Fluidized-bed kiln with preheating means

Details Fluidized-bed kiln with preheating means Fluidized-bed kiln with preheating means

1977-11-21

1979-10-02

Yuen, Henry C.

Heating

With heating gas conveying, agitating, scattering or...

432 78, 432106, F27B 1500

Patent

active

041697014

ABSTRACT:
A fluidized-bed kiln equipped with preheating means comprises suspension-type material preheating means having one or more cyclones, a fluidized-bed calciner for receiving the preheated material from the cyclone or the lowermost of the cyclones and forming a fluidized bed of the material within the calciner, and a collecting cyclone for collecting the hot gases carrying the calcined material, separating them into solids and gases, and conducting the calcined material into cooling means and the hot gases into the cyclone or the lowermost of the cyclones. The cooling means is, for example, a fluidized-bed cooler.

REFERENCES:
patent: 2763478 (1956-09-01), Parry
patent: 3804581 (1974-04-01), Schmalfeld et al.
patent: 3891382 (1975-06-01), Lawall et al.
patent: 3891383 (1975-06-01), Kobayashi
patent: 3929417 (1975-12-01), Rosa et al.
patent: 3998929 (1976-12-01), Leyshon
patent: 4017585 (1977-04-01), Angevine et al.

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