WO2015196504A1 - Brûleur à gaz à prémélange - Google Patents

Brûleur à gaz à prémélange Download PDF

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Publication number
WO2015196504A1
WO2015196504A1 PCT/CN2014/081496 CN2014081496W WO2015196504A1 WO 2015196504 A1 WO2015196504 A1 WO 2015196504A1 CN 2014081496 W CN2014081496 W CN 2014081496W WO 2015196504 A1 WO2015196504 A1 WO 2015196504A1
Authority
WO
WIPO (PCT)
Prior art keywords
combustion
burner
hole
fire hole
substrate
Prior art date
Application number
PCT/CN2014/081496
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English (en)
Chinese (zh)
Inventor
杨京战
邱步
周素娟
Original Assignee
艾欧史密斯(中国)热水器有限公司
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 艾欧史密斯(中国)热水器有限公司 filed Critical 艾欧史密斯(中国)热水器有限公司
Publication of WO2015196504A1 publication Critical patent/WO2015196504A1/fr

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    • 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
    • F23D14/48—Nozzles
    • F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration

Definitions

  • the invention relates to a full premixed combustion device applied to a gas water heater, that is, a gas premixed burner, in particular A burner which is stamped from a metal plate and has a main combustion fire hole and an auxiliary stable flame hole, and belongs to the water heater technology collar. area.
  • the full premixed combustion system refers to a system in which gas and air are uniformly mixed once and then burned, and a suitable one is selected.
  • the burner is a prerequisite for ensuring good performance of the premixed combustion system.
  • premixed gas burners mainly have the following Kind:
  • Iron chrome aluminum wire mesh burner which is a metal mesh made of special material covering the surface of the support member Burner, the flame is attached to the surface of the metal mesh, and its porosity is high, the flame stability is good, and the adjustment ratio is also large. Emissions and other factors are at a good level.
  • the manufacturing process is complicated and the cost is high.
  • Stainless steel cylindrical premix burner which is a cylinder made of a stainless steel plate punched with a fire hole, and a cylinder There is also a layer of uniform wind plate, and the flame is generated in the radial direction.
  • a common burner in the field of wall-mounted boilers such as the application number For the Chinese patent of 201080050224, titled “Burner with Burner Level with Low Porosity”, a Cylindrical premix burner with multiple fire hole shapes, its combustion surface porosity (ie total area of fire hole and combustion cut)
  • the ratio of the faces is less than 11%.
  • the manufacturing process of such a burner, especially the welding process is difficult, resulting in This is higher.
  • the disadvantage is that a single round hole or a rectangular hole fire hole has poor flame stability, and the load adjustment is relatively small, and at the same time, To ensure proper void ratio, the overall area of the burner of this structure is large, and the utilization rate is not high, so further optimization is needed. Chemical.
  • the object of the present invention is to propose a novel gas premixed combustion in view of the problems existing in the prior art described above.
  • the burner has a main fire hole and a stable flame hole, stable combustion, high substrate utilization,
  • the manufacturing process is simple and the cost is low.
  • the invention provides a gas premix burner, the gas premix burner comprising a burner substrate, the combustion a combustion platform above the burner substrate is disposed on the substrate, and a main combustion fire is disposed on a top of the combustion platform A hole, the side of the combustion platform is provided with an auxiliary combustion fire hole.
  • a third combustion fire hole is opened on the burner substrate between the combustion platforms.
  • the third combustion hole has a pore diameter of less than 3 mm, and the jet hole group of two or more different apertures Into, and staggered.
  • combustion platforms are arranged in parallel, and the distance between adjacent combustion platforms is less than 25 mm.
  • combustion platform is an arch structure, and a top of the arch structure is provided with a main combustion fire hole, The side of the arched structure is provided with an auxiliary combustion fire hole.
  • main combustion fire hole and/or the auxiliary combustion fire hole is an elongated hole.
  • the burner substrate is a curved surface.
  • the total area of the main combustion fire hole is A1
  • the total area of the auxiliary combustion fire hole is A2.
  • the area of the third combustion hole is A3
  • the area of the burner substrate is A
  • the burner substrate material is stainless steel.
  • gas premix burner is stamped and formed from a burner substrate.
  • the burner substrate is made of stainless steel, the fire hole and the fire hole platform are all stamped and formed, and the manufacturing process is relatively simple. The cost is greatly reduced.
  • the present invention has a main combustion fire hole, an auxiliary flame-burning fire hole, and a third fire hole from the three fire hole positions Corresponding flames can be obtained to obtain a "three-position true fire” that cooperates with each other. Therefore, the present invention is issued from three positions.
  • the burner of the real fire that is, "full premixed three real fire burners”.
  • the present invention solves the higher cost of the wire mesh and cylindrical premix burners than the prior art.
  • the problem is that the new premixed burner made of metal plate has stable combustion, large load regulation ratio and low pollutant emission.
  • the utilization of the burner substrate is high, with outstanding substantial features and significant progress.
  • FIG. 1 is a schematic top plan view of a gas premix burner according to an embodiment of the present invention
  • Figure 2 is a schematic cross-sectional view of the A-A of Figure 1;
  • Figure 3 is a cross-sectional view taken along line B-B of Figure 1;
  • FIG. 4 is a schematic view showing the operation of a gas premix burner according to an embodiment of the present invention.
  • Burner substrate (substrate) 3 Main combustion hole (main fire hole) 31 Main flame 5 Auxiliary combustion hole (steady flame hole) 51 steady flame (auxiliary combustion flame) 7 third combustion fire hole 71 small diameter third burning fire Hole 73 Large diameter third combustion hole 9 Burning platform
  • FIG. 1 is an overall structural view of an embodiment of the present invention.
  • the gas premix burner of the embodiment is, for example, a flat plate Premixed burner, comprising a burner substrate 1, a main combustion fire hole 3, an auxiliary flame-burning fire hole 5 (also called auxiliary combustion) The fire hole), and the combustion platform 9 shared by the main combustion fire hole 3 and the auxiliary combustion fire hole 5.
  • Shared combustion platform 9 will be the main The combustion fire hole platform is integrated with the auxiliary combustion fire hole platform, and the auxiliary flame combustion combustion hole is shared with the main combustion fire hole.
  • a burning platform is, for example, a flat plate Premixed burner, comprising a burner substrate 1, a main combustion fire hole 3, an auxiliary flame-burning fire hole 5 (also called auxiliary combustion) The fire hole), and the combustion platform 9 shared by the main combustion fire hole 3 and the auxiliary combustion fire hole 5.
  • Shared combustion platform 9 will be the main The combustion fire hole platform is integrated with the auxiliary combustion fire hole platform, and the auxiliary flame combustion combustion hole is shared
  • the burner substrate 1 is planar, and the burner substrate 1 is disposed above the burner substrate.
  • the common combustion platform 9 is provided with a main combustion fire hole 3 at the top of the combustion platform 9, and the auxiliary combustion fire hole 5 is opened.
  • a main combustion fire hole 3 is opened at the top of the common combustion platform 9, burning
  • An auxiliary combustion fire hole 5 is opened on a side of the burning platform 9, and a side surface of the common combustion platform 9 is formed between the combustion substrate 1 and the burner substrate 1
  • the gap, that is, the auxiliary combustion fire hole 5. This improvement further improves the utilization of the burner substrate, and the unit of the combustion chamber is cut.
  • the area heat load has also been improved.
  • the hedging action between two adjacent auxiliary combustion fire holes 5 facing each other makes the flame flame 51 or The auxiliary combustion flames 51 intersect and rise and merge with the main combustion flame, that is, the steady flame flame 51 or auxiliary
  • the combustion flame 51 intersects with the main flame 31, two adjacent flame flames 51 facing each other or auxiliary combustion
  • the distance D between the combustion platforms 9 is less than 25 mm, otherwise the distance may be too large to assist the combustion flame. Intersect and reduce the heat load per unit area.
  • the combustion platform is an arched or arched structure, and the top of the arched structure is provided with a main combustion
  • the fire hole is fired, and the side of the arch structure is provided with an auxiliary combustion fire hole.
  • the arched structure is a bridge.
  • the top of the bridge structure is a bridge surface, that is, the top of the bridge structure is higher than the combustion flat of the burner substrate 1
  • the top surface of the table 9, the top of the bridge structure is provided with a main combustion fire hole 3 of a vertical burner substrate, and the lateral structure of the bridge structure
  • There is a bridge hole, that is, the lateral direction of the bridge structure has an auxiliary combustion fire hole 5.
  • the number of the combustion platforms 9 is plural, and for one combustion platform, the combustion platform is a bridge structure.
  • the combustion platform has a main combustion fire hole and two auxiliary combustion fire holes, that is, a main combustion fire hole and an auxiliary combustion fire hole Located on the combustion platform, assisting the combustion of the fire hole or the lateral combustion (the angle of intersection with the substrate is less than 90 degrees), the combustion hole, It is no longer separately set on other platforms higher than the substrate, especially the auxiliary combustion hole 3 is arranged in a parallel direction. At this time, the auxiliary combustion fire holes in Fig. 2 are no longer separately disposed on other platforms higher than the substrate.
  • a main combustion fire hole and two auxiliary combustion fire holes are connected inside the combustion platform, one main combustion fire
  • the hole and the two auxiliary combustion fire holes form a communication passage inside the combustion platform, the communication passage being higher than the burner base board.
  • the main combustion fire hole and/or the auxiliary combustion fire hole is Elongated holes or elongated holes for a more concentrated fire.
  • the burner substrate shown in FIG. 1 may also be a curved surface.
  • a burner substrate causes a circular arc shape, for example, a cylindrical shape. It can be applied to many types of burners for different occasions. and then,
  • the burner substrate material is stainless steel, which is easy to process and low in cost.
  • the gas premix burner is stamped by a substrate Molding, especially by stamping and forming stainless steel plates, is more convenient to manufacture.
  • the main combustion fire hole and the auxiliary combustion fire hole are also rushed Compression molding.
  • the gas premix burner of the present invention can be manufactured by integral molding.
  • the top surface of the combustion platform 9 is higher than the burner substrate 1, and the main combustion fire hole is not larger than the diameter.
  • 3mm round hole or rectangular hole with a short side width of not more than 3mm, or a special hole with a minimum side width of not more than 3mm
  • the combustion platform 9 is stamped; a slit is formed between the combustion platform 9 and the substrate, that is, the auxiliary flame-burning fire hole 5 is used.
  • the height H1 of the slit is determined by the difference between the punching depth and the thickness of the burner substrate, and the difference is not more than 3 mm.
  • the structure can be manufactured by integral molding, and the material can be aluminum or stainless steel.
  • the porosity ⁇ (A1 + A2) / A can be defined. This value indicates the utilization of the burner substrate.
  • the greater the porosity The greater the thermal load per unit area of the cross section of the combustion chamber, in other words, the greater the porosity under the same load requirements.
  • the total area of the burner is small.
  • the porosity k of the present invention has a value of > 5% to achieve better efficiency.
  • a third combustion fire hole 7 may be opened on the burner substrate 1 , and the third combustion fire is
  • the gas ejection direction of the hole is the same as the gas ejection direction of the main combustion hole, that is, the burner substrate in this embodiment
  • a common combustion platform 9 is disposed above the burner substrate, and a main combustion fire hole 3 is disposed at the top of the common combustion platform 9
  • An auxiliary combustion fire hole 5 is opened on the side of the combustion platform 9, and another parallel main combustion is directly opened on the burner substrate.
  • the combustion fire hole and the third combustion fire hole have the same direction of the two combustion fire holes, and the difference between the two is the opening size and opening The shape of the hole. As shown in FIG. 1, the opening of the main combustion fire hole 3 is larger than that of the third combustion fire hole 7, and the main combustion fire hole 3
  • the shape is, for example, an elongated shape, and the third combustion hole 7 is, for example, circular.
  • the opening of the third combustion fire hole 7 can coexist with the auxiliary flame-burning fire hole, and the main combustion fire hole and the third combustion are increased.
  • the flames between the fire hole and the auxiliary flame-burning fire hole are fused to each other to improve the combustion efficiency.
  • Three forms of combustion The fire hole is less prone to resonance than the existing single-piece fire hole.
  • the third combustion hole 7 may be composed of two or more kinds of air holes of different apertures, and are arranged alternately with each other.
  • the top view direction of the combustion platform 9 is projected as a rectangle, and the plurality of combustion platforms 9 are in the form of a rectangular array.
  • the third combustion hole 7 is distributed on the substrate between the adjacent two combustion platforms 9, a plurality of third burning
  • the burning hole 7 forms an arranging arrangement having a certain row spacing and a column pitch, wherein the third combustion hole 7 is in the row direction and the column Intersecting in the direction, that is, the third combustion hole 7 shares a combustion hole in the row direction and the column direction, the combustion hole It is a large-caliber third combustion fire hole 73, and the remaining third combustion holes are small-diameter third combustion fire holes 71.
  • Large diameter third burning The hole diameter of the firing hole 73 is larger than the small diameter third combustion hole 71.
  • the large-diameter third combustion fire hole 73 is disposed at the center between the two combustion platforms 9 in two rows and two columns, wherein The heart is farthest from the combustion platform 9 so that the center has a relatively large space to set the large diameter third.
  • the fire hole 73 is burned, so that the combustion area can be sufficiently increased and the combustion efficiency can be improved.
  • the third combustion hole has a pore diameter of less than 3 mm, so that the heat load per unit area is further increased, and resonance is less likely to occur.
  • the third combustion hole located in the lateral direction of the auxiliary flame-burning fire hole and the auxiliary flame-burning fire hole are intermingled with each other.
  • the third combustion hole in the direction of the end of the flame-burning fire hole and the auxiliary flame-burning fire hole do not blend with each other to form Better flame stability.
  • the novel flat type premixed burner described in the present invention has a simple structure and stable combustion. Rely on, the safety is good, the structure is compact, and the cost is low. It is a new program with significant progress.

Abstract

L'invention concerne un brûleur à gaz à prémélange comprenant une plaque de base de brûleur (1). Une plate-forme de combustion (9) qui est plus élevée que la plaque de base de brûleur (1) est ménagée sur la plaque de base de brûleur (1), une partie supérieure de la plate-forme de combustion (9) comporte des trous de flamme de combustion principaux (3), et une face latérale de la plate-forme de combustion (9) comporte des trous de flamme de combustion auxiliaires (5). Les trous de flamme de combustion principaux (3) et les trous de flamme de combustion auxiliaires (5) coopèrent mutuellement, augmentant la porosité et rendant les flammes plus stables.
PCT/CN2014/081496 2014-06-27 2014-07-02 Brûleur à gaz à prémélange WO2015196504A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410304863.8 2014-06-27
CN201410304863 2014-06-27

Publications (1)

Publication Number Publication Date
WO2015196504A1 true WO2015196504A1 (fr) 2015-12-30

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ID=51501481

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Application Number Title Priority Date Filing Date
PCT/CN2014/081496 WO2015196504A1 (fr) 2014-06-27 2014-07-02 Brûleur à gaz à prémélange

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CN (2) CN104048296B (fr)
WO (1) WO2015196504A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113357629A (zh) * 2021-06-17 2021-09-07 徐建波 一种燃烧器
EP3926236A3 (fr) * 2020-06-16 2022-03-09 Beckett Thermal Solutions Brûleur à orifices
CN116293667A (zh) * 2023-04-07 2023-06-23 西安交通大学 一种具有倾斜高低错列式火孔板的燃烧器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104048296B (zh) * 2014-06-27 2016-05-11 艾欧史密斯(中国)热水器有限公司 燃气预混燃烧器
CN104373937B (zh) 2014-11-13 2017-04-12 艾欧史密斯(中国)热水器有限公司 燃气预混燃烧器及燃气热水器
ITUB20152343A1 (it) * 2015-07-21 2017-01-21 Polidoro Spa Caldaia a gas ad elevato rapporto di modulazione
CN113357630B (zh) * 2021-06-17 2023-05-23 徐建波 一种用于燃烧器上的炉板

Citations (6)

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Publication number Priority date Publication date Assignee Title
CA1065243A (fr) * 1976-05-21 1979-10-30 Francesco Pompei Dispositif de stabilisation de la flamme a l'endroit d'un bruleur
JPS60259812A (ja) * 1984-06-06 1985-12-21 Matsushita Electric Ind Co Ltd 高負荷燃焼装置
DE4014217A1 (de) * 1989-05-09 1990-11-15 Vaillant Joh Gmbh & Co Brennerplatte eines atmosphaerischen brenners
EP0773404A2 (fr) * 1995-11-09 1997-05-14 Robert Bosch Gmbh Brûleur
CN202719603U (zh) * 2012-07-26 2013-02-06 玉环县凯强机械燃具有限公司 燃气热水器用的燃烧器
WO2014006103A1 (fr) * 2012-07-05 2014-01-09 Giannoni France Bruleur a gaz a combustion de surface

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JP3198017B2 (ja) * 1994-09-06 2001-08-13 パロマ工業株式会社 ガスバーナ
JPH08278006A (ja) * 1995-04-05 1996-10-22 Toto Ltd 燃焼装置
KR101216815B1 (ko) * 2009-12-11 2012-12-28 주식회사 경동나비엔 가스 버너의 염공부 구조
CN202253640U (zh) * 2011-10-05 2012-05-30 广东万和新电气股份有限公司 燃气热水器的燃烧器
CN102635863B (zh) * 2012-04-08 2015-01-14 威能(无锡)供热设备有限公司 燃烧器及采用该燃烧器的燃气热水设备
CN104048296B (zh) * 2014-06-27 2016-05-11 艾欧史密斯(中国)热水器有限公司 燃气预混燃烧器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1065243A (fr) * 1976-05-21 1979-10-30 Francesco Pompei Dispositif de stabilisation de la flamme a l'endroit d'un bruleur
JPS60259812A (ja) * 1984-06-06 1985-12-21 Matsushita Electric Ind Co Ltd 高負荷燃焼装置
DE4014217A1 (de) * 1989-05-09 1990-11-15 Vaillant Joh Gmbh & Co Brennerplatte eines atmosphaerischen brenners
EP0773404A2 (fr) * 1995-11-09 1997-05-14 Robert Bosch Gmbh Brûleur
WO2014006103A1 (fr) * 2012-07-05 2014-01-09 Giannoni France Bruleur a gaz a combustion de surface
CN202719603U (zh) * 2012-07-26 2013-02-06 玉环县凯强机械燃具有限公司 燃气热水器用的燃烧器

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3926236A3 (fr) * 2020-06-16 2022-03-09 Beckett Thermal Solutions Brûleur à orifices
EP4001758A1 (fr) * 2020-06-16 2022-05-25 Beckett Thermal Solutions Brûleur à orifices
CN113357629A (zh) * 2021-06-17 2021-09-07 徐建波 一种燃烧器
CN113357629B (zh) * 2021-06-17 2023-05-23 徐建波 一种燃烧器
CN116293667A (zh) * 2023-04-07 2023-06-23 西安交通大学 一种具有倾斜高低错列式火孔板的燃烧器
CN116293667B (zh) * 2023-04-07 2024-01-30 西安交通大学 一种具有倾斜高低错列式火孔板的燃烧器

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Publication number Publication date
CN204006008U (zh) 2014-12-10
CN104048296A (zh) 2014-09-17
CN104048296B (zh) 2016-05-11

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