Method and apparatus for heating particulate material

Heating – Processes of heating or heater operation – Including melting – vaporizing – sintering – expanding...

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252378P, 432 58, F27B 1400, F27B 1500, C04B 3122

Patent

active

045211825

ABSTRACT:
Particulate material is heated by directing a flame downwardly along the central axis of a vertically disposed furnace. The particulate material is introduced at a number of locations distributed radially around the flame at the upper end of the furnace. The particulate material is directed downwardly and toward the central axis of the furnace placing the particulate material within the flame as it passes downwardly through the furnace.

REFERENCES:
patent: 2521190 (1950-09-01), Stafford et al.
patent: 2550877 (1951-05-01), Stafford et al.
patent: 2572484 (1951-10-01), Howle et al.
patent: 2602782 (1952-07-01), Zoradi
patent: 2625512 (1953-01-01), Powell
patent: 2639132 (1953-05-01), Bradford
patent: 2932498 (1960-04-01), Metcalfe et al.
patent: 3010911 (1961-11-01), Robinson
patent: 3118658 (1964-01-01), Dennert
patent: 3627285 (1981-12-01), Slemssen

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