Production of heated bituminous mixes

Details Production of heated bituminous mixes Production of heated bituminous mixes

1978-06-21

1981-02-10

Camby, John J.

Heating

Processes of heating or heater operation

Including melting, vaporizing, sintering, expanding...

236 15C, 432 47, 432103, F27B 1400

Patent

active

042498902

ABSTRACT:
A process for the production of heated aggregate mix, such as bituminous mix, and a reactor for carrying out the process. In one aspect, the process entails the control of gas flow through a tumbler drum, preferably by controlling exhaust from the drum, in dependence upon the continuous monitoring of a parameter, such as gas pressure within the drum. In a second aspect the aggregate contents of the drum are heated by using a burner to preheat the gas flow, a technique which permits admission of the drum feed as a homogenous stabilized mix.

REFERENCES:
patent: 3595544 (1971-07-01), Curtis et al.
patent: 4022569 (1977-05-01), Farago et al.

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