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

1989-10-03

1991-08-13

Nozick, Bernard

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

4151691, 415143, B01D 1900

Patent

active

050393200

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 means 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 opening means in the impeller and said wall means, said 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: 4410337 (1983-10-01), Gullichsen et al.
patent: 4435193 (1984-03-01), Gullichsen et al.
patent: 4675033 (1987-06-01), Fellman et al.
patent: 4834547 (1989-05-01), Niskanen
patent: 4877368 (1989-10-01), Timperi et al.
patent: 4877424 (1989-10-01), Perkola et al.

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