Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1978-09-11
1980-02-19
Andrews, M. J.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 25, 75 44R, C21B 120
Patent
active
041893140
ABSTRACT:
A method of utilizing waste dust and waste sludge from blast furnaces and steel works for subsequent steel production comprising forming the waste dust and waste sludge into pellets containing basic gangue and higher sulphur contents and having a metallization degree of over 80% in which up to 10% by weight of the pellets are intimately mixed with liquid pig iron relative to the weight of the pig iron to form a pig iron melt, the pellets being placed into a pig iron charging ladle prior to and/or during the reladling of the liquid pig iron from a torpedo ladle into a charging ladle, and the pig iron is deslagged prior to the pouring thereof into a refining vessel.
REFERENCES:
patent: 4004918 (1977-01-01), Fukuoka et al.
Fiege Ludwig
Hohle Hans-Werner
Janssen Wilhelm J. P.
Ulrich Klaus-H.
Andrews M. J.
Fried. Krupp Huttenwerke AG
Nissen J. Harold
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