JP4197669B2 - 浸漬型膜分離式汚水処理装置及びその運転方法 - Google Patents
浸漬型膜分離式汚水処理装置及びその運転方法 Download PDFInfo
- Publication number
- JP4197669B2 JP4197669B2 JP2004238667A JP2004238667A JP4197669B2 JP 4197669 B2 JP4197669 B2 JP 4197669B2 JP 2004238667 A JP2004238667 A JP 2004238667A JP 2004238667 A JP2004238667 A JP 2004238667A JP 4197669 B2 JP4197669 B2 JP 4197669B2
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- JP
- Japan
- Prior art keywords
- submerged membrane
- permeated water
- valve
- membrane separation
- outlet pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
Description
2…被処理水供給管路
3…浸漬型膜分離装置
4…散気装置
5…ブロワ
6…処理水槽
7…透過水導出管路
8…ポンプ
9,11…開閉弁
10…逆洗用分岐管路
12…弁取り付け管
100…空気抜き弁装置
110…ボール式逆止弁
111…バルブケーシング
114…弁室
115…弁座
116…ボール弁体
120…フロート式液体用空気抜き弁
121…バルブケーシング
124…弁座
124a…空気抜き孔
124b…すり鉢状部
125…蓋体
126…弁室
127…フロートボール
Claims (3)
- 被処理水が流入する曝気槽と、この曝気槽内に浸漬設置した浸漬型膜分離装置と、この浸漬型膜分離装置の分離膜の透過側に連通するとともに曝気槽外の処理水槽へ導かれる透過水導出管路と、この透過水導出管路の途中に介装されたポンプとを備え、前記透過水導出管路を通じて前記ポンプによる吸引負圧を前記浸漬型膜分離装置の分離膜内側に作用させ、分離膜を透過した透過水を前記ポンプで吸引し、前記処理水槽に送る浸漬型膜分離式汚水処理装置において、
前記透過水導出管路における前記浸漬型膜分離装置と前記ポンプとの間の位置に、前記浸漬型膜分離装置に対しての逆洗時には透過水導出管路内の空気を大気中へ排出するともに逆洗用の透過水の水漏れを阻止し、前記浸漬型膜分離装置によるろ過時には透過水の流入と大気空気の透過水導出管路内への侵入とを阻止する空気抜き弁装置を設けたことを特徴とする浸漬型膜分離式汚水処理装置。 - 前記空気抜き弁装置は、逆止弁とフロート式液体用空気抜き弁とを接続して構成されていることを特徴とする請求項1記載の浸漬型膜分離式汚水処理装置。
- 請求項1又は2記載の浸漬型膜分離式汚水処理装置を用いて、透過水の吸引と洗浄水による逆洗とを各所定時間交互に繰り返し行い、ろ過時の透過水の吸引によって透過水導出管路内に滞留した空気を逆洗時に空気抜き弁装置から排出することを特徴とする浸漬型膜分離式汚水処理装置の運転方法。
Priority Applications (1)
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JP2004238667A JP4197669B2 (ja) | 2004-08-18 | 2004-08-18 | 浸漬型膜分離式汚水処理装置及びその運転方法 |
Applications Claiming Priority (1)
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JP2004238667A JP4197669B2 (ja) | 2004-08-18 | 2004-08-18 | 浸漬型膜分離式汚水処理装置及びその運転方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006055718A JP2006055718A (ja) | 2006-03-02 |
JP4197669B2 true JP4197669B2 (ja) | 2008-12-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004238667A Expired - Fee Related JP4197669B2 (ja) | 2004-08-18 | 2004-08-18 | 浸漬型膜分離式汚水処理装置及びその運転方法 |
Country Status (1)
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JP (1) | JP4197669B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009008463A1 (ja) * | 2007-07-12 | 2009-01-15 | Toray Industries, Inc. | 膜分離装置及びろ過処理方法 |
AU2010287655A1 (en) * | 2009-08-25 | 2012-03-29 | Asahi Kasei Chemicals Corporation | Method for cleaning immersion membrane apparatus and immersion membrane apparatus |
CN107639809B (zh) * | 2017-09-27 | 2023-10-10 | 大维塑料技术(南京)有限公司 | 污水净水分离供水系统及具有该系统的挤塑定型台 |
CN113993611A (zh) * | 2019-06-18 | 2022-01-28 | 三菱电机株式会社 | 水处理装置及水处理方法 |
JP2023011370A (ja) * | 2021-07-12 | 2023-01-24 | 株式会社クボタ | 廃水処理方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06327948A (ja) * | 1993-05-26 | 1994-11-29 | Kubota Corp | 固液分離装置 |
JPH06343841A (ja) * | 1993-06-02 | 1994-12-20 | Kubota Corp | 固液分離装置およびその洗浄方法 |
JP3264794B2 (ja) * | 1995-06-08 | 2002-03-11 | 株式会社クボタ | 固液分離装置およびその洗浄方法 |
JP3892960B2 (ja) * | 1998-01-28 | 2007-03-14 | 前澤工業株式会社 | サイホン吸引式浸漬型膜ろ過装置 |
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- 2004-08-18 JP JP2004238667A patent/JP4197669B2/ja not_active Expired - Fee Related
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