Motionless mixer and method for manufacturing the same

Details Motionless mixer and method for manufacturing the same Motionless mixer and method for manufacturing the same

1990-12-27

1994-05-17

Hornsby, Harvey C.

Agitating

Stationary deflector in flow-through mixing chamber

Curved deflector surface

366340, 138 37, B01F 506, F15D 102

Patent

active

053121856

ABSTRACT:
Holes are formed in boundary portions of a blade member between first blade sections which are spirally twisted in a clockwise direction, between second blade sections which are spirally twisted in a counterclockwise direction and/or between the first and second blade sections thereof. Thus, the blade sections are joined to each other at portions lying on both sides of the hole. That is, the first and second blade sections are joined at two points or on both side portions and therefore the mechanical strength of the blade member is high.
When the fluid passes from the first blade section into the second blade section or passes the boundary portion between the first or second blade sections, it passes the hole formed in the central portion. When the fluid flows along the spiral fluid path, it flows with a turning movement and moves between the center and the side wall of the tubular member. The fluid near the side wall of the tubular member is interrupted by the boundary portion formed in contact with the internal surface of the tubular member and it receives a shearing force. Then, the fluid is divided and passes the hole at the center. Thus, the high efficiency of mixing can be obtained.

REFERENCES:
patent: 1741019 (1929-12-01), Harrington
patent: 2864405 (1958-12-01), Young
patent: 4222672 (1980-09-01), Shaw
patent: 4767026 (1988-08-01), Keller
patent: 4850705 (1989-07-01), Horner
patent: 4902418 (1990-02-01), Ziegler

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