Method and apparatus for the heat treatment of a fine grained pr

Details Method and apparatus for the heat treatment of a fine grained pr Method and apparatus for the heat treatment of a fine grained pr

1983-09-16

1985-03-26

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

432 13, 432 18, 432106, C04B 744

Patent

active

045071535

ABSTRACT:
A method and apparatus for burning fine grained products, such as in the manufacture of cement clinker from raw cement meal wherein preheated, calcined meal is heated in a separate heating assembly to a temperature from approximately 900.degree. C. to approximately 1250.degree. C. and is then sintered into clinker in a burning assembly such as a rotary tubular kiln. The present invention provides a means for achieving a fast and uniform continuous heating in the heating assembly without reaching the critical temperature of melt phase formation and without danger of encrustations, the heat required for rapid heating being released in controlled amounts in the heating assembly, where it is immediately absorbed by the product, the heat being provided by a plurality of points of fuel introduction and/or combustion air introduction distributed over the heating assembly.

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