Plant for producing calcium carbide

Details Plant for producing calcium carbide Plant for producing calcium carbide

1983-12-01

1986-08-12

Pellinen, A. D.

Industrial electric heating furnaces

Plasma furnace device

Direct furnace

414187, H05H 142

Patent

active

046060383

ABSTRACT:
A burden of either or both CaO or CaCO.sub.3 and coal is melted and reduced by a plasma torch established between a plasma burner penetrating the upper structure of a furnace and an electrode in the bottom of the furnace to produce CaC.sub.2. The burden is supplied to the furnace from above and the CO produced by the reaction flows upwardly through the unreacted burden to pre-heat and pre-reduce it.

REFERENCES:
patent: 1880012 (1932-09-01), Brassert
patent: 3404078 (1968-10-01), Goldberger
patent: 3979500 (1976-09-01), Sheppard et al.
patent: 4022872 (1977-05-01), Carson et al.
patent: 4154972 (1979-05-01), Tylko
patent: 4309170 (1982-01-01), Ward
patent: 4390773 (1983-06-01), Esser et al.
patent: 4396421 (1983-08-01), Stift et al.
patent: 4423512 (1983-12-01), Lugscheider et al.
patent: 4425659 (1984-01-01), Stenkvist
patent: 4493088 (1985-01-01), Lugscheider et al.

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