Equipment for and method of precalcining any mineral materials w

Details Equipment for and method of precalcining any mineral materials w Equipment for and method of precalcining any mineral materials w

1993-05-26

1994-11-15

Yuen, Henry C.

Heating

Tumbler-type rotary - drum furnace

Having combustion products generated in or fed to drum

432 14, F27B 702

Patent

active

053642651

ABSTRACT:
An equipment for precalcining any mineral materials whatsoever comprising a precalciner consisting of a combustion chamber communicating through a passage-way with a reaction chamber itself communicating via a duct with a separation cyclone, the reaction chamber being fed with smokes issuing from a firing furnace and three ducts feeding with hot air issuing from a cooler the combustion chamber, a voluted casing at the level of a burner and said duct, respectively, the equipment in particular permitting the manufacture of cement clinker while greatly minimizing the emission of nitrogen oxides.

REFERENCES:
patent: 4050882 (1977-09-01), Kohl et al.
patent: 4514170 (1985-04-01), Kupper
patent: 4747879 (1988-05-01), Wolter et al.
patent: 4929178 (1990-05-01), Maury et al.
ZKG International, "Bildung und afbau von no in zementofenanlagen.", A Scheuer and O. Gardick, vol. 38, No. 2, Feb. 1, 1985, pp. 57-66.

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