| 摘要 |
PURPOSE:To efficiently perform those operations of transferring, charging and recovery of low heat source medium in safety by providing a bypass line which passes through the inside of a low boiling point medium storage tank and which has stop valves at the opposite ends thereof and flowing the low heat source medium to cool the low boiling point medium. CONSTITUTION:Before a power generating system is actuated, low boiling point medium such as ammonia or the like is stored inside a storage tank 20. For said storing, stop valves 21a and 21b are opened to operate a pump 9 and LNG or so, that is, low heat source medium is allowed to flow through a bypass line 21 to cause the pressure inside the tank 20 negative, having said fluid automatically run into it from a transfer line 22. For the duration of charging the system with the low boiling point medium, small amount of ING is fed to cool the tank 20 so as to prevent the tank 20 from being damaged due to excessive boost in pressure inside it. In case of inspection of the system required by its abnormal operation or other reasons, LNG is sent through the bypass line 21 to cause the pressure inside the tank 20 negative in the similar manner as above so as to automatically recover the low boiling point medium. The low boiling medium may be thereby stored or recovered efficiently in a safe manner. |
