Abstract

ABSTRACTThe large-scale cold crucible induction melter (CCIM) with productivity of 12 kg/h was created for melting borosilicate glass containing 20 mass. % of high-level liquid wastes (HLLW) simulators. Tests were carried out to study the effect on the CCIM operating parameters during sedimentation of metallic silver, at the content of 3.8 mass. % Ag2O in glass. Post-test analyses of the glass shows the sedimentation of silver in the bottom layers of the molten pool. Experiments have confirmed that the presence of noble metals in the form of undissolved sediments in the bottom layers of furnace leads to a changes in the properties of the melt, the aggravation of its drain conditions, an increase in the thermal conductivity of the skull and heat losses during melting.

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