公开(公告)号：US20030066792A1

公开(公告)日：2003-04-10

申请号：US10237554

申请日：2002-09-09

Applicant: Ashbrook Corporation

Inventor： Yongming Xia ,  James E. Thompson ,  Jeffrey S. Devine

IPC: B01D024/00

CPC classification number: B01D36/02 ,  B01D24/30 ,  B01D24/42 ,  B01D24/4684 ,  B01D24/4689 ,  B01D29/114 ,  B01D29/44 ,  B01D2201/02 ,  B01D2201/48

Abstract: A liquid filtering apparatus is placed in a vessel having a bed of filtration material and an intake for introducing unfiltered liquid, that includes a washbox, an airlifting tube extending from the washbox and including an intake end and means for introducing a primary gas to the airlifting tube, the airlifting tube passing through a central pipe, which extends from just below the washbox to a position just above the intake end. At least one screen cartridge is oriented in a generally angular downward direction in the bed and is in communication with an effluent chamber defined in part by the outer surface of the central pipe. A reject line extends from the washbox, and an effluent collector extends from the effluent chamber. A method of filtering and cleaning the filtration material is also disclosed.

公开(公告)号：US20020036164A1

公开(公告)日：2002-03-28

申请号：US09966317

申请日：2001-09-27

Applicant: Ashbrook Corporation

Inventor： Yongming Xia ,  James E. Thompson ,  Jeffrey S. Devine

IPC: B01D024/00

CPC classification number: B01D36/02 ,  B01D24/30 ,  B01D24/42 ,  B01D24/4684 ,  B01D24/4689 ,  B01D29/114 ,  B01D29/44 ,  B01D2201/02 ,  B01D2201/48

Abstract: An improved vertical filtration unit which includes an airlift and a washbox designed for more efficient washing of dirt particles from the filtration material. The washbox consists of a filter media shield, and a washbox skirt for washing of the filtration material. A throttling valve on the wash water discharge line regulates the overall cleaning rate of the unit. The filtered liquid is discharged via a riser pipe which feeds into a filtered liquid box before exiting the filtration unit.

Abstract translation: 改进的垂直过滤单元，其包括空气提升和设计用于更有效地从过滤材料洗涤污垢颗粒的洗涤箱。 洗衣盒由过滤介质护罩和用于洗涤过滤材料的洗脸盆裙组成。 洗涤水排放管上的节流阀调节整体清洁率。 过滤的液体通过提升管排出，该提升管在离开过滤单元之前进入过滤的液体箱中。