Method and apparatus for burning fine grained material, particul

Details Method and apparatus for burning fine grained material, particul Method and apparatus for burning fine grained material, particul

1983-09-12

1985-01-29

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

432 13, 432106, C04B 750

Patent

active

044963963

ABSTRACT:
A method and apparatus for burning fine grained products, such as raw cement meal, wherein the product is preheated in a preheating stage, calcined in a calcining stage, and is burned into clinker in a clinker stage followed by cooling in a cooling stage. The heating of the largely calcined product in the temperature range of about 900.degree. C. to the beginning of alite formation which occurs at approximately 1250.degree. C. is carried out under the fastest possible temperature rise conditions and the clinker reaction is carried out in concurrent flow with the gas stream in the burning stage. The clinker is then graded into a coarse grained fraction and a fine grained fraction which are then cooled in separate coolers after separation from the gas stream.

REFERENCES:
patent: 4342598 (1982-08-01), Kogan
patent: 4392890 (1983-07-01), Henin et al.
patent: 4435159 (1984-03-01), Knudsen
patent: 4461645 (1984-07-01), Roth et al.

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