JP4653476B2 - ろ材の洗浄方法及びろ過システム - Google Patents
ろ材の洗浄方法及びろ過システム Download PDFInfo
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- JP4653476B2 JP4653476B2 JP2004370545A JP2004370545A JP4653476B2 JP 4653476 B2 JP4653476 B2 JP 4653476B2 JP 2004370545 A JP2004370545 A JP 2004370545A JP 2004370545 A JP2004370545 A JP 2004370545A JP 4653476 B2 JP4653476 B2 JP 4653476B2
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- filtration
- filter medium
- water
- backwashing
- washing
- Prior art date
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- 238000001914 filtration Methods 0.000 title claims description 132
- 238000005406 washing Methods 0.000 title claims description 22
- 238000000034 method Methods 0.000 title claims description 20
- 238000011001 backwashing Methods 0.000 claims description 48
- 239000003899 bactericide agent Substances 0.000 claims description 34
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 23
- 239000000460 chlorine Substances 0.000 claims description 23
- 229910052801 chlorine Inorganic materials 0.000 claims description 23
- 238000004140 cleaning Methods 0.000 claims description 23
- 230000000844 anti-bacterial effect Effects 0.000 claims description 22
- 239000000835 fiber Substances 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 158
- 239000000645 desinfectant Substances 0.000 description 27
- 239000003206 sterilizing agent Substances 0.000 description 19
- 239000000126 substance Substances 0.000 description 10
- 239000005708 Sodium hypochlorite Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 9
- 244000005700 microbiome Species 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 4
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- QDHHCQZDFGDHMP-UHFFFAOYSA-N Chloramine Chemical compound ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 2
- 239000012320 chlorinating reagent Substances 0.000 description 2
- 235000019398 chlorine dioxide Nutrition 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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- Filtration Of Liquid (AREA)
Description
以下、本発明の実施の形態について図面を用いて説明する。図1は、本発明の実施の形態に係るろ材の洗浄方法を用いるろ過システムSの概略構成を示すブロック図である。このろ過システムSでは、ろ材18に対してろ過後の処理水の一部をろ過方向と逆の方向に通過させてろ材18を洗浄する、いわゆる逆洗が行われる。このろ過システムSは、原水供給部1、ろ過部2、排水部3を有して大略構成されている。
V1,V2,V3,V4:バルブ
1:原水供給部
1a:原水配管
2:ろ過部
3:排水部
4:原水槽
5:原水ポンプ
6:流量計
8:殺菌剤添加手段
8a,30:殺菌剤タンク
8b,32:殺菌剤ポンプ
10:逆洗水排水配管
12:塩素濃度計
14:ろ過タンク
16:ストレーナ
18:ろ材
20:レベルスイッチ
22:排水配管
24:処理水槽
24a,24b:水槽
25:仕切版
26:逆洗供給配管(逆洗手段の一部)
28:逆洗ポンプ(逆洗手段の一部)
34:洗浄ブロア
Claims (7)
- ろ材に対してろ過後のろ過対象の一部をろ過方向と逆の方向に通過させて前記ろ材を洗浄する洗浄工程と、
前記洗浄に用いるろ過対象に対してのみろ過前に殺菌剤を添加する工程と、
ろ過後のろ過対象の、前記洗浄に用いるろ過後のろ過対象を貯留する逆洗用ろ過対象貯留槽への流路と、前記洗浄には用いないろ過後のろ過対象を貯留するろ過対象貯留槽への流路とを切り替える工程とを有することを特徴とするろ材の洗浄方法。 - 前記ろ材が長繊維ろ材であることを特徴とする請求項1に記載のろ材の洗浄方法。
- 前記殺菌剤が塩素剤であることを特徴とする請求項1に記載のろ材の洗浄方法。
- 前記添加工程において、前記ろ過対象に対し1mg/L以上かつ50mg/L以下の塩素濃度となるよう前記塩素剤を添加することを特徴とする請求項3に記載のろ材の洗浄方法。
- 前記洗浄後の前記ろ過対象の殺菌剤含有濃度を検出する工程と、
該検出結果が0.5mg/L以上となるように前記殺菌剤の添加量を制御する工程とを有することを特徴とする請求項1に記載のろ材の洗浄方法。 - 前記洗浄に用いるろ過対象のろ過が完了してから所定時間経過後に該ろ過対象を前記ろ過方向と逆の方向に通過させる工程を有することを特徴とする請求項1に記載のろ材の洗浄方法。
- ろ材に対してろ過後のろ過対象の一部をろ過方向と逆の方向に通過させる逆洗手段と、
前記逆洗に用いるろ過対象に対してのみろ過前に殺菌剤を添加する殺菌剤添加手段と、
前記逆洗に用いるろ過後のろ過対象を貯留する逆洗用ろ過対象貯留槽と、
前記逆洗には用いないろ過後のろ過対象を貯留するろ過対象貯留槽と、
ろ過後のろ過対象の前記逆洗用ろ過対象貯留槽への流路と前記ろ過対象貯留槽への流路とを切り替える切り替え手段とを有することを特徴とするろ過システム。
Priority Applications (1)
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JP2004370545A JP4653476B2 (ja) | 2004-12-22 | 2004-12-22 | ろ材の洗浄方法及びろ過システム |
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JP2004370545A JP4653476B2 (ja) | 2004-12-22 | 2004-12-22 | ろ材の洗浄方法及びろ過システム |
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JP2006175342A JP2006175342A (ja) | 2006-07-06 |
JP4653476B2 true JP4653476B2 (ja) | 2011-03-16 |
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JP2004370545A Active JP4653476B2 (ja) | 2004-12-22 | 2004-12-22 | ろ材の洗浄方法及びろ過システム |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4866221B2 (ja) * | 2006-12-07 | 2012-02-01 | オルガノ株式会社 | ろ過処理装置およびろ過処理方法 |
JP5714419B2 (ja) * | 2011-06-14 | 2015-05-07 | オルガノ株式会社 | 長繊維ろ過装置の逆洗方法および長繊維ろ過装置の逆洗装置 |
KR101239260B1 (ko) * | 2012-07-20 | 2013-03-06 | 주식회사 그린환경 | 자동 역세척이 가능한 케미컬 여과필터장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1119490A (ja) * | 1997-07-04 | 1999-01-26 | Ebara Corp | 除濁用膜モジュールのろ過逆洗方法 |
JP2001137849A (ja) * | 1999-11-10 | 2001-05-22 | Hitachi Plant Eng & Constr Co Ltd | 浄水製造システム及び方法 |
JP2001276517A (ja) * | 2000-03-30 | 2001-10-09 | Japan Organo Co Ltd | 濾過塔の洗浄方法 |
JP2003265907A (ja) * | 2002-03-18 | 2003-09-24 | Japan Organo Co Ltd | 長繊維ろ過装置 |
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- 2004-12-22 JP JP2004370545A patent/JP4653476B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1119490A (ja) * | 1997-07-04 | 1999-01-26 | Ebara Corp | 除濁用膜モジュールのろ過逆洗方法 |
JP2001137849A (ja) * | 1999-11-10 | 2001-05-22 | Hitachi Plant Eng & Constr Co Ltd | 浄水製造システム及び方法 |
JP2001276517A (ja) * | 2000-03-30 | 2001-10-09 | Japan Organo Co Ltd | 濾過塔の洗浄方法 |
JP2003265907A (ja) * | 2002-03-18 | 2003-09-24 | Japan Organo Co Ltd | 長繊維ろ過装置 |
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