Recycled asphalt-aggregate process and apparatus

Details Recycled asphalt-aggregate process and apparatus Recycled asphalt-aggregate process and apparatus

1978-01-09

1980-02-19

Yuen, Henry C.

Agitating

Mortar mixer type

Methods

366 8, 366 25, 106281, B28C 546, B28C 710, C10C 300

Patent

active

041892380

ABSTRACT:
In a process for recycling asphalt and aggregate containing composition, the improvement comprises separating the composition into a plurality of portions having different particle sizes, ranging from coarse to fine, introducing the particle portions into different mixing and heating drums, one of the drums being for the coarse particle portion, and one or more additional drums for smaller particle portions, and heating the particles in the respective drums with hot gases of combustion at temperatures below that which will burn the asphalt particles in each of the respective drums.

REFERENCES:
patent: 1836261 (1931-12-01), Madsen
patent: 3482824 (1969-12-01), Lehman et al.
patent: 3845941 (1974-11-01), Mendenhall
patent: 3866888 (1975-02-01), Dydzk
patent: 3971666 (1976-07-01), Mendenhall
patent: 3999743 (1976-12-01), Mendenhall
patent: 4025057 (1977-05-01), Shearer
patent: 4103350 (1978-07-01), Brock et al.
patent: 4153471 (1979-05-01), Mendenhall

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