Explosion-proof pressure relief method used for microwave metallurgical furnace

Abstract

The invention discloses an explosion-proof pressure relief method used for a microwave metallurgical furnace. By arranging an explosion-proof protection layer made of stainless steel on the peripheryof the microwave metallurgy furnace, the microwave metallurgy furnace can be effectively protected, and the situation that equipment is damaged due to excessively internal pressure is prevented; by utilizing a pressure relief control valve, automatic pressure relief can be realized when the internal pressure of the microwave metallurgy furnace is large; when the internal pressure is large, a piston is pushed upwards, when the position of the piston exceeds the height of a pressure relief channel, a spring contracts, and the piston communicates with the pressure relief channel for pressure relief; when the pressure becomes small, a limiting plate is pushed to move downwards under elastic force action of the spring, the piston is driven to move downwards through a connecting rod so as to seal a hydraulic channel, automatic sealing of a hydraulic control valve is achieved, and using is more convenient; and when the pressure in the microwave metallurgical furnace is large, a pressure sensitive resistor in a pressure sensor communicates with an alarm circuit to remind workers, at this time, an air pump can be opened, and a hydraulic pipe is utilized for quick pressure relief, so that equipment is effectively protected.

Description

technical field [0001] The invention belongs to the field of metallurgical equipment, and relates to a pressure relief method for microwave metallurgical furnaces, and relates to an explosion-proof pressure relief method for microwave metallurgical furnaces. Background technique [0002] Microwave heating is a recently developed and increasingly mature heating technology, with non-contact direct heating, fast heating, uniform heating, energy saving and high efficiency, advanced technology can realize automatic control, safe and harmless, improve working conditions, and can promote the penetration between particles, etc. Advantages, in addition to high-frequency electromagnetic waves, it has four basic characteristics: volatility, high frequency, thermal characteristics and non-thermal characteristics. Compared with traditional heating methods, microwave heating is very different. Traditional heating methods It relies on the heat source, through radiation, conduction, convect...

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Problems solved by technology

[0002] Microwave heating is a recently developed and increasingly mature heating technology, with non-contact direct heating, fast heating, uniform heating, energy saving and high efficiency, advanced technology can realize automatic control, safe and harmless, improve working conditions, and can promote the penetration between particles, etc. Advantages, in addition to high-frequency electromagnetic waves, it has four basic characteristics: volatility, high frequency, thermal characteristics and non-thermal characteristics. Compared with traditional heating methods, microwave heating is very different. Traditional heating methods It relies on the heat source, through radiation, conduction, convection, etc., firstly heats the surface of the object, and then through heat conduction, the internal temperature gradually increases from the surface to the inside. With the continuous development of metallurgical technology, microwave heating metallurgical technology has also been obtained. However, when microwave ovens are used for metallurgy, the internal pressure is relatively high, and the existing microwave metallurgical furnaces are prone to explosion accidents due to lack of timely pressure relief.

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