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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
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.
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Patent Agency Ranking
公开(公告)号：US20160305067A1
公开(公告)日：2016-10-20
申请号：US15102021
申请日：2014-12-15
Applicant: VALMET AB
Inventor： Stefan Mellander , Peter Svedberg
CPC classification number: D21C9/18 , B30B9/20 , D21C9/06 , D21F1/50 , D21F1/76 , D21F3/105 , D21F5/021
Abstract: A dewatering roll (10) comprises a roll body (20), a mantle support structure (30) and a mantle (40). The mantle support structure (30) is attached around the roll body (20). The mantle (40) is attached against an outer surface (36) of the mantle support structure (30). The mantle (40) has a plurality of through holes (42) constituting mantle flow paths (44). The mantle support structure (30) presents support flow paths (38) from the outer surface (36) of the mantle support structure (30). The support flow paths (38) are in fluid contact with the mantle flow paths (44). The outer surface (36) of the mantle support structure (30) has a static geometric shape defining an envelope having a smaller radius in vicinity of each axial end (15) than in vicinity of a centre (16). Thereby, the inner surface (48) of the mantle (44) assumes the shape of the envelope.
Abstract translation: 脱水辊（10）包括辊体（20），地幔支撑结构（30）和地幔（40）。 地幔支撑结构（30）围绕辊体（20）附接。 地幔（40）安装在地幔支撑结构（30）的外表面（36）上。 地幔（40）具有构成地幔流路（44）的多个通孔（42）。 地幔支撑结构（30）从地幔支撑结构（30）的外表面（36）提供支撑流动路径（38）。 支撑流动路径（38）与地幔流动路径（44）流体接触。 地幔支撑结构（30）的外表面（36）具有限定在每个轴向端（15）附近具有比在中心（16）附近更小的半径的外壳的静态几何形状。 由此，地幔（44）的内表面（48）呈现外壳的形状。
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公开(公告)号：US10227728B2
公开(公告)日：2019-03-12
申请号：US15102021
申请日：2014-12-15
Applicant: Valmet AB
Inventor： Stefan Mellander , Peter Svedberg
Abstract: A dewatering roll (10) comprises a roll body (20), a mantle support structure (30) and a mantle (40). The mantle support structure (30) is attached around the roll body (20). The mantle (40) is attached against an outer surface (36) of the mantle support structure (30). The mantle (40) has a plurality of through holes (42) constituting mantle flow paths (44). The mantle support structure (30) presents support flow paths (38) from the outer surface (36) of the mantle support structure (30). The support flow paths (38) are in fluid contact with the mantle flow paths (44). The outer surface (36) of the mantle support structure (30) has a static geometric shape defining an envelope having a smaller radius in vicinity of each axial end (15) than in vicinity of a center (16). Thereby, the inner surface (48) of the mantle (44) assumes the shape of the envelope.
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公开(公告)号：US20170089009A1
公开(公告)日：2017-03-30
申请号：US15310929
申请日：2015-05-19
Applicant: Valmet AB
Inventor： Stefan Mellander , Peter Svedberg
Abstract: A feeding arrangement for feeding comminuted material to a treatment stage using a plug screw feeder. The invention relates to a design of the inlet to the plug screw feeder wherein, at least 2 chutes (20a,20b) are arranged to feed material to the feed screw (10), and that the cross section of each chute is arranged such that more than 50% of the outlet cross section of a first chute (20a) is located on one side of the feed screw axis (CC) and more than 50% of the outlet cross section of a second chute (20b) is located on the other side of the feed screw axis. In an upgrade version for existing plug screw feeders with large rectangular inlets is an insert body (11a) used filling the rectangular inlet, besides the chutes (20a, 20b) passing through the insert body (11a).
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公开(公告)号：US09434551B2
公开(公告)日：2016-09-06
申请号：US14766877
申请日：2014-02-19
Applicant: Valmet AB
Inventor： Stefan Mellander , Peter Svedberg
CPC classification number: B65G33/14 , B30B9/12 , B30B9/127 , B65G33/24 , B65G33/265 , D21C7/06 , D21C9/18
Abstract: A screw conveyor for transporting lignocellulose-containing material, including a housing containing a screw for transporting the lignocellulose-containing material from the inlet to the outlet of the housing, the screw including a screw core disposed along the screw axis and a screw thread surrounding the screw core, the screw thread including a screw depth defined by the distance between the periphery of the screw and the screw core, the inlet including at least one transverse plate dividing the inlet into at least two axial compartments for evenly distributing the lignocellulose-containing material at the inlet. A method for transporting lignocellulose-containing material by the screw conveyor, in which the axial length of the screw inlet being equal to or greater than the screw depth times the quotient between the axial speed of the screw and the incoming speed of the lignocellulose-containing material at the inlet.
Abstract translation: 一种用于输送含木素纤维素的材料的螺旋输送机，包括一个外壳，该外壳包含用于将含木素纤维素的材料从入口输送到外壳的出口的螺钉，所述螺钉包括沿螺杆轴线设置的螺纹芯， 所述螺纹包括由所述螺杆的周边与所述螺纹芯之间的距离限定的螺纹深度，所述入口包括至少一个横向板，所述至少一个横向板将所述入口分成至少两个轴向隔室，用于均匀分布含木素纤维素的材料 在入口处 通过螺旋输送机输送含木素纤维素的材料的方法，其中螺杆入口的轴向长度等于或大于螺杆深度乘以螺杆的轴向速度与含木素纤维素的进入速度之间的商 入口处的材料
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公开(公告)号：US20150375942A1
公开(公告)日：2015-12-31
申请号：US14766877
申请日：2014-02-19
Applicant: VALMET AB
Inventor： Stefan Mellander , Peter Svedberg
CPC classification number: B65G33/14 , B30B9/12 , B30B9/127 , B65G33/24 , B65G33/265 , D21C7/06 , D21C9/18
Abstract: A screw conveyor for transporting lignocellulose-containing material is disclosed, including a housing containing a screw for transporting the lignocellulose-containing material from the inlet to the outlet of the housing, the screw including a screw core disposed along the screw axis and a screw thread surrounding the screw core, the screw thread including a screw depth defined by the distance between the periphery of the screw and the screw core, the inlet including at least one transverse plate dividing the inlet into at least two axial compartments for evenly distributing the lignocellulose-containing material at the inlet. A method for transporting lignocellulose-containing material by the screw conveyor is also disclosed, in which the axial length of the screw inlet being equal to or greater than the screw depth times the quotient between the axial speed of the screw and the incoming speed of the lignocellulose-containing material at the inlet.
Abstract translation: 公开了一种用于输送含木素纤维素的材料的螺旋输送机，包括一个外壳，其中包含用于将含木素纤维素的材料从入口输送到外壳的出口的螺钉，所述螺杆包括沿螺杆轴线设置的螺纹芯和螺纹 所述螺纹包括由所述螺杆的周边与所述螺纹芯之间的距离限定的螺纹深度，所述入口包括至少一个横向板，所述至少一个横向板将所述入口分成至少两个轴向隔室，用于均匀分布所述木质纤维素 - 在入口处含有材料。 还公开了通过螺旋输送机输送含木素纤维素的材料的方法，其中螺杆入口的轴向长度等于或大于螺杆深度乘以螺杆的轴向速度与螺杆的进入速度之间的商 在入口处含有木素纤维素的材料。
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