F4 high-temperature rupture disk safety shielding device

Abstract

The invention relates to the technical field of petrochemical engineering, and discloses an F4 high-temperature rupture disk safety shielding device which comprises two companion flanges and a blasting device, the number of the companion flanges is two, threaded holes are formed in the two companion flanges, fasteners are connected in the threaded holes, the two companion flanges are fixedly connected through the fasteners, and the blasting device is fixedly connected with the companion flanges. A clamping device assembly is further fixedly installed between the two paired flanges, the clamping device assembly clamps a blasting device, the clamping device assembly further clamps a temperature shielding device, and the temperature shielding device is located at the position close to the pressure relief direction and is composed of the flanges, a blasting piece assembly, the clamping device assembly, a fastener and the like. The device is installed on the protected petrochemical storage and transportation equipment, and during normal operation, the rupture disk is in a closed state; when the internal liquid level pressure of the storage and transportation equipment exceeds the designed safety pressure of the rupture disk, the rupture disk can be exploded, the internal liquid of the storage and transportation equipment is discharged towards the discharge port, and the effects of pressure relief, cooling and explosion resistance are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of petrochemical industry, in particular to an F4 high-temperature bursting disc safety shielding device. Background Art

[0002] Safety protection in the petrochemical industry reduces and avoids the loss of state property and private enterprise property, and increases the safety factor of the life and property of enterprise employees. It avoids explosion and fire accidents, minimizes the economic losses of state-owned enterprises and private enterprises, brings happiness to the families of enterprise employees, and protects the life and property of enterprise personnel. With the development of modern industry, the potential danger of explosion caused by overpressure and high temperature in the chemical industry pipeline has greatly increased. The bursting disc safety combination device is mainly designed for explosion protection to protect the storage and transportation equipment of the petrochemical industry and the life and property of operators from explosion damage. Provide safety protection for storage, transportation equipment, buildings and personnel in the petrochemical industry. Simple installation and maintenance, reducing equipment modification costs. Summary of the invention

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies of the prior art, the present invention provides an F4 high-temperature bursting disc safety shielding device.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an F4 high-temperature bursting disc safety shielding device, comprising a matching flange and a bursting device, wherein the matching flanges are two, and threaded holes are provided on the two matching flanges, and fasteners are connected in the threaded holes, the two matching flanges are fixedly connected by the fasteners, and a clamp assembly is also fixedly installed between the two matching flanges, the clamp assembly clamps the bursting device, and the clamp assembly also clamps a temperature shielding device, and the temperature shielding device is located near the pressure relief direction.

[0007] Preferably, a connecting plate four is fixedly mounted on the matching flange in the pressure relief direction, a connecting plate two is connected to the bottom of the connecting plate four via a connecting mechanism, and a bottom plate is fixedly mounted on the connecting plate two.

[0008] Preferably, a sealing ring 2 is fixedly mounted on the lower end surface of the bottom plate, screw holes are provided at the four corners of the bottom plate, and fixing plates are connected to the screw holes.

[0009] Preferably, the connecting mechanism includes a connecting plate 1 and a connecting block, and the connecting plate 1 is movably installed between the connecting plate 2 and the connecting plate 4, and a movable space is formed among the connecting plate 1, the connecting plate 2 and the connecting plate 4.

[0010] Preferably, spring one is fixedly installed at the upper and lower ends of the connecting plate one, connecting blocks are fixedly installed on the two springs one, spring two is fixedly connected between the two connecting blocks, and the two connecting blocks are fixedly connected to connecting plate two and connecting plate four respectively.

[0011] Preferably, connecting plate three is movably installed at the upper and lower ends of connecting plate one, and the two connecting plates are symmetrically arranged on connecting plate one. The cross-section of the two connecting plates three is L-shaped, one side of connecting plate three is in contact with connecting plate one, and two sealing rings one are fixedly installed on the other side close to connecting plate one.

[0012] Preferably, a card slot is provided on the connecting plate 2 and the connecting plate 4 and close to the connecting plate 1, and the card slot is adapted to the sealing ring 1.

[0013] Preferably, the fixing plate is designed to be Z-shaped, one end of the fixing plate is placed on the bottom plate, and the other end is fixed on the fixing platform, and both horizontal end surfaces of the fixing plate are provided with threaded grooves, which are adapted to the screw holes.

[0014] Preferably, the thread groove is composed of a plurality of intersecting circles, and threads that do not interfere with each other are arranged on the inner wall of each arc of the (thread groove).

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the present invention provides an F4 high temperature bursting disc safety shielding device, which has the following features:

[0017] Beneficial effects:

[0018] 1. The F4 high-temperature bursting disc safety shielding device has superior technical performance; it is mainly composed of flanges, bursting disc components, clamp components, fasteners, etc. This device is installed on the protected petrochemical storage and transportation equipment. During normal operation, the bursting disc is in a closed state; when the internal liquid pressure of the storage and transportation equipment exceeds the designed safety pressure of the bursting disc, the bursting disc will explode, and the internal liquid of the storage and transportation equipment will be discharged toward the discharge port. Avoid and reduce the occurrence of explosion accidents, and play a role in pressure relief, temperature reduction and explosion resistance.

[0019] 2. The F4 high-temperature bursting disc safety shielding device avoids explosion accidents in storage and transportation equipment in the petrochemical industry, reduces economic losses to the state and private enterprises to the lowest point, and protects the lives and property of enterprise employees.

[0020] 3. The F4 high temperature bursting disc safety shielding device can protect equipment in high temperature and corrosive environments in the petrochemical industry, with superior technical performance.

[0021] 4. The F4 high-temperature bursting disc safety shielding device fixes the bottom plate on the fixed platform. Through the design of the fixing plate, as long as the device matches the pressure relief port, the bottom plate can be flexibly fixed to the pressure relief port position to achieve a flexible fixing effect. After the fixing is completed, the connecting plate three is rotated to make the sealing ring one engage in the card groove to achieve a sealing effect. Then, by rotating the connecting plate three, the pressure relief effect can be achieved at any time, thereby achieving the effect of adjusting the pressure relief.

[0022] 5. The F4 high-temperature bursting disc safety shielding device is manufactured by fixing the upper cross plate of the fixing plate to the screw hole by means of screws and nuts, and then fixing the lower cross plate to the fixing platform by means of screws and nuts. By means of the threaded groove design on the fixing plate, the fixing plate can be fixed on fixing platforms of various sizes, thereby achieving a flexible fixing effect. At the same time, by means of the retractable characteristics of the middle plate of the fixing plate, the fixing plate can be fixed on an uneven fixing platform, thereby achieving a better fixing effect. At the same time, the pulling effect of the spring can ensure the stability of the bottom plate after it is fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the bottom plate structure of the present invention;

[0025] Figure 3 It is a schematic diagram of the bottom plate structure of the present invention.

[0026] In the figure: 1. temperature shielding device; 2. clamp assembly; 3. blasting device; 4. matching flange; 5. fastener; 6. spring one; 7. spring two; 8. connecting plate one; 9. connecting plate two; 10. slot; 11. connecting plate three; 12. screw hole; 13. sealing ring one; 14. bottom plate; 15. sealing ring two; 16. fixing plate; 17. thread; 18. thread groove; 19. connecting plate four; 20. connecting block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Embodiment 1

[0029] See also Figure 1-3, F4 high temperature bursting disc safety shielding device, including a matching flange 4 and a bursting device 3, the matching flanges 4 are two, and both matching flanges 4 are provided with threaded holes, and fasteners 5 are connected in the threaded holes, the two matching flanges 4 are fixedly connected by the fasteners 5, and a clamp assembly 2 is also fixedly installed between the two matching flanges 4, the clamp assembly 2 clamps the bursting device 3, and the clamp assembly 2 also clamps a temperature shielding device 1, and the temperature shielding device 1 is located near the pressure relief direction.

[0030] A connecting plate 4 19 is fixedly mounted on the matching flange 4 in the pressure relief direction, and a connecting plate 2 9 is connected to the lower part of the connecting plate 4 19 via a connecting mechanism, and a bottom plate 14 is fixedly mounted on the connecting plate 29 .

[0031] A sealing ring 15 is fixedly mounted on the lower end surface of the bottom plate 14 . Screw holes 12 are formed at four corners of the bottom plate 14 . Fixing plates 16 are connected to the screw holes 12 .

[0032] The connecting mechanism includes a connecting plate 1 8 and a connecting block 20. The connecting plate 1 8 is movably installed between the connecting plate 2 9 and the connecting plate 4 19. A movable space is formed between the connecting plate 1 8, the connecting plate 2 9 and the connecting plate 4 19.

[0033] The upper and lower ends of the connecting plate 1 8 are fixedly installed with springs 1 6, and connecting blocks 20 are fixedly installed on the two springs 1 6. A spring 2 7 is fixedly connected between the two connecting blocks 20. The two connecting blocks 20 are fixedly connected to the connecting plate 2 9 and the connecting plate 4 20 respectively.

[0034] The upper and lower ends of the connecting plate 18 are movably mounted with connecting plates 3 11, the two connecting plates 11 are symmetrically arranged on the connecting plate 18, the cross-sections of the two connecting plates 3 11 are L-shaped, one side of the connecting plate 3 11 is in contact with the connecting plate 18, and the other side close to the connecting plate 18 is fixedly mounted with two sealing rings 13.

[0035] A slot 10 is provided on the connecting plate 2 9 and the connecting plate 4 20 near the connecting plate 1 8 , and the slot 10 is adapted to the sealing ring 13 .

[0036] When in use, it is composed of flange, bursting disc assembly, double bursting disc (the design purpose of double bursting disc is: the flat bursting disc design at the medium contact end of the storage and transportation equipment, shielding the excessively high temperature medium inside the storage and transportation equipment from directly contacting the external protected positive arch bursting disc (positive arch bursting disc bracket is F4), and playing a shielding effect on the high temperature medium.), clamp assembly, fasteners, etc. This device is installed on the protected petrochemical storage and transportation equipment. During normal operation, the bursting disc is in a closed state (i.e., the original design state); when the internal liquid surface pressure of the storage and transportation equipment exceeds the designed safety pressure of the bursting disc (i.e., the bursting pressure of the bursting disc designed to protect the storage and transportation equipment), the bursting disc will explode (i.e., the bursting disc is in the open state), the bursting disc explodes, and the liquid inside the storage and transportation equipment is discharged to the outside in the direction of the discharge port, which plays a role in pressure relief, temperature reduction and deflagration resistance, and avoids and reduces the occurrence of explosion and fire accidents.

[0037] During installation, by fixing the bottom plate 14 on the fixed platform and the design of the fixing plate 16, as long as the device matches the pressure relief port, the bottom plate can be flexibly fixed to the position of the pressure relief port to achieve a flexible fixing effect. After the fixing is completed, the connecting plate three 11 is rotated to make the sealing ring 13 engage in the slot to achieve a sealing effect. Then, by rotating the connecting plate three 11, the pressure relief effect can be achieved at any time, thereby achieving the function of adjusting the pressure relief.

[0038] Embodiment 2

[0039] Based on Example 1, please refer to Figure 3 The fixing plate 16 is designed to be Z-shaped, one end of the fixing plate 16 is placed on the bottom plate 14 , and the other end is fixed on the fixing platform. Both horizontal end surfaces of the fixing plate 16 are provided with thread grooves 18 , and the thread grooves 18 are adapted to the screw holes 12 .

[0040] The thread groove 18 is composed of a plurality of intersecting circles, and threads 17 that do not interfere with each other are arranged on the inner wall of each arc of the thread groove 18 .

[0041] The middle vertical rod of the fixing plate 16 is designed as a retractable plate connected by a spring, so that the upper and lower horizontal plates of the fixing plate 16 can move up and down. The upper horizontal plate of the fixing plate 16 is fixed to the screw hole 12 by means of screws and nuts, and then the lower horizontal plate of 16 is also fixed to the fixing platform by means of screws and nuts. The threaded groove design on the fixing plate 16 allows the fixing plate 16 to be fixed on fixing platforms of various sizes to achieve a flexible fixing effect. At the same time, the retractable characteristics of the middle plate of the fixing plate 16 are utilized so that the fixing plate 16 can be fixed on an uneven fixing platform to achieve a better fixing effect. At the same time, the pulling effect of the spring can ensure the stability of the bottom plate 14 after it is fixed.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. F4 high temperature bursting disc safety shielding device, comprising a matching flange (4) and a bursting device (3), characterized in that: There are two matching flanges (4), and threaded holes are provided on the two matching flanges (4), and fasteners (5) are connected in the threaded holes. The two matching flanges (4) are fixedly connected by the fasteners (5). A clamp assembly (2) is also fixedly installed between the two matching flanges (4). The clamp assembly (2) clamps the bursting device (3). The clamp assembly (2) also clamps a temperature shielding device (1), and the temperature shielding device (1) is located close to the pressure relief direction.

2. The F4 high temperature bursting disc safety shielding device according to claim 1 is characterized in that: A connecting plate four (19) is fixedly mounted on the matching flange (4) in the pressure relief direction, a connecting plate two (9) is connected to the lower side of the connecting plate four (19) via a connecting mechanism, and a bottom plate (14) is fixedly mounted on the connecting plate two (9).

3. The F4 high temperature bursting disc safety shielding device according to claim 1 is characterized in that: A sealing ring 2 (15) is fixedly mounted on the lower end surface of the bottom plate (14), screw holes (12) are provided at four corners of the bottom plate (14), and a fixing plate (16) is connected to the screw holes (12).

4. The F4 high temperature bursting disc safety shielding device according to claim 1 is characterized in that: The connection mechanism comprises a connection plate 1 (8) and a connection block (20); the connection plate 1 (8) is movably mounted between the connection plate 2 (9) and the connection plate 4 (19); and a movable space is formed among the connection plate 1 (8), the connection plate 2 (9) and the connection plate 4 (19).

5. The F4 high temperature bursting disc safety shielding device according to claim 1 is characterized in that: The upper and lower ends of the connecting plate one (8) are both fixedly mounted with spring one (6), the two spring ones (6) are both fixedly mounted with connecting blocks (20), a spring two (7) is fixedly connected between the two connecting blocks (20), and the two connecting blocks (20) are respectively fixedly connected to the connecting plate two (9) and the connecting plate four (20).

6. The F4 high temperature bursting disc safety shielding device according to claim 1 is characterized in that: The upper and lower ends of the connecting plate one (8) are both movably mounted with connecting plates three (11), the two connecting plates (11) are symmetrically arranged on the connecting plate one (8), the cross-sections of the two connecting plates three (11) are L-shaped, one side of the connecting plate three (11) is in contact with the connecting plate one (8), and the other side close to the connecting plate one (8) is fixedly mounted with two sealing rings one (13).

7. The F4 high temperature bursting disc safety shielding device according to claim 1 is characterized in that: A slot (10) is provided on the second connecting plate (9) and the fourth connecting plate (20) and close to the first connecting plate (8), and the slot (10) is matched with the first sealing ring (13).

8. The F4 high temperature bursting disc safety shielding device according to claim 1 is characterized in that: The fixing plate (16) is designed to be Z-shaped, one end of the fixing plate (16) is placed on the bottom plate (14), and the other end is fixed on the fixing platform, and both horizontal end surfaces of the fixing plate (16) are provided with thread grooves (18), and the thread grooves (18) are adapted to the screw holes (12).

9. The F4 high temperature bursting disc safety shielding device according to claim 1, characterized in that: The thread groove (18) is composed of a plurality of intersecting circles, and threads (17) that do not interfere with each other are arranged on the inner wall of each arc of the (thread groove 18).

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