Patent ID: 8974633
Filing Date: 2015-03-10
Classification: D21C,F04D

Abstract:
1. A system for the pumping of finely divided cellulose material to a continuous digester comprising: a first vessel containing a finely divided cellulose material formed into a slurry, the first vessel having a first end of a first outlet pipe arranged at a bottom of the first vessel, the first outlet pipe having a first internal diameter, a second outlet pipe having a second internal diameter concentrically surrounding the first outlet pipe, the second outlet pipe being cylindrical-shaped, the first outlet pipe, the second outlet pipe and an end-wall of the second outlet pipe having a chamber defined therebetween and around the first outlet pipe, the chamber terminating at the end-wall and being open at an opposite end of the chamber, and the pump having an inlet defined therein and the second outlet pipe being connected to the inlet of the pump, the second outlet pipe having one end attached to the inlet of the pump, the end-wall having inlets defined therein.