Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1992-12-21
1994-12-20
Dayoan, D. Glenn
Classifying, separating, and assorting solids
Fluid suspension
Liquid
209452, B03B 542
Patent
active
053739469
ABSTRACT:
A system for separating solid particles in two fractions by means of a medium, the specific gravity of said medium being between the specific gravity of the particles of the first fraction and the specific gravity of the particles of the second fraction. The preferred system having: a scrolled barrel made of a central mid-section in which the separation takes place; a device associated with the barrel for driving it rotatively along its longitudinal center line; mechanisms for feeding or injecting into the barrel both the solid particles to be separated and also the medium effecting this separation; a mechanism for removing the sink fraction from the central mid-section, this mechanism made of a scrolled cone, the lower end of the scrolled cone being attached to the central mid-section and having a diameter somewhat larger than the diameter of the central mid-section, while the higher end has a relatively smaller diameter through which the sinks are discharged; a mechanism for removing the float fraction from the central mid-section, and made of a cone whose lower end is attached to the central mid-section, while the higher discharge end serves as the point of overflow for the medium and float particles; and a mechanism to prevent the float particles from crossing over into the sink's cone and thus reporting with the sink particles. The invention also relates to an assembly of barrels for such a system and to a process for media separation.
REFERENCES:
patent: 1559938 (1925-11-01), Chance
patent: 2298016 (1942-10-01), Lincoln
patent: 3815737 (1974-06-01), Katter
patent: 4234415 (1980-11-01), Casuso
patent: 4323449 (1982-04-01), Pelletier
patent: 5169005 (1992-12-01), Beane
Dayoan D. Glenn
Nguyen Tuan N.
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