Manufacture of cement clinker from raw slurry

Details Manufacture of cement clinker from raw slurry Manufacture of cement clinker from raw slurry

1973-12-28

1976-10-19

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

C04B 744

Patent

active

039868869

ABSTRACT:
This invention relates to a method of manufacturing cement clinker from raw material in the form of cement raw slurry wherein the raw material is subjected to an initial heat treatment by bringing it into contact with hot gases by subjecting it to an initial spray drying in a spray dryer to convert the raw slurry into cement raw meal and preheated in a suspension preheater prior to burning it in a rotary kiln. Hot gases are directed from the rotary kiln to the preheater for preheating the spray dried raw meal while hot gases are directed to the spray dryer to provide heat for spray drying the raw slurry. A means for producing supplementary hot gases is provided with means for directing said supplementary hot gases in a manner to provide supplementary heat for heat treating the raw material prior to feeding it into the kiln. A rotary kiln plant for manufacturing cement clinker from raw material in the form of cement raw slurry according to the method of the invention is also disclosed.

REFERENCES:
patent: 3703275 (1972-11-01), Sylvest

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