EXTRACTION OF MINERAL RESOURCES BY LARGE BLOCKS FROM VEIN TYPE DEPOSITS BY CUTTING ALL LONGITUDINAL AND CROSS-SECOND WHEELS WITH HYDROABRAZING JETS OF WATER OF SUPER-HIGH PRESSURE IN THE SURFACE MOUNTAIN MASSIVE OF VEIN Russian patent published in 2018 - IPC E21C41/16 E21C45/04 E21C25/60 

Abstract RU 2657557 C1

FIELD: mining.

SUBSTANCE: invention relates to the field of underground mining of minerals containing precious or semiprecious stones or metals and hollow or steep incidence of veins. Method includes extracting a useful mineral by cutting it out of the bottomhole massif in large blocks using hydraulic cutting machines and hydromonitor type actuators equipped with cutting heads and mixing chambers with abrasive water and connected through metal tubes, on which they are rigidly fixed, with a water supply hose coming from multipliers, giving the water ultra-high pressure. When mining a fossil, cutting all the cracks in the array is done only by a hydro-cut method with a stationary machine with multipliers. Only the tool moves with cutting heads mounted on the carriages, which are able to move before the cleaning face of the workpiece along the horizontal and vertical guides. Abrasive is fed into the hydro-cutting head through a hose from a fixed hopper with an abrasive located directly in the cutting zone.

EFFECT: increases the productivity of the mining enterprise.

1 cl, 3 dwg

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RU 2 657 557 C1

Authors

Kariman Stanislav Aleksandrovich

Dates

2018-06-14Published

2017-02-15Filed