PULP PRODUCTION ARRANGEMENT AND METHOD
    81.
    发明公开
    PULP PRODUCTION ARRANGEMENT AND METHOD 审中-公开
    ZELLSTOFFHERSTELLUNGSANORDNUNG不满意

    公开(公告)号:EP3084071A1

    公开(公告)日:2016-10-26

    申请号:EP14871933.9

    申请日:2014-12-15

    申请人: Valmet Aktiebolag

    IPC分类号: D21C9/06 B01D33/073 D21C9/18

    CPC分类号: D21C9/18 B30B9/20 D21C9/06

    摘要: 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.

    摘要翻译: 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部(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)呈现为外壳的形状。

    A METHOD OF MAKING A STEEL YANKEE CYLINDER
    82.
    发明公开
    A METHOD OF MAKING A STEEL YANKEE CYLINDER 审中-公开
    VERFAHREN ZUR HERSTELLUNG EINESGLÄTTZYLINDERSAUS STAHL

    公开(公告)号:EP3071750A1

    公开(公告)日:2016-09-28

    申请号:EP14864648.2

    申请日:2014-10-29

    申请人: Valmet Aktiebolag

    IPC分类号: D21F5/02 B23K9/035

    摘要: The invention relates to a method of making a steel Yankee cylinder 1 by welding a cylindrical shell 2 to two end walls 3, 4 such that the cylindrical shell 2 and the end walls 3,4 together form the Yankee cylinder 1. The welding operation is carried out exclusively from the outside of the Yankee cylinder 1 and in the welding operation is carried out as a butt welding operation in which a backing material 7 is used on the inside of the Yankee cylinder 1 such that, between each end wall 3, 4 and the cylindrical shell 1, a single weld bead 8 is formed which extends all the way between the opposing surfaces 5, 6 and completely fuses the opposing surfaces 5, 6 of each end wall 3, 4 and the cylindrical shell 2 respectively.

    摘要翻译: 本发明涉及一种通过将圆柱形壳体2焊接到两个端壁3,4来制造钢扬克缸1的方法,使得圆柱形壳体2和端壁3,4一起形成扬基缸1。焊接操作是 仅从扬克缸1的外部进行,并且在焊接操作中进行对接焊接操作,其中在扬克缸1的内部使用背衬材料7,使得在每个端壁3,4之间 和圆筒形壳体1,形成单个焊道8,其在相对表面5,6之间一直延伸,并且分别完全熔合每个端壁3,4和圆柱形壳体2的相对表面5,6。

    AN EXTENDED NIP ROLL FOR A PAPERMAKING MACHINE AND A METHOD OF PRODUCING TISSUE PAPER
    87.
    发明公开
    AN EXTENDED NIP ROLL FOR A PAPERMAKING MACHINE AND A METHOD OF PRODUCING TISSUE PAPER 有权
    AN EXTENDED压力辊造纸机AND METHOD FOR PRODUCING薄页纸

    公开(公告)号:EP2910679A1

    公开(公告)日:2015-08-26

    申请号:EP15160204.2

    申请日:2011-12-07

    申请人: Valmet Aktiebolag

    发明人: Gustavsson, Tord

    摘要: The invention relates to an arrangement arranged to introduce a three-dimensional structure in a paper during production of said paper in a paper making machine (1). The arrangement comprises a heat roll (14) arranged to dry a wet paper web and an extended nip roll (12) arranged to form a transfer nip (TN) with said heat roll (14). The extended nip roll (12) is provided with a flexible jacket (17) arranged around the circumferential area of said extended nip roll (12). An external surface of said flexible jacket (17) is provided with a textured portion (15) and when the wet paper web passes the transfer nip between said extended nip roll (12) and said heat roll (14), said textured portion (15) of the external surface of the flexible jacket (17) will impart a three-dimensional texture to the paper web.

    SYSTEM FOR RECEPTION AND TRANSPORT OF LIME MUD FROM A WHITE LIQUOR FILTER
    90.
    发明授权
    SYSTEM FOR RECEPTION AND TRANSPORT OF LIME MUD FROM A WHITE LIQUOR FILTER 有权
    系统获得和运输石灰泥从白液过滤器

    公开(公告)号:EP2235255B1

    公开(公告)日:2014-08-27

    申请号:EP08856582.5

    申请日:2008-12-04

    申请人: Valmet Aktiebolag

    IPC分类号: D21C11/04 F16K7/07

    摘要: The tube valve is for the output of a finely granulated material preferably dry lime mud that maintains a level of dry matter content of 65-90%. The tube valve has an elastic inner tube arranged within a pressure chamber that surrounds the elastic inner tube. A tube valve is used as an outlet from the pressurized process. The tube valve has a minimum length that is twice a diameter of the tube. A column of lime mud can be held within it as a pressure lock. The column of lime mud can be caused to descend through the tube valve by controlling a difference in pressure between an inner surface and an outer surface of the tube such that the diameter of the tube expands essentially uniformly along its length by 5-10% or by at least 4-6 millimeters.