Apparatus for preheating granular ore

Details Apparatus for preheating granular ore Apparatus for preheating granular ore

1984-12-27

1986-07-08

Camby, John J.

Heating

Shaft type

Having combustion products generated in or fed to shaft

34168, 266175, 432 98, 432106, F27D 108, F26B 1712, C21B 700, F27B 702

Patent

active

045990689

ABSTRACT:
An apparatus for preheating granular ore includes a shaft defined by vertical walls, an inlet chute disposed above the shaft for introducing the ore thereinto by gravity, an ore discharge collector situated underneath the shaft for receiving preheated ore therefrom, and an arrangement for passing heating gases upwardly in the shaft. The discharge collector has vertical side walls and further, there is provided an insert situated in the discharge collector and extending generally horizontally thereacross. The insert has a downwardly widening configuration. A discharge device is disposed at a lower end of the discharge collector.

REFERENCES:
patent: 2148946 (1939-02-01), Hubmann et al.
patent: 3832128 (1974-08-01), Paul
patent: 4114289 (1978-09-01), Boulet

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