Manufacture of cement by intergrinding carbonaceous fuel

Details Manufacture of cement by intergrinding carbonaceous fuel Manufacture of cement by intergrinding carbonaceous fuel

1980-01-18

1980-12-09

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

C04B 736

Patent

active

042382378

ABSTRACT:
The manufacture of Portland cement clinker by (1) forming an intimate mixture by intergrinding (a) unsintered Portland cement raw materials and (b) a low volatile carbonaceous fuel such as coke breeze having a high ignition temperature, (2) passing the intimate mixture through a set of preheating cyclones wherein it is preheated prior to passing into a calcining zone, and (3) passing the mixture into said calcining zone wherein said intimate mixture (a) is maintained in a substantial fluidized condition, and (b) is heated rapidly up to a calcination temperature to accomplish calcination of the Portland cement raw material and the ignition of the carbonaceous fuel.

REFERENCES:
patent: 4022629 (1977-05-01), Garrett et al.

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