| 摘要 |
PROBLEM TO BE SOLVED: To facilitate repair, maintenance, etc., by allowing burning fuel by using one or both of fuel gas and fuel oil as the fuel, and to suppress clogging of an oil nozzle with soot due to incomplete combustion of the fuel oil, when burning both the fuel gas and fuel oil simultaneously.SOLUTION: A gas nozzle 13 which jets fuel gas and an oil nozzle 16 which jets fuel oil are provided at different positions apart from an air nozzle 11 which jets air for combustion, and while the fuel gas is jetted from the gas nozzle 13 toward the air for combustion jetted from the air nozzle 11, the fuel oil is jetted from the oil nozzle 16. |
