Types and characteristics of industrial furnaces

 1. Direct heating furnace: a furnace that directly contacts the high-temperature gas or flame produced by combustion with the heating object. Direct heating furnaces are characterized by high heat transfer efficiency and fast heating speed. Common direct heating furnaces include flame furnaces and high-frequency induction furnaces.Effect of filler metal on vacuum brazing of cemented carbide and steel Flame furnace: directly heats objects through the heat of the combustion flame, often used in metal heating, glass melting and other processes. -High-frequency induction furnace: It uses high-frequency electromagnetic fields to generate eddy currents to generate heat inside objects. It is often used for metal heating and smelting.Vacuum sintered powder alloy high speed steel ⒉Indirect heating furnace: heat is transferred to the object through a medium or heat transfer device, and the object is heated through indirect contact with the high-temperature gas or flame generated by combustion through the heat transfer device. The indirect heating furnace is characterized by uniform and stable temperature, and is suitable for processes with higher temperature requirements. Common indirect heating furnaces include hot blast furnaces and resistance heating furnaces.Heat treatment process for wide and thick plates -Hot blast stove: generates high-temperature flue gas through combustion, and transfers heat to objects in the industrial furnace through a heat exchanger. It is often used in processes such as drying and baking.Process Of Preventing Deformation And Cracking Of Mold By Vacuum Heat Treatment

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