Complex mixing device for dispersion of gases in liquid

A mixing device, especially for a fermenter, capable of dispersing gas in a broth therein, in which a number of propeller mixers are provided on a vertically extending shaft. The lower propeller mixer is a gas dispersing mixer having a hollow hub and open channels on the blades extending from this h...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KORDIK, GABRIELLA, KOZMA, LASZLO, PUSZTAI, SANDOR, SANTHA, GYOERGY, BARTHO, ISTVAN, FEDER, MIKLOS, GERGELY, KAROLY, MAKADI, BELA, CSEKE, ZALAI, KOVATS, BESZEDICS, GYULA, KASZAS, MIHALY
Format:	Patent
Sprache:	eng
Schlagworte:	MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL TRANSPORTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A mixing device, especially for a fermenter, capable of dispersing gas in a broth therein, in which a number of propeller mixers are provided on a vertically extending shaft. The lower propeller mixer is a gas dispersing mixer having a hollow hub and open channels on the blades extending from this hub and tapering outwardly. At least one intermediate propeller mixer has some blades shorter than others and of reverse flow direction, some blades having baffle bars on trail edges thereof. The upper propeller mixer has the longer blades without channels and flow modifying elements.