RAKE DEVICE, DUST-REMOVING DEVICE, DUST-REMOVING EQUIPMENT AND METHOD FOR OPERATING DUST-REMOVING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a rake device that hardly drops dust when taking up dust caught in a screen.SOLUTION: A rake device 7 that takes up dust 3 accumulated in a screen 6 for removal comprises a movable body 16 supported and guided by the screen 6 to freely go up and down and a fork device 17 for holding the dust 3. The fork device 17 has first and second forks 21 and 22 installed in the movable body 16, and the fist fork 21 can be freely opened/closed in a swingable manner on the upstream side of the screen 6, and the second fork 22 can move between the opposing position B of facing the first fork 21 closed from the downstream side and the retreat position of retreating from the first fork 21 closed.SELECTED DRAWING: Figure 4