Mixing element and motionless mixer

Agitating – Stationary deflector in flow-through mixing chamber – Curved deflector surface

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Details

138 37, 138 39, B01F 500

Patent

active

044667418

ABSTRACT:
A mixing element for a motionless mixer comprises a passage tube through which fluids flow and a helical blade formed in the passage tube so as to be integral therewith. The interior of the passage tube is partitioned by the blade to form a plurality of fluid passages. The blade extends from one end of the passage tube to the other in the longitudinal direction of the passage tube to be twisted helically clockwise (right-handed) or counterclockwise (left-handed). The corner portions of the fluid passages are rounded. The end edges of the blade are curved in the direction of the thickness and rounded. The motionless mixer is formed by alternately and longitudinally coupling right- and left-handed rotation type mixing elements. The mixing elements are so arranged that the facing end edges of the blades of each two adjacent mixing elements cross at right angles.

REFERENCES:
patent: 3424437 (1969-01-01), Shearer
patent: 3930485 (1976-01-01), Konomi
patent: 3953002 (1976-04-01), England, Jr.

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