Agitating – Mortar mixer type – With heating or drying
Patent
1982-01-18
1985-06-04
Jenkins, Robert W.
Agitating
Mortar mixer type
With heating or drying
B28C 546
Patent
active
RE0319040
ABSTRACT:
In a process for producing asphalt-aggregate composition in which used asphaltic concrete is recycled by being heated and mixed in a rotatable drum into which flame and hot gases of combustion are directed, the improvement comprises introducing virgin aggregate in a hot zone of the drum and directly exposing the aggregate to the flame and/or hot gases of combustion, and introducing particles of asphalt-aggregate composition downstream from the hot drum input end, away from direct exposure to the flame and extremely hot gases, in a cooler temperature zone. An improved apparatus includes means for introducing the aggregate at the input drum end for direct exposure to the flame or hot-test gases, and means for introducing the used and recycled asphalt-aggregate composition in a cooler drum zone.
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"Hot-Mix Recycling of Asphalt Pavement", by Charles R. Foster, Jun. 1975, Napa News.
"Hot-Mix Recycling of Asphalt Pavement", by Charles R. Foster, Aug. 1975.
Napa "Recycling Report", vol. 1, No. 1, May 27, 1977.
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1960 Barber-Greene Brochure, "Dryer Principles", pp. 1-15.
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Jenkins Robert W.
Seiler Jerry R.
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