Title: Continuous digester

Abstract: A continuous digester in which liquor is drained, at various levels, through a screen into a compartment formed by half rings attached to the interior of the digester. The compartment is provided with rotating vanes, which backwash the screen by pulsing liquid therethrough. The digester includes a lower cone, provided with an impeller and compartment for introducing and circulating liquor for "cold blow" of product.

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Inventors: Schnyder, Auxilius P. (Teaneck, NJ, US)

Application Number: 496305
Filing Date: 1974-08-09
Publication_date: 1976-03-02
Assignee:
Primary Class(es): 162/237 162/246, 162/249, 162/251, 162/274, 209/379, 210/412, 210/413, 422/269
Other Classes:
US Patent Ref:

3755072	Aug, 1973	Ostberg et al.	162/237.
3802956	Apr, 1974	Backlund	162/237.
3811994	May, 1974	Ostberg	162/237.

Other Refs: 663,338

May, 1963	CA

Primary Examiner: Bashore, S. Leon
Assistant Examiner: Yeung, George C.
Attorney: Marn & Jangarathis