Drum mixer and method

Details Drum mixer and method Drum mixer and method

1980-03-27

1985-05-28

Jenkins, Robert W.

Agitating

Mortar mixer type

Methods

366 25, B18C 546

Patent

active

045197113

ABSTRACT:
The productive capacity of a drum heater and mixer for asphalt paving composition intended for processing recycled materials can be increased substantially by spraying a curtain of water vertically into the pathway of the raw material as it falls into the drum intake and before any substantial contacts with heated gases or flame and by spraying a curtain of water into the pathway of the heated gases and flame for controlling the temperature profile across the interior of the drum. The latter curtain of water is disposed at about thirty-five degrees to a plane perpendicular to the drum axis. Additional sprays of water downstream from the angular curtain of water may be supplied if necessary.

REFERENCES:
patent: 2093232 (1937-09-01), Coulter
patent: 3718131 (1973-02-01), Busse
patent: 3748080 (1973-07-01), Dunn
patent: 3809523 (1974-05-01), Varekamp
patent: 3814567 (1974-06-01), Zink
patent: 4039171 (1977-08-01), Shearer
patent: 4127379 (1978-11-01), Grove
patent: 4143972 (1979-03-01), Benson

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