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METHOD AND SYSTEM FOR CONVERTING WASTE HEAT FROM CEMENT PLANT INTO A USABLE FORM OF ENERGY

  • US 20100122533A1
  • Filed: 11/20/2008
  • Published: 05/20/2010
  • Est. Priority Date: 11/20/2008
  • Status: Active Grant
First Claim
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1. A power extraction system comprising:

  • a cement plant producing a hot air stream and a flue gas stream;

    a heat exchange apparatus including;

    a first heat exchange stage adapted to heat a fully condensed, multi-component working fluid stream in counterflow with a first heat source stream to form a partially vaporized, multi-component working fluid stream and a cooled first heat source stream; and

    a second heat exchange stage adapted to heat the partially vaporized, multi-component working fluid stream in counterflow with a second heat source stream to form a fully vaporized and superheated, working fluid stream and a cooled second heat source stream;

    a power plant including;

    an energy extraction unit adapted to convert a portion of thermal energy in the fully vaporized and superheated, working fluid stream into a usable form of energy and to form a spent, multi-component working fluid stream; and

    a condensation unit adapted to condense the spent, multi-component working fluid stream thermal to form the fully condensed, multi-component working fluid stream.

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