Top-to-bottom mixer

Details Top-to-bottom mixer Top-to-bottom mixer

1978-03-23

1979-08-07

McCarthy, Edward J.

Agitating

Stirrer within stationary mixing chamber

Pump type

B01F 512

Patent

active

041636163

ABSTRACT:
A top-to-bottom mixer suitable for extending through a small opening in a closed top drum for mixing liquid. The mixer has a tube for extending axially downward into the drum. Since closed top drums in commerce have a maximum top opening of 2" pipe size, this mixer is additionally unique in that it will insert into this small opening.
The tube has a circumferentially located opening adjacent the lower end and a shaft extending concentrically into the tube, connected to a turbine at the bottom of the tube or other means for causing downflow. Four spaced inlet openings at the top are provided in the tube adjacent the upper end. The motor drive, connected to the shaft, rotates the shaft, creating a steady suction effect at the upper intake ports that draw liquid into the inlet openings adjacent the top of the tube and discharge it tangentially through the discharge opening at the lower end of the tube, thereby circulating the liquid in from the top to the bottom of the drum and discharging the liquid at the bottom in a jet-like, high-pressure blast the loosens, suspends and sets in motion, packed and settled mass, such as settled sludge.

REFERENCES:
patent: 3106383 (1963-10-01), Philipps

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