WO2004012867A3 - Gas eductors and gas educators flotation separators - Google Patents

Gas eductors and gas educators flotation separators Download PDF

Info

Publication number
WO2004012867A3
WO2004012867A3 PCT/GB2003/003300 GB0303300W WO2004012867A3 WO 2004012867 A3 WO2004012867 A3 WO 2004012867A3 GB 0303300 W GB0303300 W GB 0303300W WO 2004012867 A3 WO2004012867 A3 WO 2004012867A3
Authority
WO
WIPO (PCT)
Prior art keywords
gas
liquid
inlet port
educators
eductors
Prior art date
Application number
PCT/GB2003/003300
Other languages
French (fr)
Other versions
WO2004012867A2 (en
Inventor
Neville Ernest Lange
Original Assignee
Axsia Serck Baker Ltd
Neville Ernest Lange
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 Axsia Serck Baker Ltd, Neville Ernest Lange filed Critical Axsia Serck Baker Ltd
Priority to AU2003248966A priority Critical patent/AU2003248966A1/en
Priority to MXPA05001295A priority patent/MXPA05001295A/en
Priority to CA002494201A priority patent/CA2494201A1/en
Priority to BR0313097-5A priority patent/BR0313097A/en
Priority to EP03766448A priority patent/EP1545787A2/en
Publication of WO2004012867A2 publication Critical patent/WO2004012867A2/en
Publication of WO2004012867A3 publication Critical patent/WO2004012867A3/en
Priority to NO20051088A priority patent/NO20051088L/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • 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
    • B01F23/2326—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 adding the flowing main component by suction means, e.g. using an ejector
    • 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
    • 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
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
    • B01F23/454—Mixing liquids with liquids; Emulsifying using flow mixing by injecting a mixture of liquid and gas
    • 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
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • 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
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/25—Mixing by jets impinging against collision plates
    • 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
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3121—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • 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
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
    • 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
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31243—Eductor or eductor-type venturi, i.e. the main flow being injected through the venturi with high speed in the form of a jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1412—Flotation machines with baffles, e.g. at the wall for redirecting settling solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1493—Flotation machines with means for establishing a specified flow pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/24—Pneumatic
    • B03D1/247—Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
    • F04F5/04—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing elastic fluids
    • F04F5/08—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing elastic fluids the elastic fluid being entrained in a free falling column of liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/305—Treatment of water, waste water or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1431—Dissolved air flotation machines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biotechnology (AREA)
  • Combustion & Propulsion (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Physical Water Treatments (AREA)

Abstract

Eductor apparatus (100, 99) is provided for introducing gas into a liquid in a gas flotation cell, the apparatus comprising a clean liquid inlet port (101), the inlet port having an outlet end (104) through which the clean liquid is ejected in a first direction, a gas inlet chamber (187) adjacent to the outlet end of the inlet port for introducing gas to the liquid from a gas inlet port (102), the gas inlet chamber substantially surrounding the flow of liquid when the apparatus is in use, and a gas/liquid mixing and diffusing section (103) wherein gas is entrained within the liquid prior to being ejected from the eductor apparatus into the contaminated liquid, the gas/liquid mixing and diffusing section having a direction of fluid flow substantially transverse to the first direction such that the fluid exits from the gas/liquid mixing and diffusing section substantially radially outwardly relative to said first direction.
PCT/GB2003/003300 2002-08-01 2003-07-28 Gas eductors and gas educators flotation separators WO2004012867A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU2003248966A AU2003248966A1 (en) 2002-08-01 2003-07-28 Gas eductors and gas educators flotation separators
MXPA05001295A MXPA05001295A (en) 2002-08-01 2003-07-28 Gas eductors and gas educators flotation separators.
CA002494201A CA2494201A1 (en) 2002-08-01 2003-07-28 Gas eductors and gas eductors flotation separators
BR0313097-5A BR0313097A (en) 2002-08-01 2003-07-28 Gas eductors and gas eductor flotation separators
EP03766448A EP1545787A2 (en) 2002-08-01 2003-07-28 Improvements in and relating to gas eductors and gas eductor flotation separators
NO20051088A NO20051088L (en) 2002-08-01 2005-02-28 Improvements in and relating to gas inductors and inductor flotation separators

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0217807.7A GB0217807D0 (en) 2002-08-01 2002-08-01 A gas eductor induced gas floation separator
GB0217807.7 2002-08-01

Publications (2)

Publication Number Publication Date
WO2004012867A2 WO2004012867A2 (en) 2004-02-12
WO2004012867A3 true WO2004012867A3 (en) 2004-04-08

Family

ID=9941506

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2003/003300 WO2004012867A2 (en) 2002-08-01 2003-07-28 Gas eductors and gas educators flotation separators

Country Status (8)

Country Link
EP (1) EP1545787A2 (en)
AU (1) AU2003248966A1 (en)
BR (1) BR0313097A (en)
CA (1) CA2494201A1 (en)
GB (1) GB0217807D0 (en)
MX (1) MXPA05001295A (en)
NO (1) NO20051088L (en)
WO (1) WO2004012867A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007022473A1 (en) 2007-05-08 2008-11-13 Klaus Sommer Thin flexible insole for use in footwear, has air and water vapor-permeable barrier for retention of dirt particles in footwear and insole system for ventilation of foot, where insole contains antibacterial, hydrophilic or odorant materials
US20160089679A1 (en) * 2013-05-23 2016-03-31 Dpsms Tecnologia E Inovacao Em Mineracao Ltda Automated system of froth flotation columns with aerators injection nozzles and process thereof
CN115488114B (en) * 2022-07-25 2024-01-30 广西北投交通养护科技集团有限公司 Tunnel drainage system cleaning device and method and cleaning hemisphere structure design method
DE202024000249U1 (en) 2024-02-08 2024-04-25 Klaus Sommer Hygienic shoe insole

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162971A (en) * 1976-07-31 1979-07-31 Bayer Aktiengesellschaft Injectors with deflectors for their use in gassing liquids
US4477341A (en) * 1981-11-07 1984-10-16 J. M. Voith Gmbh Injector apparatus having a constriction in a following adjoining mixing pipe
EP0211982A1 (en) * 1985-08-19 1987-03-04 L'Eau Claire Systems, Inc. Upflow gas eductor induced air flotation separator
US6129212A (en) * 1996-04-17 2000-10-10 Voith Sulzer Stoffaufbereitung Gmbh Flotation process and mixing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162971A (en) * 1976-07-31 1979-07-31 Bayer Aktiengesellschaft Injectors with deflectors for their use in gassing liquids
US4477341A (en) * 1981-11-07 1984-10-16 J. M. Voith Gmbh Injector apparatus having a constriction in a following adjoining mixing pipe
EP0211982A1 (en) * 1985-08-19 1987-03-04 L'Eau Claire Systems, Inc. Upflow gas eductor induced air flotation separator
US6129212A (en) * 1996-04-17 2000-10-10 Voith Sulzer Stoffaufbereitung Gmbh Flotation process and mixing device

Also Published As

Publication number Publication date
NO20051088L (en) 2005-02-28
BR0313097A (en) 2005-06-28
AU2003248966A8 (en) 2004-02-23
AU2003248966A1 (en) 2004-02-23
EP1545787A2 (en) 2005-06-29
GB0217807D0 (en) 2002-09-11
MXPA05001295A (en) 2005-09-30
CA2494201A1 (en) 2004-02-12
WO2004012867A2 (en) 2004-02-12

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