DEVICE FOR HYDRAULIC BOREHOLE MINING OF MINERALS Russian patent published in 1998 - IPC

Abstract RU 2111359 C1

FIELD: devices for hydraulic borehole mining. SUBSTANCE: device includes standpipe with channels for supply of water and pulp lifting, jet nozzles, jet pump and suction chamber with ports in form of longitudinal slots. Installed on connectors between slots are pointed pins and additional jet nozzles are installed on lower end of standpipe. EFFECT: higher efficiency. 3 dwg

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RU 2 111 359 C1

Authors

Zhuravlev Ju.P.

Natfullin K.G.

Chajkin V.G.

Dates

1998-05-20Published

1995-04-03Filed