WO2013083031A1 - 上进风大功率燃烧器 - Google Patents

上进风大功率燃烧器 Download PDF

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Publication number
WO2013083031A1
WO2013083031A1 PCT/CN2012/085862 CN2012085862W WO2013083031A1 WO 2013083031 A1 WO2013083031 A1 WO 2013083031A1 CN 2012085862 W CN2012085862 W CN 2012085862W WO 2013083031 A1 WO2013083031 A1 WO 2013083031A1
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WIPO (PCT)
Prior art keywords
fire
radial
nozzle
base
high power
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PCT/CN2012/085862
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English (en)
French (fr)
Inventor
陈国泉
Original Assignee
陈顺发
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Application filed by 陈顺发 filed Critical 陈顺发
Publication of WO2013083031A1 publication Critical patent/WO2013083031A1/zh

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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
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L1/00—Passages or apertures for delivering primary air for combustion 
    • F23L1/02—Passages or apertures for delivering primary air for combustion  by discharging the air below the fire
    • 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
    • F23D14/62—Mixing devices; Mixing tubes
    • F23D14/64—Mixing devices; Mixing tubes with injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14062—Special features of gas burners for cooking ranges having multiple flame rings

Definitions

  • the present invention relates to an on-flow high power burner: BACKGROUND
  • the existing burners for domestic gas cookers are mostly premixed burners, also known as atmospheric burners.
  • the main working principle is that the kinetic energy generated by the gas injected by the nozzles drives the 3 ⁇ 4 gas into the ejector tube.
  • this part of the gas is called “primary gas and "primary air” mixed and then ejected from the burner fire hole, and at the same time mixed with the gas at the fire hole to burn this part of the gas called 'secondary air according to” once 3 ⁇ 4 gas ''
  • the burner ⁇ is divided into h inlet air burner and lower inlet air burner "primary air” comes from above the cooker punching plate, then the burner is called “upward wind burner”; “one” The secondary air “from the bottom of the stove.
  • the burner is called the “bottom hurricane burner” ⁇
  • 3 ⁇ 4 gas is insufficient to produce defects such as yellow flame, which is not conducive to the user's health.
  • the window part cooker manufacturer has a vent hole above the cooktop panel to provide "primary air” to the burner, but this practice is increased.
  • the difficulty and cost of the process in addition, because the "downward air burner” mostly uses a relatively ejecting tube, resulting in a large structure is not suitable for European multi-head stove
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, to provide a structure that is tightly packed, convenient to use, and safe.
  • the technical solution adopted by the present invention is:
  • the present invention includes a base, a firearm and an ignition needle, and a central nozzle is disposed in the inner cavity of the base, and a lower side of the base is disposed : connected to the central nozzle a gas passing through, wherein the fire extinguisher is provided with a fire hole and a center ejector pipe, the center ejector pipe corresponding to the center nozzle, and a fire cover is disposed on the fire hole, a window is further disposed in the inner cavity of the base at least two radial nozzles communicating with the gas passage, and a window and the radial nozzle are disposed on the inner cavity wall of the base a corresponding radial ejector tube, a window mixing chamber is disposed at an end of the ejector tube, and an bleed air chamber corresponding to the mixing chamber is further disposed on the fire igniter, There is an air vent.
  • the number of the directional nozzles is four or the symmetric nozzles are symmetrically distributed
  • the fire hole comprises an outer ring fire hole and a central fire hole
  • the fire cover comprises an outer ring fire and a central fire cover
  • the outer ring fire and the center fire are respectively disposed in the outer ring fire hole and the center On the fire hole
  • the ft-direction nozzle and the center nozzle respectively supply air to the outer ring fire hole and the central fire hole.
  • the upper inlet high power burner further includes a thermocouple
  • An outer ring fire cover positioning leg is further disposed on the firearm
  • the beneficial effects of the present invention are: Since the present invention includes a base, a firearm and an ignition needle, a central nozzle is disposed in the inner cavity of the base, and the lower side of the base is provided with a The central nozzle is connected to the gas passage, the fire extinguisher is provided with a fire hole and a heart bow, and the center is a g il tube. The center nozzle corresponds to a fire on the fire hole.
  • In the inner cavity of the base at least two nozzles communicating with the gas passage are disposed, and the inner wall of the base is disposed opposite to the radial nozzle.
  • a radial ejector tube is disposed at a distal end of the radial ejector tube with a mixing chamber, and the fire igniter is further provided with an bleed air chamber corresponding to the mixing chamber; and the flame arrester is provided with 3 ⁇ 4 gas Therefore, the present invention passes the radial nozzle, the radial direction!
  • the arrangement of the nozzle and the mixing chamber, the gas is ejected from the central nozzle of the radial nozzle, and the kinetic energy band generated by the "primary air” is injected into the corresponding ejector tube and the mixing chamber, and the gas and air are in the mixing chamber. Mix evenly, and enter the air venting chamber on the firearm, and spray it from the fire hole distributed on the firearm.
  • the 3 ⁇ 4" secondary air" of the fire hole is mixed and burned.
  • the radial nozzle replaces the single nozzle of the traditional burner.
  • the advantage is that the kinetic energy is stronger and can drive more "primary air” to mix with the gas, which is beneficial to the uniform mixing of the gas and the air, and according to the .... ⁇ Proportional mixing, more "primary air” means more gas can be burned, which increases the power of the burner.
  • more “primary gas” means reducing the need for “secondary air”, which is beneficial to reduce the heat of the burner and increase the gas utilization rate.
  • thermocouple Since the thermocouple is further provided in the present invention, the thermocouple can automatically disconnect the supply of the gas when the burner is turned off, ensuring the safety of the burner and the person of the cook. Safety note
  • Figure 2 is a partial cross-sectional view of the present invention
  • ⁇ 3 is the structure of the base ⁇ meaning
  • Group 5 is the outer ring of the fire vine and the center of the fire 3 ⁇ 4 structure;
  • [0019] !i6 is a schematic diagram of the flow structure of the internal gas and S gas of the present invention.
  • the present invention includes a base: -, a firearm 2 and an ignition pin 3'
  • the firearm 2 is fitted with a central nozzle 4 in the inner cavity of the base 1.
  • the bottom of the base 1 is provided with a gas passage 5 communicating with the central nozzle 4.
  • the firearm 2 is provided with a fire hole and a center hole 8
  • the center pipe 8 is provided with a fire cover on the fire hole corresponding to the center spray pipe 4.
  • the fire hole includes The outer ring fire hole 6.
  • the fire cover includes an outer ring fire cover 9 and a center fire cover 10, and the outer fire cover 9 and the central fire cover 1 () are respectively disposed outside a ventilating hole 6 and a central fire hole 7 are disposed in the inner cavity of the base for at least two radial nozzles 1 L communicating with the gas passage ⁇ .
  • the number of the radial nozzles is four, and the closed radial nozzles 'U" are distributed to the circular radial nozzles 1 1 and the central nozzles 4 respectively to the parallel fire holes 6 and the central fire holes 7 Gas, and ⁇ I.
  • a radial nozzle 1] corresponding to the ejector pipe 12 in the radial direction of the radial tip ejector pipe 12 is provided: the mixing chamber 13 in firearms
  • An air venting chamber M corresponding to the mixing chamber 13 is further disposed.
  • the air damper 2 is provided with an air inlet 5-1.
  • the outer squirting fire and the central fire hole 7 are provided with a window gap. Air gargle! 5 The gap is connected
  • the upper inlet high power burner further includes a thermocouple 16.
  • the function of the thermocouple 16 is that: 3 ⁇ 4 there is an unexpected situation that causes the burner to bonfire, and the thermocouple 'i.6 can dynamically disconnect the supply of gas, ensuring that the burner is safe for both safety and the health of the cook.
  • the outer fire extinguisher 2 is also provided with an outer ring fire cover positioning ankle.
  • gas enters from the gas passage ⁇ and is ejected through the central nozzle 4 and the four radial nozzles 1], and the kinetic energy generated by the “secondary air” is injected into the phase.
  • gas and gas are mixed in the mixing chamber i3, and enter the air venting chamber 14 of the firearm 2 ..!: through the mixing chamber 13 and from the outer ring fire hole 6 distributed on the fire extinguisher And the central fire hole 7 is sprayed out by the ignition needle and then ignited with the "secondary 3 ⁇ 4 gas" on the side of the fire hole.
  • the "primary air” and “secondary gas” are both sourced and the air is vented in the air. After the burner, a portion is introduced into the center 3 ⁇ 4!tube and the four radial 3 ⁇ 4 ⁇ tubes to become "-times 3 ⁇ 4; another 3 ⁇ 4" part from the outer ring fire hole 6 and the center The wide 3 ⁇ 4 gap of the fire hole 7 flows upward, ⁇ . The mixed gas ejected from the outer ring fire hole 6 and the central fire hole 7 is again mixed, and becomes "secondary air".
  • An advantage of the present invention is that the kinetic energy of the fuel ejected from the nozzle is stronger by the four directional nozzles and the radial illuminating tube S, and can drive more "secondary air” and gas. Mixing is beneficial to the mixing of gas and air. The more “one-time S gas” means more gas can be burned, and the power of the burner is increased. The “primary air” means that the need for "secondary air” can be reduced, which is beneficial to lowering the cooker pan and thus improving the thermal efficiency of the burner. Rate, increase gas usage.
  • the present invention may also set the number of the radial nozzles li to be one, the radial nozzles 11 are symmetrically distributed, and are integrated with the central nozzle to have a structure and: 1 : The same as in the above embodiment, and will not be described again.
  • the number of the radial nozzles 1 1 can also be set to other numbers, and the details of the local structure changes according to the structure of the present invention are not described herein. ,
  • the present invention is widely applied to the field of burners.

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

Abstract

提供了一种上进风大功率燃烧器，包括底座（1）、分火器（2）和点火针（3），在底座（1）的下侧设置有燃气通道（5），在底座（1）的内腔内设置有与该燃气通道（5）相连通的中心喷嘴（4）和至少两个径向喷嘴（11），在底座（1）的内腔壁上设置有与该径向喷嘴（11）相对应的径向引射管（12），在径向引射管（12）的末端设置有混合腔（13），在分火器（2）中还设置有与混合腔（13）相对应的引气腔（14），分火器（2）上设置有空气进口（15）。该燃烧器结构紧凑，使用方便，安全且燃烧功率高。

Description

上进风大功率燃烧器
技术领域
[0001]本发明涉及 -种上进风大功率燃烧器: 背景技术
[0002]现有的家用燃气灶具用燃烧器大多是预混式燃烧器， 又称为大气式燃烧 器,其主要工作原理是 *喷嘴喷射出的燃气产生的动能带动¾气进入引射管中混 合， 此部分气体称为"一次 气 燃气与 "一次空气 "混合后从燃烧器火孔喷出， 同时和火孔处的 气 次混合燃烧 此部分气体称为'二次空气 根据"一次¾ 气''的来源区分， 燃烧器 ^分为 h进风燃烧器和下进风燃烧器 "一次空气 "来源 于灶具衝板的上方， 则该燃烧器称为"上进风燃烧器"； "一 '次空气"来源于灶.興丽 板的下方， 则该燃烧器称为"下迸风燃烧器" ^上述两种燃烧器应用于独立台式 灶 Λ时， ；! 别并不大。 但应 )¾千！：；：前较流行的嵌入式灶具， 则荷明显的优劣
[0003] 由于嵌入式灶具安嵌在灶台 ！， 灶具下方多为密封的厨柜 采用"下进风 燃烧器 "时, 其需耍从灶具下方采集"一次空气" 但是由于其下方的空间有 »， 不¾于空气的流通， 所以. 燃烧时间较长时， "下进风燃烧器"往往会因为"一次
¾气 "不足而产生黄焰等缺陷， 不利于使用者的徤康。 为解决这个 题， 窗 部分灶具生产商在灶具面板上方开设气孔以提供 "一次空气 "给燃烧器，但这种做 法增加了工艺难度和成本 此外， 由于"下进风燃烧器 "多采用较忪的引射管， 造 成其结构较大 不适用于欧式的多头灶
[0004] "上进风燃烧器"则能很好的避兔了 "一次空气 "不足的缺陷' ,因为其" ······次 气"的供给是由灶具上方提供的 不存在由于空间有限造成不足的 题。 但是由 于"上进风燃烧器 "的结构有 l， 其不能采用长引射管结构来混合燃气. 空 造 成 】前主流"上迸风燃烧器 "都存在功率偏小的缺陷，不适用于中国及大部分东南
发明内容
[0005]本发明所要解决的'技术问题是克服现有技术 不足， 提供 _一种结构紧纏、 使用方便、 安全 il燃烧功率高的上进风大功率燃烧器
[0006]本发明所采用的技术方案是： 本发明包括底座.、 分火器和点火针， 所述底 座的内腔中投置有中心喷嘴 所述底座的下側设置 : 与所述中心喷嘴相连通的燃 气通遒，所述分火器上设置齊火孔和中心引射管，所述中心引射管与所述中心喷 嘴相对应， 在所述.火孔上设置^火盖，在所述底座的内腔内还设置窗至少两个与 所述燃气通道相连通的径向喷嘴，在所述底座的内腔壁上设置窗与所述径向喷嘴 相对应的径向引射管， 在所述径 ^引射管的末端设置窗混合腔， 在所述分火器还 设覽有与所述混合腔相对应的引气腔， 所述分火器上设覽有空气迸口。
m 所述校向喷嘴的数 为四个或者 个 所述径向喷嘴对称分布
〔0008〗 所述火孔包括外圈火孔和中心火孔， 所述火盖包括外圈火 和中心火盖， 所述外圈火蕴和中心火 分别设置在所述外圈火孔和中心火孔上 ,
[0009]所述 ft向喷嘴与所述中心喷嘴分别向外圈火孔和中心火孔供气。
[0010]所述上进风大功率燃烧器还包括热电偶
[0011]在所述分火器上还设置有外圈火盖定位脚
[0012】本发明的有益效果是： 由于'本发明包括底座、 分火器和点火针， 所述底座 的内腔中设置 ^中心喷嘴，所述底.座的下侧设 S有.^所述中心喷嘴相连.通的燃气 通遒， 所述分火器上设置有火孔和 心弓 ί射管，所逑中心 g ί射管. 所述中心喷嘴 相对应，在所述火孔上设置有火蘊， 在所述底座的内腔内还设覽有至少两个. 所 述燃气通道相连通的径1 喷嘴，在所述底座的内齩壁上设置有与所述径向喷嘴相 对、¾的径向引射管 在所述径向引射管的末端设置有混合腔，在所述分火器还设 置有与所述混合腔相对应的引气腔； 在所述分火器上设置有 ¾气进 ， 所以， 本 发明通过所述径向喷嘴、所述径向 ！射管和所述混合腔的设置，燃气从径向喷嘴 中心喷嘴中喷出， 其产生的动能带"一次空气 "迸入相对应的引射管和混合腔中， 燃气和空气在混合腔中均匀混合， 并进入分火器上的引气腔， 并从分布在分火器 上的火孔喷出， 经点火针点燃后. 火孔边 ¾"二次空气 " Ϊ次混合燃烧； 蹈若千个 径向喷嘴代替传统燃烧器的单一喷嘴， 这样的优点在于， 其动能更强、 能带动更 多的"一次空气 "与燃气混合， 这样 利于燃气与空气的混合均匀， 并按照 ······定的 比例混合， 更多的"一次空气"意味着能有更多的燃气参与燃烧， 从而提高了燃烧 器的功率。 同时， 更多的"一次 气"意味着能减少 "二次空气"的需求， 这样有利 将灶異锅架降矮， 从 提高燃烧器的热效率， 提高燃气使用率。
[0013] 由于在本 ^明上还设置有热电偶， 所以， 宵意外情况使燃烧器熄火时, 所述热电偶能自动断开¾气的供应， 保证燃烧器的使用安全和烹饪者的人身安 全 附圉说明
[0014] I 是本发明的整体结构^意 ；
[0015]图 2 是本发明的部分剖视图；
[0016]圏 3 是所述底座的结构 Φ意圏；
[0017]图 4 是所述分火器的结构示意图；
[0018]團 5 是所述外圈火藤.和中心火 ¾的结构 ¾圏； [0019] !i6 是本发明内部燃气和 S气的流动结构示意圏。 臭体实施方式
[0020]如图 1、 閥; 2、 圈: , 圈 4、 图 5、. 图 6所示， 在本实施例中， 本发明包括底 座: -、 分火器 2 和点火针 3„ 所述分火器 2配合在所述底座 1..匕 所述底鹿〖的:内腔 中设置有中心喷嘴 4。 所述底座 1 的下侧设置有与所述中心喷嘴 4 相连通的燃气 通道 5。所述分火器 2上设 S有火孔和中心 ¾！射管 8， 所述中心引射管 8与所述中心 喷喷 4 相对应 在所述火孔上设置有火盖。所述火孔包括外圈火孔 6.和中心火孔 7， 所述火盖包括外圈火盖 9 和中心火盖 10, 所述外饞火盖 9 和中心火盖 1() 分别设 .置在所述外闘火孔 6 和中心火孔 7上 在所述底座】 的内腔内还设置窗至少两个 与所述.燃气通道 δ 相连通的径向喷嘴 1 L. 在.本实施例中， 所述径向喷嘴 . 的数 目为四个， 所述關个径向喷嘴' U 对祢分布 所述園个径向喷嘴 1 1与所述中心喷 嘴 4 分别向并圈火孔 6和中心火孔 7供气，且 ······体成 在所述底座 I. 的内腔壁上 设置有与所述径向喷嘴 1 ] 相对应的径向引射管 12 在所述径向引射管 12 的末端 设置 : 混合腔 13 在所述分火器还设置有与所述混合腔 13 相对应的引气腔 M 在所述分火器 2 上设置有空气进口】5 所述外擦！火 .和所述中心火孔 7 之间留 窗空隙 所述空气迸口 !5 所述空隙相通
[0021] 所述上进风大功率燃烧器还包括热电偶 16。 所述热电偶 16的作用是， :¾ 有意外情况使燃烧器媳火 ，所述热电偶' i.6能 动断开燃气的供应， 保证燃烧器 的使兩安全和烹饪者的人身安全 在所述分火器 2上还设置有外圈火盖定位脚 Π。
[0022] 本发明进行工作时， 燃气从所述燃气通道 δ进入并通过所述中心喷嘴 4和 所述四个径向喷嘴 1】 中喷出， 其产生的动能带" 次空气"迸入相对应的引射管 和混合腔中。 燃气和 气在所述混合腔 i3均勾混合， 并通过所述混合腔 13 进入 分火器 2 ..!::的引气腔 14中 , 并从分布在所述分火器上的外圈火孔 6和中心火孔 7 喷出 经点火针点燃后与火孔边的 "二次¾气 "再次混合燃烧 所述"一次空气' '和 "二次 气"均来源与所述空气迸口 在空气进入燃烧器后， 部分被引入到所 述中心 ¾！射管和所述四个径向 ¾ \射管中， 成为 " -次¾ ； 另 ¾―部分从所述外 圈火孔 6和所述中心火孔 7之阔的¾隙向上流动， 弁. 从所述外圈火孔 6和中心火 孔 7喷出的混合气体再次混合，， 成为"二次空气"
[0023] 本发明的优点在于， 通过所述四个筏向喷嘴和径向 ί射管的设 S, 从喷 嘴中喷出的燃 的动能更强， 能带动更多的" 次空气 "与燃气混合 这样有利于 燃气与空气的混合均勾 按照一 ^的混合比倒， 更多的"一次 S气"意味着能有更 多的燃气参与燃烧， 从丽提高了燃烧器的功率 同时， 更多的"一次空气"意味着 能减少 "二次空气"的需求， 这样有利于将灶具锅架降矮， 从而提高燃烧器的热效 率， 提高燃气使用率。
[0024] 除上述实施例外， 本发明还可以把所述径向喷嘴 l i的数目设为 Ξ个， 所 述 Ξ个径向喷嘴 11对称分布， 并与所述中心喷嘴一体成 其结构和 :1:作嫫理与 上述实施例中的相同， 再次不再赘述
[00251 应该注意的是， 除了上述两种愦况外， 所述径向喷嘴 1 1 的数 还可以设 覺为其它数目 , 在此不一一赘述 凡是裉据本发明结构所进行的局部结构改变，
[0026] 综上所述， 本发明 ί广泛应用于燃烧器领域

Claims

权 利 要 求 ^:¾
L 一种上进风大功率燃烧器， 包括底座 (1) 、 分火器 (2.) 和点火针 (3) , 所 述.底座 (1) 的内腔中设置 ^中心喷嘴 （4) , 所述底座 CI) 的下侧设置^与所 述中心喷嘴 （4) 相连通的燃气遛遒 (5) , 所述分火器 （2) 设置有火孔和中 心引射管 （8) ， 所述中心引射管 （8) 与所述中心喷嘴 （4) 相对应， 在所述火 孔上设置有火 -, 其特征在于： 在所述底座 ( 1 } 的内腔内还设：置有 ¾少两个. 所述燃气通道（5 相连通的 ®向喷嘴（1U , 在所述底座 的内胶歷上设置 有. ¾所述径向喷嘴 (.11) 相对应的径向引射管 (12) ， 在所述径向引射管 (12) 的末端设置有混合腔 (W , 在所述分火器还设置有与所述混合腔（13)相对应 的引气腔 （W) , 在所述分火器 （2) 上设 i宵空气进口 (15) 。
2. 根据权利要求 i 所述的上迸风大功率燃烧器，其特征在于：所述径向喷嘴（ii) 的数 为四个， 所述固个径向喷嘴 （11) 对称分布
3. 根据权利耍求】 所述的上进风大功率燃烧器，其特征在于;所述径向喷嘴（ 1】） 的数目为. Ξ个， 所述. Ξ个径向喷嘴 （！1) 对称分布:：
4. 根据权利要求 1- 所述的上进风大功率燃烧器， 其特征在于； 所述火孔包括外 圈火孔（6)和中心火孔 (丁) , 所述火盖包括外圈火龜（9)和中心火盖 Q0) ， 所述外圈火盖（9) 和中心火盖 UO 分别设置在所述外圈火孔（6)和中心火孔
(7) 上
5. 根据权利要求 2 或 3 所述的上迸风大功率燃烧器， 其特征在于： 所述径向喷 嘴 （1U 与所述中心喷嘴 （4) 分别向外圆火孔 (6) 和中心火孔 （7) 供气。
6. 根据权利要求 2 或 3 所述的上进风大功率燃烧器， 其特征在于: 所述 .〗::进风 大功率燃烧器还包括热电偶 （_ί6) 。
7. 根据权利要求 6 所述的上迸风大功率燃烧器，其特征在于:在所述分火器（2) 上还设置有外國火 -^位脚 （17.) ,
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CN104713086A (zh) * 2015-03-12 2015-06-17 广东美的厨房电器制造有限公司 燃烧器及燃气用具
CN107525072A (zh) * 2017-09-11 2017-12-29 陈丽霞 高热效能的火盖及使用该火盖的炉头
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