Controlling deposits in the calcination of fluxed iron ore pelle

Details Controlling deposits in the calcination of fluxed iron ore pelle Controlling deposits in the calcination of fluxed iron ore pelle

1992-04-30

1993-06-22

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Compositions

Reactive furnace lining

75763, 75768, C22B 102

Patent

active

052213200

ABSTRACT:
A stable aqueous suspension of a mixture of magnesium hydroxide and copper oxychloride, together with a suspending agent, is used to reduce deposits in kilns or furnaces used to make iron ore agglomerates, known as pellets, during a calcination process in which iron ore fines mixed with fluxing materials having a phosphate content of less than 1% by weight of the total flux and iron ore weight, are heated to from about 900.degree. to about 1400.degree. C. in order to create the hardened iron ore pellets, called flux pellets, one of the chief raw materials in steel making.

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patent: 4372782 (1983-02-01), Salter et al.
patent: 4503019 (1985-03-01), Sinha
patent: 4510807 (1985-04-01), Tokutake et al.
patent: 4561897 (1985-12-01), Zupanovich et al.

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