Method and apparatus for the heat treatment of fine-grained mate

Details Method and apparatus for the heat treatment of fine-grained mate Method and apparatus for the heat treatment of fine-grained mate

1984-11-05

1986-04-01

Camby, John J.

Heating

Processes of heating or heater operation

Including passing, treating or conveying gas into or through...

106100, 432106, F27B 1500, F27B 702, C04B 702

Patent

active

045795266

ABSTRACT:
The invention relates to a method and apparatus for the heat treatment of fine-grained material wherein a precalcination zone formed by the kiln exhaust gas duct of a rotary kiln and into which two branch streams of cooling air which have been subjected to opposing rotational flow are introduced. In this way an equalization of the speed profile over the cross-section of the kiln exhaust gas duct and an improvement in the burning up of the fuel is achieved.

REFERENCES:
patent: 3834860 (1974-09-01), Fukuda et al.
patent: 4257766 (1981-03-01), Ritzmann et al.

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