Process for the direct reduction of sulphurous iron ores

Details Process for the direct reduction of sulphurous iron ores Process for the direct reduction of sulphurous iron ores

1985-07-10

1988-04-05

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

266156, C21B 1302

Patent

active

047356537

ABSTRACT:
An apparatus for the direct reduction of sulphurous iron ores with a shaft furnace, in which the ore is reduced in counterflow to the reducing gas is described, the waste gas being subdivided into two streams following the furnace. One stream heats and desulphurizes the ore located above the shaft furnace in an ore bunker and is then supplied to the gas converter for heating purposes. The other stream, together with hydrocarbons, is supplied to a catalytic gas converter for producing reducing gas. The ore bunker is positioned above the shaft furnace and the ore outlet of the ore bunker is connected via downcomers with the ore inlet of the shaft furnace.

REFERENCES:
patent: 4032120 (1977-06-01), Beggs
patent: 4087275 (1978-05-01), Beggs

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