Reaction vessel with pulsating means for producing lignocellulos

Details Reaction vessel with pulsating means for producing lignocellulos Reaction vessel with pulsating means for producing lignocellulos

1976-09-15

1979-01-09

Bashore, S. Leon

Paper making and fiber liberation

Apparatus

Digester

162 65, 162242, 162243, 162250, 162251, 261 82, 261114JP, 422226, D21C 700, D21C 710, D21C 714

Patent

active

041337140

ABSTRACT:
Apparatus for the production of a lignocellulose material from chips, sawdust, chopped plants, bark, small fibres comprising a vertical column with a series of successively-mounted horizontal perforated plates partly abutting upon the inner surface of the column; at the free ends of said plates retaining baffles are secured for partial entrapment of coarse particles of the product; a clearance is provided between the baffle and inner surface of the column and the plates are disposed relative to each other so that baffles of each successive plate are located diametrically opposite to the baffles of each preceding plate thus forming a zigzag labyrinth along the total height of the column for increasing the time of contact of coarse particles of the raw materials with the oxygen-containing gas and alkaline reagent.
A pulsator means is operably connected to the column for setting liquid reagents in the column into reciprocating vertical motion. Each plate being formed with a plurality of openings, at least some of the openings having a plurality of guide vanes so that the liquid reagents upon passing through the openings will move horizontally with respect to the plates.

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patent: 3754417 (1973-08-01), Jamieson
patent: 3830688 (1974-08-01), Mannbro
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patent: 3951733 (1976-04-01), Phillips

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