Shaft furnace for producing low-oxygen iron-base metallic powder

Details Shaft furnace for producing low-oxygen iron-base metallic powder Shaft furnace for producing low-oxygen iron-base metallic powder

1978-08-30

1980-09-23

Rutledge, L. Dewayne

Metallurgical apparatus

Having means for contacting a solid metalliferous material...

With heating means, e.g., flame contact

219 1047, 219 1049R, 219 1051, 266137, 266259, C22D 142, C22C 3302

Patent

active

042238749

ABSTRACT:
A shaft furnace for producing low-oxygen iron-base metallic powder for metallurgy is disclosed. The shaft furnace comprises a zone of storing and feeding a metallic raw powder, a preheating zone, an induction heating zone and a zone of cutting and cooling a product cake in a vertical array from top to bottom. The preheating zone and induction heating zone have a special structure for ensuring a smooth descent of the raw powder and the cake.

REFERENCES:
patent: 1691349 (1878-11-01), Harrington et al.
patent: 2980527 (1961-04-01), Strong
patent: 3429563 (1969-02-01), Anderson et al.
patent: 3441452 (1969-04-01), Westeren
patent: 3441452 (1969-04-01), Westeren
patent: 3589696 (1971-06-01), Westeren, et al.
patent: 3966454 (1976-06-01), Ito et al.

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