公开(公告)号：US07032760B2

公开(公告)日：2006-04-25

申请号：US10942685

申请日：2004-09-16

Applicant: Frank A. Walton ,  James Allen Mann, Jr. ,  James E. Williams

Inventor： Frank A. Walton ,  James Allen Mann, Jr. ,  James E. Williams

IPC: B01D21/24 ,  B01D24/38 ,  B01D29/88 ,  B01D33/70 ,  B01D35/00

CPC classification number: B01D29/15 ,  B01D29/668 ,  B01D2201/0415

Abstract: An inline backwash, flushing filter assembly comprising a header assembly, a rotatable valve assembly, and a filter element assembly disposed within a filter housing assembly. In operation, the controller moves the turn knob of the rotatable valve assembly a one-quarter turn which results in the reversal of fluid flow through the assembly to periodically back flush the filter utilizing fluid from the system inlet. Debris removed from the filter element during the backwash process are immediately discharged from the system through a drain port. Simultaneously, the hydraulic shearing mechanism of the backwash process dislodges and drains debris which may have accumulated on the screen and at the bottom of the lower filter assembly during normal filter operations. The controller then returns the filter assembly to filtration operation by a reverse one-quarter turn of the turn knob of the rotatable valve assembly.

Abstract translation: 一种在线反冲洗冲洗过滤器组件，其包括头部组件，可旋转阀组件和设置在过滤器壳体组件内的过滤元件组件。 在操作中，控制器将可旋转阀组件的转动旋钮移动四分之一圈，这导致通过组件的流体流的反转，以周期性地使用来自系统入口的流体冲洗过滤器。 在反冲洗过程中从过滤元件去除的碎屑立即通过排水口从系统排出。 同时，反冲洗过程的液压剪切机构在正常过滤操作期间移除并排出可能积聚在筛网上和下过滤器组件底部的碎屑。 然后，控制器通过可旋转阀组件的转动旋钮的四分之一圈的倒数将过滤器组件返回到过滤操作。