| 摘要 |
The invention relates to a stepped grate structure, especially a stepped pivoting grate, which is provided with suspended sidewall plates having articulated, pivoting grate bars and stationary sidewall plates, on both sides of the grate arrangement. According to the invention, provision is made for the sidewall plates (36) to be cooled with air on the rear side, this air being heated and thereafter being blown in as combustion air both below the grate bars and above the grate bars. <IMAGE> |
