B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
B01F 15/06 (2006.01) E01C 19/10 (2006.01)
Patent
CA 2059002
A blacktop plant has a rotatable cylindrical mixing drum. The drum is disposed within a chamber which is divided into two chambers by a baffle through which the drum penetrates. The forward section of the heating chamber preheats the material which is fed into the drum for heating and recovers latent heat from the water vapor in the heating chamber exhaust. The second chamber has a multiplicity of burners mounted beneath the drum and aligned with the drum axis. Each heater is partially baffled from adjacent heaters by zonal baffles. The heaters are rotatively mounted to a frame upon which the heating chamber and drum are mounted and may be rotated to change the angle with which the burner flame impinges upon the drum. Quadrant plates partition the drum along its axis to form the drum into four equal quadrants. The quadrant plates have drop slots which allow the material to pass from one quadrant to another. The material in the drum is heated in counterflow by the combustion gases from the burners in the heating section of the chamber. The blacktop plant has flat stack scrubber units disposed along the sides of the chamber for cleaning the exhaust gases with counterflowing spray water. The plant is adapted for mounting on a trailer for movement over the surface to be paved. The chamber is insulated and allows the use of microwave energy for heating the asphalt and sound energy for cleaning the mixing drum.
Alexander Donald J.
Sindelar Robert A.
Alex-Sin Manufacturing Inc.
Borden Ladner Gervais Llp
LandOfFree
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