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LF roofing is round-shaped and has a tube-type water-cooled structure. It is divided into a large furnace roof, a small ramming roof, an offgas exhaust hood, and is provided with an operation door and an alloy addition orifice.

CHARACTERISTICS

LF ROOFING CHARACTERISTICS

Water-cooled furnace exhaust roof have the following characteristics:

1. Minimize contact between air and molten steel in the atmospheric environment

2. Hanging slag or cold steel on the edge of the ladle does not affect the performance of the furnace.

DESCRIPTIONS

LADLE FURNACE ROOFING DESCRIPTIONS

A furnace exhaust on roof for a metallurgical ladle/furnace (L.A.F) comprising a self-supporting structure of metallic pipework defining at least one flow circuit for cooling water, with a lower end having a circular peripheral flange (A), with a cylindrical body member of smaller diameter than the flange (A) located above the flange (A) (in use away from the ladle/furnace), and is provided with an end wall having a plurality of apertures each to receive, in a gas-tight manner, a carbon electrode, and an aperture for fume extraction provided in the arcuate wall of the cylindrical body member.

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