Abstract: A method for producing fused silica including pre-heating silica sand by passing the silica sand through a gas flame, distributing the pre-heated silica sand to a furnace having an internal temperature of about 1,713° C. or greater to form molten fused silica, and cooling the molten fused silica by flowing the molten silica from the furnace into a water bath to produce fused silica particulates.
Type:
Grant
Filed:
October 20, 2015
Date of Patent:
March 31, 2020
Assignee:
Navus Automation, Inc.
Inventors:
David R. Lawless, Gregory J. Hayzen, Charles H. Coggin, Jr.