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press section

机译:媒体专区

摘要

The invention relates to a press section of a machine for producing a fibrous web (1), in particular a paper, cardboard or tissue web, with two press nips (3, 4) lying one behind the other in the web running direction (2) and formed by two press elements each, around each press element at least one separate, endlessly rotating press belt (5,6,7,8) is guided over several guide rollers (9,10,11), the upper press belt (5) is guided away from the fibrous web (1) after the first press nip (3) , then transfer the fibrous web (1) from the lower press belt (6) of the first press nip (3) to the upper press belt (7) wrapping around a suction guide roller (12) of the second press nip (4) and then the lower press belt (8) of the second press nip (4) is brought into contact with the fibrous web (1) via a guide roller (9), after which the fibrous web (1) up to the second press nip (4) via a guide path (13) together with the two opposing presses bands (7,8) is running. The possible uses of the press section with the greatest possible drainage capacity should be broadened by the fact that the position of the guide roller (9) wrapped around by the lower press belt (8) of the second press nip (4) before the start of the guide section (13) in a length of the guide section (13 ) changing manner and in front of this variable guide roller (9) with a shortened guide path (13) below the fibrous web (1) a steam blower box (14) can be moved, the blowing nozzles of which are directed onto the fibrous web (1).
机译:本发明涉及一种用于制造纤维幅材(1),特别是纸,纸板或薄纸幅材的机器的压榨部,其具有两个压榨压区(3、4),它们在幅材的运行方向(2)上彼此背对背。 )并由两个压榨元件组成,在每个压榨元件周围至少一个单独的,连续旋转的压榨带(5,6,7,8)在多个导辊(9,10,11)上方被引导,上压榨带( 5)在第一压榨压区(3)之后被引导离开纤维网(1),然后将纤维网(1)从第一压榨压区(3)的下压榨带(6)转移到上压榨带(7)缠绕在第二压榨压区(4)的抽吸导辊(12)上,然后第二压榨压区(4)的下部压榨皮带(8)通过纤维网(1)与纤维网(1)接触。引导辊(9),然后纤维网(1)经由引导路径(13)与两个相对的压榨带(7,8)一起到达第二压榨压区(4)。应扩大压榨部的最大可能排泄量,因为在启动之前,导辊(9)的位置被第二压榨压区(4)的下部压榨皮带(8)缠绕着引导部段(13)以改变引导部段(13)的长度的方式并且在该可变引导辊(9)的前面具有缩短的引导路径(13)的纤维网(1)下方的蒸汽鼓风机箱(可以移动图14中所示的喷嘴,其喷嘴被引导到纤维网(1)上。

著录项

  • 公开/公告号DE102018116125A1

    专利类型

  • 公开/公告日2020-01-09

    原文格式PDF

  • 申请/专利权人 VOITH PATENT GMBH;

    申请/专利号DE201810116125

  • 发明设计人 DANIEL GRONYCH;RICHARD HORN;

    申请日2018-07-04

  • 分类号D21F3/04;D21F3/02;

  • 国家 DE

  • 入库时间 2022-08-21 11:01:58

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