Two articles on thermal radiation conductivity of glass melts have been published to aid in the design of low carbon glass melting technologies.
Designing low carbon glass melting technologies requires reliable glass melt properties input data.
Accurate data is available on the viscosity behaviour of practically all industrial glasses.
However, the existing data on the thermal radiation conductivity of glass melts is scarce and often unreliable - especially the effects of temperature and redox on the radiation conductivity are unknown in many cases.
But from now, the guessing of this essential glass melt property is no longer necessary.
For example, in electric glass furnaces, the transfer of the heat generated around the electrodes to the cold batch on top of the melt is strongly limited by the radiation conductivity of the melt.
A low radiation conductivity of the melt will result in a poor melting rate of the batch and thus in a low furnace pull rate.
Read more from Glass International
Date posted: 25/08/2022
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