Abstract: A recycle conduit insulation assembly for use with a helical recycle conduit of a rotary reactor of the type having a rotating, horizontally-oriented, cylindrical chamber for burning materials therein and a quantity of particulate, inorganic material within the chamber for conveying heat energy to material to be burned. The insulation assembly includes a plurality of shell elements, each comprising a cylinder enclosing a portion of the conduit and being arranged in overlapping relation, a plurality of mounting rings, each attached to and extending radially from the conduit and having a T-shape in section for supporting the shell elements at ends thereof, and a pumpable refractory mixture substantially filling the insulating space between the shell elements and conduit.
Type:
Grant
Filed:
April 30, 1990
Date of Patent:
February 25, 1992
Assignee:
Rollins Environmental Services (TX) Inc.
Abstract: A rotary reactor of the type having a cylindrical, horizontally-oriented chamber lined with a refractory for burning materials therein and a plurality of trough-like lifters, extending along the interior surface of the chamber, for lifting and dumping sand in the chamber as the chamber rotates, a long-wearing lifter assemble which minimizes intrusion of contaminants between the lifter and the refractory.
Type:
Grant
Filed:
May 4, 1990
Date of Patent:
August 20, 1991
Assignee:
Rollins Environmental Services (TX) Inc.
Inventors:
Donald C. Matter, Harold L. Byerly, Bruno R. Kuhn, Richard N. Winders, Peter W. Falcone