Device for the preparation of dispersions

Details Device for the preparation of dispersions Device for the preparation of dispersions

1983-03-28

1985-07-16

Coe, Philip R.

Agitating

Having specified feed means

Plural related feeders having separate outlets to mixing...

366157, 366317, B01F 1502

Patent

active

045293210

ABSTRACT:
The present invention relates to a process and a device for the preparation of fine and uniform dispersions of a divided product in a liquid. A powder and a liquid are fed at a constant flow rate into the device at separate points, and are instantaneously and independently brought up to speed and then brought into contact with each other in a dynamic manner. The process is carried out by means of a turbine composed of at least two non-continuous parts which do not allow the products to return to the center of the turbine, two separate pipes, namely a feed pipe for the powder and a feed pipe for the liquid, and a discharge pipe for the dispersion. The invention applies particularly to liquids possessing a high solvating power with respect to the powders with which they are to be mixed.

REFERENCES:
patent: 2559516 (1951-07-01), Russell
patent: 2658049 (1953-11-01), Adams
patent: 3266781 (1966-08-01), Eppenberger
patent: 3320639 (1967-05-01), Harp
patent: 3423075 (1969-01-01), Knudsen et al.
patent: 3682447 (1972-08-01), Zucker et al.
patent: 3923289 (1975-12-01), Danberg
patent: 4106117 (1978-08-01), Cloots
patent: 4176972 (1979-12-01), Stiling

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