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2 484 905

(13)

(51)

IPC

B07B1/46(2006-01-01)

(21) (22)

Application

2011125741/03, 2011-06-22

(24)

Start date

2011-06-22

(22)

Actual filing date

2011-06-22

(45)

Published

2013-06-20

(72)

Inventor

Blekhman Il'Ja IzrailevichVajsberg Leonid AbramovichIvanov Kirill SergeevichTrofimov Viktor AlekseevichUstinov Ivan Davydovich

(73)

Holder

Nauchno-Proizvodstvennaja Korporatsija

VIBRATING SCREEN FOR SIZING SOLID HOUSEHOLD WASTES Russian patent published in 2013 - IPC B07B1/46

Abstract RU 2484905 C2

FIELD: process engineering.

SUBSTANCE: invention relates to treatment of solid household wastes and may be used at refuse processing plants etc. Proposed screen comprises box, vibroexciters and working surface composed of several horizontal tiers. Every ties is made up of transverse bearing beam and parallel wedge-like fire plates attached thereto by their one end, their opposite end being free. Fire-bar plate of every tier form screening clearance between them. Physical parameters of plates are selected to ensure plate free oscillation frequency complying with the condition 1.05 f_for<f_f<1.20 f_for, where f_f is frequency of said free oscillations, f_for is frequency of forced oscillations of the plates.

EFFECT: higher efficiency of screening and effect of screening surface self-cleaning.

2 dwg, 1 tbl

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Authors

Blekhman Il'Ja Izrailevich

Vajsberg Leonid Abramovich

Ivanov Kirill Sergeevich

Trofimov Viktor Alekseevich

Ustinov Ivan Davydovich

Dates

2013-06-20—Published

2011-06-22—Filed