Method and apparatus for the thermal treatment of alkali-contain

Details Method and apparatus for the thermal treatment of alkali-contain Method and apparatus for the thermal treatment of alkali-contain

1977-07-11

1978-11-21

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

C04B 744

Patent

active

041264711

ABSTRACT:
A method and apparatus for the thermal treatment of alkali-containing pulverent raw material used in the manufacture of cement in which the material is preheated in a preheater and after sintering in a furnace is conveyed to a cooler. Alkali free exhaust air from the cooler is conveyed into the preheater for heating the material and the alkali-containing furnace exhaust gases are cooled by means of adding a portion of the pulverized raw material to them in a heat exchanger. The alkali salts are condensed and are separated off in a dust collecting chamber.

REFERENCES:
patent: 3451665 (1969-06-01), Strassen
patent: 3887388 (1975-06-01), Christiansen
patent: 3923536 (1975-12-01), Kobayashi

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