To operate a plant continuously without interruption by resolving clogging by peeling and removing deposit sticking at an air jetting hole or near it of an air diffusion plate for stable and continuous combustion.
When combustibles are burned in a fluidized bed furnace, a water jetting pipe 46 is connected to a wind box 26 of the fluidized bed furnace for jetting water, and an air containing water droplet is jetted from an air jetting hole of an air dispersion plate 10, so that a deposit sticking to the air jetting hole or near it is peeled and removed under thermal impact. The combustibles is at least one of combustibles containing chlorine content, those containing chlorine content and alkaline metal compound or alkaline earth metal compound, and waste conversion fuel.
UOZUMI MASAHIRO
FURUBAYASHI KAZUO
MORIOKA SHUICHI
