| 摘要 |
A device for reducing the emission of the dust and gaseous pollution on the battery of a coke oven, which oven has a suction hood, characterised in that the hood (2) has a mobile suction head (1) composed of a series louver components (3) suspended on tension members (4) with permanent lengths, moving on fixed rollers (5) fastened to a rectangular frame (6) from the bottom.<IMAGE>
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