公开(公告)号：US4130478A

公开(公告)日：1978-12-19

申请号：US827461

申请日：1977-08-25

Applicant: Douglas M. Swallow

Inventor： Douglas M. Swallow

IPC: B01D29/25 ,  B07B1/06

CPC classification number: B07B1/06 ,  B01D29/25 ,  B01D2201/084 ,  B01D2201/583

Abstract: An apparatus having a bowl-shaped screen with a large opening at the upper end thereof and a smaller opening at the lower end thereof for screening annularly distributed influent. An influent manifold is located above the screen to distribute influent downwardly into the upper opening. An effluent receiver is positioned about the screen while a concentrate receiver is positioned below the lower opening of the screen. A distributor cone is positioned in the upper opening to direct influent outwardly and downwardly to the screen. The cone is vertically adjustable to vary the size of the annular opening between the cone and the screen. The cone is also rotatably mounted to aid in uniformity of distribution. A tangential influent feed is employed to induce rotation of the distribution cone. A rotatably mounted backspray manifold extends about the screen with nozzles directed to induce rotation of the manifold. A wiper blade extending to the lower opening of the screen is attached to the backspray manifold for inducing concentrate into the concentrate receiver.

Abstract translation: 一种具有在其上端具有大开口的碗形筛网和其下端较小的开口用于筛分环形分布的流入物的装置。 流入歧管位于屏幕上方，以将流入物向下分配到上部开口中。 流出物接收器围绕屏幕定位，而浓缩物接收器位于屏幕的下部开口下方。 分配器锥体定位在上部开口中，以将流入物向外和向下引导到筛网。 圆锥体可垂直调节，以改变锥体和筛网之间的环形开口的尺寸。 锥体也可旋转地安装以有助于分布均匀。 采用切向流入物料来诱导分配锥体的旋转。 可旋转地安装的喷射歧管围绕屏幕延伸，喷嘴被引导以引起歧管的旋转。 延伸到屏幕的下开口的刮水片连接到后喷管，用于将浓缩物引入浓缩物接收器。