公开(公告)号：US12005418B2

公开(公告)日：2024-06-11

申请号：US17049196

申请日：2019-03-29

Applicant: VALMET AB

Inventor： Stefan Mellander ,  Johan Carlsson ,  Lars Fredriksson ,  Francois Lambert

IPC: B01J19/20 ,  B01J3/04 ,  D21C1/02 ,  D21C1/04 ,  D21C7/06 ,  D21C7/08

CPC classification number: B01J19/20 ,  B01J3/042 ,  D21C1/02 ,  D21C1/04 ,  D21C7/06 ,  D21C7/08 ,  B01J2219/00051 ,  B01J2219/182 ,  B01J2219/1943

Abstract: A reactor vessel (1) for biomass material, wherein said reactor vessel (1) is a pressurized reactor vessel, said reactor vessel being elongated and comprising: a substantially tubular vessel part (3); two gables (5a, 5b) connected one to each end (19a, 19b) of the tubular vessel part (3), hereby enclosing a vessel internal compartment (7); and a material transporting screw (8) comprising a central shaft (9) provided within the vessel internal compartment (7) extending between the two gables (5a, 5b) along a central axis (A) of the reactor vessel (1), wherein said material transporting screw further comprises screw flight (11) provided around the shaft (9), wherein said material transporting screw is configured for transporting the biomass material through the reactor vessel, wherein both gables (5a, 5b) are inwardly dished.