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JPS5613087A - Preventing device for clogging of floating type activated sludge air diffusion device - Google Patents

Preventing device for clogging of floating type activated sludge air diffusion device

Info

Publication number
JPS5613087A
JPS5613087A JP8683979A JP8683979A JPS5613087A JP S5613087 A JPS5613087 A JP S5613087A JP 8683979 A JP8683979 A JP 8683979A JP 8683979 A JP8683979 A JP 8683979A JP S5613087 A JPS5613087 A JP S5613087A
Authority
JP
Japan
Prior art keywords
air
feed pipe
air feed
valve
aeration
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
JP8683979A
Other languages
Japanese (ja)
Inventor
Katsuhide Masuda
Tomoki Okada
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.)
Mitsui Miike Machinery Co Ltd
Mitsui Miike Engineering Corp
Original Assignee
Mitsui Miike Machinery Co Ltd
Mitsui Miike Engineering Corp
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 Mitsui Miike Machinery Co Ltd, Mitsui Miike Engineering Corp filed Critical Mitsui Miike Machinery Co Ltd
Priority to JP8683979A priority Critical patent/JPS5613087A/en
Publication of JPS5613087A publication Critical patent/JPS5613087A/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

  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

Abstract

PURPOSE: To prevent the clogging of a floating type activated sludge air-diffusion apparatus by connecting the bottom end of the moisture blow piping provided with a gate device in the upper part to the bottom end of an air feed pipe connecting to a blower.
CONSTITUTION: In an ordinary aeration state, air is supplied through an air feed pipe 4 from an air-diffuser 2 into the mixed liquid 11 in an aeration tank 1, whereby aeration is accomplished. However, when the operation of the blower 3 is stopped owing to accident such as interruption of service or owing to the need in control and operation, the mixed liquid 11 back flows into the air feed pipe 4 and the device 2 through the device 2. Since the resistance of the device 2 is considerably large as compared to the total of the resistance through a moisture blow piping 5 and an automatic control valve 10 and their head difference H, if the valve 10 is next opened simultaneously with the resuming of the aeration, the liquid 11 entered the inside of the air feed pipe 4 is discharged from the piping 5 by the air sent from the air feed pipe 4. When the air begins to be discharged from the valve 10, the valve 10 is automatically closed.
COPYRIGHT: (C)1981,JPO&Japio
JP8683979A 1979-07-11 1979-07-11 Preventing device for clogging of floating type activated sludge air diffusion device Pending JPS5613087A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8683979A JPS5613087A (en) 1979-07-11 1979-07-11 Preventing device for clogging of floating type activated sludge air diffusion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8683979A JPS5613087A (en) 1979-07-11 1979-07-11 Preventing device for clogging of floating type activated sludge air diffusion device

Publications (1)

Publication Number Publication Date
JPS5613087A true JPS5613087A (en) 1981-02-07

Family

ID=13897972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8683979A Pending JPS5613087A (en) 1979-07-11 1979-07-11 Preventing device for clogging of floating type activated sludge air diffusion device

Country Status (1)

Country Link
JP (1) JPS5613087A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000343095A (en) * 1999-06-02 2000-12-12 Mitsubishi Rayon Co Ltd Activated sludge treating device
JP2002205095A (en) * 2001-01-09 2002-07-23 Kubota Corp Sludge transporting apparatus
JP2004330066A (en) * 2003-05-07 2004-11-25 Mie Prefecture Water cleaning block and method for manufacturing the same, and water cleaning equipment using the water cleaning block
US6843908B2 (en) 2000-12-04 2005-01-18 Kubota Corporation Multistage immersion type membrane separator and high-concentration wastewater treatment facility using same
US6843470B2 (en) 2000-12-04 2005-01-18 Kubota Corporation Air diffuser and flushing method thereof
US7186343B2 (en) 1998-10-09 2007-03-06 Zenon Technology Partnership Cyclic aeration system for submerged membrane modules
JP2015039669A (en) * 2013-08-22 2015-03-02 株式会社ハウステック Mobile wastewater treatment system
JP6201014B1 (en) * 2016-07-19 2017-09-20 月島機械株式会社 Aeration system
KR20190008417A (en) 2016-10-04 2019-01-23 가부시키가이샤 아루박 Gate valve

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7186343B2 (en) 1998-10-09 2007-03-06 Zenon Technology Partnership Cyclic aeration system for submerged membrane modules
JP2000343095A (en) * 1999-06-02 2000-12-12 Mitsubishi Rayon Co Ltd Activated sludge treating device
US6843908B2 (en) 2000-12-04 2005-01-18 Kubota Corporation Multistage immersion type membrane separator and high-concentration wastewater treatment facility using same
US6843470B2 (en) 2000-12-04 2005-01-18 Kubota Corporation Air diffuser and flushing method thereof
JP2002205095A (en) * 2001-01-09 2002-07-23 Kubota Corp Sludge transporting apparatus
JP4618899B2 (en) * 2001-01-09 2011-01-26 株式会社クボタ Sludge transfer device
JP2004330066A (en) * 2003-05-07 2004-11-25 Mie Prefecture Water cleaning block and method for manufacturing the same, and water cleaning equipment using the water cleaning block
JP2015039669A (en) * 2013-08-22 2015-03-02 株式会社ハウステック Mobile wastewater treatment system
JP6201014B1 (en) * 2016-07-19 2017-09-20 月島機械株式会社 Aeration system
KR20190008417A (en) 2016-10-04 2019-01-23 가부시키가이샤 아루박 Gate valve

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