基于冰浆热泵的再生水深度提能系统研究OA

Aiming at the technical bottlenecks of low thermal energy utilization rate of reclaimed water,the limitation of large-scale urban energy supply and the difficulty of extracting latent heat from water source heat pumps,an ice-slurry-source heat pump heating technology adapted to the complex water quality of reclaimed water is proposed in this paper.This technology integrates dynamic ice slurry technology with the energy extraction from reclaimed water,deeply exploring and utilizing the low-grade thermal energy of the reclaimed water,and achieving combined recovery of the sensible and latent heat.The impact of key parameters such as water quality,ice slurry mass fraction,heating temperature,and compressor load rate on the system performance is investigated.The results show that when the reclaimed water is treated with two-stage filtration,maintaining turbidity at 0.7 NTU,the maximum operating subcooling degree increases to 1.4℃.When the ice slurry mass fraction of the discharged reclaimed water is 25%,the energy extraction per unit volume of water is 6.4 times greater than that of the water source heat pump.