Basic process of producing basic fluxed pellets for iron-making

Details Basic process of producing basic fluxed pellets for iron-making Basic process of producing basic fluxed pellets for iron-making

1980-12-03

1982-04-27

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

75 3, 75 53, C22B 910

Patent

active

043268870

ABSTRACT:
A new fluxed pellet for use in iron-making is obtained by mixing and indurating about 1 to about 20%, by weight of the pellet, of ground melt shop slag fines with similarly ground iron ore concentrate, so as to achieve particular ranges of silica content, CaO/SiO.sub.2 ratio, and MgO content. The melt shop slag fines have been considered a waste material, but contain significant slag and metal values. The slag is already in calcined form for an energy saving as compared to the use of limestone and dolomite, and is already somewhat divided for a saving in grinding energy. The resultant basic pellets have better furnace properties than the acid pellet produced without slag addition.

REFERENCES:
patent: 3754889 (1973-08-01), Dominguez

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