REFINER WITH SCROLL INLET DOUBLE TANGENTIAL OUTLET Russian patent published in 2012 - IPC B02C7/02 D21D1/30

Abstract RU 2470709 C2

FIELD: process engineering.

SUBSTANCE: refiner for fibrous suspension comprises casing and rotor fitted on its shaft to run inside said casing. It includes also inlet case consisting of inlet plate, axial round cylinder and scroll inlet for each grinding surfaces. Every inlet plate directs fibrous suspension to set of opposed first and second grinding surface to swirl it. Scroll inlet is arranged tangentially relative to inlet plate centre. Inlet case comprises scroll channel extending from inlet to inlet plate centre.

EFFECT: optimised flow, better performances.

8 cl, 4 dwg

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RU 2 470 709 C2

Authors

Kraft Majkl

Rach Dzhuli

Dates

2012-12-27—Published

2008-04-24—Filed