Method and system for converting waste heat from cement plant into a usable form of energy
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United States of America Patent
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May 15, 2012
Grant Date -
May 20, 2010
app pub date -
Nov 20, 2008
filing date -
Nov 20, 2008
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Abstract
Methods and systems for converting waste heat from cement plant into a usable form of energy are disclosed. The methods and systems make use of two heat source streams from the cement plant, a hot air stream and a flue gas stream, to fully vaporize and superheat a working fluid stream, which is then used to convert a portion of its heat to a usable form of energy. The methods and systems utilize sequential heat exchanges stages to heat the working fluid stream, first with the hot air stream or from a first heat transfer fluid stream heated by the hot air stream and second with the flue gas stream from a second heat transfer fluid stream heated by the hot air stream.
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