Method for refining a glass melt and an apparatus for melting and refining a glass melt

摘要

The invention relates to a melting cistern for producing a glass melt as well as to its refining, ;with a cistern floor which is situated by a dimension H beneath the melt level; ;with a refining wall which extends in the transversal direction over the cistern width B and whose upper edge is situated by a dimension H beneath the melt level; ;with a weir being provided in the refining wall which forms an overflow edge for the melt and which consists of a sheet metal plate made of molybdenum or tungsten or a refractory metal or an alloy made of refractory metals; ;with the weir standing in the glass bath in a completely free manner in its upper region.