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1. 发明授权

US4435286A Liquid filter device 失效
标题翻译：液体过滤装置
公开(公告)号：US4435286A
公开(公告)日：1984-03-06
申请号：US390623
申请日：1982-06-21
申请人： Robert Louboutin , Michel Riotte
发明人： Robert Louboutin , Michel Riotte
IPC分类号： C02F3/06 , B01D24/22 , C02F3/28 , C02F3/34 , B01D23/20
CPC分类号： B01D24/22
摘要： A liquid filter device includes an upwardly open structure having a bottom and a floor positioned above the bottom, the bottom and the floor defining therebetween a chamber. A filter element comprising granular material is supported by the floor within the structure. Liquid to be treated passes downwardly through the granular material in contact with a gas passing upwardly through the granular material during a normal filtering and processing operation. During an operation for washing the granular material, water and gas pass upwardly through the granular material. A plurality of nozzles open into the granular material and have stems communicating with the chamber. The plurality of nozzles includes first nozzles having openings for, during the normal operation, passing liquid from the granular material into the chamber, and for, during the washing operation, distributing the water and gas from the chamber into the granular material. The plurality of nozzles further includes second nozzles having openings for, during the normal operation, distributing the gas from the chamber into the granular material, and for, during the washing operation, distributing the water and gas from the chamber into the granular material.
摘要翻译：液体过滤装置包括向上开口的结构，其具有底部和位于底部上方的底板，底部和底板在其间限定一个室。包括颗粒材料的过滤元件由结构内的地板支撑。待处理的液体在正常的过滤和处理操作过程中向下通过与向上通过颗粒材料的气体接触的颗粒材料。在用于清洗颗粒材料的操作期间，水和气体向上通过颗粒材料。多个喷嘴通向颗粒状材料并且具有与腔室连通的杆。多个喷嘴包括具有开口的第一喷嘴，用于在正常操作期间将液体从颗粒材料送入室中，并且在洗涤操作期间，将水和气体从室分配到颗粒材料中。多个喷嘴还包括具有开口的第二喷嘴，用于在正常操作期间将气体从腔室分配到颗粒材料中，并且在洗涤操作期间将水和气体从腔室分配到颗粒材料中。

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