E - Fixed Constructions – 01 – C
Patent
E - Fixed Constructions
01
C
E01C 19/10 (2006.01) B01D 46/02 (2006.01) B01D 53/62 (2006.01) B01F 9/00 (2006.01) B01F 13/00 (2006.01) B09B 3/00 (2006.01) B09C 1/06 (2006.01) B09C 1/08 (2006.01) C08L 95/00 (2006.01) C09K 17/00 (2006.01) F23G 7/14 (2006.01)
Patent
CA 2082102
CONVERTIBLE ASPHALT AND SOIL REMEDIATION PLANT AND METHODS OF OPERATION ABSTRACT OF THE DISCLOSURE A materials-handling plant is convertible for producing asphalt by either batch or continuous drum mix processes or remediating soil. Common to each process is a rotary drum and burner system for heating the materials, a primary separator and a baghouse for separating particulate matter from exhaust gas streams. For asphalt production by a batch process, aggregate is dried in the drying section of the drum and discharged for combination with asphalt in a batch tower. In the continuous drum mixer mode of asphalt production, dried aggregate is discharged into a drum mixing section for mixing with asphalt and recycle asphalt and conveyed to a storage silo. In both cases, particulate dust is separated from the exhaust gas stream and combined with the resulting asphalt product. For soil remediation, the contaminants in the soil are volatilized in the drum by contact with the hot gases of combustion. Dust particles in the exhaust gas stream are separated and contaminants thereon volatilized in the baghouse. The contaminant-free particles are recombined with the remediated soil in a mixer/cooler. The resulting exhaust gas stream is subjecyed to elevated heat to volatilize any residualcontaminants.
Brashears David F.
Curtis Edward D.
Gowling Lafleur Henderson Llp
Thermotech Systems Corporation
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