| 摘要 |
1. The timbering device for constructing a fire-proof shield in shaft furnaces has a frame structure, equipped with a working platform suspended on a cable suspension gear in the furnace shaft, so that it can move vertically inside the shaft. Characterized in that: It consists of separable segments (1), preferably four, connected with each other to form a cylinder and equipped with adhesive vibrators (9), located opposite to each other.
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