JPS5858898U - PH control device - Google Patents

PH control device

Info

Publication number
JPS5858898U
JPS5858898U JP1981152719U JP15271981U JPS5858898U JP S5858898 U JPS5858898 U JP S5858898U JP 1981152719 U JP1981152719 U JP 1981152719U JP 15271981 U JP15271981 U JP 15271981U JP S5858898 U JPS5858898 U JP S5858898U
Authority
JP
Japan
Prior art keywords
meter
adjustment section
air
control device
compares
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.)
Pending
Application number
JP1981152719U
Other languages
Japanese (ja)
Inventor
孝夫 関根
Original Assignee
株式会社明電舎
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 by 株式会社明電舎 filed Critical 株式会社明電舎
Priority to JP1981152719U priority Critical patent/JPS5858898U/en
Publication of JPS5858898U publication Critical patent/JPS5858898U/en
Pending 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)
  • Control Of Non-Electrical Variables (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図はＤｏ濃度と反応速度（ｄｓ／ｄｔ）の関係を示
す図、第２図はＤＯ濃度と硝化率の関係を示す図、第３
図は本考案に係るｐＨ制御装置の一実施例を示すブロッ
ク図、第４図は本考案の他の実施例を示すブロック図で
ある。 −１・・・・・・エアレーションタンク、２・・・・・
・通風路、３・・・・・・ブロワ、４・・・・・・調節
弁、５・・・・・・風量計、６・・・・・・ｐＨ計、７
・・・・・・ｐＨ調節部、８・・・・・・風量調節部、
９・・・・・・ＤＯ調節部。Figure 1 shows the relationship between Do concentration and reaction rate (ds/dt), Figure 2 shows the relationship between DO concentration and nitrification rate, and Figure 3 shows the relationship between DO concentration and nitrification rate.
The figure is a block diagram showing one embodiment of the pH control device according to the present invention, and FIG. 4 is a block diagram showing another embodiment of the present invention. -1... Aeration tank, 2...
・Ventilation duct, 3... Blower, 4... Control valve, 5... Air flow meter, 6... pH meter, 7
...pH adjustment section, 8...Air volume adjustment section,
9...DO adjustment section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エアレーションタンク以降の流路におけるｐＨ値を検出
するｐＨ計と、このｐＨ計の出力を設定値と比較して所
要送気量を算出するｐＨ調節部と、前記エアレーション
タンク内に空気を吹き込む通風路に設置された風量計と
、前記通風路に設置された調節弁と、前記ｐＨ調節部及
び風量計の出力を比較してその偏差が零になるように前
記調節弁の開度を調節する風量調節部とを備えてなるｐ
Ｈ制御装置。　　　゛A pH meter that detects the pH value in the flow path after the aeration tank, a pH adjustment section that compares the output of this pH meter with a set value to calculate the required air supply amount, and a ventilation path that blows air into the aeration tank. an air volume meter installed in the air flow path, a control valve installed in the ventilation path, and an air volume that compares the outputs of the pH adjustment section and the air flow meter and adjusts the opening degree of the control valve so that the deviation becomes zero. and an adjustment section.
H control device.゛
JP1981152719U 1981-10-14 1981-10-14 PH control device Pending JPS5858898U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981152719U JPS5858898U (en) 1981-10-14 1981-10-14 PH control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981152719U JPS5858898U (en) 1981-10-14 1981-10-14 PH control device

Publications (1)

Publication Number Publication Date
JPS5858898U true JPS5858898U (en) 1983-04-21

Family

ID=29945360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981152719U Pending JPS5858898U (en) 1981-10-14 1981-10-14 PH control device

Country Status (1)

Country Link
JP (1) JPS5858898U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6097096A (en) * 1983-10-24 1985-05-30 Masahiro Tamayama Water treating method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6097096A (en) * 1983-10-24 1985-05-30 Masahiro Tamayama Water treating method

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