Abstract

The present invention provides a method for identifying a glass defect source, whereby a glass defect source can directly be identified without using a mathematical simulation. The method for identifying a glass defect source, which comprises a step of constructing a glass melting furnace by using, as lining furnace material, a fusion cast refractory containing at least one tracer component selected from Cs2O, SrO, BaO and ZnO, a step of melting a glass material by the glass melting furnace and forming the molten glass material to produce glass products, and a step of extracting one having a glass defect from the glass products and analyzing its component composition to determine the position of a glass defect source in the glass melting furnace.

IPC Classes  ?

• C03B 5/00 - Melting in furnacesFurnaces so far as specially adapted for glass manufacture
• C03B 5/43 - Use of materials for furnace walls, e.g. fire-bricks
• C04B 35/107 - Refractories by fusion casting
• C04B 35/109 - Refractories by fusion casting containing zirconium oxide or zircon (ZrSiO4)
• C04B 35/484 - Refractories by fusion casting