Shaft furnace

Metallurgical apparatus – Means for treating ores or for extracting metals – By means applying heat to work – e.g. – furnace

Patent

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Details

266159, 266176, C21B 106

Patent

active

041968930

ABSTRACT:
A shaft reduction furnace is provided with a pressure equalizing chamber for supplying raw materials such as ores in the furnace. The interior of the furnace is separated by a dividing plate into an upper portion and a lower portion. A pipe path through the dividing plate communicates the upper portion with lower portion. The upper portion and the pipe path form an inside ore hopper for supplying ore continuously into the lower portion of the furnace, thus omitting the conventional ore hopper of pressure-proof-structure provided separately outside of the furnace.

REFERENCES:
patent: 1403283 (1922-01-01), Batchelor

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