Flotation separating system

Details Flotation separating system Flotation separating system

1984-12-18

1986-10-14

Bashore, S. Leon

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209168, 210117, 2102211, 2102212, 210460, 261122, 261123, B03D 114

Patent

active

046171134

ABSTRACT:
Improvements in flotation separating systems of the type employing small rising air bubbles to induce ascension of certain types of particles in a flotation compartment while other particle types descend toward the bottom of the compartment include a bubble passing, particle blocking barrier forming the bottom of the compartment separating the compartment from a source of air bubbles while allowing the introduction of a uniform distribution of air bubbles into the compartment in the form of a gently sloped conical plate having a plurality of aerated water passing apertures and an array of downwardly extending pocket forming baffles for limiting bubble migration along the slope of the lower plate surface. The baffles are generally configured as radially and circumferentially extending baffle portions. Particles are prevented from passing through the plate apertures by introducing additional sealing water flowing toward the barrier from beneath by way of a plurality of inwardly extending water supply pipes opening downwardly at their innermost ends. The flotation separating system is preferably of the water recirculating type and includes a readily removable strainer basket suspended in a water drainage path for collecting contaminants which are inadequately separated by the flotation process.

REFERENCES:
patent: 1223033 (1917-04-01), Cole
patent: 1374499 (1921-04-01), Greenwalt
patent: 1410781 (1922-03-01), Towne et al.
patent: 2783884 (1957-05-01), Schaub
patent: 3246763 (1966-04-01), Bamen
patent: 3371779 (1968-03-01), Hollingsworth et al.
patent: 4287054 (1981-09-01), Hollingsworth
patent: 4394258 (1983-07-01), Zipperian
Boyts Potter & Company-Publication-"Yargh Wood and Lead Lined Strainer with Bronze Basket Screen".

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