| 摘要 |
A bottom burner comprises a gas collector placed in slot of the boiler bottom and air chamber placed under the slot. In the outlet end of the slot an outlet window is arranged. Along whole length of the collector, in cross direction with respect to its long axis, air tubes are placed, with openings in side surfaces provided within the boundaries of the collector. Gas collector is installed with gaps with respect to the walls of the slot. Length of outlet ends of air tubes out of the boundaries of the collector is not less than the length of air tubes within collector. In the air tubes out of the collector openings are provided in front of the walls of the slot. Total area of cross section of the gaps in the slot is not less than total area of cross section of output ends of air tubes. Outlet ends of the tubes are closed with plugs. |
