Heating – Tumbler-type rotary - drum furnace – Having combustion products generated in or fed to drum
Patent
1987-01-07
1988-01-19
Yuen, Henry C.
Heating
Tumbler-type rotary - drum furnace
Having combustion products generated in or fed to drum
432 58, 432 14, F27B 702
Patent
active
047202629
ABSTRACT:
Apparatus for the heat treatment of fine material comprises a multi-stage cyclone preheater, a rotary kiln and a calciner supplied with tertiary air from a cooler for precalcination of the preheated fine material. The tertiary air pipe is narrowed at the point where it joins into the calciner. In this way an intensification of the mixing together of material, fuel and gas is achieved as well as an improved combustion, particularly fuels which are slow to react.
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Durr Manfred
Krutzner Karl
Rother Wolfgang
Thiemeyer Heinz-Werner
Tiggesbaumker Peter
Krupp Polysius AG
Yuen Henry C.
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