| 摘要 |
PURPOSE:To supply nitrogen gas for blowing down or purging in starting or stopping a fuel cell power generation plant, and improve the power generation efficiency of the power generation plant. CONSTITUTION:A water tank 1a of a vaporizer and a liquid nitrogen storage tank 4 are connected with each other through pipings 5, 6, the pipings 5 are connected with a line 7 for pressurizing the liquid nitrogen storage tank, and the pipings 6 are connected with a supply line for another system. On the other hand, an electric heater 2 and a heating body 3 including a cartridge type heat generating agent changeably contained for performing heating reaction by contact with air are installed inside the water tank 1a, and the heat generating agent 3 is connected with an air supply system 13 through a shielding valve 12. |
