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Industrial furnaces are the main production equipment in the machinery industry. The repair of industrial furnaces directly affects the quality, high yield, longevity, low consumption and safe production of the furnace. 1. Selection of furnace type 2. Selection of fuel adjustment Fuel structure In the forging workshop, cupola furnace, induction furnace, electric resistance furnace, electric arc furnace, vacuum furnace, open hearth furnace, electric furnace, etc. with molten metal; sand type drying with baking sand type Furnace, ferroalloy oven and casting annealing furnace; in the forging workshop, there are various heating furnaces for pre-forging heating of steel ingots or billets, and heat treatment furnaces for stress relief after forging; in the metal heat treatment workshop, there is improved mechanical function of the workpiece. Various annealing, normalizing, quenching and tempering heat treatment furnaces; in the welding workshop, there are pre-weld preheating furnaces for welding parts and post-welding tempering furnaces; in the powder metallurgy workshop there are furnaces for sintering metals. (1) The main component
Industrial furnaces are divided into two types according to heating methods: one is a flame furnace (or a fuel furnace), which heats the workpiece with the heat of combustion of solid, liquid or gaseous fuel in the furnace; the second type is an electric furnace in the furnace. Convert electrical energy to heat for heating.
Industrial furnaces are divided into two categories according to the thermal system: one is the intermittent furnace, also known as the periodic furnace, which is characterized in that the furnace is not divided into temperature sections, the furnace is produced in one or two shifts, and the furnace is heated in each heating cycle. The temperature is variable, such as various chamber furnaces, trolley furnaces, well furnaces, hood furnaces, etc.; the second is continuous furnace, which is characterized by dividing the temperature section in the furnace, generally by preheating and heating (high temperature ), soaking (insulation) consists of three sections, the furnace is three-row continuous production, the temperature in each section of the industrial furnace heating process can be considered as unchanged, such as two or three-stage continuous heating furnace Pusher type heating furnace and heat treatment furnace, ring furnace, step furnace, vibrating bottom furnace, cupola furnace and lime kiln.
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