Sand-washing technique of slate flour
A process method and sand washing technology, applied in the field of stone powder sand washing, can solve problems such as environmental hazards, destruction of ecological balance, natural landscape, and environmental pollution
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[0011] The process method of the stone powder sand washing of the present invention is realized in this way, and the process method of producing stone powder sand washing includes the following steps:
[0012] (1) The wastes containing dust, fine sand and coarse sand selected from the quarry are screened and washed to separate fine sand, mud powder and water;
[0013] (2) Send the separated coarse sand to the crusher for crushing with water;
[0014] (3) After crushing, screening and washing are carried out again, and the coarse sand screened out is returned to the entrance of the crusher and crushed again. The sand, mud powder and water washed by the second screening and washing are the same as the sand and water washed in the first screening and washing. Separate the mixture of mud powder and water together;
[0015] (4) The mixture of sand, mud powder and water flowing into the separator, the sand with a high specific gravity sinks and floats downwards, is discharged from the b...
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