Method of burning pulverous raw material and rotary kiln plant t

Details Method of burning pulverous raw material and rotary kiln plant t Method of burning pulverous raw material and rotary kiln plant t

1975-06-18

1977-05-24

Camby, John J.

Heating

Processes of heating or heater operation

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

34 57A, 432 15, 432106, F27B 1500, F26B 1700

Patent

active

040252957

ABSTRACT:
An improved method is disclosed for heat treating a preheated, pulverous raw material such as cement raw meal wherein a stream of oxygen containing gas is directed through a calcination chamber and the preheated raw meal and a calcining fuel are fed separately therein in a manner which provides mixing of the raw meal and the fuel and thereafter creates eddys of the mixture when it contacts the oxygen containing gas. The combined stream is directed out of the chamber and particles of raw meal are separated therefrom. A calcination plant is disclosed for practicing the method of the invention and a rotary kiln plant is disclosed for burning cement raw meal in a manner which includes at least partial calcination according to the inventive method.

REFERENCES:
patent: 3864075 (1975-02-01), Christiansen
patent: 3881861 (1975-05-01), Ritzmann
patent: 3891382 (1975-06-01), Lawall et al.
patent: 3910754 (1975-10-01), Weber et al.

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