JPH0361995U - - Google Patents

Info

Publication number
JPH0361995U
JPH0361995U JP1989124240U JP12424089U JPH0361995U JP H0361995 U JPH0361995 U JP H0361995U JP 1989124240 U JP1989124240 U JP 1989124240U JP 12424089 U JP12424089 U JP 12424089U JP H0361995 U JPH0361995 U JP H0361995U
Authority
JP
Japan
Prior art keywords
dissolved oxygen
water
treated
respiration rate
activated sludge
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.)
Granted
Application number
JP1989124240U
Other languages
Japanese (ja)
Other versions
JP2502856Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989124240U priority Critical patent/JP2502856Y2/en
Publication of JPH0361995U publication Critical patent/JPH0361995U/ja
Application granted granted Critical
Publication of JP2502856Y2 publication Critical patent/JP2502856Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Activated Sludge Processes (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の実施例による水質制御装置の
ブロツク図、第２図は反応速度の温度特性である
。 １……曝気槽、２……ブロワ、３……最終沈澱
池、４……溶存酸素（ＤＯ計）、５……一活性汚
泥浮遊物（ＭＬＳＳ）計、６……呼吸速度計、７
……水温計、８……呼吸率演算回路、９……溶存
酸素（ＤＯ）演算回路、１０……溶存酸素（ＤＯ
）制御回路。 FIG. 1 is a block diagram of a water quality control device according to an embodiment of the present invention, and FIG. 2 shows temperature characteristics of reaction rate. 1...Aeration tank, 2...Blower, 3...Final sedimentation tank, 4...Dissolved oxygen (DO meter), 5...Monoactivated sludge suspended solids (MLSS) meter, 6...Respirometer, 7
... Water temperature gauge, 8 ... Respiration rate calculation circuit, 9 ... Dissolved oxygen (DO) calculation circuit, 10 ... Dissolved oxygen (DO
) control circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 被処理水の活性汚泥浮遊物濃度、該被処理水中
に生存する活性汚泥の呼吸速度および前記被処理
水の温度を基に前記活性汚泥呼吸率を演算する呼
吸率演算手段と、この呼吸率演算手段により算出
された呼吸率と前記被処理水中の溶存酸素濃度を
基に所定温度に換算した溶存酸素目標値を算出す
る溶存酸素演算手段、および前記被処理水中の溶
存酸素濃度と前記溶存酸素目標値を基に演算処理
して前記被処理水中の溶存酸素濃度を制御する溶
存酸素制御手段によつて構成したことを特徴とす
る水質制御装置。 Respiration rate calculation means for calculating the activated sludge respiration rate based on the activated sludge suspended matter concentration of the water to be treated, the respiration rate of activated sludge existing in the water to be treated, and the temperature of the water to be treated, and this respiration rate calculation means. dissolved oxygen calculation means for calculating a target dissolved oxygen value converted to a predetermined temperature based on the respiration rate calculated by the means and the dissolved oxygen concentration in the water to be treated, and the dissolved oxygen concentration in the water to be treated and the dissolved oxygen target; A water quality control device comprising a dissolved oxygen control means for controlling the dissolved oxygen concentration in the water to be treated by performing arithmetic processing based on the value.
JP1989124240U 1989-10-24 1989-10-24 Water quality control device Expired - Lifetime JP2502856Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989124240U JP2502856Y2 (en) 1989-10-24 1989-10-24 Water quality control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989124240U JP2502856Y2 (en) 1989-10-24 1989-10-24 Water quality control device

Publications (2)

Publication Number Publication Date
JPH0361995U true JPH0361995U (en) 1991-06-18
JP2502856Y2 JP2502856Y2 (en) 1996-06-26

Family

ID=31672172

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989124240U Expired - Lifetime JP2502856Y2 (en) 1989-10-24 1989-10-24 Water quality control device

Country Status (1)

Country Link
JP (1) JP2502856Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012245422A (en) * 2011-05-25 2012-12-13 Hitachi Ltd Water treatment process control device
WO2016132510A1 (en) * 2015-02-19 2016-08-25 三菱重工業株式会社 Industrial effluent treatment system and treatment method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63200896A (en) * 1987-02-16 1988-08-19 Meidensha Electric Mfg Co Ltd Water treating apparatus
JPS6412699U (en) * 1987-07-09 1989-01-23

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63200896A (en) * 1987-02-16 1988-08-19 Meidensha Electric Mfg Co Ltd Water treating apparatus
JPS6412699U (en) * 1987-07-09 1989-01-23

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012245422A (en) * 2011-05-25 2012-12-13 Hitachi Ltd Water treatment process control device
WO2016132510A1 (en) * 2015-02-19 2016-08-25 三菱重工業株式会社 Industrial effluent treatment system and treatment method

Also Published As

Publication number Publication date
JP2502856Y2 (en) 1996-06-26

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term