Method for controlling the temperature in a kiln
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United States of America Patent
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Jan 13, 1998
Grant Date -
N/A
app pub date -
Sep 20, 1996
filing date -
Apr 21, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for controlling the temperature in a kiln in which cement clinker is manufactured. The temperature is controlled by controlling the fuel rate to the kiln. The fuel rate is adjusted according to a calculation that is made of the sulphur evaporation in the kiln, thereby obtaining a measure of the instantaneous temperature in the burning zone. The evaporation factor is calculated on the basis of measurements of the sulphur content in the cyclone material which passes to the kiln or a measurement of the sulphur content in the exit gases out of the kiln.
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