| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for eliminating a bridge generated inside a gasification furnace.SOLUTION: A gasification furnace 20 having an inner cylinder 23, supplying a solid raw material 5, in the upper part of an outer cylinder 21 comprises: an agitating member 31 which is inserted into the inner cylinder 23 and whose longitudinal direction is a same direction as the vertical direction of the gasification furnace 20; and a drive part 32 which raises and lowers the agitating member 31 between a standby position X separated from the solid raw material 5 deposited in the inner cylinder 23 and prescribed positions Y, Z in the solid raw material 5 inside the gasification furnace 20 located lower than the standby position X. The drive part 32 is provided with a rotational drive part 36 which rotates the agitating member 31 around an agitating member shaft during bridge elimination movement of lowering the agitating member 31. |
