JPH0470077B2 - - Google Patents

Info

Publication number
JPH0470077B2
JPH0470077B2 JP62312820A JP31282087A JPH0470077B2 JP H0470077 B2 JPH0470077 B2 JP H0470077B2 JP 62312820 A JP62312820 A JP 62312820A JP 31282087 A JP31282087 A JP 31282087A JP H0470077 B2 JPH0470077 B2 JP H0470077B2
Authority
JP
Japan
Prior art keywords
stirring blade
draft tube
center
aeration device
blade
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.)
Expired - Lifetime
Application number
JP62312820A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01155996A (ja
Inventor
Hidemi Osagawa
Tatsuyuki Wada
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 Kiden Kogyo Ltd
Original Assignee
Hitachi Kiden Kogyo 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 Kiden Kogyo Ltd filed Critical Hitachi Kiden Kogyo Ltd
Priority to JP62312820A priority Critical patent/JPH01155996A/ja
Publication of JPH01155996A publication Critical patent/JPH01155996A/ja
Publication of JPH0470077B2 publication Critical patent/JPH0470077B2/ja
Granted 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)
JP62312820A 1987-12-10 1987-12-10 曝気装置 Granted JPH01155996A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62312820A JPH01155996A (ja) 1987-12-10 1987-12-10 曝気装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62312820A JPH01155996A (ja) 1987-12-10 1987-12-10 曝気装置

Publications (2)

Publication Number Publication Date
JPH01155996A JPH01155996A (ja) 1989-06-19
JPH0470077B2 true JPH0470077B2 (en]) 1992-11-09

Family

ID=18033810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62312820A Granted JPH01155996A (ja) 1987-12-10 1987-12-10 曝気装置

Country Status (1)

Country Link
JP (1) JPH01155996A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007139306A (ja) * 2005-11-18 2007-06-07 Matsushita Electric Ind Co Ltd 操作パネル及びこれを用いた高周波加熱調理器

Also Published As

Publication number Publication date
JPH01155996A (ja) 1989-06-19

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