Rotating drum dryer apparatus

Details Rotating drum dryer apparatus Rotating drum dryer apparatus

1978-08-28

1980-02-19

Camby, John J.

Heating

Tumbler-type rotary - drum furnace

Having structure agitating or controlling the motion of the...

34135, 432105, F27B 714

Patent

active

041893000

ABSTRACT:
A burner and associated rotating drum dryer for drying loose material, such as aggregates, is provided in which the burner directs a flame into the middle of the dryer drum, which has flights therein which lift the loose material in the rotating drum and drop it to either side of the center of the flame while preventing its falling through the center. A plurality of flights are mounted around the drum and each captures loose material as it passes through the loose material on the bottom of the drum and drops the material in a pattern in the drum for more rapid drying of the material. The material is spread through the open space of the drum except for that portion in the middle of the flame so as not to interfere with complete combustion.

REFERENCES:
patent: 856770 (1907-06-01), Cummer
patent: 3950861 (1976-04-01), Weimer et al.

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