Safety type anti-explosion pressure relief wall

Abstract

The utility model discloses a safety type anti-explosion pressure relief wall which is convenient to mount and dismount, a pressure relief plate is convenient to replace when damaged, and meanwhile, dust and a broken wall body are prevented from flying out to damage the safety of surrounding personnel. Comprising a fixed frame, two fixed plates and two slidable movable plates are fixedly installed in the fixed frame, one side of each movable plate is close to the interior of a plant, an anti-explosion pressure relief mechanism is arranged between each fixed plate and the corresponding movable plate, a protective steel frame is fixedly connected between the two fixed plates, and the protective steel frame is fixedly connected with the interior of the plant. A protection plate is fixedly installed at the end, away from the anti-explosion pressure relief mechanism, of the fixed plate, the anti-explosion pressure relief mechanism comprises two matched pressure relief plates and a connecting steel bar used for connecting the two pressure relief plates, and the pressure relief plates abut against the position between the movable plate and the fixed plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of explosion -proof pressure -relief device, concretely is a safe explosion -proof pressure -relief wall. BACKGROUND

[0002] In recent years with the improvement of national security consciousness, the explosion -proof problem of large -scale chemical plant with potential explosion danger such as pressurized gasification gradually arouses the extensive attention of all circles of society, how to reduce personnel casualty and property loss to the minimum after explosion becomes the problem that urgently needs to be solved. Therefore, explosion -proof pressure -relief panel wall body emerges as the times require, and explosion -proof pressure -relief panel wall body refers to the wall body with the ability of resisting explosion shock wave, can limit the destructive effect of explosion within a certain range, and the safe explosion -proof pressure -relief wall is usually used in dangerous places such as industrial facilities or chemical plant to prevent greater damage caused by explosion. This wall is usually composed of high-temperature-resistant and corrosion-resistant materials, can withstand explosion impact and effectively control the pressure release within a certain range, and reduce the influence of accidents.

[0003] For example, the Chinese patent with publication number CN216920797U discloses an explosion -proof pressure -relief type fabricated wall for the outer wall of a substation, which is composed of a stabilizing assembly and an explosion -proof plate structure, a buffer groove is formed between the stabilizing assembly and the explosion -proof plate, and a buffer assembly is arranged in the buffer groove, which fully solves the problem of poor buffer effect caused by the rigid connection between the explosion -proof plate and the stabilizing assembly, resulting in the separation between the explosion -proof plate and the stabilizing assembly, and further causing the collapse of the explosion -proof plate and the failure to achieve the fireproof function. At the same time, two mutually matched wall panels are used to form the explosion -proof plate, a plurality of trapezoidal insertion columns and trapezoidal grooves are arranged on the wall panels, the trapezoidal insertion columns and the trapezoidal grooves are matched and inserted to combine, the stability of the explosion -proof plate combination is realized, a noise reduction assembly is arranged in the trapezoidal insertion column, sound absorption holes are arranged at the bottom of the trapezoidal groove, the noise reduction assembly is communicated with the sound absorption holes, the noise in the substation is reduced, and the surrounding environment of the substation is improved.

[0004] The patent improves the structure of the explosion -proof pressure -relief wall body, improves its impact resistance and sound insulation and noise reduction effect, but in general, the structure is relatively complex, and when the internal pressure is too large and the wall body is damaged, the broken wall body cannot be constrained, and the dust and broken wall body fly out, which can cause damage to the safety of surrounding personnel. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a safe explosion -proof pressure -relief wall, which is convenient to install and disassemble, not easy to collapse, convenient to replace when the pressure -relief plate is damaged, and avoids the dust and broken wall body flying out, which can cause damage to the safety of surrounding personnel.

[0006] In order to solve the above technical problems, the technical scheme of the utility model is: a safe anti-explosion pressure relief wall, including fixed frame, two fixed plates and two slidable movable plates are fixedly installed in the fixed frame, one side of the movable plate is the side close to the factory building, the anti-explosion pressure relief mechanism is arranged between the fixed plate and the movable plate, the protective steel frame is fixedly connected between the two fixed plates, the protective plate is fixedly installed at the end of the fixed plate away from the anti-explosion pressure relief mechanism, the anti-explosion pressure relief mechanism includes two matched pressure relief plates and connecting steel bars for connecting the two pressure relief plates, and the pressure relief plate is abutted between the movable plate and the fixed plate.

[0007] Further, the fixed frame includes a top beam, a bottom beam and two side beams, the two side beams are arranged in parallel, the top beam and the bottom beam are arranged in parallel, and the top beam and the bottom beam are fixed between the two side beams, the end faces of the two side beams close to each other are respectively abutted with the two side end portions of the top beam and the bottom beam, so that the top beam, the bottom beam and the two side beams form a rectangular structure.

[0008] Further, the upper and lower end faces of the two fixed plates are respectively fixedly connected with the top beam and the bottom beam, and the end faces of the two fixed plates away from each other are respectively fixedly connected with the two side beams.

[0009] Further, the two side beams are provided with sliding grooves corresponding to the movable plates, and the two movable plates pass through the sliding grooves in the two side beams and can slide relative to the side beams.

[0010] Further, a plurality of first threaded holes are formed in the side beams and communicated with the sliding grooves, second threaded holes corresponding to the first threaded holes are formed in the movable plates, fastening bolts are arranged in the first threaded holes, the tail portions of the fastening bolts pass through the first threaded holes and the second threaded holes in sequence, and the end portions of the fastening bolts abut against the walls of the sliding grooves.

[0011] Further, the two pressure relief plates are symmetrically arranged, and corresponding notches are formed in the opposite sides of the two pressure relief plates.

[0012] Further, a group of mounting holes penetrating through the pressure relief plates are formed in the pressure relief plates, the mounting holes in the two pressure relief plates correspond to each other, and the connecting steel bars pass through the mounting holes in the two pressure relief plates to connect the two pressure relief plates.

[0013] Further, the two ends of the connecting steel bars extend to the outside of the pressure relief plates, the two ends of the connecting steel bars are provided with threads, and connecting nuts are sleeved on the threads of the two ends of the connecting steel bars.

[0014] Further, a spring tube is sleeved on the connecting steel bar, and two ends of the spring tube are respectively abutted between the connecting nut and the pressure relief plate.

[0015] Further, the pressure relief plate is made of fiber reinforced calcium silicate plate, and a fireproof coating is coated on a side of the pressure relief plate close to the factory building.

[0016] With the above technical scheme, the utility model has the following beneficial effects:

[0017] 1. Easy to install and dismount, and convenient to replace when the pressure relief plate is damaged;

[0018] 2. When an explosion occurs indoors, the impact force received by the pressure relief plate is transmitted to the connecting steel bar, and the pressure relief plate and the connecting steel bar are both deformed, the two ends of the connecting steel bar move towards the pressure relief plate, and the spring tube is squeezed and compressed, and the deformation of the connecting steel bar can buffer the impact force received by the pressure relief plate;

[0019] 3. The deformation of the spring tube can make the pressure relief plate produce a larger deformation to buffer the explosion load, and the pressure relief plate is restrained from collapsing due to too large deformation;

[0020] 4. When an explosion occurs indoors, the pressure relief plate and the connecting steel bar are both deformed, and part of the dust will overflow from the connection between the two pressure relief plates, and the protective plate can prevent the dust from flying to cause damage to the safety of the surrounding staff;

[0021] 5. When the indoor explosion impact force is too large to cause damage to the pressure relief plate, the protective steel frame can block the pressure relief plate from flying out, and avoid the pressure relief plate from damaging the protective plate and surrounding personnel. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic view of the safety type explosion-proof pressure relief wall of the utility model;

[0023] Figure 2 It is another angle structural schematic view of the safety type explosion-proof pressure relief wall of the utility model;

[0024] Figure 3 It is Figure 2 It is a structural schematic view after removing the protective plate;

[0025] Figure 4 It is a structural schematic view after removing the fixing frame and the protective plate of the utility model;

[0026] Figure 5 It is Figure 1 It is a front view;

[0027] Figure 6 It is Figure 5 It is a sectional view along the A-A direction in

[0028] Figure 7 For Figure 5 the sectional view along the direction of B-B.

[0029] Reference signs: 1, fixed frame; 2, fixed plate; 3, movable plate; 4, explosion-proof pressure relief mechanism; 5, protective steel frame;

[0030] 6, protective plate; 11, top beam; 12, bottom beam; 13, side beam; 131, sliding groove; 132, first threaded hole;

[0031] 133, fastening bolt; 31, second threaded hole; 41, pressure relief plate; 42, connecting steel bar; 43, connecting nut;

[0032] 44, spring tube; 411, notch; 412, mounting hole. DETAILED DESCRIPTION

[0033] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with the drawings, the utility model is further detailed.

[0034] As Figures 1-7 shown, in the embodiment, a safety type explosion-proof pressure relief wall is provided, including fixed frame 1, two fixed plates 2 are fixedly installed in fixed frame 1, the front end of fixed plate 2 is equipped with explosion-proof pressure relief mechanism 4, two movable plates 3 can be slidably arranged on fixed frame 1, explosion-proof pressure relief mechanism 4 is arranged between fixed plate 2 and movable plate 3, protective steel frame 5 is fixedly connected between the two fixed plates 2, and protective plate 6 is fixedly installed at the end of fixed plate 2 away from explosion-proof pressure relief mechanism 4.

[0035] As Figures 1-3 shown, in the embodiment, fixed frame 1 includes top beam 11, bottom beam 12 and two side beams 13, two side beams 13 are arranged in parallel, top beam 11 and bottom beam 12 are arranged in parallel, and top beam 11 and bottom beam 12 are fixed between two side beams 13, the end faces of two side beams 13 close to each other are respectively abutted with the two side end portions of top beam 11 and bottom beam 12, so that top beam 11, bottom beam 12 and two side beams 13 form a rectangular structure.

[0036] As Figure 1 , 2As shown in Figures 3 and 7, in this embodiment, the upper and lower end faces of the two fixed plates 2 are fixedly connected to the top beam 11 and the bottom beam 12, respectively. The end faces of the two fixed plates 2 on opposite sides are fixedly connected to the two side beams 13, respectively. The two side beams 13 are provided with sliding grooves 131 corresponding to the movable plate 3. The two movable plates 3 pass through the sliding grooves 131 on the two side beams 13, and the movable plates 3 can slide relative to the side beams 13. The side beams 13 are also provided with a plurality of first threaded holes 132 communicating with the sliding grooves 131. The movable plate 3 is provided with second threaded holes 31 corresponding to the first threaded holes 132. Fastening bolts 133 are provided in the first threaded holes 132. The position of the movable plate 3 is adjusted so that the first threaded holes 132 correspond to the second threaded holes 31. The fastening bolts 133 are rotated so that their tails pass through the first threaded holes 132 and the second thread in sequence until their ends abut against the wall of the sliding groove 131, thereby fixing the relative position of the movable plate 3 on the fixed frame 1.

[0037] like Figure 1 , 4 As shown in Figures 6 and 7, in this embodiment, the explosion-proof pressure relief mechanism 4 includes two cooperating pressure relief plates 41 and a connecting steel bar 42 for connecting the two pressure relief plates 41. The two pressure relief plates 41 abut against the movable plate 3 and the fixed plate 2. The two pressure relief plates 41 are symmetrically arranged, and corresponding notches 411 are opened on opposite sides of the two pressure relief plates 41. The notches 411 on the two pressure relief plates 41 are opposite to each other, so that the two pressure relief plates 41 can be spliced ​​into an integral structure. A set of mounting holes 412 penetrating the pressure relief plates 41 are opened on the pressure relief plates 41. The mounting holes 412 on the two pressure relief plates 41 are corresponding. The connecting steel bar 42 passes through the mounting holes 412 on the two pressure relief plates 41 to connect the two pressure relief plates 41. For ease of description, the number of mounting holes 412 in this embodiment is one set. In other embodiments not shown, the number of mounting holes 412 can be multiple sets.

[0038] like Figure 4 As shown, in this embodiment, both ends of the connecting steel bar 42 extend outside the pressure relief plate 41. Both ends of the connecting steel bar 42 are threaded, and connecting nuts 43 are fitted at the threads at both ends of the connecting steel bar 42. A spring tube 44 is also fitted on the connecting steel bar 42. The two ends of the spring tube 44 abut against the connecting nut 43 and the pressure relief plate 41 respectively. When an explosion occurs indoors, the impact force on the pressure relief plate 41 is transmitted to the connecting steel bar 42. Both the pressure relief plate 41 and the connecting steel bar 42 deform. The two ends of the connecting steel bar 42 move toward the pressure relief plate 41, and the spring tube 44 is squeezed and compressed. The deformation of the connecting steel bar 42 can buffer the impact force on the pressure relief plate 41. At the same time, the deformation of the spring tube 44 can cause the pressure relief plate 41 to undergo a large deformation to buffer the explosion load and restrain the pressure relief plate 41 from collapsing due to excessive deformation.

[0039] In the embodiment, when an explosion occurs in the room, the pressure relief plates 41 and the connecting steel bars 42 are deformed, and part of the dust will overflow from the joint of the two pressure relief plates 41, and the protective plate 6 can prevent the dust from flying and causing damage to the safety of the peripheral staff. When the explosion impact in the room is too large and the pressure relief plates 41 are damaged, the protective steel frame 5 can block the pressure relief plates 41 from flying out, so as to avoid the pressure relief plates 41 from damaging the protective plate 6 and the surrounding personnel.

[0040] In the embodiment, the material of the pressure relief plates 41 is a fiber reinforced calcium silicate board, and a fireproof coating is coated on the side of the pressure relief plates 41 close to the factory building. Meanwhile, the surface of the side of the pressure relief plates 41 close to the factory building is an uneven surface, which can play a role in noise reduction.

[0041] The working process and principle of the utility model are as follows: the connecting steel bars 42 are inserted through the two pressure relief plates 41, the two pressure relief plates 41 are connected, the spring tubes 44 are sleeved on the two ends of the connecting steel bars 42 and the connecting nuts 43 are tightened, so that the explosion relief mechanism 4 is combined; the combined explosion relief mechanism 4 is placed in the fixed frame 1, so that one side of the pressure relief plates 41 is attached to the fixed plate 2, the position of the movable plate 3 is adjusted, so that the pressure relief plates 41 are abutted between the movable plate 3 and the fixed plate 2, meanwhile, the first threaded hole 132 corresponds to the second threaded hole 31, the fastening bolt 133 is rotated, the tail of the fastening bolt 133 is inserted through the first threaded hole 132 and the second threaded hole in sequence, and the end of the fastening bolt 133 is abutted against the wall of the sliding groove 131, so that the relative position of the movable plate 3 on the fixed frame 1 is fixed, and then the fixed frame 1 is fixedly connected with the factory building wall. The safety type explosion relief wall provided in the scheme is convenient to install and disassemble, and is convenient to replace when the pressure relief plates 41 are damaged. When an explosion occurs in the room, the impact force received by the pressure relief plates 41 is transmitted to the connecting steel bars 42, the pressure relief plates 41 and the connecting steel bars 42 are deformed, the two ends of the connecting steel bars 42 move towards the pressure relief plates 41, the spring tubes 44 are extruded and compressed, the deformation of the connecting steel bars 42 can buffer the impact force received by the pressure relief plates 41, meanwhile, the deformation of the spring tubes 44 can make the pressure relief plates 41 produce large deformation to buffer the explosion load, and the pressure relief plates 41 are restrained from collapsing due to excessive deformation. Meanwhile, when an explosion occurs in the room, the pressure relief plates 41 and the connecting steel bars 42 are deformed, and part of the dust will overflow from the joint of the two pressure relief plates 41, and the protective plate 6 can prevent the dust from flying and causing damage to the safety of the peripheral staff. When the explosion impact in the room is too large and the pressure relief plates 41 are damaged, the protective steel frame 5 can block the pressure relief plates 41 from flying out, so as to avoid the pressure relief plates 41 from damaging the protective plate 6 and the surrounding personnel.

[0042] The above-described specific embodiments further specifically describe the technical problems, technical solutions and beneficial effects solved by the present application, and it should be understood that the above-described specific embodiments are merely specific embodiments of the present application and are not used to limit the present application, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A safety-type explosion-proof pressure relief wall, comprising a fixed frame (1), wherein two fixed plates (2) and two slidable movable plates (3) are fixedly installed inside the fixed frame (1), wherein one side of the movable plate (3) is the side closer to the factory building, characterized in that: An explosion-proof pressure relief mechanism (4) is provided between the fixed plate (2) and the movable plate (3). A protective steel frame (5) is fixedly connected between the two fixed plates (2). A protective plate (6) is fixedly installed at the end of the fixed plate (2) away from the explosion-proof pressure relief mechanism (4). The explosion-proof pressure relief mechanism (4) includes two matching pressure relief plates (41) and a connecting steel bar (42) for connecting the two pressure relief plates (41). The pressure relief plate (41) abuts between the movable plate (3) and the fixed plate (2).

2. The safety-type explosion-proof pressure relief wall according to claim 1, characterized in that: The fixing frame (1) includes a top beam (11), a bottom beam (12) and two side beams (13). The two side beams (13) are arranged in parallel. The top beam (11) and the bottom beam (12) are arranged in parallel. The top beam (11) and the bottom beam (12) are fixed between the two side beams (13). The end faces of the two side beams (13) that are close to each other abut against the two ends of the top beam (11) and the bottom beam (12), respectively, so that the top beam (11), the bottom beam (12) and the two side beams (13) form a rectangular structure.

3. The safety-type explosion-proof pressure relief wall according to claim 2, characterized in that: The upper and lower ends of the two fixed plates (2) are fixedly connected to the top beam (11) and the bottom beam (12) respectively, and the ends of the two fixed plates (2) on the opposite sides are fixedly connected to the two side beams (13) respectively.

4. A safety-type explosion-proof pressure relief wall according to claim 2, characterized in that: The two side beams (13) are provided with grooves (131) corresponding to the movable plate (3). The two movable plates (3) pass through the grooves (131) on the two side beams (13) respectively, and the movable plates (3) can slide relative to the side beams (13).

5. A safety-type explosion-proof pressure relief wall according to claim 4, characterized in that: The side beam (13) is provided with a plurality of first threaded holes (132) that are connected to the slide groove (131). The movable plate (3) is provided with second threaded holes (31) corresponding to the first threaded holes (132). A fastening bolt (133) is provided in the first threaded hole (132). The tail of the fastening bolt (133) passes through the first threaded hole (132) and the second thread in sequence, and the end of the fastening bolt (133) abuts against the wall of the slide groove (131).

6. The safety-type explosion-proof pressure relief wall according to claim 1, characterized in that: The two pressure relief plates (41) are arranged symmetrically, and corresponding notches (411) are opened on opposite sides of the two pressure relief plates (41).

7. A safety-type explosion-proof pressure relief wall according to claim 1, characterized in that: The pressure relief plate (41) has a set of mounting holes (412) that pass through it. The mounting holes (412) on the two pressure relief plates (41) correspond to each other. The connecting steel bar (42) passes through the mounting holes (412) on the two pressure relief plates (41) to connect them.

8. The safety-type explosion-proof pressure relief wall according to claim 1, characterized in that: The two ends of the connecting steel bar (42) extend outside the pressure relief plate (41), and the two ends of the connecting steel bar (42) are threaded, and the threaded ends of the connecting steel bar (42) are fitted with connecting nuts (43).

9. A safety-type explosion-proof pressure relief wall according to claim 8, characterized in that: A spring tube (44) is also fitted on the connecting steel bar (42), and the two ends of the spring tube (44) abut against the connecting nut (43) and the pressure relief plate (41) respectively.

10. A safety-type explosion-proof pressure relief wall according to claim 1, characterized in that: The pressure relief plate (41) is made of fiber-reinforced calcium silicate board, and has a fireproof coating on the side of it closest to the factory building. The surface of the pressure relief plate (41) closest to the factory building is an uneven surface.

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