| 摘要 |
PURPOSE: A micro hydrocyclone for polluted soil selection, multi-stage micro hydrocyclone for sorting polluted soil using the same and a polluted soil screening method using the same are provided to efficiently and economically purify the polluted soil. CONSTITUTION: A micro hydrocyclone for polluted soil selection(1) comprises an inlet pipe(100), a body(200), an outlet(300), and a discharge pipe(400). The polluted soil is transferred through the inlet pipe. The body is connected to the inlet pipe, and the polluted soil flown in through the inlet pipe is sorted based on the fixed diameter. The discharge pipe is connected to the body in order to discharge the polluted soil having the diameter less than the fixed particle diameter. The multi-stage micro hydrocyclone for sorting the polluted soil includes a plurality of micro hydrocyclone for sorting polluted soil which is serially connected and one or more valves. In the plurality of micro hydrocyclones for sorting the polluted soil, the lead inlet pipe and the followed inlet pipe are connected to each other. One or more valves are respectively installed in the discharge pipes.
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