DE59709924D1 - Two-stage pressure atomizer nozzle - Google Patents

Two-stage pressure atomizer nozzle

Info

Publication number
DE59709924D1
DE59709924D1 DE59709924T DE59709924T DE59709924D1 DE 59709924 D1 DE59709924 D1 DE 59709924D1 DE 59709924 T DE59709924 T DE 59709924T DE 59709924 T DE59709924 T DE 59709924T DE 59709924 D1 DE59709924 D1 DE 59709924D1
Authority
DE
Germany
Prior art keywords
stage pressure
atomizer nozzle
pressure atomizer
nozzle
stage
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 - Lifetime
Application number
DE59709924T
Other languages
German (de)
Inventor
Dr Jansohn
Dr Steinbach
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.)
General Electric Switzerland GmbH
Original Assignee
Alstom Schweiz AG
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 Alstom Schweiz AG filed Critical Alstom Schweiz AG
Application granted granted Critical
Publication of DE59709924D1 publication Critical patent/DE59709924D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/24—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space
    • F23D11/26—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space with provision for varying the rate at which the fuel is sprayed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0441—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
    • B05B7/0475—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber with means for deflecting the peripheral gas flow towards the central liquid flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details, e.g. burner cooling means, noise reduction means
    • F23D11/38—Nozzles; Cleaning devices therefor
    • F23D11/383—Nozzles; Cleaning devices therefor with swirl means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details, e.g. burner cooling means, noise reduction means
    • F23D11/40—Mixing tubes or chambers; Burner heads
    • F23D11/402—Mixing chambers downstream of the nozzle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/07002—Premix burners with air inlet slots obtained between offset curved wall surfaces, e.g. double cone burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2204/00—Burners adapted for simultaneous or alternative combustion having more than one fuel supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles For Spraying Of Liquid Fuel (AREA)
DE59709924T 1997-12-22 1997-12-22 Two-stage pressure atomizer nozzle Expired - Lifetime DE59709924D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19970811007 EP0924460B1 (en) 1997-12-22 1997-12-22 Two-stage pressurised atomising nozzle

Publications (1)

Publication Number Publication Date
DE59709924D1 true DE59709924D1 (en) 2003-05-28

Family

ID=8230538

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59709924T Expired - Lifetime DE59709924D1 (en) 1997-12-22 1997-12-22 Two-stage pressure atomizer nozzle

Country Status (2)

Country Link
EP (1) EP0924460B1 (en)
DE (1) DE59709924D1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6755024B1 (en) * 2001-08-23 2004-06-29 Delavan Inc. Multiplex injector
FR2902350B1 (en) * 2006-06-15 2009-03-20 Egci Pillard Sa ATOMIZED REACTIVE LIQUID INJECTION SYSTEM FOR REDUCTION OF COMBUSTION GAS NITROGEN OXIDES
DE102008017913A1 (en) * 2008-04-08 2009-10-15 Alfons Kenter Nozzle for atomizing a liquid
MX2010014161A (en) 2008-06-25 2011-06-20 Battelle Memorial Institute Aerosol device.
RU2379058C1 (en) * 2008-06-25 2010-01-20 Федеральное государственное унитарное предприятие Государственный научно-исследовательский институт особо чистых биопрепаратов Федерального медико-биологического агентства Method of aerosol disinfection of enclosed spaces
CN102019236B (en) * 2011-01-04 2013-05-01 北京航空航天大学 Self-oscillation jet impact-type nozzle for atomizing complex fluids
WO2012129719A1 (en) * 2011-03-28 2012-10-04 北京航空航天大学 Self-excitation oscillation jet impact nozzle having resonant cavity with taper reflecting surface
CN102161020B (en) * 2011-03-28 2013-03-06 北京航空航天大学 Self-excited vibration jet impact type nozzle with conical reflecting surface resonant cavity
WO2014133639A1 (en) 2013-02-28 2014-09-04 United Technologies Corporation Variable swirl fuel nozzle
CN103406220B (en) * 2013-08-29 2016-12-28 武汉奇斯科技有限公司 A kind of micron order liquid atomizing gun
CN103506233B (en) * 2013-09-15 2016-01-20 中国科学院过程工程研究所 A kind of two-fluid injection apparatus of double atomization
CN104596918B (en) * 2015-01-20 2017-05-24 中国人民解放军装备学院 Multiple-parameter continuously adjustable jet flow impact atomization testing device under opening environment
CN108480071B (en) * 2018-04-27 2024-05-03 东方电气洁能科技成都有限公司 Pulsation atomizer
CN111249496B (en) * 2020-03-18 2021-01-22 湖南翰坤实业有限公司 Intelligent atomization sterilizer
CN114688525A (en) * 2020-12-31 2022-07-01 大连理工大学 Spray nozzle
CN112916545B (en) * 2021-01-20 2022-07-15 苏州雅达水工设备制造有限公司 Full-coverage automatic cleaning and sterilizing device for water tank

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4435266A1 (en) 1994-10-01 1996-04-04 Abb Management Ag burner
DE19608349A1 (en) 1996-03-05 1997-09-11 Abb Research Ltd Pressure atomizer nozzle

Also Published As

Publication number Publication date
EP0924460A1 (en) 1999-06-23
EP0924460B1 (en) 2003-04-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition