Steel making vessel with dust recycling method and means

Details Steel making vessel with dust recycling method and means Steel making vessel with dust recycling method and means

1972-03-27

1976-04-06

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 60, 266 15, C21B 304, C21C 538

Patent

active

039486443

ABSTRACT:
The flue gases from a steel refining furnace or vessel are delivered to a gas cleaning system in which the dust is removed and collected in slurry form. The slurry is dried and reduced to dust again after which it is delivered to a storage vessel. The dust is transported pneumatically from the storage vessel to tuyeres in the steel refining vessel and thereby injected back into the molten metal within the vessel. The dust is rich in iron oxide and contributes to the steel yield from the refining vessel.

REFERENCES:
patent: 1713435 (1929-05-01), Heskamp
patent: 1780833 (1930-11-01), McGurty
patent: 2760856 (1956-08-01), Carney
patent: 2983598 (1961-05-01), Wheatley
patent: 3194651 (1965-07-01), Namy
patent: 3240481 (1966-03-01), Smith
patent: 3311465 (1967-03-01), Ban
patent: 3330645 (1967-07-01), Moustier
patent: 3372528 (1968-03-01), Hoff
patent: 3411896 (1968-11-01), Urban
patent: 3494107 (1970-02-01), Sackett
patent: 3497194 (1970-02-01), Hoff

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