Apparatus for the mixing of fluids, in particular pasty media an

Agitating – Stirrer within stationary mixing chamber – Mounted in removable mixing chamber closure

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366343, 366 98, 416 91, B01F 728

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active

050372092

ABSTRACT:
A stirring mechanism, with a plurality of hollow, at least partially conically shaped stirring elements, which are provided with two openings, are symmetrically offset and are fixed on the stirring shaft (2) at least approximately tangential to an imaginary circular cylinder coaxial to the stirring shaft.
In the starting phase, the stirred substance flows laminarly through the stirring elements 8. However, as soon as they have reached a predetermined minimum velocity of about 1.3 m/s, the flow inside the stirring elements 8 is forced to reverse by dynamic pressure. The resultant counterflow (11, 12, 13) brings about an outstanding, extensive and nevertheless extremely gentle stirring effect with low power consumption. Also, an effective and uniform gassing can be obtained with simple means, without the stirring velocity having to be increased.

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Ruhrtechnik (Stirring Technology), Hanspeter Wilke, Christain Weber, Thomas Fries, Dr. Alfred Huthig, Verlag Heidelberg, 1988.

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