Keywords: working principle, industrial electric furnace, electric furnace, industrial furnace, electrical appliances, furnace chamber,

　　understanding and working principle of industrial electric furnace
　　electric furnace equipment is usually complete, including electric furnace body, power equipment (electric furnace transformer, rectifier, frequency converter, etc.), switch, auxiliary auxiliary electrical appliances (current resistor, compensation capacitor, etc.), vacuum equipment, detection and control instruments (electrical instruments, thermal instruments, etc.), automatic adjustment system, mechanical equipment for furnace (feeding and discharging machinery, furnace body tilting device, etc.).

　　The main components of industrial electric furnace are: industrial furnace masonry, industrial furnace exhaust system, industrial furnace preheater and industrial furnace combustion device.

　　there are many types of industrial electric furnaces used in the machinery industry. in the foundry workshop, there are cupola furnaces, induction furnaces, resistance furnaces, electric arc furnaces, vacuum furnaces, open hearth furnaces, crucible furnaces, etc. for smelting metals. There are sand drying furnaces for baking sand molds, ferroalloy drying furnaces and casting annealing furnaces, and after forging stress relief heat treatment furnace; In the metal heat treatment workshop, there are various annealing, normalizing, quenching and tempering heat treatment furnaces to improve the mechanical properties of the workpiece; In the welding workshop, there are pre-welding preheating furnaces and post-welding tempering furnaces for weldments; In the powder metallurgy workshop, there are heating furnaces for sintered metals.

　　Industrial electric furnaces are also widely used in other industries, such as metal smelting furnaces, ore sintering furnaces and coke ovens in the metallurgical industry; distillation furnaces and cracking furnaces in the petroleum industry; generators in the gas industry; cement kilns and glass melting and glass annealing furnaces in the silicate industry; baking furnaces in the food industry, etc. Domestic large electric furnace manufacturers such as Wuhan electric furnace factory.

　　industrial electric furnaces can be divided into two categories according to the thermal system: one is intermittent furnace, also known as periodic furnace, which is characterized by intermittent production of the furnace, and the furnace temperature changes during each 1 heating cycle, such as chamber furnace, trolley furnace, well furnace, etc. The second category is continuous furnace, which is characterized by continuous furnace production and temperature zones in the furnace chamber.

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