The tank of the merger with glass, refratario molded by merger with, and process for forming a refratario for use in a tank of merger with glass

摘要

The glass melting tank for supplying a flat glass forming process has a melting zone for melting solid batch material and a refining zone with reduced return flow of glass. The base of the refining zone comprises a fusion cast refractory material comprising alumina, silica and between 31% and 43% by weight of zirconia. The refractory is conditioned by oxidation at at least 1450 DEG C. for 24 hours.