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A new approach is proposed for analyzing the efficiency of fume heat recovery. The theoretically attainable temperature of air heating is calculated for a 450 tons/day glassmaking furnace with fume temperature 1450 – 1500°C at the entry and 325 – 450°C at the exit of the checkerwork. The regenerator structural and regime parameters required to heat air to 1300°C are determined.
A novel three-cycle scheme is proposed for recovering heat from the flue gases in glassmaking furnaces. The theoretical principles validating the correctness of prescribing the main initial data for calculating a three-cycle regenerator are formulated. An example of the development of a three-cycle regenerator for a glassmaking furnace with a horseshoe flame configuration is presented.
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