Glass melting tanks and to refractory materials for use therein

Details Glass melting tanks and to refractory materials for use therein Glass melting tanks and to refractory materials for use therein

C - Chemistry, Metallurgy

03

B

307/1

C03B 5/04 (2006.01) C03B 5/027 (2006.01) C03B 5/03 (2006.01) C03B 5/20 (2006.01) C03B 5/225 (2006.01) C03B 5/23 (2006.01) C03B 5/42 (2006.01) C03B 5/43 (2006.01) C04B 35/484 (2006.01)

Patent

CA 1267181

ABSTRACT IMPROVEMENTS IN OR RELATING TO GLASS MELTING TANKS AND TO REFRACTORY MATERIALS FOR USE THEREIN 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 31X and 43% by weight of zirconia. The refractory is conditioned by oxidation at at least 1450°C for 24 hours.

495835

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