E - Fixed Constructions – 01 – C
Patent
E - Fixed Constructions
01
C
E01C 19/10 (2006.01)
Patent
CA 2133410
A plant which is adapted to process mixtures of recycled paving and aggregate, and which comprises a rotary drum dryer (12) for heating and drying stone aggregate, and an elevator (16) for conveying the heated and dried aggregate to an elevated discharge location. A batch tower (20) is positioned adjacent the elevator (16), and the batch tower (20) comprises an aggregate sizing screen (30) which receives and segregates the aggregate by size, and several underlying aggregate storage bins (32-35), with each aggregate bin receiving aggregate of predetermined average size from the sizing screen. Also, a recycle bin (42) is positioned between and in alignment with the aggregate bins (32-35). A weigh hopper (38) is provided for receiving the aggregate and/or recycle malarial from the bins, and a pugmill (40) is positioned below the weigh hopper (38) for mixing the material with hot liquid asphalt and then delivering the resulting mix into an underlying truck. A gate (25) is provided for delivering the material from the elevator (16) into either the sizing screen (30) or the recycle bin (42). In addition, a weigh belt conveyor (14) is provided for delivering the aggregate to the drum dryer at a predetermined feed rate by weight, and a weigh belt conveyor (24) is provided for delivering the recycle material into the elevator (16) at a predetermined feed rate by weight.
Ai Enterprises Inc.
Astec Industries Inc.
Smart & Biggar
LandOfFree
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