Drying and gas or vapor contact with solids – Apparatus – Rotary drums or receptacles
Patent
1996-12-02
1998-04-14
Bennett, Henry A.
Drying and gas or vapor contact with solids
Apparatus
Rotary drums or receptacles
366 25, 34137, 34135, F26B 1102
Patent
active
057378495
ABSTRACT:
A recycled asphalt product (RAP) drying apparatus comprising a three-zone counterflow RAP dryer and a duct system to recycle essentially all of the hot gases back through the system. The three-zone RAP dryer has a combustion zone at one end, a drying zone at the other end, and a buffer zone between the combustion and drying zones. A RAP inlet to introduce RAP into the dryer is included at one end of the drying zone, and a RAP outlet to remove RAP from the dryer is included at the other end of the drying zone. A duct pathway routes hot air from the drying zone back to the buffer zone so that hot air may be recycled through the apparatus.
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"Rapmaster Plant Designed to Run RAP Mixes Without a Baghouse," Asphalt Contractor, Apr., 1995; p. 95.
Morrison Troy R.
Mullinax Billy Joe
Bennett Henry A.
Doster Dinnatia
Jat Enterprise Inc. of Indiana
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