ZA703337B - Improvements in or relating to impellers for the aeration of liquids - Google Patents

Improvements in or relating to impellers for the aeration of liquids

Info

Publication number
ZA703337B
ZA703337B ZA703337A ZA703337A ZA703337B ZA 703337 B ZA703337 B ZA 703337B ZA 703337 A ZA703337 A ZA 703337A ZA 703337 A ZA703337 A ZA 703337A ZA 703337 B ZA703337 B ZA 703337B
Authority
ZA
South Africa
Prior art keywords
impellers
aeration
liquids
relating
Prior art date
Application number
ZA703337A
Other languages
English (en)
Inventor
J Kaelin
Original Assignee
Kaelin J R
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 Kaelin J R filed Critical Kaelin J R
Publication of ZA703337B publication Critical patent/ZA703337B/xx

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

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
ZA703337A 1969-05-19 1970-05-18 Improvements in or relating to impellers for the aeration of liquids ZA703337B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH759369A CH495293A (de) 1969-05-19 1969-05-19 Vertikalachsiger Belüfterkreisel zum Belüften von Flüssigkeiten

Publications (1)

Publication Number Publication Date
ZA703337B true ZA703337B (en) 1971-11-24

Family

ID=4327558

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA703337A ZA703337B (en) 1969-05-19 1970-05-18 Improvements in or relating to impellers for the aeration of liquids

Country Status (22)

Country Link
US (1) US3610590A (fr)
JP (1) JPS4917462B1 (fr)
AT (1) AT295425B (fr)
BE (1) BE750557A (fr)
BG (1) BG17003A3 (fr)
CA (1) CA996924A (fr)
CH (1) CH495293A (fr)
CS (1) CS187308B2 (fr)
DE (1) DE2021731C3 (fr)
DK (1) DK132882C (fr)
FI (1) FI49595C (fr)
FR (1) FR2057665A5 (fr)
GB (1) GB1306555A (fr)
HU (1) HU167131B (fr)
IL (1) IL34534A (fr)
LU (1) LU60938A1 (fr)
NL (1) NL7007204A (fr)
RO (1) RO58402A (fr)
SE (1) SE354640B (fr)
SU (1) SU593654A3 (fr)
YU (1) YU127370A (fr)
ZA (1) ZA703337B (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1263405A (en) * 1970-02-13 1972-02-09 Hartley Simon Ltd Improvements in or relating to aerators
CH522827A (de) * 1971-02-15 1972-05-15 Norm Amc Ag Verfahren zur Verhinderung der Eisbildung und/oder Schmutzablagerung auf der Oberfläche eines Belüftungskreisels, Belüftungskreisel zur Ausführung des Verfahrens und Anwendung des Verfahrens
US3778037A (en) * 1971-05-04 1973-12-11 R Dierbeck Aerator with improved impeller action
BE791664A (fr) * 1971-11-22 1973-03-16 Kaelin J R Centrifugeuse d'aeration de surface pour installation de clarification d'eaux usees
US3850543A (en) * 1972-11-22 1974-11-26 Kaelin J R Surface ventilation rotor
US3984193A (en) * 1974-10-07 1976-10-05 General Motors Corporation Radial-flow turbomachine
FR2293235A1 (fr) * 1974-12-05 1976-07-02 Roland Jean Louis Dispositif pour introduire un gaz dans un liquide
CH591278A5 (fr) * 1975-09-24 1977-09-15 Kaelin J R
GB1502742A (en) * 1976-01-10 1978-03-01 Hartley Simon Ltd Rotary surface aerators
NL169165C (nl) * 1976-05-31 1985-04-16 Dhv Raadgevend Ing Oppervlaktebeluchter.
JPS5361251U (fr) * 1976-10-25 1978-05-24
DE2734963C2 (de) * 1977-08-03 1979-02-22 Gottfried Bischoff Bau Kompl. Gasreinigungs- Und Wasserrueckkuehlanlagen Gmbh & Co Kg, 4300 Essen Oberflächenbelüfter zum Belüften und Umwälzen einer Flüssigkeit bei der biologischen Abwasserreinigung
CH630268A5 (de) * 1978-06-12 1982-06-15 Kaelin J R Oberflaechenbelueftungskreisel.
CH644766A5 (de) * 1979-04-07 1984-08-31 Schaffer Hansueli Und Moser Ru Radialinjektor, bei dem ein gas angesaugt und in eine fluessigkeit eingetragen wird.
DK211281A (da) * 1981-05-13 1982-11-14 A S Frandsen Iltningsanlaeg til vandomraader,isaer fiskedamme
FI75652C (fi) * 1984-08-16 1988-07-11 Sarlin Ab Oy E Loephjul vid en pump, saerskilt vid en virvelstroempump.
US4826398A (en) * 1987-07-06 1989-05-02 Kamyr Ab Medium consistency pump with self-feeding
IL106945A (en) * 1993-09-08 1997-04-15 Ide Technologies Ltd Centrifugal compressor and heat pump containing it
US6715912B2 (en) * 1998-09-28 2004-04-06 The Penn State Research Foundation Surface aeration impellers
US6860631B2 (en) 1998-09-28 2005-03-01 The Penn State Research Foundation Surface aeration impeller designs
US20060204363A1 (en) * 2005-03-14 2006-09-14 Jun-Chien Yen Centrifugal blade unit of a cooling fan
US20070116576A1 (en) * 2005-11-18 2007-05-24 Bor-Haw Chang Fan blade unit in a centrifugal fan

Also Published As

Publication number Publication date
HU167131B (fr) 1975-08-28
YU127370A (en) 1979-04-30
DK132882C (da) 1976-07-26
SE354640B (fr) 1973-03-19
SU593654A3 (ru) 1978-02-15
RO58402A (fr) 1975-09-15
FI49595B (fr) 1975-04-30
DE2021731C3 (de) 1974-05-02
BG17003A3 (bg) 1973-04-25
BE750557A (fr) 1970-11-19
AT295425B (de) 1972-01-10
LU60938A1 (fr) 1970-07-20
FI49595C (fi) 1975-08-11
JPS4917462B1 (fr) 1974-05-01
US3610590A (en) 1971-10-05
CS187308B2 (en) 1979-01-31
IL34534A0 (en) 1970-07-19
DE2021731B2 (de) 1973-09-27
NL7007204A (fr) 1970-11-23
FR2057665A5 (fr) 1971-05-21
IL34534A (en) 1972-08-30
CH495293A (de) 1970-08-31
DK132882B (da) 1976-02-23
GB1306555A (en) 1973-02-14
CA996924A (en) 1976-09-14
DE2021731A1 (de) 1970-11-26

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