EP2084455A1 - Appareil de combustion pour une chaudière à gaz - Google Patents

Appareil de combustion pour une chaudière à gaz

Info

Publication number
EP2084455A1
EP2084455A1 EP07746197A EP07746197A EP2084455A1 EP 2084455 A1 EP2084455 A1 EP 2084455A1 EP 07746197 A EP07746197 A EP 07746197A EP 07746197 A EP07746197 A EP 07746197A EP 2084455 A1 EP2084455 A1 EP 2084455A1
Authority
EP
European Patent Office
Prior art keywords
gas
air
combustion apparatus
combustion
nozzle part
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.)
Withdrawn
Application number
EP07746197A
Other languages
German (de)
English (en)
Other versions
EP2084455A4 (fr
Inventor
Yong Bum Kim
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.)
Kyungdong Navien Co Ltd
Original Assignee
Kyungdong Navien Co Ltd
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 Kyungdong Navien Co Ltd filed Critical Kyungdong Navien Co Ltd
Publication of EP2084455A1 publication Critical patent/EP2084455A1/fr
Publication of EP2084455A4 publication Critical patent/EP2084455A4/fr
Withdrawn legal-status Critical Current

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
    • F23D14/34—Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion 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
    • F23D14/60—Devices for simultaneous control of gas and combustion 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
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • 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
    • F23D14/62—Mixing devices; Mixing tubes
    • 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
    • F23D14/70—Baffles or like flow-disturbing devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/02—Regulating fuel supply conjointly with air supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N3/00—Regulating air supply or draught

Definitions

  • the present invention relates to a combustion apparatus of a gas boiler, and more particularly to a combustion apparatus of a gas boiler, which can improve a Turn- Down Ratio of a burner and can prevent sudden increase of oxygen concentration included in exhaust gas in a low output area, thereby maintaining a high efficiency.
  • a Turn-Down Ratio is set in a gas boiler.
  • the TDR refers to a ratio of a maximum amount of consumed gas to a minimum amount of consumed gas in a gas combustion apparatus capable of controlling the amount of supplied gas. For example, when a maximum amount of consumed gas is 24,000kcal/h and a minimum amount of consumed gas is 8,000kcal/h, the TDR is 3:1.
  • the TDR is limited by the lowest value to which the minimum amount of consumed gas for maintaining a stable flame can be controlled.
  • FIG. 1 is a graph showing a relation between an amount of consumed gas and a gas supply pressure
  • FIG. 2 is a schematic perspective view showing a conventional combustion apparatus
  • FIG. 3 is a graph showing a relation between an oxygen concentration and a dew point temperature. Problems of the conventional combustion apparatus will be described with reference to FIGs. 1 through 3.
  • the supply pressure should be raised by four times. Therefore, in order to set the TDR to be 3: 1, the supply pres sure should have a ratio of 9 : 1. Further, in order to set a TDR to 10 : 1 , the supply pressure should have a ratio of 100: 1. However, it is impossible to unlimitedly increase the supply pressure of gas.
  • a standard gas supply pressure of city gas for home is 200mmH O with an allowable tolerance of +50 and -lOOmmH O. Therefore, it is preferred to set the maximum gas pressure to lOOmmH O or lower in consideration of the allowable tolerance, in order to guarantee stable burning of a burner.
  • a gas valve i.e. governor
  • a gas valve for proportionally controlling the quantity of supplied gas can perform a minimum gas amount control only above a predetermined pressure.
  • the range of the minimum gas amount control depends on characteristics of gas valves, it is preferred that the gas valve for the proportional control is used at a pressure of lOmmH O or higher.
  • the TDR is about 3.15: 1. Accordingly, only by changing the gas pressure, the TDR is limited to be approximately 3: 1.
  • the area of the burner 20 is divided into a one- stage area 21 and a two- stage area 22 at a ratio of 4:6, and then valves 31 and 32 are installed on the gas passage of each divided area. Then, it is possible to obtain proportion control areas as listed in Table 1 below. In Table 1, it is assumed that a TDR for each of the divided areas in the burner is 3: 1.
  • a condensing boiler condenses steam included in exhaust gas and then collects the latent heat of the condensed steam through a heat exchanger, thereby increasing an efficiency of a gas boiler. Therefore, the higher the dew point temperature of the exhaust gas is, the more easily the steam is condensed and thus the higher the efficiency of the boiler is.
  • Reference numerals 33 and 34 not described above denote a proportion control valve and a solenoid valve, respectively. Disclosure of Invention Technical Problem
  • the present invention has been made in view of the above-mentioned problems, and the present invention provides a combustion apparatus of a gas boiler, which has a structure for improving a TDR of a burner and can prevent oxygen concentration of exhaust gas from being increased in a low output area, so as to increase an efficiency of the gas boiler.
  • a combustion apparatus of a gas boiler including: an air blower for supplying air required for combustion; a proportion control valve for controlling a supply flow rate of gas; a nozzle part connected to the proportion control valve, the nozzle part supplying gas according to opening and closing of auxiliary valves and including a plurality of nozzles connected in parallel with one another; a mixing chamber for mixing the air supplied from the air blower and the gas passed through the nozzle part, and then supplying the mixed air and gas to a burner surface; and a controller for controlling the number of rotations of the air blower according to opening and closing of the proportion control valve and the auxiliary valves, so as to supply only an amount of air as much as that required for combustion.
  • the nozzle part includes a plurality of nozzles having different diameters of a portion through which the gas passes.
  • the mixing chamber includes an air distribution plate disposed therein.
  • the gas passed through the nozzle part is introduced into an inlet of the air blower and is then mixed with air.
  • FIG. 1 is a graph showing a relation between an amount of consumed gas and a gas supply pressure
  • FIG. 2 is a schematic perspective view showing a conventional combustion apparatus
  • FIG. 3 is a graph showing a relation between oxygen concentration and dew point temperature
  • FIG. 4 is a view schematically showing a combustion apparatus according to one embodiment of the present invention
  • FIG. 5 is a view schematically showing a combustion apparatus according to another embodiment of the present invention.
  • FIG. 4 is a view schematically showing a combustion apparatus according to one embodiment of the present invention.
  • the present invention provides a structure of a combustion apparatus, which can improve a TDR of a burner and can reduce surplus air, so as to maintain a high efficiency in a low output area.
  • One example of the construction of the combustion apparatus according to the present invention will be described with reference to FIG. 4.
  • the combustion apparatus includes an air blower 110 for supplying air required for combustion, a proportion control valve 153 for adjusting the supply flow rate of gas, a nozzle part 140 which is connected to the proportion control valve 153, supplies gas according to opening and closing of the auxiliary valves 151 and 152, and includes a plurality of nozzles 141 and 142 connected in parallel with each other, a mixing chamber 120 for mixing air supplied from the air blower 110 with a gas passed through the nozzle part 140 and then supplying the mixed air and gas to a burner surface 130, and a controller (not shown) that controls the number of revolutions of the air blower 110 according to opening and closing of the proportion control valve 153 and the auxiliary valves 151 and 152 so as to supply only an amount of air as much as that necessary for combustion.
  • the structure of the burner shown in FIG. 4 includes the mixing chamber 120, which corresponds to a combustion structure of a pre-mixed burner.
  • the pre-mixing burner injects air and gas that have been mixed in advance for complete combustion to the burner surface 130, so that the burner can burn the mixed air and gas.
  • the pre- mixing burner can achieve combustion at a lower surplus air ratio than that of the Bunsen burner, and thus can increase dew point temperature. Therefore, the pre-mixing burner is widely used especially in a condensing boiler.
  • the proportion control valve 153 controls a supply flow rate of gas in a proportion control combustion system 153 for combustion with a control of an air amount and a fuel amount based on the heating power of a necessary burner.
  • a main valve 154 is installed on a gas inlet side of the proportion control valve 153.
  • the main valve 154 which corresponds to an on/off valve, supplies gas by open/close operation.
  • the nozzle part 140 includes a first nozzle
  • the first nozzle 141 and the second nozzle 142 may have the same diameter, but it is preferred that the first nozzle 141 and the second nozzle
  • 142 have different diameters, for example, with a ratio of 4:6, so as to increase the TDR.
  • first nozzle 141 and the second nozzle 142 are shown in FIG. 4, three nozzles or four nozzles can be also constructed to further increase the TDR.
  • a first auxiliary valve 151 which corresponds to an on/off valve for opening or closing a gas supply path to the first nozzle 141, is installed on the gas inflow side of the first nozzle 141, and a second auxiliary valve 152 having the same function as the first auxiliary valve 151 is installed on the gas inflow side of the second nozzle 142.
  • the mixing chamber 120 corresponding to a room where air and gas are mixed, is connected to each of the air blower 110 to which air is supplied and the nozzle part 140 to which gas is supplied.
  • an air distribution plate 121 is installed inside of the mixing chamber 120, so as to prevent air and gas from moving upward directly to the burner surface 130, thereby enabling smooth mixing of the air and the gas.
  • FIG. 5 is a view schematically showing a combustion apparatus according to another embodiment of the present invention.
  • the only difference between the combustion apparatus of the present embodiment and the combustion apparatus of FIG. 4 lies in the location where air and gas are mixed. That is, a pipe line is constructed such that the gas passed through the nozzle part 140 is introduced into an inlet 111 of the air blower 110 and is then mixed with the air.
  • the controller controls the number of revolutions of the air blower 110 according to opening and closing of the proportion control valve 153 and the auxiliary valves 151 and 142, so as to supply only an amount of air as much as the amount necessary for combustion.
  • the amount of gas controlled by the proportion control valve 153 has a value between a maximum of 60% and a minimum of 20%.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Gas Burners (AREA)

Abstract

L'invention concerne un appareil de combustion d'une chaudière à gaz. L'appareil de combustion de la chaudière à gaz comprend une structure qui peut améliorer un rapport de réduction (TDR) d'un brûleur et qui peut augmenter une efficacité d'une chaudière à gaz en empêchant que la concentration en oxygène du gaz d'échappement n'augmente rapidement dans une zone de sortie basse. L'appareil de combustion comprend : une soufflante pour transmettre l'air nécessaire à la combustion ; une vanne de régulation de proportion pour réguler un débit d'alimentation en gaz ; un élément de buse raccordé à la vanne de régulation, l'élément de buse transmettant le gaz selon l'ouverture et la fermeture de vannes auxiliaires, et comprenant une pluralité de buses raccordées en parallèle les unes aux autres ; une chambre de mélange pour mélanger l'air transmis par la soufflante et le gaz passé à travers l'élément de buse, et ensuite transmettre l'air et le gaz mélangés à une surface de brûleur ; et un dispositif de commande pour commander le nombre de rotations de la soufflante selon l'ouverture et la fermeture de la vanne de régulation de proportion et des vannes auxiliaires, afin de transmettre uniquement la quantité d'air nécessaire à la combustion.
EP07746197.8A 2006-12-01 2007-04-26 Appareil de combustion pour une chaudière à gaz Withdrawn EP2084455A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020060120649A KR100805630B1 (ko) 2006-12-01 2006-12-01 가스보일러의 연소장치
PCT/KR2007/002038 WO2008066223A1 (fr) 2006-12-01 2007-04-26 Appareil de combustion pour une chaudière à gaz

Publications (2)

Publication Number Publication Date
EP2084455A1 true EP2084455A1 (fr) 2009-08-05
EP2084455A4 EP2084455A4 (fr) 2014-04-02

Family

ID=39382728

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07746197.8A Withdrawn EP2084455A4 (fr) 2006-12-01 2007-04-26 Appareil de combustion pour une chaudière à gaz

Country Status (6)

Country Link
US (1) US20100047728A1 (fr)
EP (1) EP2084455A4 (fr)
JP (1) JP4792112B2 (fr)
KR (1) KR100805630B1 (fr)
CN (1) CN101553692B (fr)
WO (1) WO2008066223A1 (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120216797A1 (en) * 2011-02-25 2012-08-30 Lennox Hearth Products LLC. Baffle for a fireplace
KR101214745B1 (ko) * 2011-03-25 2012-12-21 주식회사 경동나비엔 유로 분리형 가스-공기 혼합장치
KR101308932B1 (ko) 2012-02-06 2013-09-23 주식회사 경동나비엔 연소기기용 가스 공기 혼합장치
KR101308936B1 (ko) * 2012-02-06 2013-09-23 주식회사 경동나비엔 연소기기용 가스 공기 혼합장치
KR101308922B1 (ko) 2012-02-15 2013-09-23 주식회사 경동나비엔 연소기기용 듀얼 벤츄리
KR20130098816A (ko) * 2012-02-28 2013-09-05 주식회사 경동나비엔 온수기용 듀얼 벤츄리
KR101319256B1 (ko) * 2012-03-05 2013-10-17 주식회사 경동나비엔 연소기기용 가스 공기 혼합장치
KR101338179B1 (ko) 2012-04-23 2013-12-09 주식회사 경동나비엔 턴다운비를 향상시킨 연소장치
TWI471508B (zh) * 2012-08-03 2015-02-01 Grand Mate Co Ltd Gas fireplace and its energy saving device and energy saving control method
KR101331426B1 (ko) * 2012-12-03 2013-11-21 주식회사 경동나비엔 연소기기용 듀얼 벤츄리
US9464805B2 (en) * 2013-01-16 2016-10-11 Lochinvar, Llc Modulating burner
KR101400834B1 (ko) 2013-01-23 2014-05-29 주식회사 경동나비엔 연소장치
KR101448992B1 (ko) * 2013-04-16 2014-10-13 주식회사 경동나비엔 연소기기용 듀얼 벤츄리
KR101407744B1 (ko) * 2013-04-19 2014-06-16 동아콘트롤 주식회사 유량제어부를 구비한 가스레인지
EP2975324A1 (fr) 2014-07-15 2016-01-20 Orkli, S. Coop. Système de combustion approprié pour une chaudière ou un dispositif de chauffage, en particulier une chaudière ou un réchauffeur à condensation
KR101797646B1 (ko) * 2015-12-08 2017-11-15 롯데알미늄 주식회사 순간식 보일러의 계절에 따른 온수 비례제어장치 및 그 방법
KR101709534B1 (ko) * 2016-01-06 2017-02-23 주식회사 경동나비엔 가스사용량 측정이 가능한 연소장치와 가스사용량 측정방법
CN108006946A (zh) * 2016-12-30 2018-05-08 芜湖美的厨卫电器制造有限公司 燃气热水器和燃气热水器燃烧控制方法
CN107764577A (zh) * 2017-11-22 2018-03-06 清远市精旺环保设备有限公司 一种燃烧器的热态性能测试装置
KR102428535B1 (ko) 2017-12-29 2022-08-03 주식회사 경동나비엔 연관식 보일러
KR102364011B1 (ko) 2017-12-29 2022-02-17 주식회사 경동나비엔 연관식 보일러
KR102708667B1 (ko) * 2019-12-10 2024-09-24 주식회사 경동나비엔 다단 제어 가능한 연소장치 및 그 제어방법
CN112410543A (zh) * 2020-12-07 2021-02-26 许玉蕊 一种烧结富氧装置
JP7096930B1 (ja) * 2021-05-06 2022-07-06 三菱重工サーマルシステムズ株式会社 地中熱利用システム、制御装置、制御方法、プログラム
CN115711392A (zh) * 2022-11-14 2023-02-24 珠海格力电器股份有限公司 燃烧器、燃气热水器及其燃烧控制方法
KR102921583B1 (ko) * 2023-06-12 2026-02-02 한화엔진 주식회사 가스 연소 장치
KR102787548B1 (ko) * 2023-12-11 2025-04-01 한국내화 주식회사 선택적 연소 시스템

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL171191C (nl) * 1973-12-20 1983-02-16 Shell Int Research Gasbrander en werkwijze voor partiele verbranding van een gasvormige brandstof.
US3997107A (en) * 1974-04-03 1976-12-14 Raypak, Inc. Servo modulating regulating control system
US3905394A (en) * 1974-04-12 1975-09-16 Digital Dynamics Inc Flow control system
US4602610A (en) * 1981-01-30 1986-07-29 Mcginnis George P Dual-rate fuel flow control system for space heater
US4585161A (en) * 1984-04-27 1986-04-29 Tokyo Gas Company Ltd. Air fuel ratio control system for furnace
CN1007920B (zh) * 1985-07-15 1990-05-09 美国氧化公司 烃类流体燃料燃烧、控制方法及装置
KR910000677B1 (ko) * 1985-07-15 1991-01-31 도오도오 기기 가부시기가이샤 가스 순간식 급탕기(給湯機)
US4634373A (en) * 1985-09-24 1987-01-06 David Rattner Gas-fired radiant heater
JPS62190322A (ja) * 1986-02-18 1987-08-20 Rinnai Corp 燃焼制御装置
FR2595454B1 (fr) * 1986-03-07 1989-01-13 Elettro Termica Sud Spa Chaudiere a gaz
JPS6374946U (fr) * 1986-11-05 1988-05-18
JPH0188117U (fr) * 1987-12-01 1989-06-09
DE68920341T2 (de) * 1988-02-27 1995-05-11 Osaka Gas Co Ltd Gasbrenner.
JPH0350413A (ja) * 1989-07-14 1991-03-05 Rinnai Corp 燃焼器の制御装置
JPH03217704A (ja) * 1990-01-24 1991-09-25 Rinnai Corp 燃焼装置の燃焼方法
US5100313A (en) * 1991-02-05 1992-03-31 Union Carbide Industrial Gases Technology Corporation Coherent jet combustion
US5261602A (en) * 1991-12-23 1993-11-16 Texaco Inc. Partial oxidation process and burner with porous tip
US5199866A (en) * 1992-03-30 1993-04-06 Air Products And Chemicals, Inc. Adjustable momentum self-cooled oxy/fuel burner for heating in high temperature environments
JP3499014B2 (ja) * 1994-09-06 2004-02-23 株式会社ガスター ガス燃焼装置
US5570659A (en) * 1994-09-28 1996-11-05 Slant/Fin Corpoiration Domestic gas-fired boiler
GB9503065D0 (en) * 1995-02-16 1995-04-05 British Gas Plc Apparatus for providing an air/fuel mixture to a fully premixed burner
US6077068A (en) * 1995-08-31 2000-06-20 Ngk Insulators, Ltd. Pulsated combustion apparatus and a method for controlling such a pulsated combustion apparatus
ES2158400T3 (es) * 1996-05-09 2001-09-01 Stiebel Eltron Gmbh & Co Kg Procedimiento para el funcionamiento de un quemador de gas.
DE19627539A1 (de) * 1996-07-09 1998-01-15 Gaggenau Werke Verfahren und Vorrichtung zum Steuern der Flammengröße gasbetriebener Koch- oder Backgeräte
US5899686A (en) * 1996-08-19 1999-05-04 Gas Research Institute Gas burner apparatus having a flame holder structure with a contoured surface
US5732691A (en) * 1996-10-30 1998-03-31 Rheem Manufacturing Company Modulating furnace with two-speed draft inducer
FR2775782B1 (fr) * 1998-03-06 2000-05-05 Theobald Sa A Dispositif de mesure de pression differentielle et dispositif pour la regulation active du rapport air/gaz d'un bruleur utilisant un tel dispositif de mesure
KR20000009881U (ko) * 1998-11-13 2000-06-05 전주범 가스보일러의 버너용 공기분배판
US6619613B1 (en) * 1998-11-24 2003-09-16 Matsushita Electric Industrial Co., Ltd. Gas flow rate controller and gas appliance using the same
JP3851734B2 (ja) * 1998-12-15 2006-11-29 大阪瓦斯株式会社 濃淡燃焼装置
JP2000213714A (ja) * 1999-01-27 2000-08-02 Matsushita Electric Ind Co Ltd 燃焼装置
DE19914282A1 (de) * 1999-03-30 2000-10-05 Leybold Vakuum Gmbh Sperrgas-Ventileinrichtung
US6609904B2 (en) * 2001-01-03 2003-08-26 Wen-Chou Chen Gas furnace control arrangement
JP3884653B2 (ja) * 2002-01-11 2007-02-21 高木産業株式会社 給湯装置
AU2003283298A1 (en) * 2002-11-02 2004-06-07 Bsh Bosch Und Siemens Hausgerate Gmbh Method for operating a cooking hob, and cooking hob
WO2004063629A1 (fr) * 2003-01-13 2004-07-29 BSH Bosch und Siemens Hausgeräte GmbH Rechaud a gaz et procede de fabrication associe
US6840198B2 (en) 2003-05-15 2005-01-11 Kyungdong Boilor Co., Ltd. Air-proportionality type boiler
JP4250127B2 (ja) * 2004-08-06 2009-04-08 高木産業株式会社 給湯装置及びその凍結防止方法
US20100112500A1 (en) * 2008-11-03 2010-05-06 Maiello Dennis R Apparatus and method for a modulating burner controller
KR101214745B1 (ko) * 2011-03-25 2012-12-21 주식회사 경동나비엔 유로 분리형 가스-공기 혼합장치

Also Published As

Publication number Publication date
JP4792112B2 (ja) 2011-10-12
KR100805630B1 (ko) 2008-02-20
JP2010511143A (ja) 2010-04-08
EP2084455A4 (fr) 2014-04-02
CN101553692A (zh) 2009-10-07
US20100047728A1 (en) 2010-02-25
WO2008066223A1 (fr) 2008-06-05
CN101553692B (zh) 2011-03-23

Similar Documents

Publication Publication Date Title
WO2008066223A1 (fr) Appareil de combustion pour une chaudière à gaz
JP5597775B2 (ja) 流路分離型ガス−空気混合装置
JP5948440B2 (ja) 燃焼機器用ガス‐空気混合装置
CN104114947B (zh) 用于燃烧设备的燃气空气混合装置
KR20040063892A (ko) 난방장치
JP2009144948A (ja) 給湯器
WO2005003631A1 (fr) Appareil et procede ameliores pour faire fonctionner des bruleurs utilisant des gaz de combustion recycles
RU2272964C2 (ru) Способ и устройство для подачи топлива в камеру сгорания
JP2015087075A (ja) 燃焼装置を備えた機器設備の排ガス再循環燃焼制御方法
JPS597722A (ja) ガスタ−ビン触媒燃焼器
WO2015103754A1 (fr) Dispositif de mélange de gaz et d'air à plusieurs cavités
RU2309331C1 (ru) Двухступенчатая атмосферная газовая горелка
JP5483049B2 (ja) 燃焼装置
JPH03263502A (ja) 低窒素酸化物バーナ
JPH0627568B2 (ja) 低窒素酸化物バーナ
JPH03217704A (ja) 燃焼装置の燃焼方法
JPH07166891A (ja) ガスタービン制御装置
JPH03263506A (ja) 低窒素酸化物バーナ
EP4367442A1 (fr) Système et procédé de brûleur à gaz à pré-mélange
CN2690760Y (zh) 固体燃料热载体炉
JPH03263501A (ja) 低窒素酸化物バーナ
JPH04151413A (ja) 燃焼装置
JPS62112919A (ja) 燃焼装置
JPH04126915A (ja) 強制燃焼式ガス給湯器
JPH04126903A (ja) ガス給湯器

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20090527

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20140303

RIC1 Information provided on ipc code assigned before grant

Ipc: F23D 14/60 20060101AFI20140225BHEP

Ipc: F23N 1/02 20060101ALI20140225BHEP

Ipc: F23N 1/00 20060101ALI20140225BHEP

Ipc: F23D 14/02 20060101ALI20140225BHEP

17Q First examination report despatched

Effective date: 20141121

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20150824

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20160105