Charging of zinc-smelting blast furnaces

Details Charging of zinc-smelting blast furnaces Charging of zinc-smelting blast furnaces

1981-02-26

1982-07-20

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 88, 266 44, C22B 1908

Patent

active

043404235

ABSTRACT:
A method of charging a zinc-smelting blast furnace with alternate loads of coke and zinc oxide material from a hopper by means of a central bell/annular bell charging device, in which the annular bell is lowered by a predetermined fixed distance, wherein the time ratio of the time taken to discharge the hopper contents to the time taken for the annular bell to be lowered the predetermined fixed distance is less than unity, preferably between 0.67 and a value less than 1.

REFERENCES:
patent: 4212667 (1980-07-01), Gammon et al.

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