Installation and process for the milling-drying and storage of brown coal
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United States of America Patent
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Aug 27, 2013
Grant Date -
Nov 22, 2012
app pub date -
Jan 12, 2012
filing date -
May 20, 2011
priority date (Note) -
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Abstract
A process and installation for the milling-drying and storage of brown coal. Brown coal is milled to form brown coal dust in a low-oxygen atmosphere at temperatures which are higher compared to the prior art. Then, the brown coal dust is washed with low-oxygen, dry second conveying gas and stored in a silo in a low-oxygen, dry atmosphere at a temperature of above 60° C. The installation is designed to carry out this process and comprises, for the process steps mentioned above, a mill, a dust washing installation and a silo.
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