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    • 1. 发明专利
    • ICE STORAGE SYSTEM
    • JPH07120016A
    • 1995-05-12
    • JP27051093
    • 1993-10-28
    • KANSAI ELECTRIC POWER COMITSUBISHI HEAVY IND LTD
    • KIMURA MASAHIROKITAGUCHI NOBUONAKAZAWA KUNIYASUHIDA YOSHINORI
    • F24F5/00F25C1/00
    • PURPOSE:To equally distribute ice to each of thermal storage tanks so as to effectively perform a large amount of thermal storage by providing a device for relieving supercooled water from the state of being supercooled in the process of delivering to the respective thermal storage tanks the supercooled water transferred by transfer piping. CONSTITUTION:Cooling water is sent from each of a large number of thermal storage tanks 3 provided in order to increase the amount of heat storage to a supercooling device 1 through supply pipes 6 by means of a cooling water circulating pump 5, and is cooled in the supercooling device 1 by use of an external cold heat source to become supercooled water of a temperature not higher than 0 deg.C and not lower than -4 deg.C. The supercooled water 2 flows through a header 7 and is sent through distribution parts 10 and branching pipes 8 to each of the thermal storage tanks 3. The header 7 is extended to an area above the thermal storage tanks 3 provided farthest from the supercooling device 1, and the rear end of the header 7 is provided with an elbow 9 connected to the branching pipe 8 so as to transfer the supercooled water 2 to the thermal storage tanks 3. The supercooled water 2 is made to fall onto collision plates 4 provided as a device for relieving the supercooled water from the state of being supercooled. Thus, collision is given to the supercooled water so that part of the supercooled water changes into ice to form sherbet-like ice 11 in the thermal storage tanks 3.
    • 4. 发明专利
    • LOW TEMPERATURE LATENT HEAT ACCUMULATION SYSTEM
    • JPH07294171A
    • 1995-11-10
    • JP8447994
    • 1994-04-22
    • KYUSHU ELECTRIC POWERMITSUBISHI HEAVY IND LTD
    • KUROKAWA KEIJIHIDA YOSHINORITANII TADAAKI
    • F28D20/02
    • PURPOSE:To provide a low temperature latent heat accumulation system which can be applied to a facility of cold heat source for a cryogenic industry. CONSTITUTION:Cold heat generated by a brine chilling device 1 (a brine temperature is about -15 deg.C) is fed to a heat exchanger 4-1 within a heat accumulation tank 2 through a brine circuit 5-1. An inner side of the heat accumulation tank 2 is filled with heat accumulative material (water solution of ammonium sulfate) obtained by refining heavy oil ash of a fire plant, heat accumulative material 3 heat exchanged with the brine in the brine circuit 5-1 is condensed or solidified at about -15 deg.C so as to complete heat accumulating operation. In turn, cold heat accumulated in the heat accumulative tank 2 at night in this way is thermally radiated at daytime, only a thermal radiating operation is carried out from the heat accumulation tank 2. That is, the heat accumulating material (ammonium sulfate) condensed or solidified at night is gradually melted, brine in the brine circuit 5-2 is cooled under utilization of its melting heat (melting point is about -15 deg.C) and then cold heat is sent to a demand location.
    • 6. 发明专利
    • ICE HEAT ACCUMULATOR
    • JPH0798132A
    • 1995-04-11
    • JP24464493
    • 1993-09-30
    • MITSUBISHI HEAVY IND LTD
    • HIDA YOSHINORI
    • F24F5/00
    • PURPOSE:To form such a state that return water flows strongly in an ice heat- accumulating tank for a long time without flowing quickly to the side of expelling, by providing the jet of a cold-water return pipe at an upper underwater part in the ice heat-accumulating tank, pointing to horizontal direction. CONSTITUTION:The jet of a cold-water return pipe 5a is located at the upper part under a waterlevel 2, pointing to almost horizontal direction at one of the walls of an ice heat-accumulating tank 1. In this way, the cold-water return pipe 5a horizontally injects a jet stream 6 consisting of return water, pointing to ice lumps 3 in the ice heat-accumulating tank 1. The heat of the jet stream 6 is exchanged in the ice lumps 3 and melts the ice lumps 3. At the same time, the jet stream 6 peels the ice lumps 3 from the walls and takes the ice lumps 3 to pieces in the limits where the jet stream 6 diffuses. Since the jet stream with a higher temperature is in direct contact with the ice lumps, at the part with max. temperature difference, the jet stream effectively receives the latent heat of ice. Furthermore, since the jet injects the jet stream horizontally, an area where the jet stream is in contact with the ice lumps lengthens and since the jet stream takes the ice lumps in pieces, the contact area of the ice to water increases. In this way, the efficiency of heat accumulation is sharply improved.