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Flat split rupture disc device with novel structure

A bursting disc and new structure technology, applied in the direction of valve devices, balance valves, functional valves, etc., can solve the problems of increased manufacturing costs, threats to production and personal safety, impact of bursting pressure of bursting discs, etc., to improve service life and prolong Replacement cycle, effect of improving corrosion resistance

Active Publication Date: 2012-09-19
DALIAN LIGONG SAFETY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The general slotted bursting disc device cannot meet the above requirements, unless the holder, bursting disc and related accessories are made of particularly precious metals, which will undoubtedly greatly increase the manufacturing cost, even if the bursting disc products produced with precious metals meet the final inspection Requirements, but in the actual use process, a small amount of corrosion will also have a great impact on the burst pressure of the rupture disc, threatening production and personal safety

Method used

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  • Flat split rupture disc device with novel structure
  • Flat split rupture disc device with novel structure
  • Flat split rupture disc device with novel structure

Examples

Experimental program
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Effect test

Embodiment 1

[0055] A new structure flat slot type bursting disc device, the nominal diameter of the bursting disc is 100mm, h 1 =h 4 =1.5mm, h 7 =h 8 =1.0mm, h 2 =10mm, h 3 =5mm, h 5 =10.7mm, h 6 =5.7mm; D 0 =D 6 =160mm, D 1 =D 10 =120mm, D 2 =140mm, D 3 =D 9 =150mm, D 4 =D 7 =140mm, D 5 =130mm, D 8 =145mm, D 11 =115mm, R=55mm, s 1 =s 2 =1.0mm, d=2mm; the spacing of the sieve holes 222 processed on the supporting plate 37 is 16mm, α=60°, the opening diameter is 14mm, the number of openings is 55, and the discharge area is 8466.6mm 2 , 6 through-slits I 332 are evenly distributed on the bursting disc 33, and the central angle corresponding to the arc of the non-closed end on the supporting ring 37 is β=60°.

Embodiment 2

[0057] A new structure flat slot type bursting disc device, the nominal diameter of the bursting disc is 150mm, h 1 =h 4 =1.5mm, h 7 =h 8 =1.0mm, h 2 =15mm, h 3 =7mm, h 5 =15.7mm, h 6 =7.7mm; D 0 =D 6 =220mm, D 1 =D 10 =180mm, D 2 =200mm, D 3 =D 9 =210mm, D 4 =D 7 =200mm, D 5 =190mm, D 8 =205mm, D 11 =175mm, R=85mm, s 1 =s 2 =1.5mm, d=3mm; the spacing of the sieve holes 222 processed on the supporting plate 37 is 18mm, α=60°, the opening diameter is 16mm, the number of openings is 85, and the discharge area is 17090mm 2 , 6 through-slits I 332 are evenly distributed on the bursting disc 33, and the central angle corresponding to the arc of the non-closed end on the supporting ring 37 is β=60°.

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Abstract

The invention discloses a flat split rupture disc device with a novel structure, comprising an upper gripper, a lower gripper assembly and a rupture disc assembly. The flat split rupture disc device is characterized in that the rupture disc assembly is formed by fixedly connecting a backing ring, a protective film, a rupture disc, a lining film I, a sealing film, a lining film II and a supportingring from top to bottom; the surface at one side of the upper gripper, near the rupture disc assembly, is provided with a boss I and a boss II; the lower gripper assembly comprises a lower gripper and a supporting plate, the surface at one side of the lower gripper, near the rupture disc assembly, is provided with a boss III, the surface at the other side of the lower gripper is provided with a recess, the periphery of the supporting plate is provided with a boss IV matched with the recess, and the supporting plate is provided with at least one screen hole and fixedly connected with the lowergripper; and the rupture disc assembly is clamped and fixed between the upper gripper and the lower gripper through the boss II and the boss III. The flat split rupture disc device has the advantagesof refined materials, strong corrosion resistance, long service life and the like so as to be suitable for a high vacuum, high dielectric or environment corrosion overpressure environment.

Description

technical field [0001] The invention relates to a bursting disc device, in particular to a flat-plate slotted bursting disc device with a new structure. Background technique [0002] At present, a large number of enamel, glass-lined or lined containers are used in the petroleum, chemical, and pharmaceutical industries. The applicable medium is generally a highly corrosive medium, and most similar containers are operated under slight positive pressure, normal pressure or negative pressure. In order to prevent the occurrence of fire or explosion accidents, a slotted rupture disc device with a relatively low design burst pressure is generally installed on the container. Special working conditions and media have higher requirements for the slotted rupture disc device: the material of the holder and the rupture disc must meet the requirements of medium and environmental corrosion resistance, and the slotted rupture disc device must be operated under vacuum or negative pressure. ...

Claims

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Application Information

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IPC IPC(8): F16K17/16
Inventor 李新东苏贵宇李岳徐忠慧许文斌吴昌巴妥张粼粼
Owner DALIAN LIGONG SAFETY EQUIP