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The Working Principle of Bogie Hearth Furnace

Feb 19, 2025

The Working Principle of Bogie Hearth Furnace

The trolley type electric furnace which also called bogie hearth furnace is equipped with a set of resistance wires or plates inside, which are made of conductive materials and connected to the power supply system. 

The thermal energy generated by the resistance wire or resistance sheet will be conducted to the trolley and objects. The conduction of heat energy occurs through radiation, convection, and conduction, causing objects to gradually heat up. Trolley electric furnaces are typically equipped with temperature control systems to ensure accurate control and stability during the heating process. The temperature control system can monitor and adjust the temperature inside the resistance furnace, automatically adjust the current of the wire or resistor according to the set value, and accurately control the heating process. In order to achieve uniform heating, trolley type electric furnaces usually use multiple resistance wires or plates, which are arranged according to the requirements of the shape and size of the object. This ensures that the heating can evenly cover the entire surface of the item, avoiding processing problems caused by uneven temperature.

The Working Principle of Bogie Hearth Furnace

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