Asphalt plant with improved temperature control system

Details Asphalt plant with improved temperature control system Asphalt plant with improved temperature control system

B - Operations, Transporting

28

C

259/11, 341/21

B28C 5/46 (2006.01) E01C 19/10 (2006.01)

Patent

CA 1113084

ABSTRACT OF THE DISCLOSURE Disclosed is an improved drum mix plant which includes a rotating elongate inclined mixing drum having openings at each end for introduction and removal of asphalt-aggregate material from the drum, an adjustable burner at one end of the drum for heating the contents thereof, ducts for removing heated gases from the drum and directing a portion of said gases to a baghouse for removal of particulate material and for directing the remainder of said gases to a manifold surrounding the burner for mixing and cooling of the higher temperature gases of the burner. Dampers within the ducts may be opened and closed in response to temperature sensors placed adjacent the entrance point and the exit point of the asphalt-aggregate material in the drum thereby regulating the volume of gases flowing through the drum. The sensors may also regulate the amount of fuel supplied to the burner and thereby control the degree of heating of recycled gases.

337517

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