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1. 发明授权

US5480546A Rotating screen drum with a stainless lining 失效
标题翻译：旋转筛筒用不锈钢衬里
公开(公告)号：US5480546A
公开(公告)日：1996-01-02
申请号：US223128
申请日：1994-04-05
申请人： Lennart Bergkvist , Sten Gustafsson , Kjell Lindblom , Jan Anderson , Rolf Ekholm , Ronny Hoglund
发明人： Lennart Bergkvist , Sten Gustafsson , Kjell Lindblom , Jan Anderson , Rolf Ekholm , Ronny Hoglund
IPC分类号： D21C9/06 , D21C9/18 , F26B17/28 , B01D33/06
CPC分类号： D21C9/18 , D21C9/06 , F26B17/288
摘要： A screen dram for the dewatering and/or washing of cellulose pulp, comprises a first cylinder (2) made from non-stainless material, which is rotatable about its axis (5); a cylindrical screen plate (6) arranged coaxially on the outside of the first cylinder, but at a distance from it, and between the screen plate and the first cylinder an annular chamber (7) which can receive liquid which has passed through the screen plate, which chamber contains passages (26) which extend in the axial direction towards one or both ends of the drum for the withdrawal of the screen liquid. The chamber (7) is lined with stainless steel (8) in the form of one or more cylindrical plate sections (8a, 8b . . . 8n). These, by virtue of shrink joints, can be joined to and bear in seal-tight arrangement against the cylindrical casing of the first cylinder. Preferably, the stainless steel contains at least 5% molybdenum.
摘要翻译：用于脱水和/或洗涤纤维素纸浆的筛网包括由非不锈钢材料制成的可围绕其轴线（5）旋转的第一圆筒（2）; 圆筒形筛板（6）同轴地布置在第一圆柱体的外侧上，但距离其一定距离处，并且在筛板和第一圆柱体之间设置有能够接收通过筛板的液体的环形室（7）该腔室包含沿轴向方向朝向滚筒的一端或两端延伸的通道（26），用于抽出筛网液体。腔室（7）内衬有一个或多个圆柱形板段（8a，8b ... ... 8n）形式的不锈钢（8）。这些通过收缩接头可以接合到第一气缸的圆筒形壳体上并且以密封的方式承载。优选地，不锈钢含有至少5％的钼。

2. 发明授权

US5503323A Screening means with a screening body, and method and device for manufacturing the screening body 失效
标题翻译：具有筛选体的筛选方法，以及用于制造筛选体的方法和装置
公开(公告)号：US5503323A
公开(公告)日：1996-04-02
申请号：US446551
申请日：1995-05-19
申请人： Lennart Bergkvist , Jan G. Carlsson , Soren Soderqvist , Per Toreld
发明人： Lennart Bergkvist , Jan G. Carlsson , Soren Soderqvist , Per Toreld
IPC分类号： B07B1/18 , D21B1/02 , D21D5/16
CPC分类号： B07B1/18 , D21B1/023 , D21D5/16 , Y10S29/902 , Y10T29/49895 , Y10T29/49901 , Y10T29/49904 , Y10T29/53 , Y10T29/53978
摘要： A screening body for a pulp digester includes two, spaced apart ring supporting a plurality of axially extending screening bars each of which has a foot portion frictionally received in and welded to a correspondingly formed recess formed on the inner side of each of the ring segments; an apparatus for manufacturing a screening body is also provided and which includes a first assembly member which mounts a form for receiving the ring member segments in parallel relation and into which are inserted the screening bars with the foot portions fractionally received in complementary recesses formed on the inner side of each of the ring segments; a retaining member in the form of a second assembly device includes a cylindrical drum surface which is pressed against the screening bars of a partially assembled screening body section while a second and subsequent sections of the screening body are assembled.
摘要翻译：用于纸浆蒸煮器的筛选体包括两个间隔开的环，其支撑多个轴向延伸的筛条，每个筛条具有摩擦地容纳在每个环段的内侧上并焊接到相应形成的凹部中的脚部分; 还提供了一种用于制造屏蔽体的装置，其包括：第一组件，其安装用于平行地接收环形构件段的形式，并且其中插入有筛分杆，其中脚部分别地容纳在形成于每个环段的内侧; 第二组装装置形式的保持构件包括圆柱形鼓表面，该圆柱形鼓表面被压靠在部分组装的屏蔽主体部分的屏蔽杆上，而组装屏蔽体的第二和随后部分。

3. 发明授权

US5504987A Device for manufacturing a screening body 失效
标题翻译：用于制造筛选机构的装置
公开(公告)号：US5504987A
公开(公告)日：1996-04-09
申请号：US215762
申请日：1994-03-22
申请人： Lennart Bergkvist , Jan G. Carlsson , Soren Soderqvist , Per Toreld
发明人： Lennart Bergkvist , Jan G. Carlsson , Soren Soderqvist , Per Toreld
IPC分类号： B07B1/18 , D21B1/02 , D21D5/16 , B23P19/00
CPC分类号： B07B1/18 , D21B1/023 , D21D5/16 , Y10S29/902 , Y10T29/49895 , Y10T29/49901 , Y10T29/49904 , Y10T29/53 , Y10T29/53978
摘要： A screening body for a pulp digester includes two, spaced apart ring supporting a plurality of axially extending screening bars each of which has a foot portion frictionally received in and welded to a correspondingly formed recess formed on the inner side of each of the ring segments; an apparatus for manufacturing a screening body is also provided and which includes a first assembly member which mounts a form for receiving the ring member segments in parallel relation and into which are inserted the screening bars with the foot portions fractionally received in complementary recesses formed on the inner side of each of the ring segments; a retaining member in the form of a second assembly device includes a cylindrical drum surface which is pressed against the screening bars of a partially assembled screening body section while a second and subsequent sections of the screening body are assembled.
摘要翻译：用于纸浆蒸煮器的筛选体包括两个间隔开的环，其支撑多个轴向延伸的筛条，每个筛条具有摩擦地容纳在每个环段的内侧上并焊接到相应形成的凹部中的脚部分; 还提供了一种用于制造屏蔽体的装置，其包括：第一组件，其安装用于平行地接收环形构件段的形式，并且其中插入有筛分杆，其中脚部分别地容纳在形成于每个环段的内侧; 第二组装装置形式的保持构件包括圆柱形鼓表面，该圆柱形鼓表面被压靠在部分组装的屏蔽主体部分的屏蔽杆上，而组装屏蔽体的第二和随后部分。

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