Apparatus for the production of cement clinker low in alkali fro

Details Apparatus for the production of cement clinker low in alkali fro Apparatus for the production of cement clinker low in alkali fro

1981-02-25

1983-01-25

Yuen, Henry C.

Heating

Tumbler-type rotary - drum furnace

Having combustion products generated in or fed to drum

432 58, 106100, F27B 1500, F27B 702

Patent

active

043701272

ABSTRACT:
A method for the production of low alkali-cement clinker from alkali-containing raw material comprising a preheating step, a deacidification step and a sintering step utilizes a portion of the alkali-containing exhaust gases from the sintering step which are mixed with deacidified combustion gases from the deacidification step and reintroduced into the system in contact with the raw material to preheat and precalcity the raw material in a plurality of cyclones.

REFERENCES:
patent: 4126471 (1978-11-01), Herchenbach et al.
patent: 4201546 (1980-05-01), Herchenbach et al.
patent: 4226585 (1980-10-01), Deussner
patent: 4289483 (1981-09-01), Deussner

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