Heating – Processes of heating or heater operation – Including passing – treating or conveying gas into or through...
Patent
1981-11-16
1983-12-13
Camby, John J.
Heating
Processes of heating or heater operation
Including passing, treating or conveying gas into or through...
34 57E, 106100, 432105, 432106, F27B 1500, F26B 1700, C04B 702
Patent
active
044203039
ABSTRACT:
A method for thermally treating pulverulent material, i.e., keeping the material at a certain temperature, the treating temperature, in a desired period of time, in particular sintering, pulverulent material in a cylindrical reaction chamber with an axis slightly inclined to the horizontal after the material has been heated to the treating temperature outside the reaction chamber suspended in a gas. The method is especially applicable for thermally treating materials which tend to become sticky at the treating temperature, in particular for sintering pulverulent materials, i.e., agglomerating these by heating without complete melting. However, the method is also useful for general thermal treatment where sintering is not intended, e.g., for burning Bauxite, Mesa and phosphate bearing ores. An example of a sintering process to which the invention is particularly applicable is the manufacturing of cement clinker where the pulverulent material to be sintered is hot calcined cement raw meal. An apparatus for practicing the method of the present invention is also disclosed.
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Camby John J.
F. L. Smidth & Co.
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