GB1424728A - Aerating and agitating apparatus - Google Patents

Aerating and agitating apparatus

Info

Publication number
GB1424728A
GB1424728A GB2501073A GB2501073A GB1424728A GB 1424728 A GB1424728 A GB 1424728A GB 2501073 A GB2501073 A GB 2501073A GB 2501073 A GB2501073 A GB 2501073A GB 1424728 A GB1424728 A GB 1424728A
Authority
GB
United Kingdom
Prior art keywords
vessel
aerating
members
agitating
wall
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
Application number
GB2501073A
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 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 Ltd filed Critical Hitachi Ltd
Priority to GB2501073A priority Critical patent/GB1424728A/en
Publication of GB1424728A publication Critical patent/GB1424728A/en
Expired legal-status Critical Current

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
    • C02F3/20—Activated sludge processes using diffusers
    • 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
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2321—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by moving liquid and gas in counter current
    • 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
    • C02F3/165—Activated sludge processes using surface aeration the aerator having a vertical axis using vertical aeration channels
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/02—Stirrer or mobile mixing elements
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/18—Flow directing inserts
    • C12M27/22—Perforated plates, discs or walls
    • 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)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • Microbiology (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

1424728 Aerating and agitating apparatus HITACHI Ltd 24 May 1973 25010/73 Heading B1C An apparatus for aerating and agitating liquids or slurries comprises a vessel 1, Fig. 1, a gas sparger 5 at the lower end of the vessel and a plurality of vertically spaced perforated members 2 each having a depending skirt 3 extending from its free periphery. A passage is defined between the vessel wall and the skirts 3 for the circulation of the liquid material therethrough. The members 2 may be supported by members 6 Figs. 1, 2, by a central vertical rotary shaft (7 Fig. 3 not shown) for added agitation, or by an edge or edges to the inner wall of the vessel (Figs. 5, 6 not shown). A cooling coil 4 may be provided in the circulation passages.
GB2501073A 1973-05-24 1973-05-24 Aerating and agitating apparatus Expired GB1424728A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2501073A GB1424728A (en) 1973-05-24 1973-05-24 Aerating and agitating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2501073A GB1424728A (en) 1973-05-24 1973-05-24 Aerating and agitating apparatus

Publications (1)

Publication Number Publication Date
GB1424728A true GB1424728A (en) 1976-02-11

Family

ID=10220765

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2501073A Expired GB1424728A (en) 1973-05-24 1973-05-24 Aerating and agitating apparatus

Country Status (1)

Country Link
GB (1) GB1424728A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2121701A (en) * 1982-04-14 1984-01-04 Takeda Chemical Industries Ltd Gas-liquid contacting apparatus
CN111266003A (en) * 2020-02-26 2020-06-12 华电电力科学研究院有限公司 Reciprocating stirring type SCR reactor flue gas flow equalizing device and working method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2121701A (en) * 1982-04-14 1984-01-04 Takeda Chemical Industries Ltd Gas-liquid contacting apparatus
US4519959A (en) * 1982-04-14 1985-05-28 Tatsuro Takeuchi Gas-liquid contacting apparatus
CN111266003A (en) * 2020-02-26 2020-06-12 华电电力科学研究院有限公司 Reciprocating stirring type SCR reactor flue gas flow equalizing device and working method thereof
CN111266003B (en) * 2020-02-26 2023-08-15 华电电力科学研究院有限公司 Reciprocating stirring type SCR reactor flue gas flow equalizing device and working method thereof

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee