Fluidized-bed gasification method and facility therefor
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United States of America Patent
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Aug 30, 2016
Grant Date -
Dec 18, 2014
app pub date -
Aug 28, 2014
filing date -
Jun 20, 2008
priority date (Note) -
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Abstract
A fluidized-bed gasification method using fluidized-bed combustion furnace; a separator for separation into bed material and an exhaust gas; a fluidized-bed gasification furnace into which the bed material is introduced through a downcomer and into which raw material is introduced; a circulation passage for circulating char and the bed material to the combustion furnace; a dispersion section; extending along a width of a bed-material-introduction-side wall of the gasification furnace to receive the bed material from the downcomer; a fluidizing-gas introduction system for blowing fluidizing gas into the dispersion section to fluidize the bed material in the dispersion section; and a supply section for supplying the bed material in the dispersion section to the fluidized-bed gasification furnace substantially evenly throughout the width on the bed-material-introduction side, is provided.
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