公开(公告)号：US4305590A

公开(公告)日：1981-12-15

申请号：US156133

申请日：1980-06-03

申请人： Pekka Haikkala ,  Eero Hanhilahti ,  Raimo Pessa ,  Matti Aario

发明人： Pekka Haikkala ,  Eero Hanhilahti ,  Raimo Pessa ,  Matti Aario

IPC分类号： B02C19/20 ,  B02C23/04 ,  B27L11/08 ,  D21B1/04 ,  D21B1/14 ,  D21B1/24 ,  F16J15/46 ,  B27L11/06 ,  F16J15/48

CPC分类号： D21B1/24 ,  B27L11/08 ,  F16J15/46

摘要： A sealing arrangement for a shutter for a feeding chamber of a continuously operating pressure grinder. The feeding chamber is provided with an inlet opening for feeding wood batches at atmospheric pressure into said feeding chamber and with an outlet opening for feeding said wood batches into the grinding chamber at overpressure. Each opening of said feeding chamber is provided with a shutter movable between an opened position and a closed position for preventing of escape of said overpressure through said feeding chamber.The feeding chamber is provided with a fixed guide supporting the shutter during its movement between opened and closed positions. Said guide comprises two parallel support surfaces between which the shutter is slidably mounted. The distance between said support surfaces is greater than the thickness of the shutter adjacent said support surfaces so that the shutter is displaceable towards and away from said support surfaces in a direction perpendicular to said support surfaces. A sealing element is provided in one of said support surfaces in such a way that, when the shutter is displaced away from said one support surface towards the other support surface, the shutter is released from contact with said sealing element. In this way the shutter is due to the pressure difference between opposite sides of the shutter pressed against said one support surface and against said sealing element but is released from contact with said support surface and said sealing element when the pressures are equilized on opposite sides of the shutter and can be moved to open and closed positions without said contact.

摘要翻译： 用于连续操作的压力研磨机的进料室的闸门的密封装置。 进料室设置有用于将大批量的批料进料到所述进料室中的进料口，以及用于在超压下将所述木料批料进料到研磨室中的出口。 所述进料室的每个开口设置有可在打开位置和关闭位置之间运动的挡板，用于防止所述过压通过所述进料室逸出。 送料室设有固定的导向件，支撑活门在打开位置和关闭位置之间运动。 所述引导件包括两个平行的支撑表面，挡板可滑动地安装在该平面之间。 所述支撑表面之间的距离大于邻近所述支撑表面的活门的厚度，使得挡板能够在垂直于所述支撑表面的方向上朝向和远离所述支撑表面移动。 密封元件设置在所述支撑表面中的一个中，使得当闸板从所述一个支撑表面朝向另一个支撑表面移开时，挡板与所述密封元件的接触脱离。 以这种方式，快门是由于快门的相对侧压在所述一个支撑表面上并且抵靠所述密封元件的压力差，但是当压力等于在相对侧的压力时被释放以与所述支撑表面和所述密封元件接触 快门并且可以移动到没有所述接触的打开和关闭位置。

公开(公告)号：US4595150A

公开(公告)日：1986-06-17

申请号：US585105

申请日：1984-03-01

申请人： Matti Aario

发明人： Matti Aario

IPC分类号： D21B1/24 ,  B02C19/12

CPC分类号： D21B1/24

摘要： A blocking slab for a pulp grinder, which blocking slab comprises a striplike frame to be mounted between a wall of a grinding chamber in the grinder and a grindstone, said frame being parallel to the axle of the grindstone. In order to prevent splinters and chips from getting out of the grinding chamber, the frame is provided with a longitudinal retaining edge facing to the peripherical surface of the grindstone. The retaining edge has at least one longitudinal recess, which is limited by two longitudinal retaining ribs, to prevent splinters and chips from getting out of the gap between the grindstone and the blocking slab.

摘要翻译： 用于纸浆研磨机的阻挡板，其中阻挡板坯包括待安装在研磨机的研磨室的壁和磨石之间的带状框架，所述框架平行于砂轮的轴。 为了防止碎片和碎屑离开研磨室，框架设置有面向磨石的周边表面的纵向保持边缘。 保持边缘具有至少一个纵向凹槽，其由两个纵向保持肋限制，以防止碎屑和碎屑脱离磨石和阻挡板之间的间隙。

公开(公告)号：US4193865A

公开(公告)日：1980-03-18

申请号：US910434

申请日：1978-05-30

申请人： Matti Aario

发明人： Matti Aario

IPC分类号： B07B1/20 ,  B07B13/16 ,  D21D5/02

CPC分类号： B07B13/16 ,  B07B1/20 ,  D21D5/02 ,  D21D5/026

摘要： A classifying apparatus for a suspension, especially for a pulp suspension, having a screen drum, means for feeding the suspension to one side of the screen drum, for removing thickened suspension from the same side of the screen drum and liquid from the opposite side of the screen drum, blades inclined in relation to their direction of rotation so that any one of the ends of the inclined blades is substantially on the same screen drum line parallel to the screen drum axis as the opposite end of some other blade and fitted to sweep at least one surface of the screen drum, and driving means for moving the blades in relation to the screen drum.

摘要翻译： 一种用于悬浮液，特别是用于纸浆悬浮液的分级装置，具有筛筒，用于将悬浮液供给到筛筒的一侧的装置，用于从筛筒的同一侧移除加厚的悬浮液，并从 筛筒，叶片相对于其旋转方向倾斜，使得倾斜叶片的任何一端基本上与平行于筛筒轴线的筛网鼓线平行，作为其它一些叶片的相对端，并适于扫掠 筛筒的至少一个表面，以及用于相对于筛筒移动叶片的驱动装置。