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WO2008078279A2 - Chambre de combustion - Google Patents

Chambre de combustion Download PDF

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Publication number
WO2008078279A2
WO2008078279A2 PCT/IB2007/055184 IB2007055184W WO2008078279A2 WO 2008078279 A2 WO2008078279 A2 WO 2008078279A2 IB 2007055184 W IB2007055184 W IB 2007055184W WO 2008078279 A2 WO2008078279 A2 WO 2008078279A2
Authority
WO
WIPO (PCT)
Prior art keywords
combustion
gas
combustion gas
combustion chamber
outlet
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.)
Ceased
Application number
PCT/IB2007/055184
Other languages
English (en)
Other versions
WO2008078279A3 (fr
Inventor
Pinar Unsal
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.)
Turk Demir Dokum Fabrikalari AS
Original Assignee
Turk Demir Dokum Fabrikalari AS
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 Turk Demir Dokum Fabrikalari AS filed Critical Turk Demir Dokum Fabrikalari AS
Publication of WO2008078279A2 publication Critical patent/WO2008078279A2/fr
Publication of WO2008078279A3 publication Critical patent/WO2008078279A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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 
    • F23C3/00—Combustion apparatus characterised by the shape of the combustion chamber
    • 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
    • F23D14/36—Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air in which the compressor and burner form a single unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M9/00—Baffles or deflectors for air or combustion products; Flame shields
    • F23M9/06—Baffles or deflectors for air or combustion products; Flame shields in fire-boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
    • F24H8/006—Means for removing condensate from the heater
    • 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
    • F23C2900/03005—Burners with an internal combustion chamber, e.g. for obtaining an increased heat release, a high speed jet flame or being used for starting the combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
    • F23J2900/13004—Water draining devices associated with flues
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M2700/00—Constructional details of combustion chambers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]

Definitions

  • the present invention relates to a combustion chamber wherein the burner in which the air - gas mixture is burned is located at the top and the gas outlet and the water outlet through which combustion products are discharged are located at the bottom, and which has a wall structure in the form of divergent nozzle and convergent nozzle.
  • a mixer providing the pre- mixing of natural gas and air in the combustion chamber, a burner in which the air-gas mixture is burned, a combustion chamber where the movement of the combustion gas is directed and which accommodates the heat exchanger, a heat exchanger inside of which domestic water and outside of which combustion gas circulates, a flue gas outlet which discharges the flue combustion gas from the combustion chamber after the heat exchange is completed and a condensation water outlet which discharges the water generated by the condensation of flue combustion gas from the combustion chamber after the heat exchange is completed.
  • the burner In the combustion chamber, the burner is disposed at the bottom while the outlet for the combustion products is located at the top.
  • the combustion gas generated as a result of the ignition of the natural gas - air mixture in the burner, has a high temperature and high speed at the region where it enters the combustion chamber.
  • the combustion gas which transfers its heat energy at the exchanger, has a fairly low temperature and speed at the outlet of the combustion chamber. Speed of the combustion gas should be increased in order to facilitate discharge thereof.
  • a combustor having a combustion chamber and a nozzle is disclosed in the International patent application No. WO03085243, which is another application within the state of the art.
  • the nozzle comprises a converging portion, a throat and a diverging portion.
  • pressure of the gas at the inlet is low in the said application.
  • location of the burner is at the bottom of the combustion chamber. Additionally, discharge of the combustion gas is realized at the top part of the combustion chamber.
  • the objective of the present invention is to realize a combustion chamber which provides ease for collection of combustion products by performing combustion from top to bottom.
  • Another objective of the invention is to realize a combustion chamber wherein the walls at the burner outlet are designed to be divergent structures with the purpose of ensuring that the combustion gas reaches the optimum speed for heat transfer.
  • Another objective of the invention is to realize a combustion chamber wherein the walls are designed to be convergent structures with the purpose of facilitating discharge of the combustion gas.
  • Figure 1 is the perspective view of the combustion chamber.
  • Figure 2 is the view of the positions of the exchanger and the burner within the combustion chamber.
  • the inventive combustion chamber (1) comprises an inlet (4) where the combustion gas is received, located at the top part of the chamber (1); a burner (5) in the inlet (4) part where the air-gas mixture is burned, a divergent nozzle (2) wall structure applied to enable reduction of the speed of combustion gas at the outlet of the burner (5), an exchanger (6) inside of which domestic water and outside of which combustion gas whose speed is reduced by the divergent (2) wall structure circulates, a convergent nozzle (3) wall structure applied at the outlet of the exchanger (6) to facilitate discharge of the combustion gas, a gas outlet (8) at the lowermost part of the chamber (1) where the combustion gas is discharged and a water outlet (7) through which the condensed water vapor within the combustion gas which transfers its heat in the exchanger (6) is discharged as a fluid.
  • the natural gas - air mixture enters from the inlet (4) located on top of the combustion chamber (1) and is ignited in the burner (5).
  • the burner (5) is placed within the combustion chamber (1) and is located at the upper part of the chamber (1).
  • the combustion gas of high temperature formed in the burner (5) upon ignition is forcedly directed (via the fan on the combustion chamber) from top to the bottom. Thus combustion occurs from top to the bottom. Ease at collection of combustion products is aimed by directing the combustion gas from top to the bottom.
  • Combustion gas formed as a result of the ignition of the natural gas - air mixture in the burner (5) has a high temperature and high speed at the region where it enters the combustion chamber (1).
  • a divergent nozzle (2) form is given to the walls of the combustion chamber (1) at the exit of the burner (5).
  • the divergent nozzle (2) form ensures that the speed of the high speed combustion gas which enters into the combustion chamber (1) from the narrow cross-sectional area is reduced by the widening cross-sectional form.
  • heat transfer begins in the exchanger (6).
  • Temperature and speed of the combustion gas, which transfers its heat energy at the exchanger (6), at the outlet of the combustion chamber (1), are fairly low.
  • Speed of the combustion gas should be increased in order to facilitate discharge thereof.
  • a convergent nozzle (3) form is given to the walls of the combustion chamber (1) at the combustion outlet.
  • the factors influencing the material selection are the combustion temperature of the natural gas - air mixture, combustion pressure of the natural gas - air mixture, acidic value of the condensation water which is a combustion product, thermal expansion coefficient of the material to be selected, galvanic corrosion risk of the material to be selected, formability of the material in accordance with the design.
  • the combustion chamber (1) is a product which may be produced from aluminum material by aluminum injection technology.
  • the type of aluminum material used is determined as Etial 141 type aluminum material, upon consideration of the technical specifications contributed to the material by the alloy ratios within aluminum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Gas Burners (AREA)

Abstract

La présente invention concerne une chambre de combustion (1). Le brûleur (5), dans lequel le mélange air-gaz est brûlé, est situé à la partie supérieure de la chambre de combustion et la sortie de gaz (8) et les orifices de sortie d'eau (7), à travers lesquels les produits de combustion sont évacués, sont situés à la partie inférieure de la chambre de combustion. La chambre de combustion a une structure de paroi sous la forme d'une buse divergente (2) et d'une buse convergente (3).
PCT/IB2007/055184 2006-12-22 2007-12-17 Chambre de combustion Ceased WO2008078279A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2006/07361 2006-12-22
TR200607361 2006-12-22

Publications (2)

Publication Number Publication Date
WO2008078279A2 true WO2008078279A2 (fr) 2008-07-03
WO2008078279A3 WO2008078279A3 (fr) 2008-08-21

Family

ID=39433947

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/055184 Ceased WO2008078279A2 (fr) 2006-12-22 2007-12-17 Chambre de combustion

Country Status (1)

Country Link
WO (1) WO2008078279A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009053247A1 (fr) * 2007-10-25 2009-04-30 Bekaert Combust. Technol. B.V. Elément échangeur de chaleur avec chambre de combustion pour un dispositif de combustion à faible émission de co et de nox
JP2011225537A (ja) * 2010-03-31 2011-11-10 Daiichi Sankyo Co Ltd 固形製剤の製造方法
CN105465821A (zh) * 2015-12-25 2016-04-06 力聚热力设备科技有限公司 一种用于燃气锅炉炉膛内可抑制NOx生成的冷却火焰锋面装置
CN106642116A (zh) * 2016-12-09 2017-05-10 岳阳钟鼎热工电磁科技有限公司 超低NOx排放蓝火焰圆形气体燃烧器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6066044A (ja) * 1983-09-21 1985-04-16 Hitachi Ltd 瞬間湯沸器
ATE66529T1 (de) * 1988-12-02 1991-09-15 Geminox Sa Brennwertkessel fuer heizung mit waermetransportfluessigkeit.
AT394769B (de) * 1990-11-26 1992-06-25 Vaillant Gmbh Heizeinrichtung mit brenner
AT396831B (de) * 1990-12-10 1993-12-27 Vaillant Gmbh Sicherungseinrichtung für eine heizeinrichtung
DE69200113T2 (de) * 1991-02-07 1994-11-17 Dietrich Thermique Gasbeheizter gusseisener Gliederheizkessel mit totaler Vormischung.
AT399932B (de) * 1992-11-16 1995-08-25 Vaillant Gmbh Heizeinrichtung
AT403088B (de) * 1994-03-03 1997-11-25 Vaillant Gmbh Einrichtung zur erwärmung eines fluids
US5476088A (en) * 1994-08-15 1995-12-19 Teledyne Industries, Inc. Flue product exhaust and condensate collecting systems

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009053247A1 (fr) * 2007-10-25 2009-04-30 Bekaert Combust. Technol. B.V. Elément échangeur de chaleur avec chambre de combustion pour un dispositif de combustion à faible émission de co et de nox
US8726851B2 (en) 2007-10-25 2014-05-20 Bekaert Combustion Technology B.V. Heat exchanger element with a combustion chamber for a low CO and NOx emission combustor
KR101503960B1 (ko) * 2007-10-25 2015-03-18 베카에르트 컴버스천 테크놀러지 비.브이. 저 일산화탄소 및 산화질소 배출 연소기용 연소 챔버를 구비한 열교환기 요소
JP2011225537A (ja) * 2010-03-31 2011-11-10 Daiichi Sankyo Co Ltd 固形製剤の製造方法
CN105465821A (zh) * 2015-12-25 2016-04-06 力聚热力设备科技有限公司 一种用于燃气锅炉炉膛内可抑制NOx生成的冷却火焰锋面装置
CN106642116A (zh) * 2016-12-09 2017-05-10 岳阳钟鼎热工电磁科技有限公司 超低NOx排放蓝火焰圆形气体燃烧器

Also Published As

Publication number Publication date
WO2008078279A3 (fr) 2008-08-21

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