Nanometer phase change energy-storage-type heat pump water heater
A heat pump water heater and phase change energy storage technology, which is applied in the field of heat exchange, can solve the problems of low heat transfer coefficient, long thermal reaction time, and poor stability of phase change materials in the phase change energy storage box, so as to achieve rational use of energy and improve energy transfer. The effect of large thermal coefficient and latent heat value
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[0018] refer to figure 1 , a nano-phase change energy storage heat pump water heater, including a phase change energy storage tank 4, the phase change energy storage tank 4 is equipped with a condensation heat exchange coil 8 and a water circuit heat exchange coil 9, the condensation heat exchange An expansion valve 3, an evaporator 1 and a compressor 7 are sequentially connected between the output end and the input end of the coil 8. One end of the water circuit heat exchange coil 9 is connected with a cold water inlet pipe 5, and the other end is connected with a hot water outlet. The water pipe 10, a fan 6 is installed at the evaporator 1, and the fan 6 works to blow the air flow 2 through the evaporator 1 for heat exchange.
[0019] The phase-change energy storage tank 4 is filled with nano-phase-change energy-storage materials with a phase-change temperature of 50-60° C. The components and parts by weight of the nano-phase-change energy storage materials are: 0.5-2.0 part...
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