Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Patent
1991-05-29
1993-05-11
Look, Edward K.
Fluid reaction surfaces (i.e., impellers)
Specific blade structure
Radial flow devices
416181, 4151691, F01D 2532, F01D 514
Patent
active
052096416
ABSTRACT:
An apparatus for fluidizing, degassing and pumping a suspension of fibrous cellulose material is described which comprises a housing, a fluidizing rotor and an impeller of radial type, said housing having a cylindrical portion for the rotor, a portion for the impeller which is radially enlarged in relation to the cylindrical portion, a wall closing one end of the housing and a shaft rigidly connected to the impeller, an axial inlet for suspension being disposed at the cylindrical portion, and a radial outlet for suspension at the radially enlarged portion. The apparatus has also a degassing system for removing gas which collects in front of the impeller and comprising an opening in the impeller and the wall, the impeller having a hub, a partition and forward and rear blades. Furthermore, the impeller is provided with a concentric, circular inlet for the continuous supply of suspension to the rear blade space, the rear blades being arranged to exert a pump action on the suspension supplied to the apparatus.
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Hoglund Ronny
Jansson Ulf
Kamyr AB
Lee Michael S.
Look Edward K.
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