US 11,656,027 B2
Biomass drying system and method
Justin Mondeik, Gleason, WI (US); and Benjamin Bostrom, Merrill, WI (US)
Assigned to Agra Industries, Inc., Merrill, WI (US)
Filed by Agra Industries, Inc., Merrill, WI (US)
Filed on Mar. 19, 2021, as Appl. No. 17/206,913.
Claims priority of provisional application 62/992,731, filed on Mar. 20, 2020.
Prior Publication US 2021/0293478 A1, Sep. 23, 2021
Int. Cl. F26B 3/16 (2006.01); F26B 25/22 (2006.01); F26B 25/00 (2006.01)
CPC F26B 3/16 (2013.01) [F26B 25/002 (2013.01); F26B 25/22 (2013.01); F26B 2200/02 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A drying system comprising:
a housing defining an upper portion, a middle portion, and a lower portion;
a material inlet located in the upper portion of the housing;
a material outlet located in the lower portion of the housing;
an air inlet located in the lower portion of the housing;
an air outlet located in the upper portion of the housing;
a middle material deflector positioned in the middle portion of the housing, the middle material deflector configured to maintain a central open air space in the middle portion of the housing, wherein air moves from the air inlet through the central open air space and to the air outlet; and
wherein the housing is configured to use gravity for passively moving material from the material inlet to the material outlet.