Countercurrent asphalt drum dryer/mixer

Details Countercurrent asphalt drum dryer/mixer Countercurrent asphalt drum dryer/mixer

1989-05-12

1990-03-20

Jenkins, Robert W.

Agitating

Mortar mixer type

Methods

366 23, 366 25, B28C 546

Patent

active

049105400

ABSTRACT:
A drum mixer having a internal combustion gas cylinder extending substantially the length of the drum mixer is provided. Hot combustion gases are generated by a flame within the cylinder. The combustion gases within the cylinder flow in a countercurrent direction the to the flow of material within the drum mixer. The combustion gases exit the cylinder generally at the receiving end of the drum mixer and are directed towards the discharge end thereof in a parallel relation to the flow of material. The horizontal position of the flame within the drum is adjustable and a valve for mixing the gases within the drum adjacent the discharge end thereof with the flame is also provided.

REFERENCES:
patent: Re31904 (1985-06-01), Mendenhall
patent: Re31905 (1985-06-01), Mendenhall
patent: 3614071 (1971-10-01), Brock
patent: 4074894 (1978-02-01), Mendenhall
patent: 4215941 (1980-08-01), Mendenhall
patent: 4787938 (1988-11-01), Hawkins

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