The ice heat storage device null which utilizes the supercooling water

摘要

PURPOSE: To accomplish energy saving in an ice heat storage device utilizing supercooling water by a method wherein cold heat of heating side fluid applied for a pre-heating of water flowing in a return pipe is utilized as a cold heat source in another air conditioner. ;CONSTITUTION: An ice heat storage device in which water in an ice heat storing tank 1 is sent to a supercooling device 5 through a return pipe 6 and supercooling water 2' prepared by the supercooling device 5 is dropped again into the ice heat storage tank 1 is constructed such that there is provided a heat exchanger 21 using water 2 flowing in the return pipe 6 so as to cool refrigerant of another system 23.;COPYRIGHT: (C)1996,JPO