| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a heat exchanger breakage detecting device capable of accurately discriminating the breakage of a heat exchanger of a water heater, a cogeneration system and the like. <P>SOLUTION: This heat exchanger breakage detecting device 10 using a heating device 1 wherein primary circulating flow channels L1, L2 having supply means 70, 80 for supplying a heating medium on the flow channels and circulating the heating medium, and a secondary flow channel H for allowing the heating medium to flow in a high-pressure state through heat exchangers 61, 64, has a heating medium recovering part 21 for recovering the heating medium overflown from the supply means 70, 80, the heating medium recovering part 21 comprises a heating medium discharge part 23 for discharging the heating medium flowing from the supply means 70, 80 to the external with a specific flow rate as an upper limit, and an accumulation quantity detecting sensor 22 for detecting the accumulation quantity of the heating medium in the heating medium recovering part 21, and the breakage of the heat exchanger is discriminated when the accumulation quantity detecting sensor 22 detects the accumulation of the heating medium of a specific quantity or more. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
