Preliminary screening device for crops

The utility model discloses a crop preliminary screening device in the field of crop screening, which comprises a screening box body, a magnetic adsorption shell is integrally formed at one corner of the upper part of the screening box body, a supporting shaft is fixedly connected to the inner wall...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	LIU ZHENGSHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS 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 SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS SORTING TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model discloses a crop preliminary screening device in the field of crop screening, which comprises a screening box body, a magnetic adsorption shell is integrally formed at one corner of the upper part of the screening box body, a supporting shaft is fixedly connected to the inner wall of the magnetic adsorption shell, a rotating motor is connected to one side wall of the magnetic adsorption shell through a screw, and the rotating motor is connected to the other side wall of the magnetic adsorption shell through a screw. Two conducting rings are fixedly embedded in the outer circle face of the supporting shaft, and a rotating sleeve is rotationally connected to the outer wall of the supporting shaft. The rotary sleeve can be driven to rotate through the rotary motor, then the magnet adsorption block can be driven to rotate, after the magnet adsorption block above the filter screen adsorbs iron impurities, the iron impurities can be rotated to the position above the collecting box body, meanwhile,