Fluidized bed arrangement for the production of molten pig iron

Details Fluidized bed arrangement for the production of molten pig iron Fluidized bed arrangement for the production of molten pig iron

1987-09-21

1989-02-21

Andrews, Melvyn J.

Metallurgical apparatus

With control means responsive to sensed condition

With temperature sensor

266157, 266160, 266172, F27B 1520

Patent

active

048058807

ABSTRACT:
A process and an arrangement for the production of molten pig iron or steel pre-products from particulate ferrous material as well as for the production of reducing gas in a meltdown gasifier. A fluidized bed of coke particles is formed by the addition of coal and the injection of oxygen-containing gas. In order to ensure a satisfactory mode of operation of the meltdown gasifier even if coal of inferior quality with a high moisture content and a high portion of volatile matter is used, additional heat is supplied to the meltdown gasifier above the feed lines for the fluidized-bed-forming oxygen-containing gas by burning and/or degassing coal particles separated from the reducing gas.

REFERENCES:
patent: 4248626 (1981-02-01), Scarlett et al.
patent: 4316739 (1982-02-01), Beggs et al.
patent: 4396421 (1983-08-01), Stift et al.

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