在疏浚工程施工中,施工地区常夹有石块、铁块、树桩等杂物,特别是在护岸或旧水工建筑物基础附近地区,这些杂物就更多。在使用绞吸式挖泥船施工时,如果这些杂物进入泥泵,就会使泥泵堵塞,轻则使泥泵工作不正常,重则造成严重机损事故,而且要清除这些障碍物,值班人员必须将泥泵停车检修,才能将障碍物排除。这一过程一般需 In the construction of dredging, the construction area often contains stones, iron blocks, tree stumps and other debris, especially in the area near the foundation of revetments or old hydraulic structures. In the use of cutter suction dredger construction, if these debris into the mud pump, it will clog the mud pump, ranging from the mud pump is not working properly, causing heavy machine damage, but also to remove these obstacles, Duty officers must mud pump parking maintenance, in order to exclude obstacles. This process is generally required