JPS5534116A - Aeration device - Google Patents

Aeration device

Info

Publication number
JPS5534116A
JPS5534116A JP10621678A JP10621678A JPS5534116A JP S5534116 A JPS5534116 A JP S5534116A JP 10621678 A JP10621678 A JP 10621678A JP 10621678 A JP10621678 A JP 10621678A JP S5534116 A JPS5534116 A JP S5534116A
Authority
JP
Japan
Prior art keywords
water level
point
air blow
blow source
issues
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
JP10621678A
Other languages
Japanese (ja)
Inventor
Minoru Iwata
Yasuhiro Yahagi
Yoshimasa Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10621678A priority Critical patent/JPS5534116A/en
Publication of JPS5534116A publication Critical patent/JPS5534116A/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

Abstract

PURPOSE: To obtain an aeration facility capable of automatically adjusting the replenishing amount of air depending on the water level in the tank, in order to carry out aeration treatment always under optimum conditions.
CONSTITUTION: When the water level in an adjusting tank 1 is higher than H1, an air blow source control means 9 issues a command for operation of all unit blowers 41, 42, 43, 44. An air blow source 6 continues operation on point a in the characteristic curve l4 capable of supplying pressure loss corresponding to the sum of the water level and ventilation resistance. If the water level drops due to some reason, the operating point of the air blow source 6 changes from point a to point b. When drop of water level below H1 is detected by a water level detecting means 7, the air blow source control means 9 issues an operation command to unit blowers 41, 42. Then, the air blow source 6 continues operation on point c in the characteristic curve l2. When the water level further decreases, the operating point of the air blow source 6 changes from point c to point d in the characteristic curve l2. If the water level decreases further more untile lower than H2, the air blow source control means 9 issues an operation command to the unit blower 42.
COPYRIGHT: (C)1980,JPO&Japio
JP10621678A 1978-09-01 1978-09-01 Aeration device Pending JPS5534116A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10621678A JPS5534116A (en) 1978-09-01 1978-09-01 Aeration device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10621678A JPS5534116A (en) 1978-09-01 1978-09-01 Aeration device

Publications (1)

Publication Number Publication Date
JPS5534116A true JPS5534116A (en) 1980-03-10

Family

ID=14427946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10621678A Pending JPS5534116A (en) 1978-09-01 1978-09-01 Aeration device

Country Status (1)

Country Link
JP (1) JPS5534116A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742393A (en) * 1980-08-25 1982-03-09 Nippon Kentetsu Co Ltd Active sludge treating apparatus
JPS6023141U (en) * 1983-07-26 1985-02-16 川崎製鉄株式会社 shipping equipment
JPH01231795A (en) * 1988-12-02 1989-09-18 Nippon Steel Corp Suspending tool for automatic slinging work
US5207795A (en) * 1989-10-18 1993-05-04 Sankyu, Inc. Automatic lifting angle adjuster for lifting wire rope
JP2020151628A (en) * 2019-03-18 2020-09-24 住友重機械エンバイロメント株式会社 Diffusion system and operation method for the diffusion system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742393A (en) * 1980-08-25 1982-03-09 Nippon Kentetsu Co Ltd Active sludge treating apparatus
JPS6023141U (en) * 1983-07-26 1985-02-16 川崎製鉄株式会社 shipping equipment
JPH01231795A (en) * 1988-12-02 1989-09-18 Nippon Steel Corp Suspending tool for automatic slinging work
US5342104A (en) * 1989-10-16 1994-08-30 Sankyu Inc. Automatic lifting angle adjuster for lifting wire rope
US5207795A (en) * 1989-10-18 1993-05-04 Sankyu, Inc. Automatic lifting angle adjuster for lifting wire rope
JP2020151628A (en) * 2019-03-18 2020-09-24 住友重機械エンバイロメント株式会社 Diffusion system and operation method for the diffusion system

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