FIELD: mining.
SUBSTANCE: proposed hammer comprises casing (1) with inlet and outlet pipes (2) and (3), working chamber (15), inner rotor (4) with rotary pump blades (5) and cylindrical ring (6). Slotted diffusers (8) are arranged over the edges of cylindrical ring (6). Outer rotor (10) of countercurrent rotation concentrically covers the inner rotor (4). Outer rotor (10) is equipped with confusers (13) arranged over edges of its cylindrical ring (11). Said hammer is equipped with extra cylindrical rings (7, 12) on inner and outer rotors with diffusers (9) and confusers (14) arranged over their edges. Cylindrical confusers on outer rotor feature smaller diameter compared with cylindrical ring diffusers on inner ring. Extra effects of hydraulic shock on ground material in one pass and series of resonance loads in compression-rarefaction cause fast destruction of grinding material particles.
EFFECT: perfected operating performances.
1 dwg
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