DECANTER CENTRIFUGE AND METHOD FOR OPERATING DECANTER CENTRIFUGE

Title:

DECANTER CENTRIFUGE AND METHOD FOR OPERATING DECANTER CENTRIFUGE

Document Type and Number:

WIPO Patent Application WO/2016/027420

Kind Code:

A1

Abstract:

[Problem] The problem addressed by the present invention is to prevent obstruction of a solvent discharge opening by solids precipitated from a saturated solution while continuing operation of a centrifuge. [Solution] Provided is a decanter centrifuge that carries out solid-liquid separation by centrifugal force on an object to be processed that is fed into a spinning tube and formed from a solid and a saturated solution wherein that solid is dissolved, and discharges solid phase components from a solid discharge opening formed in one end side in the axial direction of a spinning tube and discharges liquid phase components from a solvent discharge opening formed on the other end thereof by rotationally operating a screw conveyor disposed within the spinning tube, said decanter centrifuge being provided with a dilution solvent supply unit for supplying, during centrifuging of the object to be processed, dilution solvent that reduces the concentration of the saturated solution to a discharge path, which is a discharge path for saturated solution moving within the spinning tube toward the solvent discharge opening, and which is formed more to the solvent discharge opening side in the axial direction than a chamber for supplying the object to be processed.

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Inventors:

ANDO KATSUYA (JP)
HASEGAWA MAMORU (JP)
IDE MASAHIRO (JP)

Application Number:

PCT/JP2015/003827

Publication Date:

February 25, 2016

Filing Date:

July 29, 2015

Export Citation:

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Assignee:

TOMOE KOGYO KK (JP)

International Classes:

B04B1/20; B04B15/06

Foreign References:

US3423015A	1969-01-21
US4496340A	1985-01-29
JP2002502300A
JP2000350946A	2000-12-19
JP2002018320A	2002-01-22
JPH03147794A	1991-06-24
GB1411644A	1975-10-29
JPS4740556A

Attorney, Agent or Firm:

MIZUNO, Katsufumi et al. (JP)
Katsufumi Mizuno (JP)

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