Slag fluidizing agent and method of using same for iron and stee

Details Slag fluidizing agent and method of using same for iron and stee Slag fluidizing agent and method of using same for iron and stee

1975-10-06

1976-12-21

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 53, 75 94, C21B 504

Patent

active

039986241

ABSTRACT:
A slag fluidizing and conditioning agent for use in combination with lime and/or limestone as the basic fluxing agent in iron and steel-making processes comprising a particulated mixture composed of controlled proportions of calcium fluoride and a metal aluminum silicate, selected from the group consisting of potassium aluminum silicate, sodium aluminum silicate, calcium aluminum silicate, barium aluminum silicate, as well as mixtures thereof. The slag conditioning agent may further advantageously include a controlled proportion of particulated iron or iron oxide and the mixture preferably is agglomerated in the form of a pellet, briquette or brick employing a fugitive type binder. In its method aspects, the invention is concerned with the use of the slag fluidizing and conditioning agent in combination with lime and/or limestone as the basic flux in iron and steel-making processes, whereby the fluidity of the slag is controlled within a desired level and the chemical fluxing characteristics of the lime constituent are enhanced.

REFERENCES:
patent: 251570 (1881-12-01), Glass
patent: 1890485 (1932-12-01), Amsler
patent: 2694023 (1954-11-01), Hopkins
patent: 3320052 (1967-05-01), Bowden
patent: 3827880 (1974-08-01), Greeson
patent: 3881917 (1975-05-01), Murton

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