Apparatus for fluidizing, degassing and pumping a suspension of

Details Apparatus for fluidizing, degassing and pumping a suspension of Apparatus for fluidizing, degassing and pumping a suspension of

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.

REFERENCES:
patent: 4017211 (1977-04-01), Alestig et al.
patent: 4770604 (1988-09-01), Luthi et al.
patent: 4776758 (1988-10-01), Gullichsen
patent: 4826398 (1989-05-01), Gullichsen
patent: 4890980 (1990-01-01), Heald et al.
patent: 4936744 (1990-06-01), Dosch et al.
patent: 4981413 (1991-01-01), Elonen et al.

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