Asphaltic concrete patch mixing and heating apparatus and...

Details Asphaltic concrete patch mixing and heating apparatus and... Asphaltic concrete patch mixing and heating apparatus and...

E - Fixed Constructions

01

C

259/11

E01C 19/10 (2006.01) B28C 5/46 (2006.01)

Patent

CA 1137075

Abstract of the Disclosure An improved method of recycling asphaltic concrete comprises heating the material in a rotating drum while directing flame and hot gases of combustion therein whereby the composition is directly exposed to the hot gases, directing the hot gases into the drum through a port, open to atmosphere, burning hydrocarbon volatiles from the composition in the drum, and venting exhaust gases and burned hydrocarbon volatiles to atmosphere from the drum through the open port concurrently with the introduction of the hot gases of combustion. In an improved apparatus for practicing the process, the drum includes a second port adjacent the opposite end of the drum from the open port, the second port having closure means for being selectively opened only to the extent necessary to recover the heated composition.

319858

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