Coal reforming system
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United States of America Patent
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Sep 2, 2014
Grant Date -
Sep 27, 2012
app pub date -
Feb 27, 2012
filing date -
Mar 22, 2011
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Abstract
A coal reforming system includes a drying furnace for drying low-grade coal, a carbonizing furnace for carbonizing the dried low-grade coal, hot air generating furnaces for supplying hot air to the drying furnace or the carbonizing furnace, and a carbonizing gas circulation line for supplying a carbonizing gas, which is generated in the carbonizing furnace, as a fuel for the hot air generating furnaces while the temperature thereof is maintained.
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