Process and an installation for the heat-treatment of fine-grain

Details Process and an installation for the heat-treatment of fine-grain Process and an installation for the heat-treatment of fine-grain

1980-12-05

1983-09-06

Camby, John J.

Heating

Processes of heating or heater operation

Including passing, treating or conveying gas into or through...

106100, 432106, F27B 1506, F27B 702, C04B 702

Patent

active

044026676

ABSTRACT:
The invention relates to a process and an installation for the heat-treatment of fine-grained material. Before the material is introduced into a precalcination zone, waste air from a cooling zone is divided into two component streams into which partial quantities of material coming from the two preheating zones are introduced. Separately measurable quantities of fuel are added to these two component streams before they are combined with one another. In this way, the material is maximally deacidified in the precalcination zone before it is introduced into the calcining zone without any danger of deposits being formed in the precalcination zone.

REFERENCES:
patent: 3986818 (1976-10-01), Deussner et al.
patent: 4257766 (1981-03-01), Ritzmann et al.
patent: 4300879 (1981-11-01), Goldmann et al.

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