Crown-drilling pumping sand:
Small drilling style pumping sand is a heterogeneous sand pumping equipment, it is higher than pumping sand and shoot suction cutter suction pump sand using relatively low surface
Drilling style pumping sand is mainly used in the surface of the sand layer thick mud layer, through the drill pipe and drill pipe drill mud will suck the sand layer below the go, thus avoiding the problem of high-pressure pumps can not afford the red mud layer, so as to solve some of the lakes such as lake, Luoma and other large lakes of mud layer below the difficult problem of sand mining
Small drilling under the general formula pumping sand pumping in 5--20 meters depth, yield ranging from 20 cubic meters / hour --1,000 cubic meters / hour
Hull are generally three floats, easy and stable hull
Power are generally more powerful diesel engine or generator set, pumping sand pump is pizhou Shijiazhuang pump or pumps,
Drilling style pumping sand general manufacturing period is longer, a small drilling type can be processed pumping sand 15-20 days to complete, while large pumping sand drilling type requires 45 days or even months to complete
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