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    • 1. 发明申请
    • FEED SCREW, FEED SCREW ARRANGEMENT AND GRINDER FOR LIGNOCELLULOSE MATERIAL
    • 饲料螺丝,饲料螺钉布置和砂浆纤维素材料研磨
    • WO2013006107A1
    • 2013-01-10
    • PCT/SE2012/000099
    • 2012-06-28
    • METSO PAPER SWEDEN ABAHLGREN, Örjan
    • AHLGREN, Örjan
    • D21B1/22B02C7/16B30B9/12
    • D21B1/22B02C7/11D21D1/30
    • A feed screw (18) for feeding lignocellulose material to a rotary disc grinder (10) comprising two opposed grinding discs (11, 12), the feed screw (18) comprising at least one peripheral thread (23) for feeding lignocellulose material in an axial feeding direction, the peripheral thread (23) having an upstream end from which lignocellulose material are to be fed towards an downstream end that is to be arranged through the centre of one of the grinding discs (11) such that it reaches into a feeding zone (25) between the two opposed grinding discs (11, 12). The downstream end of the peripheral thread (23) comprises an angled end part (22), which is arranged at an angle with respect to the peripheral thread (23) so as to re-direct the lignocellulose material in the radial direction as it leaves the peripheral thread (23).
    • 一种用于将木质纤维素材料供给到包括两个相对的研磨盘(11,12)的旋转盘式磨碎机(10)的进料螺杆(18),所述进料螺杆(18)包括至少一个外围螺纹(23),用于将木质纤维素材料 轴向进给方向,周向螺纹(23)具有上游端,木质纤维素材料将从该上游端被输送到将被布置成通过其中一个研磨盘(11)的中心的下游端,使得其进入进给 两个相对的研磨盘(11,12)之间的区域(25)。 外周螺纹(23)的下游端包括成角度的端部部分(22),其相对于周边螺纹(23)以一定角度布置,以便在木质纤维素材料离开时沿径向方向重新引导木质纤维素材料 外周线(23)。
    • 5. 发明申请
    • ISOTROPICALLY COMPRESSING PLUG SCREW FEEDER
    • WO2017200471A1
    • 2017-11-23
    • PCT/SE2017/050513
    • 2017-05-17
    • VALMET AB
    • MELLANDER, StefanSVEDBERG, Peter
    • D21C9/18B30B9/12B30B11/24B65G33/26D21B1/22
    • D21C9/18B30B9/121B30B11/246B65G33/265D21B1/22
    • A plug screw feeder for transporting and compressing granular material in a transport direction and comprising a feed screw, which comprises a screw core and has a length, which is divided into a number of length sections, each of which having a length and a start and an end as seen in the transport direction, wherein the feed screw in at least one of said length sections has a first outer diameter D1 and a first pitch hi at start of said at least one length section and a second outer diameter D2 and a second pitch h2 at end of said at least one length section, and the screw core has a first core diameter d1 at start of said at least one length section and a second core diameter d2 at end of said at least one length section, characterized in that D2/D1≅d2/d1≅h2/h1 in said at least one length section.
    • 一种用于沿输送方向输送和压缩粒状材料并且包括进给螺杆的螺旋进料器,所述进给螺杆包括螺杆芯并且具有被分成多个长度段的长度, 其在输送方向上具有长度以及起点和终点,其中在所述至少一个长度区段中的至少一个中的进给螺杆具有第一外径D1和在所述至少一个长度区段的起始处的第一间距h1,以及 所述至少一个长度段的末端处的第二外径D2和第二间距h2,并且所述螺旋芯在所述至少一个长度段的开始处具有第一芯直径d1,并且在所述至少一个长度段的末端处具有第二芯直径d2 至少一个长度段,其特征在于在所述至少一个长度段中的D2 /D1≥d2/d1≥h2/ h1。
    • 6. 发明申请
    • ARRANGEMENT AND SYSTEM FOR A TREATMENT PROCESS
    • 治疗过程的安排和制度
    • WO2015199604A1
    • 2015-12-30
    • PCT/SE2015/050731
    • 2015-06-24
    • VALMET AB
    • THYR, AndersAHLGREN, ÖrjanSJÖBLOM, Krister
    • C13K1/02C12P19/02C12P7/10C13K13/00D21C9/02
    • C13K1/02C08H8/00C12P7/10C12P19/02D21B1/22D21B1/26D21C9/02D21C9/18Y02E50/16
    • An arrangement (1 ) for feeding and dewatering lignocellulosic material in a hydrolysis process between a first reactor unit (10), where the material is partly hydrolyzed, to a second reactor unit (12), wherein the first reactor unit (10) operates at a first pressure (P-i ) and the second reactor unit (12) operates at a second pressure (P2) being higher than the first pressure (P-i ). The arrangement comprises a first plug screw feeder (14) arranged to receive the partly hydrolyzed material from the first reactor unit (10) and being arranged to compress, dewater and transport the material, wherein the first screw feeder (14) is arranged to operate at a pressure (PPSFI) being higher than the first pressure (P-i ). Dilution means (16) is coupled to receive material from the first plug screw feeder (14) and including a liquid inlet (17) for receiving liquid to wash the material, wherein the dilution means is arranged to maintain or increase the pressure (PDM)- A second plug screw feeder (18) is arranged to receive the diluted material and being arranged to compress, dewater and transport the material to the second reactor unit (12), wherein the second screw feeder (18) is arranged to operate at a pressure (PPSF2) being higher than the pressure (PPSFI) of the first plug screw feeder.. A system (20) comprising such an arrangement and a first reactor unit (10) and a second reactor unit (12) is also presented.
    • 一种用于在第一反应器单元(10)(其中材料被部分水解)到第二反应器单元(12)之间的水解过程中进料和脱水木质纤维素材料的装置(1),其中第一反应器单元(10)在 第一压力(Pi)和第二反应器单元(12)在高于第一压力(Pi)的第二压力(P2)下操作。 该装置包括第一插塞螺旋进料器(14),其布置成从第一反应器单元(10)接收部分水解的材料并被布置成压缩,脱水和输送材料,其中第一螺旋进料器(14)被布置成操作 在压力(PPSFI)高于第一压力(Pi)时。 稀释装置(16)被耦合以从第一插塞螺旋进料器(14)接收材料并且包括用于接收液体以洗涤材料的液体入口(17),其中稀释装置被设置成维持或增加压力(PDM) - 第二插头螺旋进料器(18)被布置成接收稀释的材料并被布置成压缩,脱水并将材料运送到第二反应器单元(12),其中第二螺旋进料器(18)被布置成在 压力(PPSF2)高于第一插塞螺旋进料器的压力(PPSFI)。还提供了包括这种装置的系统(20)和第一反应器单元(10)和第二反应器单元(12)。