VIBRATION SCREEN Russian patent published in 2011 - IPC B07B1/40 

FIELD: process engineering.

SUBSTANCE: invention relates to mining-and-processing equipment, namely, to loose materials grading to particle sizes and may be used in mining, metallurgy, etc. Proposed screen comprises box with sieves fitted on supports with flexible elements, box with screens having loading and unloading sections, vibrator and drive of said oscillating system. Screen incorporates frame to accommodate vibrator that is mounted on the box to be transferred in steps from oscillating system center of masses toward box loading or unloading sections. Box has openings to secure frame with vibrator at different positions. Screen is equipped with four carriages with nuts to lift and down the frame in readjustments that are fitted in frame slots and locked therein.

EFFECT: higher quality of loose material separation, easier screen readjustment.

7 dwg