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WO2010063164A1 - 炉灶 - Google Patents

炉灶 Download PDF

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Publication number
WO2010063164A1
WO2010063164A1 PCT/CN2009/001354 CN2009001354W WO2010063164A1 WO 2010063164 A1 WO2010063164 A1 WO 2010063164A1 CN 2009001354 W CN2009001354 W CN 2009001354W WO 2010063164 A1 WO2010063164 A1 WO 2010063164A1
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WO
WIPO (PCT)
Prior art keywords
gas
furnace body
cookware
stove
zone
Prior art date
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Ceased
Application number
PCT/CN2009/001354
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English (en)
French (fr)
Inventor
曾文洲
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Individual
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Individual
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Publication of WO2010063164A1 publication Critical patent/WO2010063164A1/zh
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/08—Arrangement or mounting of burners
    • F24C3/085—Arrangement or mounting of burners on ranges
    • 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
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/10—Arrangement or mounting of ignition devices
    • F24C3/103—Arrangement or mounting of ignition devices of electric ignition devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges
    • 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
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the invention relates to the field of stoves used in homes, restaurants and the like, and in particular to a stove for saving gas.
  • the energy-saving furnace mainly comprises a panel 27, a base 28 of the support panel 27, support legs 36 on the base 28, a cookware support 37 supporting the cookware, a tray 39 and an energy-saving burner 38.
  • the fire cover 1 of the energy-saving burner head is placed on the fire cover seat 2, and the fire nozzle of the fire ring nozzle hole 17, the horizontal fire ring nozzle hole 16 and the longitudinal fire ring nozzle hole 19 is disposed at the center, and the fire nozzle is provided below the spray nozzle
  • the two-way gas tank 12 and the inner gas chamber 1 1 are provided with an outer gas passage 13, an outer gas chamber 14 and a hot groove ring nozzle 15 on the side of the fuel injection nozzle, and a gas lateral inlet passage 10 is disposed below the inner gas chamber 11
  • a high pressure injection pipe 4 below the gas lateral inlet passage 10, a gas longitudinal inlet passage 9, a gas entering the high pressure passage hole 6, a high pressure gas nozzle 7 and a high pressure gas passage 8; the gas entering from the high pressure gas passage 5, the above components Located on the gas seat 3.
  • the cookware When the above-mentioned stove is in use, the cookware is placed on the cookware holder 37, and the flame is ejected from the fire ring nozzle hole 17, the transverse fire ring nozzle hole 16, the longitudinal fire ring nozzle hole 19, the hot groove ring nozzle 15, and the like. heating.
  • the disadvantage of the above-mentioned stove is that the ignition zone, the gas and air mixing zone are almost at the top of the burner, the distance between the bottom of the cookware and each flame nozzle hole is large, the flame is exposed, the energy loss is large, and the gas utilization rate is low.
  • a cooker frame which supports the cookware, and the cooker frame is mounted on the furnace body described below;
  • the furnace body is a columnar shape with an open upper end, and the inner body cavity of the furnace is an intake area, a gas-air mixing zone and a combustion zone from bottom to top, and an air inlet, an intake zone, a gas-air mixing zone and combustion in the intake zone.
  • the districts are connected in sequence;
  • the inlet of the gas passage is located outside the furnace body, and is connected to the gas source, and the outlet of the gas passage is located in the gas-air mixing zone;
  • An electronic ignition pin located at a junction of the gas-air mixing zone and the combustion zone;
  • the lash adjuster is placed in the furnace body located in the combustion zone, and the lash adjuster can move up and down in the furnace body, and the upper part of the lash adjuster contacts the bottom of the cookware during installation.
  • the stove of the invention has a relatively sealed furnace body.
  • the cookware is placed on the cooker frame, by adjusting the height of the lash adjuster, only a small gap can be left between the bottom of the cookware and the upper surface of the furnace body, and the gas is in the furnace.
  • the combustion zone of the body burns, and the exhausted gas is discharged through the gap between the bottom of the cookware and the upper part of the furnace body, which greatly reduces the leakage of heat and saves gas.
  • the upper half of each of the cookware positioning posts is made of plastic material and the lower half is made of heat resistant material.
  • the above-mentioned cookware positioning column can realize the positioning of different sizes of cookware, and the upper part of the cookware positioning column is a fusible plastic material, which can avoid the irregularity and instability of the bottom shape of some cookware, and the use of the positioning column is mainly used for Control the size of the gap between the bottom of the cookware and the upper part of the furnace.
  • a fan is connected at the air inlet.
  • the outlet of the gas passage is located on a lower plate, and an upper plate is disposed above the lower plate, and the distance between the edges of the upper and lower plates is between 0.05 mm and 50 mm.
  • the upper plate Above the upper plate is a cylindrical screen, the bottom of which is sealed by a gas impermeable plate, the upper portion of which is aligned with the combustion zone.
  • the mixed gas does not directly enter the combustion zone for combustion, but penetrates the filter, reduces the pressure, and mixes well and enters the combustion zone to burn, which also makes the gas combustion more fully.
  • Figure 1 is a cross-sectional view of a portion of a prior art stove head
  • Figure 2 is a partial perspective view of a prior art cooking stove
  • Figure 3 is a cross-sectional view of the cooker of the present invention
  • Figure 4 is a partial cross-sectional view of the cooker of the present invention.
  • FIG. 5 is a schematic view showing the structure of the upper and lower plates at the gas passage of the present invention. detailed description
  • the stove mainly includes a cooktop 1, a furnace body 2, and a gas passage 15.
  • the cooktop frame 1 is used for supporting the cookware.
  • the shape of the cooktop frame 1 is generally an elliptical shape similar to the shape of the bottom of the cookware.
  • the cooktop frame is fixed to the outer wall of the furnace body 2 by connecting rods and the like, and the height of the connecting member such as the connecting rod can be adjusted. Adjust the height of the frame to accommodate cookware of different shapes and sizes.
  • the cooktop frame 1 can also be fixed to the furnace body 2, which may limit the applicable range of the cookware.
  • the whole body of the furnace body 2 is a column having an open upper end, and the inner cavity of the furnace body 2 is an intake area 13, a gas and air mixing area 7 and a combustion area 8 from bottom to top, and the air inlet 16 has an air inlet 16 for the furnace body.
  • the combustion zone 8 has a boss 21 1 , and the intake zone 13, the gas-air mixing zone 7 and the combustion zone 8 are sequentially connected.
  • the furnace body 2 is divided into three parts, that is, the combustion zone furnace body 21 1 forming the combustion zone 8 at the uppermost portion and the two-part furnace body forming the gas inlet zone 13 and the gas-air mixing zone 7, burning
  • the upper part of the furnace body 21 1 has a concave surface which is the same as or similar to the bottom arc of the cookware, and the concave surface is provided with a plurality of dowels 3, which can absorb heat from a part of the exhaust gas to achieve better energy saving. effect.
  • the furnace body 2 can of course also be formed as a one-piece structure.
  • the design of the combustion zone furnace body 21 1 into the above-mentioned split structure has the following advantages. First, it is convenient to place the electronic ignition pin 5 and the flameout protection pin 6 between the combustion zone 8 and the gas and air mixing zone 7, and the second is convenient. Installation, the weight of the whole furnace body is large, and the split body is easy to move.
  • the gas passage 15 extends from the outside of the furnace body 2 through the intake region 13 of the furnace body into the gas-air mixing region 7 of the furnace body.
  • the inlet of the gas passage 15 is located outside the furnace body, and is connected to the gas source 17 which is located in the gas-air mixing zone 7.
  • the gas passage outlet 151 is located on the lower plate 10, and the upper plate 101 is disposed above the lower plate 10.
  • the distance between the edges of the upper plate 101 and the lower plate 10 is 0.05 mm to 50 mm, so that the gas passage can be exited. After the high pressure gas from 151 is depressurized, it flows to the gas and air mixing zone 7 to make the mixing of gas and air more sufficient.
  • the electronic ignition pin 5 and the flameout protection needle 6 are located at the junction of the gas-air mixing zone 7 and the combustion zone 8.
  • the lash adjuster 4 is placed on the boss 21 1 located in the furnace body 21 of the combustion zone, and the lash adjuster 4 and the boss 21 1 are connected by a plurality of screws 42 of adjustable height, so that the gap adjustment can be conveniently adjusted.
  • the upper half of each cookware positioning post 41 is made of plastic material, and the lower half is made of heat-resistant material, that is, when the bottom of the cookware contacts the cookware positioning post 41.
  • the upper portion of the cooker positioning post 41 is melted.
  • the filter 9 is cylindrical, the bottom of the cylindrical filter 9 is not gas-permeable, and the upper part of the filter 9 is connected to the inner wall of the furnace by threads, of course. It is also possible to fix the screen 9 by other commonly used connection methods.
  • the bottom of the screen 9 is sealed by a gas impermeable plate, the upper portion of which is aligned with the combustion zone 8.
  • a fan 14 is provided at the air inlet 16, and the fan 14 blows air into the intake area to accelerate the supply of air.
  • the wind speed of the fan 14 is controlled by the controller 12.
  • the specific control method can be the same as that of the ordinary fan, and will not be described in detail here.
  • the controller can also control the gas inlet size of the gas passage 15, thereby controlling the supply rate of the gas.
  • the cross section of the flow divider 11 is a trapezoid having a large upper and lower cross section, and the position of the flow equalizer 1 1 is higher than the height of the air inlet, and is blown from the fan 14
  • the incoming high-pressure air can be dispersed and risen along the outer surface of the flow equalizer 1 1 to equalize the air pressure plane distribution and to make the air dispersion more evenly enter the gas-air mixing zone 7 .
  • the height of the lash adjuster 4 is adjusted up and down.
  • the specific process is that the cookware is first buckled on a platform, and then the lash adjuster 4 is buckled onto the cookware to make the three cookware positioning posts 41 contact.
  • the upper portion of the cooker body 21 is reversed on the lash adjuster 4, so that the distance between the lowest nail 3 on the furnace body 21 and the bottom of the cookware is maintained at about 10 mm, and the highest nail is placed.
  • the lash adjuster 4 is fixed to the boss 21 1 at this time.
  • the furnace body 21 of the combustion zone is fixed to another part of the furnace body, and then the frame 1 is fixed to the furnace body 2, and then inverted, and other components can be installed in order.
  • the gas source 17 When the gas source 17 is turned on, the gas flows out uniformly from the upper plate 101 and the lower plate 10 through the gas passage 15, and the air that enters and exits the fan passes through the gater 1 1 to be depressurized and uniformly enters the gas and air mixing zone 7, the gas and the gas The mixed gas of air flows upward through the filter 9, and the electronic ignition pin 5 ignites the gas, and the gas is burned in the combustion zone 8. Since the combustion zone 8 has good sealing performance (relative sealing is good, but still needs to be provided The gap of the exhaust gas is exhausted. By controlling the distance between the bottom of the cookware and the furnace body 21 of the combustion zone, the gap of the exhaust gas can be made as small as possible, as long as the exhaust gas cannot be discharged and the explosion occurs.
  • the circumference of the cooktop is sealed, in order to be able to
  • the exhaust gas from the gap is dissipated, and a plurality of gaps (not shown) for exhaust gas discharge may be opened at the edge of the cooktop frame. These gaps are preferably opened to the rear side of the cooktop frame, so as to prevent the exhaust gas from coming out and rushing to the chef.
  • the above-described embodiment of the cooktop may have other modifications.
  • the lash adjuster 4 may be slidably mounted to the inner wall of the combustion zone furnace body 21.
  • the number of the positioning pins 41 of the cookware is not limited to three.

Landscapes

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

Description

炉灶 技术领域
本发明涉及家庭、饭店等场合使用的炉具领域，尤其涉及一种节省燃气的炉灶。
背景技术
使用燃气的炉灶目前在家庭、 饭店等场所应用已经十分广泛， 如何能够提高燃 气的利用率， 也就是减少热量损失， 一直以来都是本领域人员研究的重点。 公开号 为 CN1584406A, 名称为 "能使燃气充分燃烧并具有数字显示控制功能的节能炉具" 中公开了一种相对节能的炉灶。 参见图 1和图 2， 节能炉主要包括面板 27、 支撑面 板 27的底座 28、 底座 28上的支撑脚 36、 支撑炊具的炊具支架 37、 托盘 39和节能 炉头 38。 节能炉头的火盖 1 置于火盖座 2上， 其中央设置有火环喷嘴孔 17、 横向 火环喷嘴孔 16和纵向火环喷嘴孔 19的喷火嘴， 喷火嘴的下方设有双向燃气槽 12 和内燃气室 1 1 , 喷火嘴的侧方设有外气体通道 13、 外燃气室 14和火槽环喷嘴 15 , 在内燃气室 1 1的下方设有气体横向进入通道 10和高压喷射管 4 , 在气体横向进入 通道 10的下方设有气体纵向进入通道 9、 气体进入高压通道孔 6、 高压燃气喷嘴 7 和高压燃气通道 8; 燃气从高压燃气通道 5进入， 上述各部件位于燃气座 3上。
上述炉灶在使用时， 炊具放置到炊具支架 37上， 火焰从火环喷嘴孔 17、 横向 火环喷嘴孔 16、 纵向火环喷嘴孔 19、 火槽环喷嘴 15等处喷出， 对^具进行加热。
上述炉灶的缺点是， 点火区、 燃气与空气混合区都几乎位于炉头的顶部， 炊具 底部与各个火焰喷嘴孔的距离较大， 火焰外露， 能量损耗大， 燃气利用率低。 发明内容
本发明的目的是提供一种可有效节能的炉灶。
为实现上述目的， 提供如下技术方案：
炉灶， 包括：
灶框， 其支撑炊具， 灶框安装到下述炉体上；
炉体， 其为上端开口的柱状， 炉体内腔自下到上分别为进气区、 燃气与空气混 合区和燃烧区， 进气区有空气入口， 进气区、 燃气与空气混合区和燃烧区依次连通； 燃气通道的入口位于炉体外部， 连接燃气源， 燃气通道的出口位于所述燃气与空气 混合区；
电子打火针， 其位于所述燃气与空气混合区和所述燃烧区交界处；
间隙调节器， 其安放在位于燃烧区内的炉体内， 间隙调节器可在炉体内上下移 动， 间隙调节器的上部在安装时接触炊具的底部。
本发明炉灶有相对密封的炉体， 当炊具放到灶框上时， 通过调节间隙调节器的 高度， 可以使炊具底部与炉体的上表面之间只留下较小的缝隙， 燃气在炉体的燃烧 区内燃烧， 而燃烧后的废气通过炊具底部与炉体上部之间的缝隙排出， 极大地减小 了热量的外漏， 起到了节省燃气的效果。
进一步的技术方案是：
在间隙调节器的上部有至少三个等距离排布的炊具定位柱， 每个炊具定位柱的 上半部分为塑胶材料， 下半部分为耐热材料。
上述炊具定位柱可以实现对不同大小的炊具进行定位， 而炊具定位柱上部为易 熔的塑胶材料， 可以避免由于一些炊具底部形状的不规则而不稳的现象出现， 使用 定位柱主要是用于控制炊具底部与炉体上部的缝隙大小。
再进一步的技术方案是：
在所述空气入口处连接风机。
这样可以保证氧气的供应， 避免由于空气不足而燃气燃烧不充分。
再进一步的技术方案是：
所述燃气通道的出口位于一块下板上， 在所述下板上方有一上板， 上下板的边 缘处间距在 0.05mm~50mm之间。
燃气在上述两个板间流出时，分布更加均匀 ,可以使燃气与空气混合更加充分。 再进一步的技术方案是：
在所述上板的上方有一圆柱状的滤网， 滤网的底部由不透气的平板密封， 滤网 的上部对准所述燃烧区。
这样使混合后的气体并非直接进入燃烧区进行燃烧，而是透过滤网，降低压力， 充分混合后进入燃烧区燃烧， 也使得燃气燃烧更加充分。 附图说明
图 1是现有技术炉灶炉头部分的剖视图；
图 2是现有技术炉灶局部立体示意图； 图 3是本发明炉灶的剖面图；
图 4是本发明炉灶的局部剖视图；
图 5是本发明燃气通道处的上板和下板的结构示意图。 具体实施方式
参见图 3 , 炉灶主要包括灶框 1、 炉体 2和燃气通道 15。 灶框 1用于支撑炊具， 灶框 1的形状一般为与炊具底部形状类似的椭圓形， 灶框通过连接杆等部件固定到 炉体 2的外壁， 通过调节连杆等连接件的高度可以调节灶框的高度， 以适应不同形 状与大小的炊具。 当然， 灶框 1也可以固定到炉体 2上， 这样可能使炊具的适用范 围受到一定限制。 炉体 2的整体为上端开口的柱状， 炉体 2内腔自下到上分别为进 气区 13、 燃气与空气混合区 7和燃烧区 8 , 进气区 13有空气入口 16 , 炉体的燃烧 区 8内有凸台 21 1 , 进气区 13、 燃气与空气混合区 7和燃烧区 8依次连通。 在本实 施例中， 炉体 2分成三个部分， 即位于最上部的形成燃烧区 8的燃烧区炉体 21 1和 形成进气区 13与燃气与空气混合区 7的两部分炉体， 燃烧区炉体 21 1 的上部呈与 炊具底部弧线相同或者类似的凹面， 在此凹面上设置有多个膛钉 3 , 这些膛钉 3可 以吸收一部分废气所带出来的热量， 实现更好的节能效果。 炉体 2当然也可以做成 一体式结构。 将燃烧区炉体 21 1设计成上述分体式结构有如下优点， 第一， 便于安 放位于燃烧区 8和燃气与空气混合区 7之间的电子打火针 5和熄火保护针 6 , 第二 便于安装， 整个炉体的重量较大， 分体制作容易搬动。
燃气通道 15从炉体 2外部经过炉体的进气区 13伸入到炉体的燃气与空气混合 区 7。 燃气通道 15的入口位于炉体外部， 连接燃气源 17 , 燃气通道出口 151位于 燃气与空气混合区 7内。 参见图 5 , 燃气通道出口 151位于下板 10上， 在下板 10 的上方设有上板 101 , 上板 101与下板 10的边缘处间距在 0.05mm~50mm , 这样设 置可以使从燃气通道出口 151出来的高压燃气降压后均勾地流向燃气与空气混合区 7 , 使燃气与空气的混合更加充分。
电子打火针 5和熄火保护针 6位于燃气与空气混合区 7和燃烧区 8交界处。 参见图 4， 间隙调节器 4安放在位于燃烧区炉体 21 内的凸台 21 1上， 间隙调节 器 4与凸台 21 1通过高度可调的多个螺钉 42连接，这样可以方便调节间隙调节器 4 在炉体 2内的高度。 在间隙调节器的上部有三个等距离排布的炊具定位柱 41 , 每个 炊具定位柱 41 的上半部分为塑胶材料， 下半部分为耐热材料， 也就是当炊具底部 接触炊具定位柱 41的上部时， 炊具定位柱 41的上部被熔化。 在燃气与空气混合区 Ί内， 上板 101的上方有一滤网 9 , 该滤网 9为圆柱状， 圆柱状滤网 9的底部不透气， 滤网 9上部通过螺纹与炉体内壁连接， 当然也可以采 用其他常用的连接方式固定滤网 9。 滤网 9的底部由不透气的平板密封， 滤网 9的 上部对准燃烧区 8。
在空气入口 16处设有风机 14 , 风机 14向进气区吹入空气， 加速空气的供应。 风机 14的风速大小由控制器 12控制，具体的控制方法可如同普通风扇的调速方法， 在此不做详细介绍。 另外， 该控制器也可以控制燃气通道 15 的燃气入口大小， 从 而控制燃气的供给速度。
在进气区 13内， 有一匀流器 1 1 , 该匀流器 1 1的截面为上大下小的梯形， 匀流 器 1 1的位置高于所述空气入口的高度， 从风机 14吹进来的高压空气可以沿着匀流 器 1 1 的外表面分散上升， 均衡空气压力平面分布， 并使空气分散更加均勾地进入 燃气与空气混合区 7。
下面介绍上述炉灶的安装方法和工作过程。
根据炊具的大小型号不同， 上下调节间隙调节器 4的高度， 具体过程是， 先将 炊具倒扣在一平台上， 再将间隙调节器 4倒扣到炊具上， 使三个炊具定位柱 41接 触炊具的底部， 再在间隙调节器 4上倒扣上燃烧区炉体 21 , 使得燃烧区炉体 21上 的最低处的膛钉 3与炊具底部的距离保持在大概 10mm左右， 而最高处膛钉与炊具 的底部接触， 这时将间隙调节器 4与凸台 21 1 固定死。 然后再将燃烧区炉体 21 与 炉体的另一部分固定， 接下来再将灶框 1 固定到炉体 2上， 再倒置过来， 其它部件 可以按顺序安装即可。
由此可见， 当炊具放入此炉灶上以后， 由于定位柱 41 的存在， 炊具的底部几 乎将整个炉体密封， 只在定位柱 41之间留下 4mm左右高的缝隙， 燃烧的废气可以 从此缝隙中排出， 而在此废气排出过程中， 废气所携带的热量又有一部分被膛钉 3 所吸收， 最大程度地避免了热量的流失。
当燃气源 17开启时， 燃气经过燃气通道 15从上板 101和下板 10之间均匀的 流出， 风机出入的空气经过勾流器 1 1降压后均匀进入燃气与空气混合区 7， 燃气与 空气的混合气体再经过滤网 9向上流动， 此时电子打火针 5将燃气点燃， 燃气在燃 烧区 8内燃烧， 由于燃烧区 8的密封性好（相对密封性好， 但仍需有供废气排出的 缝隙） ， 通过控制炊具底部与燃烧区炉体 21 的距离， 可以使排出废气的缝隙尽量 小， 只要不至于废气无法排出而发生爆炸情况即可。
另外， 一般上述炉灶安装完成后， 灶框的周围都是密封的， 为了能够使从上述 缝隙中出来的废气散发出去， 可以在灶框的边缘开设若干供废气排出的缺口 （图未 示） ， 这些缺口最好开设到灶框的后侧， 这样可以避免废气出来后冲向厨师。
上述实施例的炉灶还可有其他的变形， 比如， 间隙调节器 4还可以以悬挂而可 滑动的方式设置到燃烧区炉体 21的内壁上。 另外， 很显然， 炊具定位柱 41的数量 也并不限于 3个。
以上实例仅用以说明而非限制本发明的技术方案。 不脱离本发明精神和范围的 任何修改或局部替换， 均应涵盖在本发明的权利要求范围当中。

Claims

权利要求
1、 炉灶， 其特征在于， 包括：
灶框， 其支撑炊具， 灶框安装到下述炉体上；
炉体， 其为上端开口的柱状， 炉体内腔自下到上分别为进气区、 燃气与空气混 合区和燃 烧区， 进气区有空气入口， 进气区、 燃气与空气混合区和燃烧区依次连 通；
燃气通道， 其从炉体外部经过炉体的进气区伸入到炉体的燃气与空气混合区； 燃气通道的入口位于炉体外部， 连接燃气源， 燃气通道的出口位于所述燃气与空气 混合区；
电子打火针， 其位于所述燃气与空气混合区和所述燃烧区交界处；
间隙调节器， 其安放在位于燃烧区内的炉体内， 间隙调节器可在炉体内上下移 动， 间隙调节器的上部在安装时接触炊具的底部。
2、 根据权利要求 1所述的炉灶， 其特征在于， 炉体的燃烧区内有凸台， 间 隙调节器安放在所述凸台上， 间隙调节器与所述凸台的距离可调。
3、 根椐权利要求 1所述的炉灶， 其特征在于， 在间隙调节器的上部有至少 三个等距离排布的炊具定位柱， 每个炊具定位柱的上半部分为塑胶材料， 下半部分 为耐热材料。
4、 根据权利要求 1所述的炉灶， 其特征在于， 所述空气入口连接风机。
5、 根据权利要求 1所述的炉灶， 其特征在于， 所述燃气通道的出口位于一 块下板上，在所述下板上方有一上板， 上下板的边缘处间距在 0.05mm~50mm之间。
6、 根据权利要求 5所述的炉灶， 其特征在于， 在所述上板的上方有一圓柱 状的滤网， 滤网的底部由不透气的平板密封， 滤网的上部对准所述燃烧区。
7、 根据权利要求 6所述的炉灶， 其特征在于， 在所述进气区内有一勾流器， 该匀流器的截面为上大下小的梯形， 匀流器的位置高于所述空气入口的高度。
8、 根据权利要求 1 -7 中任意一项所述的炉灶， 其特征在于， 所述炉体的上 表面为与炊具底面形状相同的凹陷形， 在炉体的上表面设置有多个膛钉。
9、 根据权利要求 8所述的炉灶， 其特征在于， 还包括控制燃气通道开口大 小及风机转速的控制器。 根据权利要求 9所述的炉灶' 其特征在于' 在所述灶框的边缘处开设若
PCT/CN2009/001354 2008-12-02 2009-12-01 炉灶 Ceased WO2010063164A1 (zh)

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CN102261675A (zh) * 2011-06-01 2011-11-30 曾文洲 一种带有旋风发生装置的节能炉
CN104075349A (zh) * 2013-03-25 2014-10-01 东莞市金丰厨房设备有限公司 一种炉灶
CN103784319B (zh) * 2014-02-24 2015-07-01 刘荣芬 中药容器循环快速煎煮装置
WO2015154255A1 (zh) * 2014-04-09 2015-10-15 蔡雅惠 液态瓦斯用的缓冲装置

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