PL78763B1 - - Google Patents
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- Publication number
- PL78763B1 PL78763B1 PL1972159012A PL15901272A PL78763B1 PL 78763 B1 PL78763 B1 PL 78763B1 PL 1972159012 A PL1972159012 A PL 1972159012A PL 15901272 A PL15901272 A PL 15901272A PL 78763 B1 PL78763 B1 PL 78763B1
- Authority
- PL
- Poland
- Prior art keywords
- cutting
- blades
- rotor
- blade
- surface aerator
- Prior art date
Links
- 238000005520 cutting process Methods 0.000 claims description 47
- 238000005276 aerator Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 2
- 238000004140 cleaning Methods 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Knives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1704571A CH531468A (de) | 1971-11-23 | 1971-11-23 | Oberflächenbelüftungskreisel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL78763B1 true PL78763B1 (enrdf_load_stackoverflow) | 1975-06-30 |
Family
ID=4422326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1972159012A PL78763B1 (enrdf_load_stackoverflow) | 1971-11-23 | 1972-11-21 |
Country Status (23)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1502742A (en) * | 1976-01-10 | 1978-03-01 | Hartley Simon Ltd | Rotary surface aerators |
| JPS536899U (enrdf_load_stackoverflow) * | 1976-07-06 | 1978-01-21 | ||
| CH685761A5 (de) * | 1992-07-03 | 1995-09-29 | Sondia Holding Ag | Verfahren zum Belüften von Flüssigkeit, Oberflächenbelüftungskreisel zur Durchführung des Verfahrens und Verwendung des Oberflächenbelüftungskreisels. |
| DE4221845C2 (de) * | 1992-07-03 | 1996-02-22 | Sondia Holding Ag | Verfahren zum Belüften von Flüssigkeit, Oberflächenbelüftungskreisel zur Durchführung des Verfahrens und Verwendung des Oberflächenbelüftungskreisels |
| US20090117672A1 (en) * | 2007-10-01 | 2009-05-07 | Intematix Corporation | Light emitting devices with phosphor wavelength conversion and methods of fabrication thereof |
-
0
- BE BE791671D patent/BE791671A/xx unknown
-
1971
- 1971-11-23 CH CH1704571A patent/CH531468A/de not_active IP Right Cessation
- 1971-12-18 DE DE2163100A patent/DE2163100B2/de active Granted
- 1971-12-20 AT AT1089271A patent/AT308655B/de not_active IP Right Cessation
-
1972
- 1972-11-17 HU HUKA001360 patent/HU166247B/hu unknown
- 1972-11-20 CS CS783772A patent/CS168011B2/cs unknown
- 1972-11-21 PL PL1972159012A patent/PL78763B1/pl unknown
- 1972-11-21 CA CA157,360A patent/CA979124A/en not_active Expired
- 1972-11-21 FR FR7241343A patent/FR2160922B1/fr not_active Expired
- 1972-11-21 ZA ZA728240A patent/ZA728240B/xx unknown
- 1972-11-21 GB GB5367972A patent/GB1403766A/en not_active Expired
- 1972-11-21 NO NO425672A patent/NO133324C/no unknown
- 1972-11-21 IL IL4088572A patent/IL40885A/xx unknown
- 1972-11-22 BG BG021932A patent/BG19119A3/xx unknown
- 1972-11-22 JP JP11763072A patent/JPS5548879B2/ja not_active Expired
- 1972-11-22 RO RO7289172A patent/RO60379A/ro unknown
- 1972-11-22 ES ES408881A patent/ES408881A1/es not_active Expired
- 1972-11-22 IT IT976672A patent/IT969208B/it active
- 1972-11-22 IE IE1625/72A patent/IE37190B1/xx unknown
- 1972-11-22 AU AU49115/72A patent/AU472406B2/en not_active Expired
- 1972-11-22 LU LU66515D patent/LU66515A1/xx unknown
- 1972-11-22 DD DD16702072A patent/DD100230A5/xx unknown
- 1972-11-23 NL NL7215871A patent/NL7215871A/xx unknown
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