Abstract：
Necessity and working principle for application of exhaust air heat recovery in hot air heating system of factory building are introduced and characteristics of different heat recovery devices are compared. System design and type selection of exhaust air heat recovery device for hot air heating system are described according to engineering practices. Operation cost for application of exhaust air heat recovery in hot air heating system is calculated hour by hour and its economic performance is analyzed according to local climatic conditions.
AN Qiang,GAO Xiao-jun. ECONOMIC ANALYSIS ON APPLICATION OF EXHAUST AIR HEAT RECOVERY IN HOT AIR HEATING SYSTEM[J]. Architecture Technology, 2013, 44(12): 1090-1092.
