JP6643086B2 - 活性汚泥法を用いた監視制御システム - Google Patents
活性汚泥法を用いた監視制御システム Download PDFInfo
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- JP6643086B2 JP6643086B2 JP2016000331A JP2016000331A JP6643086B2 JP 6643086 B2 JP6643086 B2 JP 6643086B2 JP 2016000331 A JP2016000331 A JP 2016000331A JP 2016000331 A JP2016000331 A JP 2016000331A JP 6643086 B2 JP6643086 B2 JP 6643086B2
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- sewage
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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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Description
以下、図面を用いて実施例を説明する。
103 生物反応槽前段供給水
105 生物反応槽後段供給水
107 処理水
108 簡易放流水
100 下水処理設備
110 水質計
115 流量計
120 流量調整弁
150 最初沈殿池
160 生物反応槽
170 最初沈殿池
200 監視制御システム
201 表示手段
202 キーボード
210 活性汚泥モデルシミュレータ
220 モデルデータベース
230 モデルエンジン
250 制御モジュール
255 信号出力手段
260 信号入力手段
270 制御手段
290 制御データベース
301 制御信号
302 計測値
Claims (4)
- 活性汚泥法による監視制御システムにおいて、
流入下水の流量と水質を計測する計測手段と、
生物反応槽後段で生物吸着することが可能な生物吸着量上限値を算出する演算手段と、
前記計測手段で計測した流入下水水質と前記演算手段で算出した前記生物吸着量上限値に基づいて、生物反応槽前段と後段にステップ流入させる下水供給量を決定する制御手段と、
を具備することを特徴とする監視制御システム。 - 請求項1において、前記計測手段が少なくとも流入下水中の汚濁有機物を計測する水質計測手段を具備することを特徴とする監視制御システム。
- 請求項1において、前記生物吸着量上限値の推定は、生物吸着量と、少なくとも活性汚泥濃度または水温と、の関係を表す活性汚泥モデルを用いることを特徴とする監視制御システム。
- 請求項1において、さらに、表示手段を具備し、前記表示手段は、前記計測手段で計測した流入下水の流量、水質及び前記制御手段で決定した生物反応槽前段と後段にステップ流入させる下水供給量を可視化することを特徴とする監視制御システム。
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JP6643086B2 true JP6643086B2 (ja) | 2020-02-12 |
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Families Citing this family (2)
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JP6845775B2 (ja) * | 2017-09-19 | 2021-03-24 | 株式会社日立製作所 | 水処理制御装置及び水処理システム |
JP7103598B2 (ja) * | 2018-07-04 | 2022-07-20 | 株式会社日立製作所 | 水処理制御装置及び水処理システム |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07115025B2 (ja) * | 1987-01-16 | 1995-12-13 | 株式会社明電舎 | Sviを用いたバルキング制御方法 |
JP4513368B2 (ja) * | 2004-03-19 | 2010-07-28 | 栗田工業株式会社 | 下水処理方法及び装置 |
JP2005279386A (ja) * | 2004-03-29 | 2005-10-13 | Kurita Water Ind Ltd | 排水処理装置 |
JP2007083153A (ja) * | 2005-09-21 | 2007-04-05 | Kurita Water Ind Ltd | 下水処理方法及び装置 |
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