Medium frequency electric furnace is a common equipment in the field of heat treatment. It is mainly composed of four parts. Here is an introduction to the function of each part:
1. Power supply and electrical part: the power equipment includes high-voltage or low-voltage switch cabinet, intermediate frequency power supply (intermediate frequency generator set or thyristor converter), power conversion switch, compensation capacitor and intermediate frequency control cabinet (power distribution console in front of the furnace), etc., and the electrical part of large intermediate frequency furnace also includes crucible leakage alarm system.
2. Furnace body: medium and small medium frequency furnaces are equipped with two furnace bodies. One for production and the other for standby. Furnace body includes furnace cover, inductor, crucible, furnace body support, etc.
3. Transmission device: the transmission device includes mechanical or hydraulic devices such as the movement of furnace cover and the tilting and resetting of furnace body.
4. Water cooling system: the water-cooling parts include: intermediate frequency power supply (generator set and SCR frequency converter, in which the cooling water for SCR frequency converter needs to be softened), inductor, capacitor, busbar, flexible cable, etc. In order to save water, circulating cooling is usually used. Cooling water circulation system includes water pump, cooling tower, water tank, etc.
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