Patent ID: 6146007
Filing Date: 2000-11-14
Classification: E01C

Abstract:
An asphalt plant , comprising:a plurality of asphalt processing components, a selected first set of the components producing volatile emissions;a central burner comprising a media burner and being operatively connected to a selected second set of components for providing heat energy to the second component set , the media burner including an enclosed combustion chamber defined in part by a top wall, a bottom wall, and an inter connecting sidewall, a portion of the combustion chamber containing a matrix of ceramic members, the media burner further including a fuel delivery system adapted to convey fuel to an internal portion of the media burner, the fuel delivery system including a fuel manifold and a plurality of fuel rod assemblies, each of the fuel rod assemblies including a portion extending into the combustion chamber, an outer tube having a sidewall defining a chamber, the outer tube sidewall having at least one fuel port, and an inner conduit disposed within the outer tube and being in flow communication with the fuel manifold, the inner conduit including an outlet end having an orifice for delivering fuel to the outer tube chamber so that the outer tube fuel port delivers fuel from the outer tube chamber to the combustion chamber;a fir st duct system in flow communication with the first component set and the central burner, the first duct system including a fan and being adapted t capture a portion of the volatile emissions produced by the first component set and convey the captured emissions into the central burner for mitigation; anda second duct system in flow communication with the second component set and the central burner, the second duct system including a fan and being adapted to convey heat energy from the central burner to the second component set.