Method for melting ferrous scrap metal and chromite in a submerg

Details Method for melting ferrous scrap metal and chromite in a submerg Method for melting ferrous scrap metal and chromite in a submerg

1995-04-18

1997-08-05

Hoang, Tu B.

Industrial electric heating furnaces

Arc furnace device

Charging or discharging

373 80, 75 1042, 75 1063, F27D 304

Patent

active

056549768

ABSTRACT:
The process feeds a mixture of scrap metal, chromite, flux materials, carbonaceous material and wood chips to a submerged arc furnace to make a base iron suitable for iron and steel purposes. The mixture contains about 1-60% chromite, about 1 to 20% flux materials, about 5 to 35% carbonaceous material, about 0-10% wood chips, all based on the weight of scrap in the mixture. By maintaining the charge in the furnace, good energy efficiencies are obtained.

REFERENCES:
patent: 3385494 (1968-05-01), Themelis et al.
patent: 4252559 (1981-02-01), Allain
patent: 4971623 (1990-11-01), Wilford

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