Patent ID: 8728278
Filing Date: 2014-05-20
Classification: D21C

Abstract:
1. A feed system for a continuous digester wherein wood chips are continuously fed into a top of the digester and fed out from a bottom of the digester, comprising: a vessel having at least one supply line adapted for an addition of fluid controlled by a level transmitter in operative engagement with the vessel and adapted to establish a liquid level (LIQ the pumps having transferring means for transferring a chips suspension in a transfer line from the vessel to the top of the digester using a static pressure established at the inlets of the pumps by the liquid level (LIQ a rotatable stirrer disposed at the bottom of the vessel and arranged to rotate in the bucket-shaped outlet, and the stirrer having at least two scraper arms that are adapted to sweep over the pump inlets arranged in the bucket-shaped outlet.