JP2005270931A - ろ過槽 - Google Patents
ろ過槽 Download PDFInfo
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- JP2005270931A JP2005270931A JP2004092293A JP2004092293A JP2005270931A JP 2005270931 A JP2005270931 A JP 2005270931A JP 2004092293 A JP2004092293 A JP 2004092293A JP 2004092293 A JP2004092293 A JP 2004092293A JP 2005270931 A JP2005270931 A JP 2005270931A
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- filter medium
- upper screen
- tank
- floating filter
- treatment tank
- Prior art date
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Abstract
【解決手段】 上向流式の処理槽1の内部に上部スクリーン2を設けてその下方に浮上ろ材3を充填し、処理槽1の底部に原水流入口5と逆洗水排出口6とを設けたろ過槽において、上部スクリーン2の開口率を従来よりもはるかに小さい1〜30%とする。これによりろ材の下向流による逆流洗浄時において浮上ろ材3の充填層の一部のみに逆洗水が集中することがなくなり、浮上ろ材3の充填層全体を均一に洗浄することができる。
【選択図】 図4
Description
図4に示すように、本発明のろ過槽の基本的な構造は図1に示した従来品と同様であり、処理槽1の内部にパンチングメタルからなる上部スクリーン2を設け、その下方に浮上ろ材3を充填するとともに、処理槽1の底部に原水流入口4と逆洗水排出口5とを設けた構造である。なおこの実施形態の処理槽1は、5m×5mの面積を有する実設備規模のものである。上部スクリーン2の上方は処理水槽7となっており、逆洗の際には処理水が逆洗水として使用される。
2 上部スクリーン
3 浮上ろ材
4 原水流入口
5 逆洗水排出口
6 調圧水路
7 処理水槽
8 格子状の強度部材
9 パンチングメタル
Claims (3)
- 上向流式の処理槽の内部に上部スクリーンを設けてその下方に浮上ろ材を充填するとともに、処理槽の底部に原水流入口と逆洗水排出口とを設けたろ過槽において、上部スクリーンの開口率を1〜30%とすることにより、逆洗水を均一分散させることを特徴とするろ過槽。
- 上部スクリーンの開口率を1〜10%としたことを特徴とする請求項1記載のろ過槽。
- 上部スクリーンの孔径が1mmより大きく、浮上ろ材のサイズよりも小さいことを特徴とする請求項1記載のろ過槽。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004092293A JP4284222B2 (ja) | 2004-03-26 | 2004-03-26 | ろ過槽 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004092293A JP4284222B2 (ja) | 2004-03-26 | 2004-03-26 | ろ過槽 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005270931A true JP2005270931A (ja) | 2005-10-06 |
JP4284222B2 JP4284222B2 (ja) | 2009-06-24 |
Family
ID=35171132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004092293A Expired - Lifetime JP4284222B2 (ja) | 2004-03-26 | 2004-03-26 | ろ過槽 |
Country Status (1)
Country | Link |
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JP (1) | JP4284222B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012105172A1 (ja) * | 2011-02-02 | 2012-08-09 | メタウォーター株式会社 | ろ過システム |
CN109464846A (zh) * | 2019-01-10 | 2019-03-15 | 郑州碧兴环保科技有限公司 | 一种分层式机械自动化反冲洗污水处理装置 |
-
2004
- 2004-03-26 JP JP2004092293A patent/JP4284222B2/ja not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012105172A1 (ja) * | 2011-02-02 | 2012-08-09 | メタウォーター株式会社 | ろ過システム |
JP2012157842A (ja) * | 2011-02-02 | 2012-08-23 | Metawater Co Ltd | ろ過システム |
US20130299409A1 (en) * | 2011-02-02 | 2013-11-14 | Metawater Co., Ltd. | Filtration system |
US10407317B2 (en) | 2011-02-02 | 2019-09-10 | Metawater Co., Ltd. | Floating filter media filtration system with backwash |
CN109464846A (zh) * | 2019-01-10 | 2019-03-15 | 郑州碧兴环保科技有限公司 | 一种分层式机械自动化反冲洗污水处理装置 |
CN109464846B (zh) * | 2019-01-10 | 2023-09-08 | 郑州碧兴环保科技有限公司 | 一种分层式机械自动化反冲洗污水处理装置 |
Also Published As
Publication number | Publication date |
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JP4284222B2 (ja) | 2009-06-24 |
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