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OwnerMikhail Egorovich Afonin, Petr Nikolaevich Belyanin +1inventors
InventorsMikhail Egorovich Afonin, Petr Nikolaevich Belyanin, Andrei Konstantinovich Ivanov
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A centrifugal separator adapted for treating various liquids has a stack of trays set on a drive shaft. To keep the trays somewhat apart from one another, disks are interposed between the trays and provided with holes open along their periphery. The trays are provided with disk and tray holes coaxial with the holes in the disks. The holes form ducts for feeding the polluted liquid and ducts for discharging the purified liquid, both ducts passing parallel to the shaft axis. The liquid is passed from one duct to the other along an arc of a circle in the intertray space. The effect of the flow of the liquid on the settling of solids is insignificant, which enables higher efficiency of the process. The present invention can be applied in diverse fields of technology, where separation of different-density substances is involved.
In a liquid-treating centrifugal separator, support means, a shaft supported for rotation about its axis by said support means, a hollow shell rigidly coupled coaxially with and surrounding said shaft so as to rotate therewith, said shell having a hollow interior surrounding said shaft, tray means situated in the hollow interior of said shell, said tray means including a stack of trays of a given outer diameter respectively formed with central openings through which said shaft extends, and said trays of said tray means also being fixed to said shaft for rotation with said shaft and shell, and spacer means cooperating with said trays of said tray means for maintaining said trays spaced from each other, said spacer means including a plurality of disks respectively formed with central openings through which said shaft extends and also being fixed with said shaft for rotation therewith, said plurality of disks respectively having outer diameters substantially smaller than the outer diameters of said trays and said disks being respectively situated between said trays for spacing the latter apart from each other and for creating between said trays a plurality of intertray spaces which respectively circumferentially surround said disks, said tray means and spacer means cooperating with each other for defining in said shell at least one pair of liquid-flow paths extending parallel to said shaft and a plurality of arcuate liquid-flow paths respectively situated in said intertray spaces adjacent the outer peripheries of the disks and extending from one to the other of said pair of paths, said one path being a path for receiving liquid to be treated while said other path forms a discharge path for treated liquid, so that lighter liquid components will travel along said arcuate paths from said one to said other path, while heavier liquid components will due to centrifugal force move outwardly beyond said arcuate paths toward the peripheries of said trays to be separated from the lighter liquid components and to be prevented from discharging with the lighter liquid components through said other path.
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