Explosion venting sheet device

Abstract

The utility model discloses an explosion venting piece device, and particularly relates to the technical field of flameless explosion venting, which comprises a mounting sealing gasket, a first mounting plate is arranged on the outer side of the lower end of the mounting sealing gasket, a pressure relief plate is arranged on the end face of the middle of the first mounting plate, a strip-shaped slot is formed between the first mounting plate and the pressure relief plate, and a simulation stress bridge is arranged on the end face of the outer side of the pressure relief plate; the upper end of the simulation stress bridge is provided with a mounting bolt, and the lower end of the first mounting plate is provided with a first separation sealing gasket. When the device is actually used, the number of the mounting bolts can be conveniently adjusted according to the range of the internal pressure of the container under the corresponding arrangement state of the strip-shaped slots, the simulation stress bridge, the mounting bolts and the pressure relief plate, so that the simulation stress bridge is fixed through the mounting bolts; and meanwhile, the strip-shaped slots formed in the end faces of the first mounting plate and the second mounting plate can be sealed through the protective film.

Description

Technical Field

[0001] The utility model relates to the technical field of flameless explosion relief, in particular to an explosion relief piece device. Background Art

[0002] Explosion vents are commonly used in chemical projects, such as storage tanks and pipelines, in locations with overpressure. They serve as safety barriers for equipment operation and personal protection. Rectangular flat-plate explosion vents are primarily used in locations with low pressure or the potential for dust explosions. When dust explosions occur inside a container and the static opening pressure of the explosion vent is reached, the stress bridge quickly breaks, allowing the pressure wave, flames, explosion products, and unburned media to be ejected in a safe direction. This allows the internal pressure of the container to drop promptly, within the maximum pressure capacity of the container, thereby protecting the functional integrity of the container. The key technology for rectangular flat-plate explosion vents is the rational design of the number and size of stress bridges, so that when the explosion pressure exceeds the set static opening pressure of the explosion vent, the explosion vent can open promptly to relieve pressure.

[0003] For example, the patent with prior art announcement number CN207384652U discloses an explosion relief device with an explosion relief plate. The screen is used as the discharge port of the generator cartridge in the aerosol fire extinguishing device. The front cover and the generator cartridge are rigidly connected and the two are connected as one. Under normal circumstances, the explosion relief device is not activated. After the agent of the aerosol fire extinguishing device is ignited, the hot aerosol gas is normally sprayed from the screen to extinguish the fire. Only when a deflagration occurs, the hot air flow accumulates in the inner cavity of the generator cartridge when the agent deflagrates, forming a strong impact kinetic energy. The force overcomes the structural strength of the explosion relief plate, causing the explosion relief plate to deform, the explosion relief port to open, and the hot air flow is discharged into the air outside the device through the explosion relief port. In this way, the whole process can well consume or disperse the strong impact force generated by the deflagration of the charge column, avoiding the risk of explosion of the device.

[0004] When the above device is in use, the explosion vent is opened by deforming the explosion-relief plate on the generator barrel, and the pressure is released into the air outside the device through the explosion vent, effectively dispersing the huge kinetic energy generated by the explosion and avoiding the risk of explosion of the device. However, different containers have different pressures inside. When installing containers of different specifications, the fixed number of simulated stress bridges on the outside of the pressure relief plate cannot be adjusted according to the pressure of the container. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a bursting disc device. The technical problem to be solved by the present invention is: how to conveniently adjust the number of fixed simulated stress bridges according to the internal pressure of the container.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] A venting disc device includes a mounting seal, a first mounting plate provided on the outer side of the lower end of the mounting plate, a pressure relief plate provided on the middle end surface of the first mounting plate, a strip-shaped slit provided between the first mounting plate and the pressure relief plate, and a simulated stress bridge provided on the outer end surface of the pressure relief plate;

[0008] The upper end of the simulated stress bridge is provided with a mounting bolt, the lower end of the first mounting plate is provided with a first separation sealing gasket, the lower end of the first separation sealing gasket is provided with a protective film, the lower end of the protective film is provided with a second separation sealing gasket, and the lower end of the second separation sealing gasket is provided with a second mounting plate.

[0009] In a preferred embodiment, the outer end surfaces of the mounting seal, the first mounting plate, the first separation seal, the protective film, the second separation seal, and the second mounting plate are all provided with circular mounting sliding holes;

[0010] There are multiple circular mounting sliding holes, which are arranged in an array state outside the vertical center point of the mounting sealing pad, the first mounting plate, the first separation sealing pad, the protective film, the second separation sealing pad and the second mounting plate in the top view direction.

[0011] In a preferred embodiment, the number of the mounting sealing pads is provided as two, and they are arranged in a mirror image state on both sides of the transverse central axis in the main viewing direction of the protective film;

[0012] The first mounting plate and the second mounting plate have the same specifications and are arranged in an offset state in the main viewing direction.

[0013] In a preferred embodiment, the first mounting plate and the second mounting plate are both made of 304 stainless steel, and the thickness of the first mounting plate and the second mounting plate in the main viewing direction is 0.4 mm;

[0014] The end surfaces of the first mounting plate, the first separation sealing gasket, the second separation sealing gasket and the second mounting plate are all provided with strip-shaped slits.

[0015] In a preferred embodiment, the simulated stress bridge and the mounting bolts are provided in plural numbers and are arranged in an array on both sides of the vertical central axis of the pressure relief plate in a top view direction;

[0016] The installation seal, the first separation seal and the second separation seal are all made of rubber. The thickness of the first separation seal and the second separation seal in the main viewing direction is greater than the thickness of the upper end nut of the installation bolt in the main viewing direction.

[0017] In a preferred embodiment, the mounting seal, the first mounting plate, the first separation seal, the protective film, the second separation seal, and the second mounting plate are arranged in a coplanar state when viewed from above.

[0018] The thickness of the first mounting plate and the second mounting plate in the main viewing direction is the same as the thickness of the pressure relief plate in the main viewing direction.

[0019] The utility model has the following advantages:

[0020] When the utility model is actually used, the number of the mounting bolts can be conveniently adjusted according to the range of the internal pressure of the container by setting the strip slits, the simulated stress bridge, the mounting bolts and the pressure relief plate in a corresponding manner, so that the simulated stress bridge can be fixed by the mounting bolts, and at the same time, the protective film can seal the strip slits provided on the end faces of the first mounting plate and the second mounting plate. At the same time, when the pressure relief plate is set in a corresponding manner, when an explosion occurs inside the container, the pressure generated by the explosion causes plastic deformation of all the simulated stress bridges of the pressure relief plate, and a large amount of combustion products in the container are discharged through the pressure relief plate, and the internal pressure of the container drops sharply, meeting the pressure relief requirement, so that the pressure in the container is within the control range, and the container will not be damaged or deformed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely illustrative, and those skilled in the art can, without inventive effort, derive other implementation drawings based on the provided drawings.

[0022] The structures, proportions, sizes, etc. illustrated in this specification are intended solely to complement the contents disclosed herein and to facilitate understanding and reading by persons familiar with the art. They are not intended to limit the conditions under which the present invention may be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in size, without affecting the efficacy and objectives of the present invention, shall remain within the scope of the technical contents disclosed herein.

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0024] Figure 2 It is a schematic diagram of the overall right side structure of the utility model.

[0025] Figure 3 This is a schematic diagram of the overall connection structure of the utility model.

[0026] Figure 4 This is a schematic structural diagram of the first mounting plate of the utility model.

[0027] In the figure: 1 mounting gasket, 2 circular mounting sliding hole, 3 first mounting plate, 4 first separation gasket, 5 second separation gasket, 6 second mounting plate, 7 protective film, 8 strip slits, 9 simulated stress bridge, 10 mounting bolts, 11 pressure relief plate. DETAILED DESCRIPTION

[0028] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can readily understand the other advantages and benefits of the present invention from the contents disclosed in this specification. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0029] The utility model provides a bursting piece device, such as Figure 1 and 2 As shown, it includes a mounting sealing gasket 1, a first mounting plate 3 is provided on the outer side of the lower end thereof, a first separating sealing gasket 4 is provided at the lower end of the first mounting plate 3, a protective film 7 is provided at the lower end of the first separating sealing gasket 4, the strip slit 8 is sealed and protected by the protective film 7, and a second separating sealing gasket 5 is provided at the lower end of the protective film 7.

[0030] A second mounting plate 6 is provided at the lower end of the second separation sealing gasket 5, and circular mounting sliding holes 2 are provided on the outer end surfaces of the mounting sealing gasket 1, the first mounting plate 3, the first separation sealing gasket 4, the protective film 7, the second separation sealing gasket 5 and the second mounting plate 6. There are multiple circular mounting sliding holes 2, and they are arranged in an array state on the outer sides of the vertical center point of the mounting sealing gasket 1, the first mounting plate 3, the first separation sealing gasket 4, the protective film 7, the second separation sealing gasket 5 and the second mounting plate 6 in the top view direction.

[0031] There are two mounting gaskets 1, and they are arranged in a mirrored state on both sides of the transverse central axis of the main viewing direction of the protective film 7. The first mounting plate 3 and the second mounting plate 6 have the same specifications and are offset in the main viewing direction. The first mounting plate 3 and the second mounting plate 6 are both made of 304 stainless steel.

[0032] The thickness of the first mounting plate 3 and the second mounting plate 6 in the main viewing direction is 0.4 mm. The mounting sealing gasket 1, the first separating sealing gasket 4 and the second separating sealing gasket 5 are all rubber components. The mounting sealing gasket 1, the first mounting plate 3, the first separating sealing gasket 4, the protective film 7, the second separating sealing gasket 5 and the second mounting plate 6 are arranged in a coplanar state on the outer end surfaces in the top viewing direction.

[0033] like Figure 3 and 4As shown, a pressure relief plate 11 is provided on the middle end face of the first mounting plate 3, a strip slit 8 is provided between the first mounting plate 3 and the pressure relief plate 11, a simulated stress bridge 9 is provided on the outer end face of the pressure relief plate 11, and a mounting bolt 10 is provided on the upper end of the simulated stress bridge 9. The number of the mounting bolts 10 installed can be adjusted according to the pressure relief force, so that the simulated stress bridge 9 at different positions can be fixed. The end faces of the first mounting plate 3, the first separation sealing gasket 4, the second separation sealing gasket 5 and the second mounting plate 6 are all provided with a strip slit 8.

[0034] There are multiple simulated stress bridges 9 and mounting bolts 10, and they are arranged in an array on both sides of the vertical central axis of the pressure relief plate 11 in the top view direction. The thickness of the first separation sealing gasket 4 and the second separation sealing gasket 5 in the main viewing direction is greater than the thickness of the upper end nut of the mounting bolt 10 in the main viewing direction. The thickness of the first mounting plate 3 and the second mounting plate 6 in the main viewing direction is the same as the thickness of the pressure relief plate 11 in the main viewing direction.

[0035] Working principle of this utility model:

[0036] When the present invention is used, the staff fixes the simulated stress bridge 9 by installing bolts 10 according to the range of the internal pressure of the container, and adjusts the number of the installing bolts 10 according to the pressure of the container. Then the staff can install the installation gasket 1, the first installation plate 3, the first separation gasket 4, the protective film 7, the second separation gasket 5 and the second installation plate 6 in sequence. Then the staff can install it at the pressure relief hole position of the container. Then, when an explosion occurs inside the container, the pressure generated by the explosion causes plastic deformation (ductile metal damage) to the simulated stress bridge 9 of the pressure relief plate 11. A large amount of combustion products in the container are discharged through the pressure relief plate 11, and the internal pressure of the container drops sharply, meeting the pressure relief requirements, so that the pressure in the container is within the control range and the container will not be damaged or deformed.

[0037] Although the present invention has been described in detail above using general descriptions and specific embodiments, it will be apparent to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, such modifications or improvements, without departing from the spirit of the present invention, are within the scope of protection claimed herein.

Claims

1. A venting disc device, characterized in that: include: A sealing gasket (1) is installed, wherein a first installation plate (3) is provided on the outer side of the lower end thereof, a pressure relief plate (11) is provided on the middle end surface of the first installation plate (3), a strip-shaped slit (8) is provided between the first installation plate (3) and the pressure relief plate (11), and a simulated stress bridge (9) is provided on the outer end surface of the pressure relief plate (11); The upper end of the simulated stress bridge (9) is provided with a mounting bolt (10), the lower end of the first mounting plate (3) is provided with a first separation sealing gasket (4), the lower end of the first separation sealing gasket (4) is provided with a protective film (7), the lower end of the protective film (7) is provided with a second separation sealing gasket (5), and the lower end of the second separation sealing gasket (5) is provided with a second mounting plate (6).

2. The explosion venting disc device according to claim 1, characterized in that: The outer end surfaces of the mounting seal (1), the first mounting plate (3), the first separation seal (4), the protective film (7), the second separation seal (5) and the second mounting plate (6) are all provided with circular mounting sliding holes (2); The circular mounting sliding holes (2) are provided in a plurality and are arranged in an array state outside the vertical center point of the mounting sealing gasket (1), the first mounting plate (3), the first separating sealing gasket (4), the protective film (7), the second separating sealing gasket (5) and the second mounting plate (6) in a top-view direction.

3. The explosion venting disc device according to claim 1, characterized in that: The number of the mounting sealing pads (1) is provided to be two, and they are arranged in a mirror image state on both sides of the transverse central axis of the main viewing direction of the protective film (7); The first mounting plate (3) and the second mounting plate (6) have the same specifications and are arranged in an offset state in the main viewing direction.

4. The explosion venting disc device according to claim 1, characterized in that: The first mounting plate (3) and the second mounting plate (6) are both made of 304 stainless steel, and the thickness of the first mounting plate (3) and the second mounting plate (6) in the main viewing direction is 0.4 mm; The end surfaces of the first mounting plate (3), the first separating sealing gasket (4), the second separating sealing gasket (5) and the second mounting plate (6) are all provided with strip-shaped slits (8).

5. The explosion venting disc device according to claim 1, characterized in that: The simulated stress bridge (9) and the mounting bolts (10) are both provided in plural numbers and are arranged in an array state on both sides of the vertical central axis of the pressure relief plate (11) in a top-view direction; The mounting seal (1), the first separation seal (4) and the second separation seal (5) are all rubber components, and the thickness of the first separation seal (4) and the second separation seal (5) in the main viewing direction is greater than the thickness of the upper end nut of the mounting bolt (10) in the main viewing direction.

6. The explosion venting disc device according to claim 1, characterized in that: The outer end surfaces of the mounting seal (1), the first mounting plate (3), the first separation seal (4), the protective film (7), the second separation seal (5) and the second mounting plate (6) are arranged in a coplanar state when viewed from above. The thickness of the first mounting plate (3) and the second mounting plate (6) in the main viewing direction is the same as the thickness of the pressure relief plate (11) in the main viewing direction.

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