CN202214252U - 螺旋桨形曝气机 - Google Patents

螺旋桨形曝气机 Download PDF

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Publication number
CN202214252U
CN202214252U CN2011201498336U CN201120149833U CN202214252U CN 202214252 U CN202214252 U CN 202214252U CN 2011201498336 U CN2011201498336 U CN 2011201498336U CN 201120149833 U CN201120149833 U CN 201120149833U CN 202214252 U CN202214252 U CN 202214252U
Authority
CN
China
Prior art keywords
tubular shaft
aerator
base end
air flow
end side
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
CN2011201498336U
Other languages
English (en)
Chinese (zh)
Inventor
水野昌大
福本一隆
长川秀实
水田耕市
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 Plant Technologies 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 Plant Technologies Ltd filed Critical Hitachi Plant Technologies Ltd
Application granted granted Critical
Publication of CN202214252U publication Critical patent/CN202214252U/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/14—Activated sludge processes using surface aeration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/91—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with propellers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00—Aeration of stretches of water
    • 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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
CN2011201498336U 2010-05-13 2011-05-12 螺旋桨形曝气机 Expired - Lifetime CN202214252U (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010111290 2010-05-13
JP2010-111290 2010-05-13

Publications (1)

Publication Number Publication Date
CN202214252U true CN202214252U (zh) 2012-05-09

Family

ID=46013517

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201498336U Expired - Lifetime CN202214252U (zh) 2010-05-13 2011-05-12 螺旋桨形曝气机

Country Status (3)

Country Link
JP (1) JP3169124U (ja)
KR (1) KR200478934Y1 (ja)
CN (1) CN202214252U (ja)

Also Published As

Publication number Publication date
KR20110010824U (ko) 2011-11-21
JP3169124U (ja) 2011-07-14
KR200478934Y1 (ko) 2015-12-02

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: HITACHI,LTD.

Free format text: FORMER OWNER: HITACHI PLANT TECHNOLOGIES LTD.

Effective date: 20140306

TR01 Transfer of patent right

Effective date of registration: 20140306

Address after: Tokyo, Japan

Patentee after: Hitachi Ltd.

Address before: Tokyo, Japan, Japan

Patentee before: Hitachi Plant Technologies Ltd.

TR01 Transfer of patent right
CX01 Expiry of patent term

Granted publication date: 20120509

CX01 Expiry of patent term