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公开(公告)号：US4222817A
公开(公告)日：1980-09-16
申请号：US918943
申请日：1978-06-26
CPC分类号： D21B1/345
摘要： Method and apparatus for pulping and grading waste paper in which stock is introduced through a central inlet in one end wall of a cylindrical chamber and accepts are discharged through a perforate screen in the opposite end wall. An impeller in the chamber adjacent the perforate screen provides for pulping and pumping of the stock as well as provides rotational movement of the stock within the chamber. Light rejects are continuously removed through an outlet adjacent the wall containing the perforate screen while heavy rejects are removed through an outlet adjacent the inlet wall.
摘要翻译： 用于制浆和分级废纸的方法和装置，其中通过圆柱形腔室的一个端壁中的中心入口引入原料并接收的废纸通过相对端壁中的穿孔筛网排出。 邻近穿孔筛的腔室中的叶轮提供了浆料的制浆和泵送以及提供原料在室内的旋转运动。 通过邻近包含穿孔筛的壁的出口连续去除轻质废料，同时通过邻近入口壁的出口排出重质废料。
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2.发明授权
公开(公告)号：US4136018A
公开(公告)日：1979-01-23
申请号：US850366
申请日：1977-11-10
CPC分类号： D21B1/345 , B01D21/0012 , B01D21/0087 , B01D21/267 , B01D21/34 , B01D29/01 , B03B5/32 , B04C3/00
摘要： Method and apparatus for pulping and grading waste material in which the waste material is introduced into a cylindrical chamber having two end walls with a perforate screen in one of the end walls. An impeller in the chamber adjacent the perforate screen provides for pulping and pumping of the stock as well as provides rotational movement of the stock within the chamber. Lightweight rejects are continuously removed through an outlet centrally located in the end wall opposite the screen and heavy rejects are removed through an outlet in the cylindrical wall adjacent the end wall opposite the screen. The stock is introduced to the chamber through an annular inlet which surrounds and is coaxial with respect to the lightweight rejects outlet line.
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