Method and apparatus for discharging material from a shaft furna

Details Method and apparatus for discharging material from a shaft furna Method and apparatus for discharging material from a shaft furna

1979-01-08

1981-02-24

Lewis, Michael L.

Metallurgical apparatus

Process

75 34, 137240, 221 1, 222148, 222426, 222556, 222561, 251326, 266195, C21B 1302

Patent

active

042522994

ABSTRACT:
A method and apparatus for discharging freshly reduced material from a shaft furnace and controlling release of spent reducing gases so that they are not a hazard. The apparatus includes a pair of surge bins and means for directing material selectively to either bin. Gas-seal valves having purge means are located above the respective bins. Gas-seal flapper valves are located below and are movable to positions wholly out of the path of material discharging from the bins.

REFERENCES:
patent: 1119473 (1914-12-01), Thacher
patent: 2862808 (1958-12-01), DeJahn
patent: 3710808 (1973-01-01), Celada et al.
patent: 3799367 (1974-03-01), Grewer et al.
patent: 3955693 (1976-05-01), Legille et al.
patent: 4070161 (1978-01-01), Harter

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