FIELD: mining, particularly to develop deep seated mineral deposits characterized by non-uniform strength and including heavy minerals.
SUBSTANCE: device comprises inner movable pressure string with hydraulic monitor head 2 connected to string end, as well as outer pulp discharge pipe 3 having telescopic lower part 4 with receiving orifice 5. Pressure string 1 is rigidly connected to lower part 4 of the pipe 3. The device also has rotary barrel 6 having hydraulic monitor head 7 and eccentrically connected with pressure string by means of side hinge 8. The pressure string comprises axial hinge 9 arranged over side hinge 8 and below pulp discharge pipe 3-4.
EFFECT: increased output.
6 cl, 2 dwg
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