FUEL CELL WASTE HEAT-USED HEAT SUPPLY SYSTEM

PROBLEM TO BE SOLVED: To provide a heat supply system capable of preventing the freezing of hot water in a circuit connected to an external device by the effective use of waste heat, and also preventing the breakage of a fuel cell caused by a rise of hydraulic pressure accompanied by an increase in...

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Bibliographische Detailangaben
Hauptverfasser:	TERADA KAZUHIKO, ENDO HIROYUKI, HORIKAWA YASUAKI, ABU LITI, TAKAHASHI YOSHIKI, AKAHIRA AKIRA
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING CLEANING BEACHES CLEANING OF PERMANENT WAYS CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES DISPERSING DOMESTIC HOT-WATER SUPPLY SYSTEMS DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS ELECTRICITY ELEMENTS OR COMPONENTS THEREFOR FIXED CONSTRUCTIONS FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL FOG IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY RANGES STREET CLEANING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a heat supply system capable of preventing the freezing of hot water in a circuit connected to an external device by the effective use of waste heat, and also preventing the breakage of a fuel cell caused by a rise of hydraulic pressure accompanied by an increase in the volume of a hot water circulation pump. SOLUTION: The heat supply system 10 includes: a cogeneration system 6 including a heat recovery heat exchanger 1; a heat supply heat exchanger 3 which supplies heat to an external device 7 by antifreeze liquid which receives heat from the heat exchanger 1; and a control device 17 which forms a bypass passage bypassing a snow melting heat supply heat exchanger 14 by opening flow passage selector valves 181, 182, 184 and 187 and closing flow passage selector valves 183, 185, and 186. COPYRIGHT: (C)2010,JPO&INPIT