DEVICE FOR SCREENING LOOSE MATERIALS

FIELD: separation of rock mass by fractions; screening of crushed stone, gravel, ore, coal. ^ SUBSTANCE: proposed device includes immovable cases located on frame and longitudinal drive axles with polyhedral disks mounted on them for forming chute-type screening surface. Device is additionally provi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SEMIN ALEKSANDR VIKTOROVICH, GRUZDEV SERGEJ VIKTOROVICH, KONDRAT'EV ALEKSANDR VLADIMIROVICH, KOCHKANJAN SEJRAN MIKAELOVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL PERFORMING OPERATIONS SEPARATING SOLIDS FROM SOLIDS SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS SORTING TRANSPORTING
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Beschreibung
Zusammenfassung:	FIELD: separation of rock mass by fractions; screening of crushed stone, gravel, ore, coal. ^ SUBSTANCE: proposed device includes immovable cases located on frame and longitudinal drive axles with polyhedral disks mounted on them for forming chute-type screening surface. Device is additionally provided with screw feeder mounted on frame along chute above disks of drive axles; drive axles with disks and immovable cases are located over circumference which is concentric relative to circumference of screw feeder at spaced relation to it. Screening surface is divided in zones in way of motion of material; distance between adjacent disks in each subsequent zone in way of motion of material is increased as compared with distance of previous zone; distance inside each zone is constant. ^ EFFECT: increased productivity; improved quality of screening. ^ 2 dwg