| 摘要 |
PURPOSE:To improve the efficiency of a taking-out operation by attaching a gate valve to the bottom of a vacuum vessel can be taken out in the vacuum state. CONSTITUTION:This device 12 for taking out the deposits accumulating in the vacuum vessel 8 consists of the gate valve 17 which is attached via an expandable and contractable bellows 16 to the bottom of the vacuum vessel, the collecting box 19 which is removably attached to the lower part of the valve 17 and is evacuated to a vacuum and a funnel 15, etc. The funnel 15 is provided to the inside of the bellows 16 and the bottom end 15a thereof the valve 17 when the bellows 16 is contracted. |
