Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1976-07-29
1977-12-27
Rutledge, L. Dewayne
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
266 88, C22B 120
Patent
active
040652955
ABSTRACT:
A process for controlling the speed of strand sintering machines through utilization of the temperature of collected waste gas as measured in the collector pipe as the controlled variable provides improved response by utilizing as an additional controlled variable the temperature of the waste gases at the windboxes. Either the average temperature of those waste gases that leave the windboxes at a temperature above approximately 100.degree. C. or the location of the burn-through point as determined from the temperature of the waste gases at the windboxes can be used as the additional variable. In the latter case, the temperature of the collected waste gases can be used to automatically control the desired variable in a secondary cascade-type control loop in which the location of the burn-through point is the actual value and the travel speed is the regulated quantity.
REFERENCES:
patent: 3211441 (1965-10-01), Miyakawa et al.
patent: 3399053 (1968-08-01), Shutz et al.
Cappel Fred
Fleming Georges
Hastik Walter
Hofmann Pierre
Dravo Corporation
Lewis Michael L.
Rutledge L. Dewayne
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