Enhanced electricity cogeneration in cement clinker production

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8997489
APP PUB NO 20110140459A1
SERIAL NO

12996309

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The disclosure relates to a method to produce electricity in a cement clinker production utilizing a kiln and/or a precalciner as combustion chambers to generate electricity, the method including:

    a. supplying fuel to the precalciner and/or the kiln in a quantity corresponding to at least 110% of a heat value requirement for clinker production operation of the precalciner and/or the rotary kiln per unit weight of clinker, respectively;b. bypassing a portion of hot flue gases from at least one of (i) the kiln and/or (ii) the precalciner;c. leading hot flue gases to a heat recovery steam generator producing steam;d. producing electricity with a power island including a steam turbine equipped with an electrical generator.

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Patent Owner(s)

  • CEMEX RESEARCH GROUP AG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fuentes, Samaniego Raul Monterrey, MX 1 2
Martinez, Farias Luis Ramon San Pedro Garza Garcia, MX 1 2
Noyola, De Garagorri Antonio Higinio Monterrey, MX 1 2
Trevino, Villareal Luis Port, CH 2 4

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