Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1980-11-05
1983-10-18
Lewis, Michael L.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
266 80, 266 84, 266 89, C22B 120
Patent
active
044103557
ABSTRACT:
Process for monitoring a pelletizing plant for fine-grained ores, in which the humidity content of the green pellets is adjusted by adding water with consideration of the humidity content of the fine ores and humidified ores, together with optional additives, are hardened on a travelling grate by a heat treatment, characterized in that the green pellets are charged onto the travelling grate and the permeability and optionally also the humidity of the pellet layer is measured, in that the measured values for the permeability and the measured values or the preselected value for the humdity of the green pellets are supplied to a process calculator for monitoring the process on the basis of parameters, such as the process gas temperature, the process gas pressure, the travelling speed of the travelling grate and the amount of charge supplied, preadjusted or defined at the begin of the process, and in that the process is monitored by comparing the value for the position of the sintering point on the travelling grate at the end of the sintering zone, as calculated on basis of these parameters, with a nominal value for this position of the sintering point.
REFERENCES:
patent: 3153587 (1964-10-01), Schuerger
patent: 3249422 (1966-05-01), Sironi et al.
Boll, D. F., et al., Agglomeration of Iron Ores; Am. Ekevier Pub. Co., Inc., N.Y., pp. 216-221, 80-82, (1973).
Feichtner Hanns E.
Feigl Franz
Haslmayr Johann
Hoislbauer Friedrich
Jaquemar Christian
Lewis Michael L.
Voest-Alpine Aktiengesellschaft
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