| 摘要 |
PURPOSE:To perform partial heating of water and to perform boiling work with high efficiency by efficiently heating water by utilizing flue gas and partially ejecting hot water in a boiling device. CONSTITUTION:A flue 8 communicated with a combustion chamber 6 is passed through a reservior 9, and a heating tube 21 is provided at the flue 8, and both ends of the heating tube 21 are communicated with the reservior 9. The combustion chamber 6 is installed underneath a kettle 1. A through hole 12 is pierced at the desired position on the bottom 11 or side part of the kettle 1. A second heating tube 14 communicated with a drain 16 is provided between the kettle 1 and the combustion chamber 6. The through hole 12 is communicated with the second heating tube 14 through a communication tube 13. |
