CONICAL VIBRATION SCREEN Russian patent published in 2013 - IPC B07B1/22 

Abstract RU 2478443 C1

FIELD: process engineering.

SUBSTANCE: invention relates to screening rocks and construction materials, crushing and sorting jobs, and screen sizing of construction materials. Conical screen comprises drum, drive, loader and unloader. Drum is composed of multistart multisection helical taper surface made up of sections connected in turns by perforated equilateral and isosceles triangles with equal lateral sides while isosceles triangle bases exceed the length of their sides. Note here that said sections are interconnected by free sides. Quantity of perforated equilateral and isosceles triangles in a section should be even to equal, at least, six, without spread limitation to form three, four, five etc broken helical lines of main direction on edges of screening surface with pitch varying from loading to unloading, and three, four, five etc helical broken groove of main direction with pitch varying from loading to unloading, and three, four, five etc broken screw lines of opposite direction with pitch varying from loading to unloading, and three, four, five etc broken screw grooves of opposite direction inside screening surface with pitch increasing from loading to unloading. Screening surface is mounted on the frame suspended by rubber cord air cylinders at the bed.

EFFECT: expanded performances and higher efficiency.

4 dwg

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RU 2 478 443 C1

Authors

Taratuta Viktor Dmitrievich

Serga Georgij Vasil'Evich

Dates

2013-04-10Published

2011-09-13Filed