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Induction Furnace Types

Induction Furnace Types


Induction Furnace Types


What types of intermediate-frequency electric furnaces are there?

How many types of induction furnaces are there for steelmaking?


There are five types of induction furnaces for steelmaking as follows.

1) Power frequency induction furnace

An industrial frequency induction furnace is a type of furnace that uses an industrial frequency power supply (special transformer) for smelting. It is mainly used for smelting various cast iron and cast steel, mainly for the production of castings, capacity of 1.0~100t.

2) Medium frequency induction furnace

Intermediate frequency induction furnace is commonly known as non-vacuum induction furnace. It uses thyristor inverter or frequency multiplier as power supply to increase the frequency from 50HZ (60HZ) to 150~4000HZ. It is an important branch of induction furnace, mainly used for smelting special steel, the furnace capacity is 0.10~40t.

3) Vacuum induction furnace

Vacuum induction furnace is a type of furnace for smelting and pouring in vacuum. The power supply is similar to that of the medium frequency induction furnace, mainly used for smelting special steel and alloys, and the furnace capacity is 0.05~60t.

4) Plasma induction furnace

Plasma induction furnace is a type of furnace that is smelted in protective gas and heated by the plasma power supply and intermediate frequency induction furnace power supply. It is mainly used to produce ultra-low carbon, sulfur, and phosphorus special steel and alloy, and the furnace capacity is 0.5~2t.

5) Boost induction furnace

The pressurized induction furnace uses intermediate frequency induction heating in the crucible under the nitrogen pressure of 0.2~2.0MPa to melt and cast high nitrogen steel containing N≥0.60%. The furnace capacity is 0.05~10t.


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