1.pump sand and mud 2.wear-resistant, 3. ... of filtering , extracting , separating, washing , classifying and put our qualified products directly. Our experienced engineers will ... dredge of silt, ore pulp, coal liquid, river, port and so on. Working conditions 1.Power supply : ... Application: 1.Absorb the sand in the river, lake and sea.2.Absorb the silt and sand in the river, lake, sea, reservoir , pound ...