| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell co-generation device heating and starting a fuel cell by heat generated in a system by arranging a hot water storing bypass circuit made to bypass a hot water tank on a heat accumulation circuit having a plurality of heat collection-exchanging devices collecting the heat generated in a system, and storing the hot water in the hot water tank while forming a temperature gradient therein. <P>SOLUTION: The fuel cell co-generation device is composed of a hot water storing/circulating circuit 9 constructed by successively piping and connecting a hot water tank 10, a circulation pump 11, a cooling heat collecting heat exchanging device 5 arranged at a cooling circuit 6 of the fuel cell 1, an exhaust gas heat collecting heat exchanging device 18 collecting the heat of the exhaust gas of a hydrogen generating device 17; a hot water storage bypass circuit 19 bypassing the hot water tank 10; a circuit switching means 20a, 20b switching the hot water storage bypass circuit 19; a temperature detecting means 16a of the fuel cell 1; and a control device 15 switching the circuit switching means 20a, 20b in compliance with the signal of the temperature detecting means 16a of the fuel cell 1. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
