Method and apparatus for the thermal treatment of pulverulent ma

Details Method and apparatus for the thermal treatment of pulverulent ma Method and apparatus for the thermal treatment of pulverulent ma

1979-05-10

1981-02-10

Schwartz, Larry I.

Heating

Processes of heating or heater operation

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

432 15, 432 58, 106100, F27B 1500

Patent

active

042498929

ABSTRACT:
Method and apparatus for the thermal treatment of pulverulent material in which the material is preheated and finely calcined in a calcination zone, the improvement involving pre-calcining the pulverulent material in a highly turbulent gaseous stream containing combustible fuel in a pre-calcination zone prior to final calcination.

REFERENCES:
patent: 3932116 (1976-01-01), Hansen
patent: 4002420 (1977-01-01), Christiansen
patent: 4035139 (1977-07-01), Goldmann et al.
patent: 4066470 (1978-01-01), Brachthauser et al.
Cement Data Book-International Process Engrg. in the Cement Industry-Macdonald & Evans, London, 1976, p. 384.

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