公开(公告)号：US3715033A

公开(公告)日：1973-02-06

申请号：US3715033D

申请日：1970-11-09

Applicant: ECODYNE CORP

Inventor： SORIENTE A

IPC: B01D29/15 ,  B01D37/02 ,  B01J47/12 ,  B01D29/08

CPC classification number: B01D29/15 ,  B01D29/52 ,  B01D37/02 ,  B01D2201/0453 ,  B01J47/133

Abstract: A precoat filter cartridge for removing impurites from a liquid, comprising: a rigid tubular core element having holes therein, said holes having a total area in the range of 3 to 9 percent of the total surface area of said core element; a layer of course screen wrapped about said core element; and a layer of fine mesh screen wrapped about said layer of course screen.

Abstract translation: 一种用于从液体中去除灰浆的预涂过滤筒，包括：刚性管状芯元件，其中具有孔，所述孔的总面积在所述芯元件的总表面积的3％至9％的范围内; 围绕所述核心元件缠绕的课程屏幕层; 以及一层围绕所述屏幕层的细网格屏幕。