| 摘要 |
<p>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 crosssection end 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 introduces 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 adjacentthe 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.</p> |
