| 摘要 |
A tubulous boiler reducing the generation rate of nitric oxide by circulating combustion gas and lowering flame temperature is provided to perform the boiler design of a simple structure and support the gas circulation member in the inside combustor of the high temperature. A tubulous boiler includes a boiler main body(10), a steam drum(20), a water drum(30), a plurality of water pipes(40), and a burner(50). The boiler proper member of a combustion chamber is equipped in inside. An exhausting unit is equipped in one side. The steam drum comprises the vapor outlet which ejects the steam vapor to outside while being equipped on the top of the boiler proper member. The water drum comprises the water inflow part it is equipped in the lower unit of the boiler proper member. |
