发明名称 Disused open cast mine flooding unit, comprises flooding or siphon pipe with large area distribution system at outlet region
摘要 An arrangement for flooding open cast mines, which turn into lakes after mining has finished, comprises a flooding or siphon pipe with a large area distribution system at the outlet region. The flooding or siphon pipe has an associated mobile conditioning unit for solid and/or liquid neutralizing agents. The unit has pH and volume measurement units and a control unit.
申请公布号 DE20302907(U1) 申请公布日期 2003.05.08
申请号 DE2003202907U 申请日期 2003.02.22
申请人 ETA AG 发明人
分类号 E21C41/32;(IPC1-7):E21C41/32 主分类号 E21C41/32
代理机构 代理人
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