WO2005071314A2 - Bruleur souple a filets paralleles comportant une chambre a tourbillons - Google Patents

Bruleur souple a filets paralleles comportant une chambre a tourbillons Download PDF

Info

Publication number
WO2005071314A2
WO2005071314A2 PCT/EP2005/000332 EP2005000332W WO2005071314A2 WO 2005071314 A2 WO2005071314 A2 WO 2005071314A2 EP 2005000332 W EP2005000332 W EP 2005000332W WO 2005071314 A2 WO2005071314 A2 WO 2005071314A2
Authority
WO
WIPO (PCT)
Prior art keywords
oxygen
gas
containing gas
burner
fuel gas
Prior art date
Application number
PCT/EP2005/000332
Other languages
German (de)
English (en)
Other versions
WO2005071314A3 (fr
Inventor
Volker Häckh
Andreas Kulkies
Original Assignee
Linde Aktiengesellschaft
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
Priority to AU2005206625A priority Critical patent/AU2005206625A1/en
Application filed by Linde Aktiengesellschaft filed Critical Linde Aktiengesellschaft
Priority to BRPI0507029-5A priority patent/BRPI0507029A/pt
Priority to EP05700928A priority patent/EP1706669B1/fr
Priority to US10/586,898 priority patent/US20070287108A1/en
Priority to JP2006549983A priority patent/JP2007518959A/ja
Priority to AT05700928T priority patent/ATE474190T1/de
Priority to DE502005009897T priority patent/DE502005009897D1/de
Priority to PL05700928T priority patent/PL1706669T3/pl
Priority to EA200601111A priority patent/EA008661B1/ru
Priority to CA002554034A priority patent/CA2554034A1/fr
Publication of WO2005071314A2 publication Critical patent/WO2005071314A2/fr
Publication of WO2005071314A3 publication Critical patent/WO2005071314A3/fr
Priority to NO20063738A priority patent/NO330418B1/no

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/60—Devices for simultaneous control of gas and combustion air
    • 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
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
    • F23D14/24—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other at least one of the fluids being submitted to a swirling motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/32—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/70—Baffles or like flow-disturbing devices

Definitions

  • the invention relates to an external mixing burner with a burner head, at least one fuel gas tube and at least one tube for an oxygen-containing gas, wherein the burner head has outlet openings from the fuel gas pipe and from the tube for the oxygen-containing gas. Furthermore, the invention relates to a method for operating an externally mixing burner, which has at least one fuel gas tube and at least one tube for oxygen-containing gas, through which fuel gas or oxygen-containing gas flow to the burner head.
  • External mixing burners are used for a wide variety of applications. For example, for heating and melting of metals or glass, a variety of differently designed burners are used. Finding a burner that is suitable for all phases of the melting process and for different load cases of the furnace is a challenge.
  • Object of the present invention is therefore to develop a burner that can be advantageously used for a variety of applications and for each phase of an application.
  • gas supply lines for fuel gas and oxygen-containing gas are provided, which are each associated with a source of fuel gas or oxygen-containing gas and of which at least one gas supply line opens eccentrically into a swirl chamber between the gas supply and the fuel gas pipe and / or between the gas supply line and the tube for oxygen-containing gas is mounted.
  • At least one of the gas supply lines upstream of the swirl chamber divides into two lines, wherein one of these lines opens eccentrically into the swirl chamber and the other of these lines opens directly into the fuel gas pipe or into the tube for oxygen-containing gas.
  • valves are provided in the gas supply lines, in particular that valves are provided in the part of the gas supply lines in which at least one gas supply line is already divided into two lines, and a control or regulating device is available which controls or regulates the opening degrees of the valves , whereby the shape of the flame of the burner is adjustable.
  • valves are designed as solenoid valves. These allow a gradually variable setting of the flame shape.
  • the solenoid valves can be partially or completely replaced by control valves. These allow a continuously variable adjustment of the flame shape.
  • the swirl chamber preferably has a circular cross-section in a section perpendicular to the longitudinal axis of the fuel gas tube.
  • the gas supply line opens tangentially into the swirl chamber.
  • the stated object is achieved in that the fuel gas and / or the oxygen-containing gas is introduced eccentrically into a swirl chamber in which the fuel gas or the oxygen-containing gas is impinged by a swirl flow and the fuel gas or oxygen-containing gas after leaving the swirl chamber the fuel gas pipe or the tube for oxygen-containing gas is supplied.
  • the per unit time via the swirl chamber and without the swirl chamber supplied to the burner amounts of fuel gas and oxygen-containing gas are controlled or regulated, the fuel gas and the oxygen-containing gas are passed through valves whose degrees of opening are controlled or regulated so that the burner is a flame generated, which has a desired and adjustable via the control or regulation form.
  • both air is suitable as an oxidizing agent, as well as oxygen-containing gas with an oxygen content of air increased oxygen content
  • oxygen-containing gas with an oxygen content of air increased oxygen content
  • oxygen-enriched air is used as the oxygen-containing gas. This has the advantage that it is still inexpensive and also already partially shows the benefits of using oxygen for combustion, which are in the air reduced nitrogen content and the higher achievable combustion temperature.
  • a gas having an oxygen content greater than the oxygen content of air in particular with an oxygen content greater than 30 vol.%.
  • a gas having an oxygen content greater than 70% by volume, in particular greater than 99.5% by volume is used as the oxygen-containing gas.
  • the benefits of oxygen are maximally pronounced, but the cost of the oxidizing agent increases, so that for each application a balance should take place, which oxygen content is technically desirable or necessary and economically justifiable.
  • the swirling gas flow is imparted with a swirling flow.
  • the advantage here is that a good mixing of the fuel with the oxygen with a slightly shortened flame arises.
  • a swirl flow is impressed on the flow of the oxygen-containing gas. This is advantageous because the flame is somewhat shortened here and the burner can be structurally somewhat easier to manufacture.
  • the combustion gas flow and the flow of the oxygen-containing gas are impressed on each other in the same direction swirl flows.
  • the advantage here is that the flame is very short and quiet.
  • a further embodiment of the invention provides that the fuel gas flow and the flow of the oxygen-containing gas to each other opposite swirl flows are impressed. This is recommended in case an extremely short, bushy flame is needed.
  • a significant advantage of the invention is that the change in the flame length can be changed continuously (without changing the amount of fuel during operation). There are no changes to the burner (such as nozzle change) are made. Thus, the current flame length can be reduced to one third of its maximum length.
  • the invention is particularly suitable for processes in which solid material is melted into liquid material, since here the melting materials change in shape and the flame shape of this change can be adapted.
  • Another great advantage of the invention is that the change in the flame length is infinitely and during the operation of the burner, the impression of a swirl flow started and can be stopped again, without the burner would have to be turned off and without any structural changes, such as Changing a conventional swirl disk would be necessary.
  • the change in the shape of the flame takes place via the change at least one of the two gas flows alone on the setting of the opening degree of the valves described, which in turn is done via the control or regulating device having the invention.
  • the external mixing burner according to the invention is particularly suitable for melting metals or glass.
  • Figure 2 is a section along the line A - A
  • Figure 3 is a section along the line B - B.
  • the figures show a burner 1 with a burner head 2, a tube 4 for an oxygen-containing gas and with a fuel gas tube 3 (not shown).
  • the two tubes are arranged concentrically, in such a way that the fuel gas tube 3 is mounted within the tube 4.
  • a thus constructed burner 1 is also called parallel flow burner.
  • fuel gas for example, natural gas is used.
  • Oxygen-enriched air is introduced into the swirl chamber 9 via the gas feed line 7 and the line 7a. There, a swirl flow of the same direction is impressed on this gas stream. In this case, the valve 12 is opened and the valve 13 is closed.
  • the flow of oxygen-enriched air leaves the swirl chamber and is introduced into the tube 4.
  • the natural gas stream is introduced into the fuel gas tube 3.
  • the two gas streams mix and there is a characteristic flame.
  • the shape of the resulting flame depends directly on the setting of the valves 10, 11, 12 and 13.
  • valves 10, 11, 12 and / or 13 By forming the valves 10, 11, 12 and / or 13 as control valves intermediate positions, ie adjustable degrees of opening of these valves are possible. As a result, the shape of the flame is infinitely adjustable. The change in the shape of the flame takes place without difficulty during the operation of the burner 1 by means of the control or regulating device for the valves 10, 11, 12, 13.
  • the supply quantities of fuel gas and oxygen-containing gas must be taken.
  • the once selected supply quantities remain constant during the operation of the burner. Only by the choice of valve positions for the valves 10, 11, 12, 13 a short, bushy and wide flame is generated up to a long, narrow flame.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
  • Pre-Mixing And Non-Premixing Gas Burner (AREA)
  • Combustion Of Fluid Fuel (AREA)
  • Particle Accelerators (AREA)
  • Air Supply (AREA)

Abstract

L'invention concerne un brûleur à mélange externe comprenant une tête de brûleur, au moins un tuyau pour un gaz combustible, et au moins un tuyau pour un gaz oxygéné. Selon l'invention, la tête de brûleur comporte des ouvertures de sortie du tuyau pour le gaz combustible ainsi que du tuyau pour le gaz oxygéné. Le brûleur selon l'invention est caractérisé en ce que des conduites d'amenée de gaz sont prévues pour le gaz combustible et pour le gaz oxygéné et sont respectivement reliées avec une source de gaz combustible et une source de gaz oxygéné, au moins une desdites conduites d'amenée de gaz menant de manière excentrique à une chambre à tourbillons montée entre la conduite d'amenée de gaz et le tuyau pour le gaz combustible et/ou entre la conduite d'amenée de gaz et le tuyau pour le gaz oxygéné. Cette invention concerne en outre un procédé pour faire fonctionner un brûleur à mélange externe comportant au moins un tuyau pour un gaz combustible et au moins un tuyau pour un gaz oxygéné à travers lesquels le gaz combustible ou le gaz oxygéné circule vers la tête de brûleur. Le procédé selon l'invention est caractérisé en ce que le gaz combustible et/ou le gaz oxygéné est/sont introduit(s) de manière excentrique dans une chambre à tourbillons dans laquelle le gaz combustible ou le gaz oxygéné est animé d'un mouvement tourbillonnant, tandis que le gaz combustible ou le gaz oxygéné est introduit dans le tuyau pour le gaz combustible ou le tuyau pour le gaz oxygéné, à sa sortie de la chambre à tourbillons.
PCT/EP2005/000332 2004-01-22 2005-01-14 Bruleur souple a filets paralleles comportant une chambre a tourbillons WO2005071314A2 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
AT05700928T ATE474190T1 (de) 2004-01-22 2005-01-14 Flexibler parallelstrombrenner mit drallkammer
BRPI0507029-5A BRPI0507029A (pt) 2004-01-22 2005-01-14 queimador de corrente paralela flexìvel com cámara de turbilhonamento
EP05700928A EP1706669B1 (fr) 2004-01-22 2005-01-14 Bruleur souple a filets paralleles comportant une chambre a tourbillons
US10/586,898 US20070287108A1 (en) 2004-01-22 2005-01-14 Apparatus and Method for a Burner
JP2006549983A JP2007518959A (ja) 2004-01-22 2005-01-14 ガス旋回室を有するフレキシブル並流式バーナ
AU2005206625A AU2005206625A1 (en) 2004-01-22 2005-01-14 Flexible nozzle mixing burner comprising a swirl chamber
DE502005009897T DE502005009897D1 (de) 2004-01-22 2005-01-14 Flexibler parallelstrombrenner mit drallkammer
CA002554034A CA2554034A1 (fr) 2004-01-22 2005-01-14 Bruleur souple a filets paralleles comportant une chambre a tourbillons
EA200601111A EA008661B1 (ru) 2004-01-22 2005-01-14 Гибко регулируемая прямоточная горелка с камерой завихрения
PL05700928T PL1706669T3 (pl) 2004-01-22 2005-01-14 Elastyczny w eksploatacji palnik dyfuzyjny o równoległym dopływie gazu i powietrza z komorą zawirowania
NO20063738A NO330418B1 (no) 2004-01-22 2006-08-21 Fleksibel parallellstrombrenner med virvelkammer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004003343A DE102004003343A1 (de) 2004-01-22 2004-01-22 Flexibler Parallelstrombrenner mit Drallkammer
DE102004003343.9 2004-01-22

Publications (2)

Publication Number Publication Date
WO2005071314A2 true WO2005071314A2 (fr) 2005-08-04
WO2005071314A3 WO2005071314A3 (fr) 2005-09-09

Family

ID=34745015

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/000332 WO2005071314A2 (fr) 2004-01-22 2005-01-14 Bruleur souple a filets paralleles comportant une chambre a tourbillons

Country Status (15)

Country Link
US (1) US20070287108A1 (fr)
EP (1) EP1706669B1 (fr)
JP (1) JP2007518959A (fr)
KR (1) KR20060132676A (fr)
AT (1) ATE474190T1 (fr)
AU (1) AU2005206625A1 (fr)
BR (1) BRPI0507029A (fr)
CA (1) CA2554034A1 (fr)
DE (2) DE102004003343A1 (fr)
EA (1) EA008661B1 (fr)
ES (1) ES2349012T3 (fr)
NO (1) NO330418B1 (fr)
PL (1) PL1706669T3 (fr)
WO (1) WO2005071314A2 (fr)
ZA (1) ZA200604745B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1637823A1 (fr) * 2004-09-21 2006-03-22 Linde Aktiengesellschaft Four pour la fusion de métaux et procédé aussi bien que l'utilisation pour la fusion de métaux
WO2011080780A1 (fr) * 2009-12-30 2011-07-07 Hysytech S.R.L. Brûleur et dispositif de combustion comprenant ledit brûleur

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013245880A (ja) * 2012-05-25 2013-12-09 Daido Ecomet Co Ltd 粉粒体溶融バーナーおよび粉粒体溶融装置
JP7074623B2 (ja) * 2018-09-07 2022-05-24 東邦瓦斯株式会社 バーナ

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US3240433A (en) * 1963-04-08 1966-03-15 Eclipse Fuel Eng Co Burner construction having casing with tangentially arranged air inlet and swirl chambers
GB1099959A (en) * 1965-10-28 1968-01-17 Janos Miklos Beer Improvements in or relating to burners for pulverised coal or like solid fuel or for liquid or gaseous fuel
GB1205897A (en) * 1967-03-01 1970-09-23 American Gas Ass Burner of gaseous fuel and apparatus embodying same
US3893810A (en) * 1972-12-18 1975-07-08 La Clede Lientz Flare stack burner for odor and pollutant elimination
DE2854395A1 (de) * 1978-12-16 1980-07-03 Vnii Metall Teplotechniki Flachflammengasbrenner
DE3936105A1 (de) * 1989-10-30 1991-05-02 Leuna Werke Veb Drallerzeuger fuer drallbrenner
US5562438A (en) * 1995-06-22 1996-10-08 Burnham Properties Corporation Flue gas recirculation burner providing low Nox emissions
US5846068A (en) * 1997-03-05 1998-12-08 John Zink Company, Division Of Koch Engineering Company, Inc. Flare apparatus and methods
US20030099913A1 (en) * 2001-01-11 2003-05-29 Hisashi Kobayashi Oxygen enhanced switching to combustion of lower rank fuels

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE449301C (de) * 1924-09-13 1927-09-12 Barbara Gaertner Geb Braetsch Brennstoffstaubbrenner mit durch Luft oder mechanische Mittel zugefuehrtem Brennstoffstaub
US3240433A (en) * 1963-04-08 1966-03-15 Eclipse Fuel Eng Co Burner construction having casing with tangentially arranged air inlet and swirl chambers
GB1099959A (en) * 1965-10-28 1968-01-17 Janos Miklos Beer Improvements in or relating to burners for pulverised coal or like solid fuel or for liquid or gaseous fuel
GB1205897A (en) * 1967-03-01 1970-09-23 American Gas Ass Burner of gaseous fuel and apparatus embodying same
US3893810A (en) * 1972-12-18 1975-07-08 La Clede Lientz Flare stack burner for odor and pollutant elimination
DE2854395A1 (de) * 1978-12-16 1980-07-03 Vnii Metall Teplotechniki Flachflammengasbrenner
DE3936105A1 (de) * 1989-10-30 1991-05-02 Leuna Werke Veb Drallerzeuger fuer drallbrenner
US5562438A (en) * 1995-06-22 1996-10-08 Burnham Properties Corporation Flue gas recirculation burner providing low Nox emissions
US5846068A (en) * 1997-03-05 1998-12-08 John Zink Company, Division Of Koch Engineering Company, Inc. Flare apparatus and methods
US20030099913A1 (en) * 2001-01-11 2003-05-29 Hisashi Kobayashi Oxygen enhanced switching to combustion of lower rank fuels

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1637823A1 (fr) * 2004-09-21 2006-03-22 Linde Aktiengesellschaft Four pour la fusion de métaux et procédé aussi bien que l'utilisation pour la fusion de métaux
WO2011080780A1 (fr) * 2009-12-30 2011-07-07 Hysytech S.R.L. Brûleur et dispositif de combustion comprenant ledit brûleur

Also Published As

Publication number Publication date
EP1706669B1 (fr) 2010-07-14
PL1706669T3 (pl) 2010-12-31
JP2007518959A (ja) 2007-07-12
DE102004003343A1 (de) 2005-08-11
BRPI0507029A (pt) 2007-06-05
ATE474190T1 (de) 2010-07-15
US20070287108A1 (en) 2007-12-13
DE502005009897D1 (de) 2010-08-26
EA200601111A1 (ru) 2007-02-27
WO2005071314A3 (fr) 2005-09-09
AU2005206625A1 (en) 2005-08-04
EP1706669A2 (fr) 2006-10-04
ES2349012T3 (es) 2010-12-21
KR20060132676A (ko) 2006-12-21
NO330418B1 (no) 2011-04-11
EA008661B1 (ru) 2007-06-29
NO20063738L (no) 2006-09-21
CA2554034A1 (fr) 2005-08-04
ZA200604745B (en) 2007-11-28

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