A FLUE GAS HEAT RECOVERY SYSTEM USING A CONDENSING HEAT EXCHANGER

摘要

The system of the present invention discloses a flue gas heat recovery system (300) for simultaneously heating water and air, said system (300) primarily comprises a sensible heat exchanger (302) for extracting sensible heat from the flue gases, a condensing heat exchanger (308) for extracting the remaining sensible heat and latent heat from the flue gases, and an air preheater (332) for pre-heating air. The system (300) aims at providing two heat recovery loops which provide a sufficient heat sink for optimum heat recovery from the flue gases even with limited make-up water availability.