WO1998001228A3 - Rayleigh-breakup atomizing devices and methods of making rayleigh-breakup atomizing devices - Google Patents

Rayleigh-breakup atomizing devices and methods of making rayleigh-breakup atomizing devices Download PDF

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Publication number
WO1998001228A3
WO1998001228A3 PCT/US1997/011622 US9711622W WO9801228A3 WO 1998001228 A3 WO1998001228 A3 WO 1998001228A3 US 9711622 W US9711622 W US 9711622W WO 9801228 A3 WO9801228 A3 WO 9801228A3
Authority
WO
WIPO (PCT)
Prior art keywords
rayleigh
atomizing devices
breakup
liquid
gas
Prior art date
Application number
PCT/US1997/011622
Other languages
French (fr)
Other versions
WO1998001228A9 (en
WO1998001228A2 (en
Inventor
Perry R Skeath
John R Saylor
Amy L Rovelstad
Original Assignee
Spraychip Systems Corp
Perry R Skeath
John R Saylor
Amy L Rovelstad
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 Spraychip Systems Corp, Perry R Skeath, John R Saylor, Amy L Rovelstad filed Critical Spraychip Systems Corp
Priority to EP97911577A priority Critical patent/EP0910478A4/en
Priority to US09/214,780 priority patent/US6189813B1/en
Priority to BR9714615-3A priority patent/BR9714615A/en
Priority to AU48909/97A priority patent/AU728998B2/en
Priority to JP50527898A priority patent/JP2001522296A/en
Publication of WO1998001228A2 publication Critical patent/WO1998001228A2/en
Publication of WO1998001228A3 publication Critical patent/WO1998001228A3/en
Publication of WO1998001228A9 publication Critical patent/WO1998001228A9/en

Links

Classifications

    • 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
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • 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
    • 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
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • 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
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/08—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape of pulsating nature, e.g. delivering liquid in successive separate quantities ; Fluidic oscillators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/40—Filters located upstream of the spraying outlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
    • B05B17/0692—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by a fluid
    • 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
    • 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
    • B05B7/0433—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 gas surrounded by an external conduit of liquid upstream the mixing 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
    • B05B7/0416—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
    • B05B7/0458—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 the gas and liquid flows being perpendicular just upstream the mixing 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
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0884—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being aligned
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/14—Other methods of shaping glass by gas- or vapour- phase reaction processes
    • C03B19/1415—Reactant delivery systems
    • C03B19/1423—Reactant deposition burners
    • 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
    • F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
    • F23D11/106—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting at the burner outlet
    • F23D11/107—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting at the burner outlet at least one of both being subjected to a swirling 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
    • F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
    • F23D11/108—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel intersecting downstream of the burner outlet
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/02—Elongated flat flame or slit-nozzle type
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/04—Multi-nested ports
    • C03B2207/06—Concentric circular ports
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/04—Multi-nested ports
    • C03B2207/08—Recessed or protruding ports
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/30—For glass precursor of non-standard type, e.g. solid SiH3F
    • C03B2207/34—Liquid, e.g. mist or aerosol
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14482—Burner nozzles incorporating a fluidic oscillator

Abstract

Atomizing devices (40, 60, 70, 80, 94) are provided that form droplets through the Rayleigh breakup mechanism. Various embodiments include one or more of the following features. Liquid orifices (48) form jets of liquid that form droplets. Gas orifices (46) provide gas coflow that inhibits coalescence of the droplets. The liquid orifices (48) can have non-circular cross-sectional shapes to promote Rayleigh breakup. Fluidic oscillators (101) can also be provided to promote Rayleigh breakup. Supply networks (58, 50, 52, 60, 54, 56) are provided to supply gas and liquid to the gas and liquid orifices (46, 48), respectively.
PCT/US1997/011622 1996-07-08 1997-07-08 Rayleigh-breakup atomizing devices and methods of making rayleigh-breakup atomizing devices WO1998001228A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP97911577A EP0910478A4 (en) 1996-07-08 1997-07-08 Rayleigh-breakup atomizing devices and methods of making rayleigh-breakup atomizing devices
US09/214,780 US6189813B1 (en) 1996-07-08 1997-07-08 Rayleigh-breakup atomizing devices and methods of making rayleigh-breakup atomizing devices
BR9714615-3A BR9714615A (en) 1996-07-08 1997-07-08 Rayleigh Drop Atomization Device and 05 rayleigh Drop Atomization Manufacturing Processes
AU48909/97A AU728998B2 (en) 1996-07-08 1997-07-08 Rayleigh-breakup atomizing devices and methods of making rayleigh-breakup atomizing devices
JP50527898A JP2001522296A (en) 1996-07-08 1997-07-08 Rayleigh split-spray device and method of making Rayleigh split-spray device

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US2130796P 1996-07-08 1996-07-08
US2130896P 1996-07-08 1996-07-08
US2130996P 1996-07-08 1996-07-08
US60/021,308 1996-07-08
US60/021,307 1996-07-08
US60/021,309 1996-07-08

Publications (3)

Publication Number Publication Date
WO1998001228A2 WO1998001228A2 (en) 1998-01-15
WO1998001228A3 true WO1998001228A3 (en) 1998-05-07
WO1998001228A9 WO1998001228A9 (en) 1998-07-16

Family

ID=27361615

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/011622 WO1998001228A2 (en) 1996-07-08 1997-07-08 Rayleigh-breakup atomizing devices and methods of making rayleigh-breakup atomizing devices

Country Status (9)

Country Link
US (2) US6189813B1 (en)
EP (1) EP0910478A4 (en)
JP (1) JP2001522296A (en)
KR (1) KR20000023643A (en)
CN (1) CN1092546C (en)
AU (1) AU728998B2 (en)
BR (1) BR9714615A (en)
CA (1) CA2259617A1 (en)
WO (1) WO1998001228A2 (en)

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JP2001522296A (en) 2001-11-13
EP0910478A2 (en) 1999-04-28
WO1998001228A2 (en) 1998-01-15
US6378788B1 (en) 2002-04-30
CN1092546C (en) 2002-10-16
KR20000023643A (en) 2000-04-25
AU728998B2 (en) 2001-01-25
AU4890997A (en) 1998-02-02
CN1237119A (en) 1999-12-01
BR9714615A (en) 2004-04-06
US6189813B1 (en) 2001-02-20
EP0910478A4 (en) 1999-09-01
CA2259617A1 (en) 1998-01-15

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