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NL7116127A - Air injector - for aerating eg surface water - Google Patents

Air injector - for aerating eg surface water

Info

Publication number
NL7116127A
NL7116127A NL7116127A NL7116127A NL7116127A NL 7116127 A NL7116127 A NL 7116127A NL 7116127 A NL7116127 A NL 7116127A NL 7116127 A NL7116127 A NL 7116127A NL 7116127 A NL7116127 A NL 7116127A
Authority
NL
Netherlands
Prior art keywords
aerating
surface water
air injector
injector
pipe
Prior art date
Application number
NL7116127A
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 filed Critical
Priority to NL7116127A priority Critical patent/NL7116127A/en
Publication of NL7116127A publication Critical patent/NL7116127A/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
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1294—"Venturi" aeration means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B01F25/3142—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B01F25/3142—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction
    • B01F25/31425—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction with a plurality of perforations in the axial and circumferential direction covering the whole surface
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (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)
  • Nozzles (AREA)

Abstract

Air injector for aerating e.g. liquid released in surface water, comprises a box built into a pressure liquid pipeline and provided with a stand pipe for the air feed, and an injector-type pipe section for incorporation in the pressure pipe, elements for producing a rotary or vortex motion being installed at least on the inlet side of this pipe section.
NL7116127A 1971-11-24 1971-11-24 Air injector - for aerating eg surface water NL7116127A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7116127A NL7116127A (en) 1971-11-24 1971-11-24 Air injector - for aerating eg surface water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7116127A NL7116127A (en) 1971-11-24 1971-11-24 Air injector - for aerating eg surface water

Publications (1)

Publication Number Publication Date
NL7116127A true NL7116127A (en) 1973-05-28

Family

ID=19814539

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7116127A NL7116127A (en) 1971-11-24 1971-11-24 Air injector - for aerating eg surface water

Country Status (1)

Country Link
NL (1) NL7116127A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0165228A3 (en) * 1984-01-30 1986-11-26 Karl Hutter Apparatus for the aeration of flowing media
EP0377088A1 (en) * 1988-12-23 1990-07-11 Thyssengas Gmbh Method for mixing gases by means of jets
EP0402567A3 (en) * 1989-06-12 1991-03-27 Hazleton Environmental A system and a method for removing dissolved gases and volatile organic chemicals from a liquid
EP1598106A3 (en) * 2004-05-21 2008-04-23 Aga As Nozzle unit
WO2014174154A1 (en) * 2013-04-25 2014-10-30 Sansox Oy Apparatus for mixing additive with liquid
WO2015001190A1 (en) * 2013-07-05 2015-01-08 Sansox Oy Apparatus for treatment of liquid

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0165228A3 (en) * 1984-01-30 1986-11-26 Karl Hutter Apparatus for the aeration of flowing media
EP0377088A1 (en) * 1988-12-23 1990-07-11 Thyssengas Gmbh Method for mixing gases by means of jets
US5560710A (en) * 1988-12-23 1996-10-01 Thyssengas Gmbh Process for mixing gas jets or streams
EP0402567A3 (en) * 1989-06-12 1991-03-27 Hazleton Environmental A system and a method for removing dissolved gases and volatile organic chemicals from a liquid
EP1598106A3 (en) * 2004-05-21 2008-04-23 Aga As Nozzle unit
US7533874B2 (en) 2004-05-21 2009-05-19 Aga Ab Oxygenating nozzle
EP2327470A1 (en) * 2004-05-21 2011-06-01 Aga As Nozzle element
WO2014174154A1 (en) * 2013-04-25 2014-10-30 Sansox Oy Apparatus for mixing additive with liquid
WO2015001190A1 (en) * 2013-07-05 2015-01-08 Sansox Oy Apparatus for treatment of liquid

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