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Safe discharging mechanism

A safe venting and venting technology, used in the field of fire fighting and fire control, can solve the problems of assembly and rotation wrinkle leakage, poor corrosion resistance, blasting and venting, etc., to avoid wrinkling and enhance environmental adaptability. , The effect of improving corrosion resistance

Inactive Publication Date: 2012-08-15
上海行辉金属科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the current situation that the safety relief mechanism is blasted and released by the impact of high kinetic energy medium, the corrosion resistance is poor, and the assembly and rotation are wrinkled and leaked

Method used

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Embodiment Construction

[0020] The safety relief mechanism is composed of: body, diaphragm, relief screw plug, pressure ring, gasket, O-ring, and damping plug. The diaphragm is sandwiched between the pressure ring and the gasket, and the contact surface is lubricated with Vaseline. The discharge screw plug is fastened to the pressure relief port of the body through a constant torque wrench. The damping plug is fitted in the pressure relief port of the body with an O-shaped seal. The ring is embedded in the gasket groove; it is usually in a pressure-sealed state. The gasket inlet adopts O-shaped sealing rings and several grooves are processed on the outlet plane. Under the long-term storage servo working state, it maintains a reliable seal when it experiences temperature cycles and vibrations; When the pressure is released, the overpressure pressure source forms a narrow oblique flow and direct flow through the damping plug, and turns to the tapered surface of the gasket and enters the cylindrical hole...

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Abstract

The invention provides a safe discharging mechanism. The appearance of the safe discharging mechanism is cylindrical; the safe discharging mechanism is in a pre-compaction membrane structure; a membrane is clamped between a pressing ring and a gasket; a discharging plug screw is fastened at a main body pressure relief opening; a damping plug is assembled in the main body pressure relief opening in interference fit; an O-shaped sealing ring is embedded in a gasket groove; the safe discharging mechanism is at a pressure-maintaining and sealing state and a super-pressure pressure source forms narrow inclined flow and direct flow through a damping plug; and the membrane is broken to discharge and reduce pressure when a gasket tapered surface enters a gas cylindrical hole channel. The safe discharging mechanism belongs to the field of fire fighting, solves the problem that the conventional safe discharging mechanism is impacted by a high-kinetic-energy medium to be erroneously burst and discharged when a valve is opened, and improves the assembling yield, the sealing performance and the corrosion-resisting performance; and the consistency of a servo work state and a bursting pressure at a starting and spraying process of the safe discharging mechanism is ensured and the safety of the work of the system is enhanced. The safe discharging mechanism is composed of a main body, the membrane, the discharging plug plug, the pressing ring, the gasket, the O-shaped sealing ring and the damping plug. The safe discharging mechanism has a wide application prospect in industries including foods, medicines, petrochemical engineering, automobiles, papermaking, spray paint and baking finish wires and mining metallurgy tools.

Description

technical field [0001] The invention relates to a new type used in the fire protection industry, which is cylindrical in shape and has a pre-compressed diaphragm structure. It is in a pressure-holding and sealed state at ordinary times. When the inlet pressure rises to a predetermined value, the diaphragm bursts and releases pressure, which belongs to fire-fighting. , Fire control field. Background technique [0002] The current national standard GB16670-2006 "cabinet type gas fire extinguishing device", GB25972-2010 "gas fire extinguishing system and components" safety release mechanism, when the storage medium is started to release, when it is impacted by the medium at high speed, accidental explosion and discharge often occur Phenomenon, the more the storage medium, the higher the storage pressure, the more common the phenomenon of accidental blasting and discharge when starting work; the current safety relief mechanism cannot meet the safety application in the fire extin...

Claims

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Application Information

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IPC IPC(8): F16K17/16
Inventor 朱奇
Owner 上海行辉金属科技有限公司
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