Keywords: electric furnace, industrial furnace, combustion furnace, resistance furnace, vacuum furnace, electron beam furnace, heat treatment, periodic furnace, continuous furnace,

Main types of resistance furnace
　　The main types of electric furnace are 1. The concept of industrial furnace: industrial furnace industrial furnace: divided into electric furnace and combustion furnace (narrow industrial furnace refers to combustion furnace) electric furnace of the main products of seven categories: resistance furnace, induction furnace, vacuum furnace, electron beam furnace, heat treatment (or smelting) unit, heat treatment auxiliary equipment, combustion furnace.

　　Resistance furnace: three major components: heater, furnace lining and heat-resistant components are divided into two types: periodic furnace and continuous furnace. the furnace charge is basically fixed when it is added and taken out at the same time (except for special cases: roller furnace, roller hearth furnace) Classification of periodic resistance furnaces with uniform temperature in the working area Box furnace trolley furnace (divided into self-propelled and traction type) is used for annealing. After heating, the workpiece is cooled with the furnace. The well furnace bell furnace (mainly used for annealing, and the heating cover can be lifted) Bottom-lifting bell furnace (fixed cover, lifting base, suitable for large furnaces) rotary furnace sealed box furnace (also known as multi-purpose furnace, heat treatment processes such as carburizing, smooth quenching, carbon-nitrogen co-penetration can be carried out. Radiant tube is used for heating. The radiant tube is installed in a sealed heat-resistant steel tube with a resistance wire fixed by a refractory ceramic plate. This structure makes the atmosphere in the furnace will not affect the heating element.) Continuous resistance furnace push furnace conveyor belt furnace mesh belt furnace (suitable for annealing, sintering, brazing and solid solution treatment of thin small parts. The structure is similar to that of conveyor belt furnace) continuous rotary drum hearth furnace (the material tray moves on the roller) rotary hearth furnace.

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