B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/11
B01D 19/00 (2006.01) D21D 5/26 (2006.01)
Patent
CA 1182762
PULP DEGASSING ABSTRACT OF THE DISCLOSURE Pulp degassification is effected by a structure (10) that may be mounted on a pulp treatment vessel (12), such as an oxygen reactor blow tank. The degassifier includes a housing (14) that is substantially circular in cross- section and tapers from a first end (15) to a second end (16) along a central axis. A pulp inlet (20) is adjacent the first end and intro- duces pulp tangentially and an outlet (24) is adjacent the second end extending concentrically with the central axis. A blade assembly (26) is mounted for rotation about an axis (A-A) generally coincident with the housing central axis, and the blade assembly is rotated to impart a high speed rotational velocity component to the pulp as it enters the housing. A gas outlet (40) is adjacent the housing first end, vertically above the housing second end, and adjacent the central axis. A conically shaped baffle (44) or the like is provided surrounding the gas outlet to prevent short-circuiting of pulp from the inlet to the gas outlet.
404682
Goudreau Gage Dubuc
Kamyr Inc.
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