The membrane type pulverized coal explosion prevention and fire prevention device according to claim 1, characterized in that: The pressure relief baffle (301) is made of a galvanized grid plate.

6. The membrane type pulverized coal explosion prevention door explosion relief and flameproof device according to claim 1, characterized in that: The fireproof flame-retardant blanket (4) is made of ceramic fiber.

7. The membrane type pulverized coal explosion prevention door explosion relief and flameproof device according to claim 1, characterized in that: The pressure relief frame (101) and the supporting leg (103) are made of channel steel.

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