Process and apparatus to clean a molten metal or slag conveyor trough
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United States of America Patent
Stats
-
May 14, 1991
Grant Date -
N/A
app pub date -
Apr 4, 1990
filing date -
Aug 12, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process and apparatus to clean refractory-lined conveyor troughs for molten metals and slags by means of chains on a rotating drum. A motor is used to drive the drum, whose current consumption and/or speed are variable as a function of the load. Variation from a specified setpoint is used to cause a displacement of the rotating drum transverse to the conveyor trough, to achieve optimal cleaning of the trough wall, which is only effected with the desired distance between wall and drum and a load on the motor corresponding to this distance. The direction of rotation of the drum is reversible, so that when the two sides of the conveyor trough are cleaned, the material removed is thrown in the same direction, preferably towards a suction exhaust.
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Cited Art Landscape
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