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1. 发明授权

US4668391A Installation for dehydrating protein-containing sludge 失效
标题翻译：安装脱水含蛋白污泥
公开(公告)号：US4668391A
公开(公告)日：1987-05-26
申请号：US709198
申请日：1985-03-07
申请人： Erroll P. K. Ottens
发明人： Erroll P. K. Ottens
IPC分类号： A23J1/00 , C02F11/12 , C02F11/18 , B01D17/028
CPC分类号： C02F11/18 , A23J1/002 , C02F11/12
摘要： An apparatus for dehydrating protein containing aqueous slude, e.g., sludge produced in slaughter houses, which comprises an agglomerator positioned above a filter device, the agglomerator having a bottom wall, a cylindrical outer wall, a cylindrical inner wall, the inner wall and the outer wall providing an annular space therebetween, a sludge inlet duct and a steam inlet duct, the sludge inlet duct and the steam inlet duct communicating with said annular space substantially diametrically opposite each other. The steam is injected in such a way that shear forces will be created in the liquid sludge, thus resulting in an improved precipitation of the proteins of the sludge. The steam is preferably injected tangentially with respect to the outer wall of the agglomerator and the annular space is preferably provided with a helically-extending baffle, the steam inlet extending parallel to the surface of a baffle turn. This provides an excellent precipitation of proteins in a continuous process. An outlet pipe is provided within the interior of the inner wall of the agglomerator and extends through the bottom wall, and a funnel-shaped element is connected between the outlet pipe and the upper edge of the inner wall.
摘要翻译：一种用于脱水含蛋白质的装置，例如在屠宰场中产生的污泥，其包括位于过滤装置上方的凝结器，所述附聚器具有底壁，圆柱形外壁，圆柱形内壁，内壁和外部壁之间提供环形空间，污泥入口管道和蒸汽入口管道，污泥入口管道和蒸汽入口管道与所述环形空间大致直径相对地相对。蒸汽以这样的方式注入，即在液体污泥中产生剪切力，从而导致污泥蛋白质的沉淀改善。蒸汽优选相对于附聚器的外壁切向注入，并且环形空间优选地设置有螺旋延伸的挡板，蒸汽入口平行于挡板转弯表面延伸。这提供了连续过程中蛋白质的极好沉淀。出口管设置在附聚器的内壁的内部并且延伸穿过底壁，并且漏斗形元件连接在出口管和内壁的上边缘之间。

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