FIELD: mining.
SUBSTANCE: claimed device comprises inlet converging pipe 1 and density meter 2. Additionally, this device comprises turbulence promoter 3, U-like pipe 4, outlet diverging pipe 5, vacuum sampler 6, analyser 7 of element composition, volumetric flow meter 8, discharge valve 9 and control device 10. Inlets of control device 10 are connected with outlets of volumetric flow meter 8 and density meter 2. Outlets of control device 10 are connected to control inlets of vacuum sampler 6 and discharge valve 9. Note here that turbulence promoter is arranged between the inlet converging pipe and U-like pipe downtake. Note also that volumetric flow meter and density meter are mounted at the U-like pipe riser. Said vacuum sampler and discharge valve are arranged at U-like pipe lower part.
EFFECT: higher reliability and accuracy of control.
2 cl, 2 dwg
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