Bidirectional graphite type rupture disk device

Abstract

The utility model discloses a bidirectional graphite type rupture disk device, which comprises an assembly table, and is characterized in that the inner side of the assembly table is respectively provided with a negative blasting area edge and a positive blasting area edge, and the middle position of the inner side of the assembly table is provided with a reinforcing plate and a pressure relief area for reinforcing connection; a plurality of groups of pressure relief holes are formed in the pressure relief area, a positive blasting area and a negative blasting area are arranged at the top and the bottom of the pressure relief area respectively, sealing concave layers are mounted at the edges of the negative blasting area and the positive blasting area, and supporting cushion blocks are arranged on the inner sides of the sealing concave layers; according to the utility model, the sealing concave layers and the supporting cushion blocks for sealing protection are arranged in the negative blasting area, the pressure relief area and the positive blasting area, so that when a fluid medium is subjected to pressure relief and release through the pressure relief area, the balance force and the stability of pressure circulation and fluid medium release are improved by utilizing the reinforcing plates and the two groups of supporting cushion blocks for reinforcing and positioning.

Description

Technical Field

[0001] The utility model relates to the technical field of bursting discs, in particular to a two-way graphite bursting disc device. Background Technique

[0002] A graphite bursting disc is a bursting disc impregnated with resin and formed multiple times, which can withstand high corrosion and is mainly used in high-corrosion working conditions. At the set bursting temperature, when the pressure difference on both sides of the bursting disc reaches the preset value, the bursting disc immediately operates (breaks or falls off) and discharges the fluid medium.

[0003] The authorized patent number CN214119071U discloses a two-way graphite bursting disc device. This device mainly realizes safe discharge when the bursting pressure is reached through the arrangement of the positive annular part on the positive bursting disc, the negative annular part on the negative bursting disc, and the vertically aligned layout, so that the positive bursting area and the negative bursting area of the bursting disc device fall off together along the positive annular part and the negative annular part without fragments, realizing safe discharge; the multiple discharge holes arranged on the positive bursting area of the positive bursting disc and the negative annular part on the negative bursting disc enable the negative bursting area of the bursting disc device to fall off along the negative annular part when the negative bursting pressure is reached, and the fluid medium is discharged through the discharge holes, realizing fragment-free safe discharge under the negative pressure working condition in a vacuum environment, thus realizing two-way bursting. However, in actual use of the device, there are still the following defects:

[0004] The above patent mainly uses the arrangement of the positive annular part and the negative annular part to realize safe discharge when the bursting disc device reaches the positive bursting pressure. However, during the pressure discharge process, when the cracked protective film cracks, it is not easy to notify the limiting hole, resulting in inconsistent local sizes of the openings of the cracked protective film, thereby affecting the normal discharge of pressure and fluid medium. Moreover, when the protective film breaks through for pressure relief, the pressure relief holes are prone to dislocation and penetration under greater pressure, reducing the stability and discharge efficiency inside the protection piece. Content of the Utility Model

[0005] The purpose of the utility model is to provide a two-way graphite bursting disc device to solve the problems raised in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solutions: a two-way graphite bursting disc device, including an assembly table, characterized in that: the inner side of the assembly table is respectively provided with a negative bursting area edge and a positive bursting area edge, a reinforcing plate and a pressure relief area with a reinforced connection are installed at the middle position inside the assembly table, a plurality of pressure relief holes are provided inside the pressure relief area, a positive bursting area and a negative bursting area are respectively provided at the top and bottom of the pressure relief area, a sealing concave layer is installed at the edges of the negative bursting area and the positive bursting area, and a support cushion block is provided inside the sealing concave layer. Support rings are provided at the edges of the top and bottom inside the assembly table, and four shock-absorbing blocks are provided inside the two support rings. A protective film is provided outside the positive bursting area and the negative bursting area.

[0007] Preferably, four shear lines are provided inside the protective film, and the protective film is in contact with the support ring in a ruptured state, improving the consistency of the rupture of the protective film.

[0008] Preferably, the plurality of shock-absorbing blocks are arranged in an inclined structure inside the support ring, and buffer pads are provided outside the plurality of shock-absorbing blocks, improving the shock absorption and buffering force of the structure.

[0009] Preferably, the two support cushion blocks are connected to the support ring, the negative bursting area edge and the positive bursting area edge in a honeycomb structure, grooves are provided inside the two sealing concave layers, and the two support cushion blocks are embedded inside the grooves, increasing the reinforcement effect of the support cushion blocks on the inside of the bursting disc.

[0010] Preferably, the negative bursting area, the pressure relief area and the positive bursting area are relatively matched in the same vertical plane, so that the fluid medium and pressure are respectively discharged from the negative bursting area or the positive bursting area, and a protective film is provided in the pressure relief direction to achieve the two-way pressure relief effect.

[0011] Preferably, the two sealing concave layers are respectively composed of a sealing ring and a sealing cushion layer, and the pressure relief area is hermetically attached to the positive bursting area and the sealing concave layer, improving the sealing performance of the internal structure.

[0012] The two-way graphite bursting disc device proposed by the present utility model has at least the following beneficial effects:

[0013] By arranging a sealed concave layer and supporting pads with sealed protection in the negative blasting area, pressure relief area and positive blasting area, when the fluid medium is relieved through the pressure relief area, the fixed positioning of the reinforcement plate and two groups of supporting pads is utilized to improve the balance and stability of pressure circulation and fluid medium discharge. Moreover, the sealed cooperation of the sealed concave layer is used to avoid leakage of the bursting disc. The limiting cooperation of the support ring and four groups of shock-absorbing blocks can limit the contact of the split protective film, making the opening of the cracked protective film complete, and reducing the impact force and pressure during pressure relief, so as to achieve the effect of promoting the stable discharge of the fluid medium and uniform pressure relief. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a perspective view of the present utility model;

[0015] Figure 2 is a front view cross-sectional view of the present utility model;

[0016] Figure 3 for the present utility model Figure 2 is an enlarged schematic view of the structure at position A;

[0017] Figure 4 is a top view of the protective film of the present utility model.

[0018] In the figure: 1, assembly table; 2, protective film; 3, support ring; 4, shock-absorbing block; 5, negative blasting area; 6, pressure relief area; 7, positive blasting area; 8, edge of negative blasting area; 9, edge of positive blasting area; 10, reinforcement plate; 11, pressure relief hole; 12, support pad; 13, sealed concave layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] Please refer to Figures 1-4 , the embodiment provided by the present utility model: a two-way graphite type bursting disc device, including an assembly table 1), the inner side of the assembly table 1) is respectively provided with an edge 8) of the negative blasting area and an edge 9) of the positive blasting area, a reinforcement plate 10) and a pressure relief area 6) with reinforced connection are installed at the middle position inside the assembly table 1), a plurality of pressure relief holes 11) are opened inside the pressure relief area 6), a positive blasting area 7) and a negative blasting area 5) are respectively arranged at the top and bottom of the pressure relief area 6);

[0021] At the edges of the negative blasting area 5) and the positive blasting area 7), a sealing concave layer 13) is installed, and a support cushion block 12) is arranged inside the sealing concave layer 13). At the edges of the inner top and bottom of the assembly table 1), support rings 3) are provided. Inside the two groups of support rings 3), four groups of shock-absorbing blocks 4) are provided. The multiple groups of shock-absorbing blocks 4) are arranged in an inclined structure inside the support rings 3). A buffer pad is arranged outside the multiple groups of shock-absorbing blocks 4) to improve the shock-absorbing and buffering force of the structure. A protective film 2) is arranged outside the positive blasting area 7) and the negative blasting area 5). Four groups of shear lines are opened inside the protective film 2). The protective film 2) in a ruptured state is in contact with the support ring 3) to improve the consistency of the rupture of the protective film 2). The two groups of sealing concave layers 13) are respectively composed of a sealing ring and a sealing cushion layer. The pressure relief area 6) is hermetically attached to the positive blasting area 7) and the sealing concave layer 13) to improve the sealing of the internal structure.

[0022] Example 1, as Figures 1-3 shown, the multiple groups of shock-absorbing blocks 4) are arranged in an inclined structure inside the support rings 3), and a buffer pad is arranged outside the multiple groups of shock-absorbing blocks 4), increasing the limit shock-absorbing function in the ruptured state of the protective film 2) and improving the uniform stability of the fluid value discharge.

[0023] Example 2, as Figures 1-3 shown, the two groups of support cushion blocks 12) are in a honeycomb structure and are connected to the support ring 3), the edge 8) of the negative blasting area and the edge 9) of the positive blasting area. Grooves are arranged inside the two groups of sealing concave layers 13), and the two groups of support cushion blocks 12) are embedded inside the grooves to improve the reinforcement and sealing effect of the structure connection and avoid the loosening and offset of the structure during pressure discharge.

[0024] Working principle: In this two-way graphite type bursting disc device;

[0025] When the fluid medium comes into contact with the pressure relief area 6), when the pressure of the fluid medium reaches the positive bursting pressure, it can cause the protective film 2) to break through from the positive blasting area 7) under the discharge of multiple pressure relief holes 11) in the pressure relief area 6), and then the fluid medium is stably discharged under the reinforcement of the reinforcement plate 10) and the support cushion block 12). When the fluid value pressure reaches the negative bursting pressure, it causes the fluid medium to be discharged from the negative blasting area 5), thus realizing the two-way blasting work of the graphite type bursting disc. When the protective film 2) in the set direction ruptures, through the limit contact of the four groups of shock-absorbing blocks 4), the split protective film 2) can be kept consistent and the vibration generated by the pressure can be reduced, thereby ensuring the stable discharge of the fluid medium.

[0026] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claimed rights involved.

[0027] In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0028] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "connected to" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Claims

1. A bidirectional graphite bursting disc device, comprising an assembly platform (1), characterized in that: The inner side of the assembly platform (1) is provided with a negative blasting zone edge (8) and a positive blasting zone edge (9), a reinforcement plate (10) and a pressure relief zone (6) connected to the reinforcement are installed at the middle position of the inner side of the assembly platform (1), a plurality of pressure relief holes (11) are provided inside the pressure relief zone (6), a positive blasting zone (7) and a negative blasting zone (5) are provided at the top and bottom of the pressure relief zone (6), a sealing concave layer (13) is installed at the edge of the negative blasting zone (5) and the positive blasting zone (7), and a supporting pad (12) is provided on the inner side of the sealing concave layer (13), a supporting ring (3) is provided at the edge of the inner top and bottom of the assembly platform (1), four groups of shock absorbing blocks (4) are provided on the inner side of the two groups of the support rings (3), and a protective film (2) is provided on the outer side of the positive blasting zone (7) and the negative blasting zone (5).

2. A bidirectional graphite bursting disc device according to claim 1, characterized in that: Four groups of shear lines are provided inside the protective film (2), and the protective film (2) is in a broken state and in contact with the support ring (3).

3. A bidirectional graphite bursting disc device according to claim 1, characterized in that: The plurality of groups of shock absorbing blocks (4) are arranged in an oblique structure on the inner side of the support ring (3), and the outer sides of the plurality of groups of shock absorbing blocks (4) are provided with buffer pads.

4. A bidirectional graphite bursting disc device according to claim 1, characterized in that: The two groups of support pads (12) are in a honeycomb structure and are connected to the support ring (3) and the edge (8) of the negative blasting zone and the edge (9) of the positive blasting zone. The inner sides of the two groups of sealing concave layers (13) are provided with grooves, and the two groups of support pads (12) are embedded in the inner sides of the grooves.

5. A bidirectional graphite bursting disc device according to claim 1, characterized in that: The negative blasting zone (5), the pressure relief zone (6) and the positive blasting zone (7) are relatively matched in the same vertical plane.

6. A bidirectional graphite bursting disc device according to claim 1, characterized in that: The two groups of sealing concave layers (13) are respectively composed of a sealing ring and a sealing cushion layer, and the pressure relief area (6) is sealed with the forward explosion area (7) and the sealing concave layer (13).

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