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Pollution prevention equipment and pollution prevention method for dredging work
Pollution prevention equipment and pollution prevention method for dredging work
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机译：疏dr工程的防污染设备及防污染方法
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摘要
PROBLEM TO BE SOLVED: To solve the problem that, while conventionally a barge is provided with a sediment fall prevention plate in order to prevent excavated sediment and muddy water from falling to a gap between a pollution prevention frame installed on the sea and the barge, seawater is polluted by the falling of the excavated sediment and the muddy water since the barge and the pollution prevention frame are sometimes separated exceeding the protection range of the sediment fall prevention plate.;SOLUTION: A pollution prevention device for dredging work of this invention includes: a barge side floating body arranged on the barge side and a pollution prevention frame side floating body arranged on the pollution prevention frame side, that are interposed between the barge and the pollution prevention frame; energizing means for energizing the barge side floating body and the pollution prevention frame side floating body in the direction of separating from each other at all times; and a pollution prevention sheet whose one end is fixed to the barge side floating body and other end is made to go over the pollution prevention plate side floating body and the pollution prevention frame and is then suspended inside the pollution prevention frame, for covering a gap between the barge and the pollution prevention frame.;COPYRIGHT: (C)2012,JPO&INPIT
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