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112 条记录 (耗时 0.018 秒)

    AN EXTENDED NIP ROLL FOR A PAPERMAKING MACHINE AND A METHOD OF PRODUCING TISSUE PAPER
    63.
    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

    IPC分类号： D21F3/02 ,  D21F11/00 ,  D21F11/14 ,  D21F3/08

    CPC分类号： D21F3/045 ,  D21F3/0209 ,  D21F3/0281 ,  D21F3/086 ,  D21F11/006 ,  D21F11/14

    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
    66.
    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

    发明人： KINDLUND, Sören ,  ROWE, Michael A ,  BARTHELSON, Hans

    IPC分类号： D21C11/04 ,  F16K7/07

    CPC分类号： D21C11/0078 ,  B01D33/21 ,  B01D33/466 ,  B01D33/48 ,  B01D33/76 ,  B01D37/02 ,  Y02P40/44

    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.

    DEVICE FOR PREVENTING REWETTING OF CELLULOSE PULP
    67.
    发明公开
    DEVICE FOR PREVENTING REWETTING OF CELLULOSE PULP 审中-公开
    DEVICE FOR预防回潮的纸浆

    公开(公告)号：EP2766523A1

    公开(公告)日：2014-08-20

    申请号：EP12839805.4

    申请日：2012-10-11

    申请人： Valmet Aktiebolag

    发明人： LUNDBERG, Jörgen ,  LÖVGREN, Hans

    IPC分类号： D21C9/18 ,  B01D33/067 ,  B30B9/20 ,  D21C9/06 ,  D21D1/40

    CPC分类号： D21C9/06 ,  D21C9/18 ,  D21D1/40

    摘要： A device (10) is provided for preventing rewetting in a pulp washer (100), with two press rolls (2), arranged to rotate in opposite directions and having permeable outer surfaces (4), inside of which filtrate channels (6) are arranged. The device (10) comprises an anti-rewet beam (12), the cross-section of which forms a closed shape. The anti-rewet beam in turn comprises a filtrate barrier (12a) positioned towards the outer wall (6a) of the filtrate channel to prevent flow of liquid from the trailing part of the filtrate channel to the outer surface of the press roll, a support member (12b) positioned towards the rear side wall (6d) of the filtrate channel, and at least one intermediate beam portion (12c, 12c'), interconnecting the filtrate barrier and the support member, to form the closed beam shape.

    A PAPER MAKING MACHINE FOR MAKING TISSUE PAPER AND A METHOD OF OPERATING A PAPER MAKING MACHINE
    68.
    发明公开
    A PAPER MAKING MACHINE FOR MAKING TISSUE PAPER AND A METHOD OF OPERATING A PAPER MAKING MACHINE 有权
    造纸机纸巾和方法用于操作造纸机中生产

    公开(公告)号：EP2737125A1

    公开(公告)日：2014-06-04

    申请号：EP12818302.7

    申请日：2012-07-26

    申请人： Valmet Aktiebolag

    发明人： GUSTAVSSON, Tord ,  GUSTAVSSON, Lars

    IPC分类号： D21F11/14 ,  D21F3/02 ,  D21F3/04 ,  D21F9/02

    CPC分类号： D21F3/0218 ,  D21F3/0281 ,  D21F3/045 ,  D21F11/006 ,  D21F11/14

    摘要： The invention relates to a paper making machine for making tissue paper. The machine comprises a former (2)and a press (11) with a first press member (12) and a second press member (13) arranged to form a dewatering nip (PN) with the first press member (12). A felt (7) is arranged to pass through the dewatering nip (PN). A drying cylinder (14) is arranged to form a transfer nip (TN) with the first press member (12) and a belt (15) forming a loop around the first press member (12) such that the belt (15) passes through the dewatering nip (PN) and the transfer nip (TN). The first press member (12) is an extended nip roll that has a flexible jacket (17) that forms a loop and a flexible support body (18) within the loop of the flexible jacket (17). The flexible support body (18) can be caused to press the flexible jacket (17) radially outwards and the flexible support body (18) is placed opposite the drying cylinder (14) such that the flexible support body (18) can press the flexible jacket (17) towards the drying cylinder (14) to close the transfer nip (TN). The paper machine also comprises a mechanical stop arranged to halt a closing movement of the first press member (12). The invention also relates to a method of operating the machine.