EAF FURNACES

Production of eaf furnaces

Sisemtek specializes in the design of EAF (Electric Arc Furnace) furnaces, used in metallurgy to produce steel from scrap and monocrystalline silicon from silicon-based minerals. These highly efficient and versatile furnaces are known for their efficiency and versatility in recycling iron and stainless steel (Inox).

The scrap is melted through an electric arc struck by three consumable graphite cylindrical electrodes, which enter the furnace crucible from the top.

TYPES OF EAF FURNACES

Alternating Current (AC) Electric Arc Furnace

Caratterizzato dalla presenza di tre elettrodi, disposti in linea o formanti un triangolo equilatero. L’arco scocca direttamente tra ciascun elettrodo e il rottame. Una volta raggiunto un certo livello di bagno liquido (metallo allo stato fuso), viene aumentata progressivamente la distanza tra elettrodo e metallo fuso, generando calore per effetto Joule.

Direct Current (DC) Electric Arc Furnace

The direct current (DC) electric arc furnace has a single centrally placed electrode. The arc is struck between the electrode (cathode) and three “anodes” placed at the bottom of the furnace, in a triangle. This way, the electric current is forced to pass through the scrap, melting it.

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