| 摘要 |
PURPOSE: A wide flame burner is provided to easily operate and maintain and to prevent the choking of a nozzle and the corrosion of a burner by intercepting the corrosive no-gas from flowing into a nozzle. CONSTITUTION: A burner producing wide combustion flame comprises:many first orifices(130); a first refractory nozzle having 0.25-0.33 of least wall thickness; a second refractory nozzle having same amount of second orifices as the amount of the first orifices; and refractory material placed between the first refractory nozzle and the second refractory nozzle. |
