RECOVERY OF INTERMITTENT LOST HEAT
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United States of America Patent
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Issued Date -
Jan 19, 2017
app pub date -
Mar 9, 2015
filing date -
Mar 10, 2014
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Abstract
A cement clinker manufacturing method implemented in a continuous production facility having at least one fuel combustion area for firing an inorganic raw material into hot clinker, then the hot clinker is cooled in: a first cooling step in a first cooler; and a second consecutive cooling step in a second cooler. The first cooling step is continually carried out by blowing an oxygen gas on the hot clinker to obtain partially cooled clinker, and all the heated oxygen gas, created by the first cooler, is sent to the combustion area for use as combustion gas by adjusting the amount of oxygen gas, blown in the first cooler, such as to cover the combustion gas needs of the facility without any excess; and the partially cooled clinker is stored in a storage chamber, and the second cooling step is intermittently carried out on the partially cooled clinker.
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