| 摘要 |
PURPOSE:To enable sweeping on a vertical wall face and floor through single device by employing an approximately triangular plate extending obliquely downward from the sideface toward the center in lateral direction at the upper face connecting section between a projection path and a collection hood while making a lateral opening through said sideface. CONSTITUTION:The connecting section between a projection path and a collection hood is formed with an approximately triangular plate 12 extending obliquely downward toward the center in lateral direction of said connecting section. A sideboard 11 is cut along the edge of said plate 12 to make a lateral opening 13. Under this state, a member projected from a rotor will collide against the sideboard of said path and directed toward the lateral opening 13 to sweep the vertical wall face of tank and reflect to the floor face then enter into a collection hood and return to a hopper. When sweeping the floor face of tank, a blind board 14 is fixed to the lateral opening 13 to regulate the position of window for feeding the projection member to the rotor 3 then a projection member is projected through a projection port 5 facing with the floor face thus to sweep the floor face.
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