Polycrystalline silicon lump material selection device and selection method

The invention discloses a polycrystalline silicon lump material selection device and selection method, and relates to the field of polycrystalline silicon production equipment. The polycrystalline silicon lump material selection device comprises a feeding pipe, a first-stage conveying mechanism capa...

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Bibliographische Detailangaben
Hauptverfasser:	BAO SHOUZHEN, DING XIAOHAI, CAI YANGUO, YANG MINGCAI, ZONG BING
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 POSTAL SORTING 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 SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTEDPIECE-MEAL, e.g. BY PICKING TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention discloses a polycrystalline silicon lump material selection device and selection method, and relates to the field of polycrystalline silicon production equipment. The polycrystalline silicon lump material selection device comprises a feeding pipe, a first-stage conveying mechanism capable of conducting magnetic separation, a feeding pipe, a second-stage conveying mechanism, a third-stage conveying mechanism and a collecting box; a winnowing mechanism is installed in the feeding pipe, the outlet end of the feeding pipe is in butt joint with the output end of the first-stage conveying mechanism, and the output end of the first-stage conveying mechanism is in butt joint with an inlet of the feeding pipe; electrodes which are symmetrically distributed are mounted in the feeding pipe; the second-stage conveying mechanism and the third-stage conveying mechanism are symmetrically arranged, and the input end of the second-stage conveying mechanism and the input end of the third-stage conveying mechanism