Preheating apparatus

Details Preheating apparatus Preheating apparatus

1981-02-02

1982-06-29

Camby, John J.

Heating

Shaft type

Having combustion products generated in or fed to shaft

34170, 432102, 432106, F27D 108, F27B 702, F26B 1712

Patent

active

043370314

ABSTRACT:
An apparatus for preheating particulate material in which the particulate material is transferred from an upper storage bin to a lower annular flow passage by a plurality of connecting chutes and the particulate material is preheated in the annular flow passage by hot kiln gases flowing in countercurrent heat exchange relationship with the particulate material and, in addition, by hot kiln gases introduced into the annular flow passage from the lower regions of radially extending ducts.

REFERENCES:
patent: 2275442 (1942-03-01), Kennedy
patent: 3601376 (1971-08-01), Niemitz
patent: 4207061 (1980-06-01), Ikenaga

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