EP0117472A3 - Atomizer for a liquid fuel burner - Google Patents

Atomizer for a liquid fuel burner Download PDF

Info

Publication number
EP0117472A3
EP0117472A3 EP84101430A EP84101430A EP0117472A3 EP 0117472 A3 EP0117472 A3 EP 0117472A3 EP 84101430 A EP84101430 A EP 84101430A EP 84101430 A EP84101430 A EP 84101430A EP 0117472 A3 EP0117472 A3 EP 0117472A3
Authority
EP
European Patent Office
Prior art keywords
liquid fuel
atomizer
fuel
fuel burner
central duct
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.)
Granted
Application number
EP84101430A
Other versions
EP0117472A2 (en
EP0117472B1 (en
Inventor
Mario Graziadio
Sergio Ligasacchi
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.)
Enel SpA
Original Assignee
Enel SpA
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 Enel SpA filed Critical Enel SpA
Priority to AT84101430T priority Critical patent/ATE34445T1/en
Publication of EP0117472A2 publication Critical patent/EP0117472A2/en
Publication of EP0117472A3 publication Critical patent/EP0117472A3/en
Application granted granted Critical
Publication of EP0117472B1 publication Critical patent/EP0117472B1/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D1/00—Burners for combustion of pulverulent fuel
    • F23D1/005—Burners for combustion of pulverulent fuel burning a mixture of pulverulent fuel delivered as a slurry, i.e. comprising a carrying liquid
    • 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
    • B05B7/08—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
    • B05B7/0892—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 disposed on a circle
    • 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
    • F23D11/101—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 before the burner outlet
    • F23D11/102—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 before the burner outlet in an internal mixing chamber

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)
  • Feeding And Controlling Fuel (AREA)
  • Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
  • Nozzles (AREA)

Abstract

Atomizer (1) for a liquid fuel burner comprising a first mixer (8) for a fuel and an atomizing fluid which bears a central duct (9) for the fuel and a plurality of peripheral ducts (10) for the atomizing fluid which peripheral ducts (10) get to the central duct (9) obliquely or at right angle with respect to the central duct and comprising a second mixer (11) for the liquid fuel and the atomizing fluid already partly mixed one with the other which bears a mixing chamber (12) and a plurality of passages (14) for the delivery of the atomized fuel to a firebox.
EP84101430A 1983-02-24 1984-02-13 Atomizer for a liquid fuel burner Expired EP0117472B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84101430T ATE34445T1 (en) 1983-02-24 1984-02-13 ATOMIZERS FOR A LIQUID FUEL BURNER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT19729/83A IT1161905B (en) 1983-02-24 1983-02-24 ATOMIZER FOR LIQUID FUEL BURNER
IT1972983 1983-02-24

Publications (3)

Publication Number Publication Date
EP0117472A2 EP0117472A2 (en) 1984-09-05
EP0117472A3 true EP0117472A3 (en) 1985-05-22
EP0117472B1 EP0117472B1 (en) 1988-05-18

Family

ID=11160713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84101430A Expired EP0117472B1 (en) 1983-02-24 1984-02-13 Atomizer for a liquid fuel burner

Country Status (5)

Country Link
EP (1) EP0117472B1 (en)
JP (1) JPS6036811A (en)
AT (1) ATE34445T1 (en)
DE (1) DE3471360D1 (en)
IT (1) IT1161905B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0253041B1 (en) * 1986-07-14 1990-05-30 Ente Nazionale Per L'energia Elettrica - (Enel) Improved atomizer for a liquid fuel burner
DE3442148A1 (en) * 1984-11-17 1986-05-28 L. & C. Steinmüller GmbH, 5270 Gummersbach SPRAYER NOZZLE WITH FITTED DISTRIBUTOR CAP TO REDUCE NITROGEN EMISSION WHEN BURNING LIQUID FUELS
CN1010877B (en) * 1986-05-07 1990-12-19 株式会社日立制作所 Atomizer and coal-water slurry fired boiler utilizing same
US4819878A (en) * 1987-07-14 1989-04-11 The Babcock & Wilcox Company Dual fluid atomizer
GB9522336D0 (en) * 1995-11-01 1996-01-03 Benest Roger S Agricultural and horticultural spraying systems
DE19904395A1 (en) * 1999-02-04 2000-08-17 Steinmueller Gmbh L & C Atomizer nozzle uses atomization gas acting on liquid fuel and central fuel feed channel ringed around by atomization gas feed channel, with mixture chamber connecting to fuel feed channel
JP2009014288A (en) * 2007-07-06 2009-01-22 Hokkaido Olympia Kk Burner device
JP5678598B2 (en) * 2010-11-17 2015-03-04 株式会社Ihi Burner and oil spray tip manufacturing method
FR2984995A1 (en) 2011-12-21 2013-06-28 Air Liquide DEVICE AND METHOD FOR SPRAYING COMBUSTIBLE LIQUID
CN103115359B (en) * 2012-12-15 2015-04-08 中国航天科技集团公司第六研究院第十一研究所 Gas-assisted atomizing nozzle of atomization hyperviscous fluid
US11534780B2 (en) 2017-11-14 2022-12-27 General Electric Company Spray nozzle device for delivering a restorative coating through a hole in a case of a turbine engine
US11161128B2 (en) 2017-11-14 2021-11-02 General Electric Company Spray nozzle device for delivering a restorative coating through a hole in a case of a turbine engine
CN107837595A (en) * 2017-12-22 2018-03-27 和氟微孔滤芯科技（苏州）有限公司 A kind of millipore filter atomizing sprayer
CN108580076A (en) * 2018-04-28 2018-09-28 北京航天发射技术研究所 A kind of atomization nozzle and the atomization nozzle using the atomization nozzle
CN114278935B (en) * 2021-12-30 2024-06-07 乔治洛德方法研究和开发液化空气有限公司 Burner, burner module comprising same and heating device
IT202200010448A1 (en) * 2022-05-19 2023-11-19 Dls Lab Srl NEBULIZER DEVICE

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2149115A (en) * 1936-11-27 1939-02-28 Socony Vacuum Oil Co Inc Oil burner
GB534638A (en) * 1939-09-08 1941-03-12 David Robertson Bruce Improvements in and relating to liquid fuel burners of the injection type
US2879948A (en) * 1956-04-18 1959-03-31 Alfred F Seibel Fuel and gaseous mixing unit
USRE24771E (en) * 1960-01-19 Vaporizing and mixing unit
FR2000280A1 (en) * 1968-01-16 1969-09-05 Babcock & Wilcox Co
FR2212497A1 (en) * 1972-12-31 1974-07-26 Ishikawajima Harima Heavy Ind

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49107726U (en) * 1972-12-31 1974-09-13
JPS5610169Y2 (en) * 1978-08-29 1981-03-06

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE24771E (en) * 1960-01-19 Vaporizing and mixing unit
US2149115A (en) * 1936-11-27 1939-02-28 Socony Vacuum Oil Co Inc Oil burner
GB534638A (en) * 1939-09-08 1941-03-12 David Robertson Bruce Improvements in and relating to liquid fuel burners of the injection type
US2879948A (en) * 1956-04-18 1959-03-31 Alfred F Seibel Fuel and gaseous mixing unit
FR2000280A1 (en) * 1968-01-16 1969-09-05 Babcock & Wilcox Co
FR2212497A1 (en) * 1972-12-31 1974-07-26 Ishikawajima Harima Heavy Ind

Also Published As

Publication number Publication date
DE3471360D1 (en) 1988-06-23
ATE34445T1 (en) 1988-06-15
IT1161905B (en) 1987-03-18
JPH0459524B2 (en) 1992-09-22
EP0117472A2 (en) 1984-09-05
JPS6036811A (en) 1985-02-26
IT8319729A0 (en) 1983-02-24
EP0117472B1 (en) 1988-05-18

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