
Reheat Furnace - an overview | ScienceDirect Topics
4.1.1 Waste heat recovery. Waste heat from the reheat furnace can be reused for preheating billets, incoming water, etc., for which energy efficiencies can be calculated by PHAST. The heat required (kJ/h) in the reheat furnace will be reduced by 23.6% and the energy intensity (kJ/kg) will be reduced by 278.12 kJ/kg.