Patents Assigned to Compagnie de Construction Mecanique Sulzer, French Societe Anonyme
  • Controlled vortex pump feed for supplying cellulose-containing material to reaction vessel
    Patent number: 4370172
    Abstract: Method and apparatus for feeding vegetable material into a reaction vessel nder pressure to subject the vegetable material to a reaction such as cooking or hydrolysis. The vegetable material is shredded and impregnated with a treating liquid. The resulting liquid-solid mixture is fed by a vortex pump to the reaction vessel. Rate of flow to the reaction vessel is controlled by a flow meter and a variable-speed motor driving the vortex pump.
    Type: Grant
    Filed: March 17, 1981
    Date of Patent: January 25, 1983
    Assignee: Compagnie de Construction Mecanique Sulzer, French Societe Anonyme
    Inventor: Charles Gueissaz