Method and apparatus for treating asphaltic concrete paving mate

Details Method and apparatus for treating asphaltic concrete paving mate Method and apparatus for treating asphaltic concrete paving mate

1985-12-20

1990-09-18

Yuen, Henry C.

Heating

Tumbler-type rotary - drum furnace

432105, 110220, 34 1, 366 4, 366 25, 219 1055R, F27B 736

Patent

active

049574345

ABSTRACT:
A method of heating reclaimed asphalt paving is shown and described. An air sorter removes fine materials from the reclaimed asphalt paving, and an air circulating dryer which utilizes high velocity air impingement, removes the moisture from the material. A conventional combustion heating tunnel is used to raise the temperature of the material to a first desired temperature and a microwave heating tunnel is used to raise the temperature to a final desired temperature.

REFERENCES:
patent: 3951081 (1976-04-01), Martin et al.
patent: 4242220 (1980-12-01), Sato
patent: 4319856 (1982-03-01), Jeppson
patent: 4398826 (1983-08-01), Mendehall
patent: 4411530 (1983-10-01), Low et al.
patent: 4427376 (1984-01-01), Etnyre et al.
patent: 4481039 (1984-11-01), Mendehall
patent: 4504149 (1985-03-01), Mendehall
patent: 4571860 (1986-02-01), Long

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