GLASS OVEN, IN PARTICULAR FOR CLEAR OR ULTRA-CLEAR GLASS, WITH SIDE SECONDARY RECIRCULATIONS

摘要

Glass furnace for heating and melting vitrifying materials, wherein two recirculating loops of molten glass are formed in the bath between a central zone of the warmer furnace and the inlet (E) and the outlet (Y respectively). ) at a lower temperature; the oven comprises lateral cooling means (12a), (12b) so as to create or reinforce lateral secondary recirculation belts (BLa), (BLb) of the glass.