Flame-suppression explosion relief valve

Abstract

The invention discloses a flame-suppression explosion relief valve, which comprises a valve body, a valve cover and a valve seat, wherein the valve body is provided with a cavity, the valve cover is arranged at the top of the valve body, and the valve seat is arranged at the lower part of the valve body cavity; the valve body cavity is further provided with a powder storage bag, a rupture disk, a pressure rod, a spring seat and a spring; the powder storage bag is arranged at the top of the valve body cavity, is folded in a zigzag shape, and stores a powder explosion suppressor; the rupture disk is disposed between the powder storage bag and the valve seat, the pressure rod is vertically disposed at the top of the valve seat and located below the rupture disk, and the spring seat is disposed above the valve seat and connected with the pressure rod; the pressure rod is sheathed in the spring, which is located between the spring seat and the valve seat, and the valve body between the spring seat and the valve seat is provided with vent holes. The powder storage bag containing the explosion suppressor is arranged in the valve body, so that the flame-suppression explosion relief valve has the functions of automatic exhausting, explosion suppression and explosion flame elimination, has good explosion-proof safety performance, and can stably operate for a long time.

Description

technical field [0001] The invention relates to the field of valves, in particular to a flame-extinguishing and explosion-proof safety valve. Background technique [0002] The safety valve is a protective device used on pressure vessels to prevent explosion damage of pressure vessels due to internal overpressure. When the internal pressure of the container rises to the specified value, the safety valve will open to release the pressure and release the internal pressure of the container. When the internal pressure of the container drops below the specified value, the safety valve is closed due to external force. Safety valves are mainly used on boilers, pressure vessels and pipelines to control the internal pressure within the specified value, which plays a vital role in protecting personal safety and normal operation of equipment. [0003] With the development of the chemical industry, safety valves are more and more widely used in the chemical industry. Once the chemical...

AI Technical Summary

Problems solved by technology

The function of the existing safety valve is too single, most of them only have the function of releasing pressure, and a few have the function of explosion protection, but they cannot effectively suppress the explosion and eliminate the flame generated by the explosion, and the existence of the flame will cause secondary explosion and secondary damage

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