DOWNHOLE HYDRAULIC MINING UNIT Russian patent published in 2021 - IPC E21C45/00 

FIELD: mining industry.

SUBSTANCE: invention relates to mining and can be used in the development of mineral deposits by the method for borehole hydraulic extraction for the development of deposits of high-value minerals. The borehole hydraulic extraction unit includes an upper well head connected to the lower well head by a water duct with pulp intake holes and a hydraulic elevator head, inside of which there is a pulp duct with a mixing chamber, at least one hydraulic monitor, whose cavity is connected to the duct cavity, a water pipe, whose cavity is connected to the cavity of the hydraulic elevator, and a waste rock collector made in the form of a cup with at least one row of receiving windows. The water pipe is provided with a tip with nozzles, and the waste rock collector with a hinged spring-loaded accumulator with flushing holes. The waste rock collector is connected to the head of the hydraulic elevator, on which, in turn, a water pipe is installed. The glass under the row of receiving windows is covered by an elastic cuff, and the nozzles of the water pipe are placed under the hinged spring-loaded accumulator and directed at it.

EFFECT: reduction of losses of a useful, extremely valuable, fossil is provided.

13 cl, 10 dwg