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ANGLED REACTION VESSEL

  • US 20100261895A1
  • Filed: 06/29/2010
  • Published: 10/14/2010
  • Est. Priority Date: 02/15/2006
  • Status: Active Grant
First Claim
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1. A biomass bearing material treatment pressure and steam containing vessel, comprising:

  • a generally cylindrical rotatable reaction vessel having first and second ends on a rotational axis, said reaction vessel configured for rotation;

    at least one access opening to an interior of said reaction vessel, and through which biomass bearing material may pass;

    a door for closing said access opening;

    a door sealing system operatively associated with said door for sealing said door to said vessel at said access opening and for maintaining a pressure differential between the interior of said vessel and an exterior thereof;

    at least one flight of auger vanes on an interior wall of said reaction vessel and extending into the interior of said vessel in a plane, for moving biomass bearing material within said vessel from said first end to said second end of said reaction vessel, and from said second end to said first end of said reaction vessel, said auger vanes having a base edge attached to an interior vessel wall, and a top edge, said top edge of said auger vanes defining a bore oriented parallel to an axis of the reaction vessel, said top edge further including a plurality of cupped projections extending into said bore wherein the cupped projections are angled toward the access opening.

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