Sacmi Forni has developed three energy recovery systems applicable to the latest-generation kilns. The BSR system features combustion air heated at low temperature. The combustion air passes through a heat exchanger in the rapid cooling section before being sent to the burners at a temperature of approximately 100°C. By subtracting heat from the rapid cooling zone, the exchanger also reduces the volumes needed to cool the material, providing energy savings in the order of 6%. The MDR system features combustion air heated at medium temperature, while the SPR system uses super-heated combustion air. Each of these systems offers additional energy savings.
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