Double layer capstan

The utility model is composed of a capstan (1), a grate (2), and the wrench (3) of the capstan. The capstan (1) is positioned on the upper part of the grate (2), and the wrench (3) of the capstan is sheathed on the radial cylinder, ellipse, column, or cuboid wrench post (12) of the outer circular-shaped rib (13) of the capstan (1) during the removal of ash. The center of the capstan (1) is provided with a convex axis (14), and the center of the grate (2) is provided with a throughhole (22). The convex axis (14) arranged on the capstan (1) assembles with the throughhole (22) arranged on the grate (2) to form the double layer capstan type grate. The double layer capstan type grate is positioned on a support arranged on a furnace wall inside of a furnace cavity. During the removal of ash, the capstan wrench is sheathed and is rotated with arbitrary angle for removing the ash. The utility model has the advantages of convenience, science, economy, no leakage for red coal, high thermal efficiency, and energy saving, and the utility model can be widely applied to any stoves and accessories.