Energy-saving and environment protection grate

The utility model relates to a grate for a coal-burning boiler, which is used for solving burning conditions, prolonging service life, saving energy, and protecting environment, comprising grate bars of different specifications, and grates of a plurality of styles, composed of fixing element, connecting pieces and driving elements. The utility model is characterized in that a grate body is composed of an intermediate section and side parts, wherein, the intermediate section comprises grate bars, a grate, side clamping plates, and a middle clamping plate, composed of a cylinder, a pull rod and a sleeve. The utility model can be widely used in various boilers and kilns.