Method for creating double loop flow

Details Method for creating double loop flow Method for creating double loop flow

1991-10-25

1993-08-31

Hornsby, Harvey C.

Agitating

Stirrer within stationary mixing chamber

Rotatable stirrer

366262, 366263, 366272, B01F 300

Patent

active

052403270

ABSTRACT:
The invention relates to a method for mixing liquids into each other or different phases into liquid by employing a double loop circulation, created below the surface zone of a reactor, in order to maintain an intensive mixing. It is characteristic of this Bottom Toroidal Roll or BTR principle that the employed mixer has a strong bottom draft and presses obliquely downwards, and that the mixer is installed according to the mixing method of this invention and that the flow pattern thereof is controlled in an exactly determined fashion. In our method the mixer jet hits the cylinder surface of the reactor, so that the jet is divided into two roughly equal parts by adjusting this distribution by means of a back-flow guiding member of the invention, which guiding member is located above the mixer. The rolling motion taking place in the reactor is controlled by means of specific baffles.

REFERENCES:
patent: 1764498 (1930-06-01), Beers
patent: 2460987 (1949-02-01), Kanhofer
patent: 3675902 (1972-07-01), Marshall
patent: 3973759 (1976-08-01), Mizrahi et al.
patent: 4483624 (1984-11-01), Bacon, Jr. et al.
patent: 4548765 (1985-10-01), Hultholm et al.
patent: 4799862 (1989-01-01), Davidson et al.

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