Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1975-12-01
1978-02-28
Satterfield, Walter R.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 63, 75 77, 75 78, 75 89, C21B 304, C22B 1300
Patent
active
040765210
ABSTRACT:
A metallurgical method and apparatus; air is continuously blown into a mixture of agglomerates of lead concentrates and carbonaceous fuel in a shaft furnace. The resulting slag is delivered from the shaft furnace into a settling tank to which the slag continuously flows while the slag is continuously delivered from the settling tank into a fuming furnace, so that the slag flows in cascade from the shaft furnace to the settling tank and from the settling tank to the fuming furnace, thereby providing a continuous flow of the treated slag from the shaft furnace through the settling tank into the fuming furnace; the slag, in addition, is continuously withdrawn from the shaft furnace.
REFERENCES:
patent: 2890951 (1959-06-01), Roy
patent: 3300301 (1967-01-01), Malmstrom
patent: 3663207 (1972-05-01), Themelis et al.
Abrashev Georgi Ivanov
Georgiev Georgi Taney
Haralampiev Georgi Alexandrov
Janev Janco Hristov
Jekov Velyu Dimitrov
Kombinat Za Zventi Metali "Dimiter Blagoev"
Satterfield Walter R.
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