浄化槽及び浄化槽の運転方法

Septic tank and operating method of the same

Abstract

【課題】簡単な装置で定期的に濾過槽の逆洗ができ、濾過材に付着した汚泥が除去できる浄化槽を提供する。 【解決手段】濾過材充填部よりも下方部に処理液流入部と、上方部に処理液流出部と、下方部から上方部に処理液が流れる濾過槽7を設け、外部のエアー供給装置25からの空気を供給するエアー供給管が接続されて上部に空気溜り部22を形成可能なケーシング23と、少なくとも一端部をケーシング内の下方に配置し、且つ、他端部を濾過槽7の外方に延設する引抜管28と、ケーシング23内へ処理液を引き込む吸引部と、ケーシング23内への空気供給によりケーシング23内の処理液が引抜管28より排出され、引抜管28から空気溜り部22の空気が抜け出てケーシング23内の空気圧が開放された時に吸入部から処理液を吸い込む容積式ポンプで構成される逆洗流発生装置21を設ける。 【選択図】図1
<P>PROBLEM TO BE SOLVED: To provide septic tank in which a filter tank can be periodically backwashed with a simple device and which can remove sludge adhering to a filter medium. <P>SOLUTION: The filter tank 7 is provided which has a treatment liquid inflow portion below a filter medium-filled portion and a treatment liquid outflow portion above the filter medium-filled portion and in which treatment liquid flows from the lower part to the upper part. A backwash flow generator 21 is provided which comprises a casing 23 connected with an air supply pipe for supplying air from an air supply device 25 installed outside to be capable of forming an air storage portion 22 in the upper part, a drawing tube 28 where at least one end of the tube is disposed in the lower part of the casing and the other end is extended to the outside of the filter tank 7, a suction portion for drawing the treatment liquid into the casing 23, and a positive displacement pump for sucking the treatment liquid from the suction portion when the treatment liquid in the casing 23 is discharged from the drawing tube 28 by air supply into the casing 23 and air in the air storage portion 22 is drawn out of the drawing tube 28 to release air pressure in the casing 23. <P>COPYRIGHT: (C)2010,JPO&INPIT

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Patent Citations (14)

    Publication numberPublication dateAssigneeTitle
    JP-2001310194-ANovember 06, 2001Amuzu Kk, アムズ株式会社浄化槽及びその運転方法
    JP-2002113310-AApril 16, 2002Hitachi Chem Co Ltd, 日立化成工業株式会社上向流濾過装置、濾過装置付き好気処理槽及び汚水浄化槽
    JP-2003097498-AApril 03, 2003Kansai Kako Kk, 関西化工株式会社液体用移送装置
    JP-2003136082-AMay 13, 2003Amuzu Kk, アムズ株式会社リン除去型排水処理装置
    JP-2003227499-AAugust 15, 2003Kansai Kako Kk, 関西化工株式会社液体用移送装置
    JP-2005111363-AApril 28, 2005Fuji Clean Kogyo Kk, フジクリーン工業株式会社排水処理装置
    JP-2005199175-AJuly 28, 2005Daiei Sangyo Kk, 大栄産業株式会社Septic tank
    JP-2010184210-AAugust 26, 2010Best Plant Ltd Co, ベストプラント株式会社Automatic cleaning device for floating filter medium layer for biofiltration treatment
    JP-H05169075-AJuly 09, 1993Nishihara Neo Kogyo Kk, 西原ネオ工業株式会社浄化槽用液移送装置及び液移送方法
    JP-H08132082-AMay 28, 1996Best Kogyo Kk, ベスト工業株式会社Method for cleaning floating filter medium for biological filter
    JP-H09229000-ASeptember 02, 1997Matsushita Electric Works Ltd, 松下電工株式会社Pneumatic sewage transfer device
    JP-H0957285-AMarch 04, 1997Matsushita Electric Works Ltd, 松下電工株式会社処理水移送装置
    JP-H10118674-AMay 12, 1998Nishihara Neo Kogyo Kk, 西原ネオ工業株式会社Sewage treatment apparatus
    JP-S648999-UJanuary 18, 1989

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    Publication numberPublication dateAssigneeTitle