Nanometer metal powder grading equipment and nanometer metal powder grading method

The invention relates to the technical field of nano-metal powder production, and particularly discloses nano-metal powder grading equipment and a nano-metal powder grading method.The nano-metal powder grading equipment comprises a grading wheel, a feeding port, an electron emission assembly and a c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PEI SILU, MAO YAOQUAN, GUAN XIAONA, WANG LIXIN
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 invention relates to the technical field of nano-metal powder production, and particularly discloses nano-metal powder grading equipment and a nano-metal powder grading method.The nano-metal powder grading equipment comprises a grading wheel, a feeding port, an electron emission assembly and a carrier gas inlet, and the carrier gas inlet is located in one side of the grading wheel; a driving assembly is arranged at one end of the grading wheel and used for driving the grading wheel to rotate, a fine powder outlet is formed in the other end of the grading wheel, an electrode is arranged in the grading wheel and located at the axis of the grading wheel, and an electrostatic field is formed between the electrode and the grading wheel; the nano metal powder grading method comprises the following steps that P1, the grading wheel is started through the driving device, gas is introduced through the carrier gas inlet, the grading wheel and the electrode are communicated with a power source, and the electron emiss