Calcination apparatus for use in fluidized-bed burning installation for powdery raw material
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United States of America Patent
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Jul 26, 1988
Issued Date -
N/A
app pub date -
Jan 22, 1988
filing date -
Nov 13, 1985
priority date (Note) -
Expired
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Abstract
Upper and lower vortex chambers are disposed immediately below a calcining furnace for calcining powdery raw materials. The scattering clinker particles from a fluidized-bed burning furnace are trapped in the lower vortex chamber and are returned to the fluidized-bed burning furnace so that the scattering clinker particles are positively prevented from flowing into the upper vortex chamber and the calcining furnace.
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