Process for indurating dried pellets in a rotary kiln

Details Process for indurating dried pellets in a rotary kiln Process for indurating dried pellets in a rotary kiln

1977-02-22

1979-03-20

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

266 99, C22B 114

Patent

active

041452100

ABSTRACT:
Process for indurating dried pellets in a rotary kiln, characterized by charging the dried pellets and coke in the range of from about 2% by weight to about 20% by weight on the weight of the pellets into the rotary kiln, the coke having a size of from about 5 millimeters to about 30 millimeters, drum index (DI.sub.5.sup.80) of more than 70, reactivity index (AG) of less than 50 and tumbler index (TI.sub.50.sup.400) of more than 50 measured on the basis of Japanese Industrial Standard K2151, and heating the pellets in the kiln is disclosed.

REFERENCES:
patent: 1786999 (1930-12-01), Hornsey
patent: 3918958 (1975-11-01), Heitmann

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