FIELD: process engineering.
SUBSTANCE: invention relates to device for discharging fine or pulverised solid particles from reservoir. Device for discharging fine or pulverised solid particles from reservoir provided with discharge cone with double-layer walls and hole to feed gas thereto comprises annular chamber. Note here that cone inner wall has gas discharge holes. The latter feature larger size that major particles of discharged material and are provided with pipe or gas feed channel extending inside said annular chamber to make an element of catching devoice preventing extrusion of solid matter into annular chamber. Gas is injected tangentially into annular chamber to create vortex flow in said annular chamber and to swirl solid particles therein.
EFFECT: higher efficiency of discharging.
10 cl, 6 dwg
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