CH472341A - Ventilation rotor - Google Patents

Ventilation rotor

Info

Publication number
CH472341A
CH472341A CH1547068A CH1547068A CH472341A CH 472341 A CH472341 A CH 472341A CH 1547068 A CH1547068 A CH 1547068A CH 1547068 A CH1547068 A CH 1547068A CH 472341 A CH472341 A CH 472341A
Authority
CH
Switzerland
Prior art keywords
ventilation rotor
ventilation
rotor
Prior art date
Application number
CH1547068A
Other languages
German (de)
Inventor
Ohlander Kjell
Nordstrom Bengt
Original Assignee
Johnson Construction Co Ab
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 Johnson Construction Co Ab filed Critical Johnson Construction Co Ab
Publication of CH472341A publication Critical patent/CH472341A/en

Links

Classifications

    • 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
    • C02F3/16—Activated sludge processes using surface aeration the aerator having a vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/234—Surface aerating
    • B01F23/2342—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force
    • B01F23/23421—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force the stirrers rotating about a vertical axis
    • B01F23/234211—Stirrers thereof
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CH1547068A 1967-10-19 1968-10-16 Ventilation rotor CH472341A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1434567A SE331066B (en) 1967-10-19 1967-10-19

Publications (1)

Publication Number Publication Date
CH472341A true CH472341A (en) 1969-05-15

Family

ID=20298945

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1547068A CH472341A (en) 1967-10-19 1968-10-16 Ventilation rotor

Country Status (7)

Country Link
CH (1) CH472341A (en)
DE (1) DE1803940A1 (en)
DK (1) DK131182B (en)
FI (1) FI44787C (en)
FR (1) FR1592584A (en)
GB (1) GB1210135A (en)
SE (1) SE331066B (en)

Also Published As

Publication number Publication date
DK131182B (en) 1975-06-09
SE331066B (en) 1970-12-07
GB1210135A (en) 1970-10-28
DE1803940A1 (en) 1969-05-14
DK131182C (en) 1975-11-10
FR1592584A (en) 1970-05-19
FI44787C (en) 1971-12-10
FI44787B (en) 1971-08-31

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Legal Events

Date Code Title Description
PL Patent ceased