APPARATUS AND METHOD FOR SCREENING POWDERS

The invention relates to a screening device and a method for screening powders. The device comprises a screening space comprising a first chamber and a second chamber, which chambers are arranged adjacent and have a common partition wall. The device comprises a screen which is placed obliquely or ve...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	VEROUDEN, Franciscus Quirinus Fredrik
Format:	Patent
Sprache:	eng
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:	The invention relates to a screening device and a method for screening powders. The device comprises a screening space comprising a first chamber and a second chamber, which chambers are arranged adjacent and have a common partition wall. The device comprises a screen which is placed obliquely or vertically in the screening device, wherein the screen forms at least a part of the common partition wall. The first chamber comprises a raw material inlet, a drive gas inlet, a float gas unit, and a residual particle outlet. The second chamber comprises a product material outlet and a rotatable blade, wherein the blade comprises nozzles which are configured for blowing gas against the screen. In addition, the invention relates to an assembly comprising a first and second screening device, wherein the product material outlet of a first screening device is connected to the raw material inlet of the second screening device.