Rotary kiln plant

Details Rotary kiln plant Rotary kiln plant

1975-01-17

1976-02-24

Camby, John J.

Heating

Tumbler-type rotary - drum furnace

Having combustion products generated in or fed to drum

432 58, 432 78, 432 80, 432 85, F27B 702, F27B 1516

Patent

active

039402410

ABSTRACT:
A rotary kiln plant for calcining and sintering mineral materials such as cement raw materials, comprising a separate unit for preheating and at least partially calcining the raw materials, a rotary kiln for sintering the preheated and calcined raw materials, a separate inside airswept rotary cooler means for cooling the materials burnt in the kiln, and a stationary chamber positioned intermediate the outlet of the rotary kiln and the inlet of the rotary cooler means and forming a passage for the burnt kiln product from the kiln to the rotary cooler means in countercurrent with heated cooling air passing to the rotary kiln. Air inlet and outlet means on the chamber make it possible to introduce additional cooling air and to utilize cooling air from the chamber for the preheating and calcining unit while by-passing the rotary kiln.

REFERENCES:
patent: 1468168 (1923-09-01), Pike
patent: 3358977 (1967-12-01), Jensen
patent: 3416778 (1968-12-01), Chabaglian
patent: 3452968 (1969-07-01), Shimizu et al.
patent: 3671027 (1972-06-01), Frans
patent: 3834860 (1974-09-01), Fukuda et al.
patent: 3864075 (1975-02-01), Christiansen
patent: 3869248 (1975-03-01), Hiral et al.

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