WO2017124653A1 - 一种工业型醇基燃料气化燃烧器 - Google Patents

一种工业型醇基燃料气化燃烧器 Download PDF

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Publication number
WO2017124653A1
WO2017124653A1 PCT/CN2016/079224 CN2016079224W WO2017124653A1 WO 2017124653 A1 WO2017124653 A1 WO 2017124653A1 CN 2016079224 W CN2016079224 W CN 2016079224W WO 2017124653 A1 WO2017124653 A1 WO 2017124653A1
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Prior art keywords
gasification
gasifier
hollow
soaking
alcohol
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PCT/CN2016/079224
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English (en)
French (fr)
Inventor
冯敏昌
杨范斌
杨毅
林君伟
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福建大为能源有限公司
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Publication of WO2017124653A1 publication Critical patent/WO2017124653A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
    • F23D11/22—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour the gaseous medium being vaporised fuel, e.g. for a soldering lamp, or other gaseous fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details, e.g. burner cooling means, noise reduction means
    • F23D11/38—Nozzles; Cleaning devices therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details, e.g. burner cooling means, noise reduction means
    • F23D11/38—Nozzles; Cleaning devices therefor
    • F23D11/383—Nozzles; Cleaning devices therefor with swirl means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details, e.g. burner cooling means, noise reduction means
    • F23D11/44—Preheating devices; Vaporising devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details, e.g. burner cooling means, noise reduction means
    • F23D11/44—Preheating devices; Vaporising devices
    • F23D11/441—Vaporising devices incorporated with burners
    • F23D11/448—Vaporising devices incorporated with burners heated by electrical means

Definitions

  • the invention relates to the technical field of industrial fuel combustion, and in particular to an industrial burner generally applicable to gasification combustion of alcohol-based liquid fuel.
  • Alcohol-based fuels are fuels mainly composed of alcohols (such as methanol, ethanol, butanol, etc.) and exist in liquid form at normal temperature and pressure. They are environmentally friendly clean energy that governments are currently promoting; facing petrochemical energy Exhausted, alcohol-based fuel is the most promising new alternative energy source, which is favored by enterprises in various countries.
  • alcohol-based fuel gasification combustion technology In the existing liquid fuel atomization combustion technology, there is no technology to adapt to the characteristics of alcohol-based fuel, so that the combustion effect of alcohol-based liquid fuel To meet the application requirements of the industrial field, new gasification combustion technology is needed.
  • the alcohol-based fuel gasification combustion technology has the disadvantages of difficulty in starting preheating, poor gasification effect, easy clogging of the gasification device, and low combustion power. Therefore, thermal combustion technology using alcohol-based fuels for industrial production is extremely demanding.
  • the object of the present invention is to provide an industrial alcohol-based fuel gasification burner, expand the application range of the alcohol-based fuel, and lay a foundation for the popular application of the alcohol-based fuel in the industrial furnace.
  • An industrial alcohol-based fuel gasification burner comprises a burner body, a hollow heat soaking gasifier installed on one side of the burner body in the fire chamber, and a combustion component mounted on the outside of the hollow soaking gasifier, burning
  • the component ignites the vaporized alcohol-based fuel, and the flame is sprayed from the fire outlet through the hollow soaking gasifier;
  • the hollow soaking gasifier is provided with an electric heating element and a gasification tube, and one end of the gasification tube is extended
  • the hollow soaking gasifier and the burner form a gasification tube inlet for the input of the alcohol-based liquid fuel, and the other end of the gasification tube protrudes out of the hollow soaking gasifier to form a gasification conveying tube to vaporize the alcohol-based liquid.
  • the fuel is ignited to the combustion component in the burner body, and a fan interface is additionally provided on the burner body.
  • the hollow soaking gasifier is a hollow cast aluminum heat equalizing block, and the hollow cast aluminum heat block is covered with a heat insulating layer, and the gasification tube is spirally wound around the hollow coil structure.
  • the gasification tube and the electric heating element are integrally cast and formed in the cast aluminum heat block to ensure uniform gasification.
  • the combustion assembly includes: a gas fuel nozzle disposed in the burner body and a gasification delivery pipe, the gas fuel nozzle is connected to the atmospheric ejector, and the outer end of the atmospheric ejector is connected to the air swirl plate and the fire An orifice plate is provided on the fire plate, and the fire hole plate and the ignition needle are located at an outer end surface of the hollow cast aluminum heat block, and the gasification pipe is suitable for burning the vaporized alcohol-based liquid.
  • the fuel is delivered to the gaseous fuel nozzle and ejected into the atmospheric ejector to mix with the air and ignite in the fire plate.
  • the burned flame passes through the hollow cast aluminum heat block and is ejected from the fire exit.
  • the end of the electric heating element protrudes from the cast aluminum heat equalizing block and the burner body and is mounted with an electrode.
  • the burner body is provided with a burner mounting flange.
  • the soaking gasifier is provided with a temperature detector.
  • the present invention burns the alcohol-based fuel after the initial gasification, and the flame passes through the cast aluminum soaking block, so that the heat generated by the combustion ensures the continuous vaporization temperature of the cast aluminum heat block, thereby ensuring the alcohol.
  • the base fuel is gasified uniformly and fully, so that it is thoroughly mixed with the combustion air to ensure that the alcohol-based liquid fuel reaches a completely stable combustion and meets the requirements of industrial combustion.
  • Figure 1 is a schematic view of the structure of the present invention.
  • an industrial alcohol-based fuel gasification burner includes a burner body 1 and a cavity of the burner body 1 on a side of the fire outlet 2 is provided with a hollow soaking gasifier 3, which is hollow
  • a combustion assembly 4 is mounted on the outside of the thermal gasifier 3, the combustion assembly 4 ignites the vaporized alcohol-based fuel, and the flame is ejected from the fire outlet 2 through the hollow soaking gasifier 3; the hollow soaking gasifier 3 is inside
  • An electric heating element 5 and a gasification tube 6 are disposed.
  • One end of the gasification tube 6 extends out of the hollow soaking gasifier 3 and the burner body 1 to form a gasification tube inlet 61 for the input of the alcohol-based liquid fuel, and the gasification tube 6 One end extends out of the hollow soaking gasifier 3 to form a gasification delivery pipe 62, and the vaporized alcohol-based liquid fuel is output to the combustion assembly 4 in the burner body 1 for ignition, and the burner body 1 is additionally provided with a fan interface. 7.
  • the hollow soaking gasifier 3 is a hollow cast aluminum heat block, and the hollow cast aluminum heat block is covered with a heat insulating layer 31, and the gasification tube 6 is a spiral disk.
  • the structure is wound in the hollow cast aluminum heat equalizing block, and the gasification tube 6 and the electric heating element 5 are integrally molded and formed in the cast aluminum heat equalizing block to ensure uniform gasification.
  • the combustion assembly 4 includes a gas fuel nozzle 41 disposed in the burner body 1 and a gasification delivery tube 62.
  • the gas fuel nozzle 41 is connected to the atmospheric ejector 42 and the outer end of the atmospheric ejector 42 is connected to the air.
  • the fire plate 44 is provided with an ignition needle 45, the fire plate 44 and the ignition needle (5 are located at the outer end surface of the hollow cast aluminum heat block, the gasification pipe 62 will be suitable
  • the burned vaporized alcohol-based liquid fuel is delivered to the gaseous fuel nozzle 41 and ejected into the atmospheric ejector 42 to be mixed with air and ignited in the fire plate 44.
  • the burned flame passes through the hollow cast aluminum soaking.
  • the block is ejected from the fire exit.
  • the end of the electric heating element 5 protrudes from the cast aluminum heat equalizing block and the burner body 1 and is mounted with the electrode 51.
  • the burner body 1 A burner mounting flange 8 is provided thereon.
  • a temperature detector 9 is provided on the soaking gasifier 3.
  • the control system turns on the gasification
  • the tube inlet input valve is input with an alcohol-based liquid fuel, and the alcohol-based liquid fuel is heated and vaporized by the gasification tube and then sent to the gas fuel nozzle by the gasification delivery tube, and is ejected by the gas fuel nozzle and introduced by the atmospheric ejector.
  • the air is thoroughly mixed to the fire plate, and is ignited by the ignition needle for combustion, and the burned flame is ejected from the fire outlet through the cast aluminum heat block.
  • the cast aluminum soaking block absorbs the heat of the combustion flame to maintain the heat supply to the gasification tube.
  • the electric heating element stops heating, and only the fuel flame is used for radiation. Heat can continue to vaporize and burn the fuel.
  • the invention is based on the fact that the alcohol-based liquid fuel is vaporized and burned.
  • the flame passes through the hollow cast aluminum soaking block, and can heat the cast aluminum soaking block by the radiation heat of the combustion flame, so that the soaking block is maintained within a suitable gasification temperature range, and provides a temperature suitable for gasification of the alcohol-based liquid fuel.
  • it ensures that the alcohol-based fuel is vaporized uniformly and fully, without carbon deposition and without liquid, so that the fuel gas after gasification can be fully mixed with the combustion air to ensure complete combustion of the alcohol-based liquid fuel, meeting the requirements of industrial combustion.

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

Abstract

一种工业型醇基燃料气化燃烧器，包括燃烧器本体(1)、燃烧器本体(1)内腔于出火口(2)的一侧安装有中空的均热气化器(3)，中空的均热气化器(3)外侧安装有燃烧组件(4)，燃烧组件(4)将气化后的醇基燃料点火燃烧，火焰穿过中空的均热气化器(3)从出火口(2)喷出；中空的均热气化器(3)内设有电加热元件(5)及气化管(6)，电加热元件(5)用于初始加热均热气化器(3)，气化管(6)一端伸出中空的均热气化器(3)及燃烧器本体(1)外形成气化管入口(61)供醇基液体燃料输入，气化管(6)另一端伸出中空的均热气化器(3)外形成气化输送管(62)将气化后的醇基液体燃料输出至燃烧器本体(1)内的燃烧组件(4)处点火，燃烧器本体(1)上另设有风机接口(7)补入助燃空气。该燃烧器使得醇基燃料持续均匀气化并完全燃烧。

Description

一种工业型醇基燃料气化燃烧器 技术领域
本发明涉及一种工业型燃料燃烧技术领域，具体涉及一种普遍适用于醇基液体燃料气化燃烧的工业燃烧器。
背景技术
醇基燃料就是以醇类（如甲醇、乙醇、丁醇等）物质为主体配置的燃料，在常温常压下以液体形式存在，是各国政府目前大力推广的环保洁净能源；面对石化能源的枯竭，醇基燃料是最有潜力的新型替代能源，深受各国企业组织的青睐；现有液体燃料雾化燃烧技术中，还没有适应醇基燃料特性的技术，要使醇基液体燃料燃烧效果达到工业领域的应用要求，需要采用新的气化燃烧技术。目前的醇基燃料气化燃烧技术还存在起动预热困难、气化效果差、气化装置易堵塞、燃烧功率小等缺点。所以，使用醇基燃料用于工业生产的热力燃烧技术极待开发。
发明内容
有鉴于此，本发明的目的是提供一种工业型醇基燃料气化燃烧器，拓展醇基燃料的应用范围，为醇基燃料在工业窑炉的普及应用奠定基础。
为达成上述目的，本发明采用如下技术方案：
一种工业型醇基燃料气化燃烧器，包括燃烧器本体、燃烧器本体内腔于出火口的一侧安装有中空的均热气化器，中空的均热气化器外侧安装有燃烧组件，燃烧组件将气化后的醇基燃料点火燃烧，火焰穿过中空的均热气化器从出火口喷出；中空的均热气化器内设有电加热元件及气化管，气化管一端伸出中空的均热气化器及燃烧器本体外形成气化管入口供醇基液体燃料输入，气化管另一端伸出中空的均热气化器外形成气化输送管将气化后的醇基液体燃料输出至燃烧器本体内的燃烧组件处点火，燃烧器本体上另设有风机接口。
进一步，所述的中空的均热气化器为中空的铸铝均热块，中空的铸铝均热块外包覆隔热保温层，气化管为螺旋盘管结构旋绕在所述的中空的铸铝均热块内，气化管与电加热元件一体铸造成型在铸铝均热块内以保障气化均匀。
进一步，所述的燃烧组件包括：设置在燃烧器本体内与气化输送管对接的气体燃料喷嘴，气体燃料喷嘴连接大气式引射器，大气式引射器外端连接空气旋流板及火孔板,火孔板上设有点火针，所述的火孔板及点火针位于中空的铸铝均热块外侧端面位置，所述的气化输送管将适合燃烧的气化后的醇基液体燃料输送至气体燃料喷嘴并喷出至大气式引射器内与空气混合并在火孔板点燃，燃烧后的火焰穿过中空的铸铝均热块并由出火口喷出。
进一步，所述的电加热元件端头伸出铸铝均热块及燃烧器本体并安装有电极。
进一步，所述的燃烧器本体上设有燃烧器安装法兰。
进一步，所述的均热气化器上设有温度检测器。
采用上述技术方案，本发明由于将初始气化后的醇基燃料燃烧后，火焰穿过铸铝均热块，使燃烧产生的热量保证维持铸铝均热块的持续气化温度，进而保证醇基燃料气化均匀且充分，使其与助燃空气充分混合，保证醇基液体燃料达到完全稳定燃烧，满足工业燃烧的要求。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本发明的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1为本发明结构示意图。
具体实施方式
为了使本发明所要解决的技术问题、技术方案及有益效果更加清楚、明白，以下结合附图和实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
如图1所示，一种工业型醇基燃料气化燃烧器，包括燃烧器本体1、燃烧器本体1内腔于出火口2的一侧安装有中空的均热气化器3，中空的均热气化器3外侧安装有燃烧组件4，燃烧组件4将气化后的醇基燃料点火燃烧，火焰穿过中空的均热气化器3从出火口2喷出；中空的均热气化器3内设有电加热元件5及气化管6，气化管6一端伸出中空的均热气化器3及燃烧器本体1外形成气化管入口61供醇基液体燃料输入，气化管6另一端伸出中空的均热气化器3外形成气化输送管62将气化后的醇基液体燃料输出至燃烧器本体1内的燃烧组件4处点火，燃烧器本体1上另设有风机接口7。
在具体的实施例中，所述的中空的均热气化器3为中空的铸铝均热块，中空的铸铝均热块外包覆隔热保温层31，气化管6为螺旋盘式结构旋绕在所述的中空的铸铝均热块内，气化管6与电加热元件5一体铸造成型在铸铝均热块内以保障气化均匀。所述的燃烧组件4包括：设置在燃烧器本体1内与气化输送管62对接的气体燃料喷嘴41，气体燃料喷嘴41连接大气式引射器42，大气式引射器42外端连接空气旋流板43 及火孔板44,火孔板44上设有点火针45，所述的火孔板44及点火针（5位于中空的铸铝均热块外侧端面位置，所述的气化输送管62将适合燃烧的气化后的醇基液体燃料输送至气体燃料喷嘴41并喷出至大气式引射器42内与空气混合并在火孔板44点燃，燃烧后的火焰穿过中空的铸铝均热块并由出火口喷出。
进一步的，如图1，所述的电加热元件5端头伸出铸铝均热块及燃烧器本体1并安装有电极51。所述的燃烧器本体1 上设有燃烧器安装法兰8。
所述的均热气化器3上设有温度检测器9。
工作时，初始起动时，将铸铝均热块通过电极接通电加热元件使铸铝均热块受热升温至合适的气化温度（由温度检测器检测并控制）时，控制系统打开气化管入口输入阀输入醇基液体燃料，醇基液体燃料通过气化管时受热气化后由气化输送管输送至气体燃料喷嘴，由气体燃料喷嘴喷出后经与大气式引射器引入的空气充分混合至火孔板处，由点火针点燃进行燃烧，燃烧后的火焰穿过铸铝均热块从出火口喷出。当燃烧火焰建立后，铸铝均热块吸收燃烧火焰幅射热就能维持给气化管供热，当均热块达到正常温度后，电加热元件就停止加热，仅利用燃料火焰的幅射热就能使燃料气化和燃烧持续进行。
本发明的发明点在于醇基液体燃料气化并燃烧后。火焰穿过中空铸铝均热块，能够利用燃烧火焰的幅射热加热铸铝均热块，使均热块保持在合适的气化温度范围内，提供适宜醇基液体燃料气化的温度，进而保证醇基燃料气化均匀且充分，不积碳，不带液，使其气化后的燃料气能与助燃空气充分混合，保证醇基液体燃料达到完全燃烧，满足工业燃烧的要求，能够适应工业大功率的需求且达到减小燃烧器体积的目的。
上述说明示出并描述了本发明的优选实施例，如前所述，应当理解本发明并非局限于本文所披露的形式，不应看作是对其他实施例的排除，而可用于各种其他组合、修改和环境，并能够在本文所述发明构想范围内，通过上述教导或相关领域的技术或知识进行改动。而本领域人员所进行的改动和变化不脱离本发明的精神和范围，则都应在本发明所附权利要求的保护范围内。

Claims (6)

  1. 一种工业型醇基燃料气化燃烧器，其特征在于：包括燃烧器本体（1）、燃烧器本体（1）内腔于出火口（2）的一侧安装有中空的均热气化器（3），中空的均热气化器（3）外侧安装有燃烧组件（4），燃烧组件（4）将气化后的醇基燃料点火燃烧，火焰穿过中空的均热气化器（3）从出火口（2）喷出；中空的均热气化器（3）内设有电加热元件（5）及气化管（6），气化管（6）一端伸出中空的均热气化器（3）及燃烧器本体（1）外形成气化管入口（61）供醇基液体燃料输入，气化管（6）另一端伸出中空的均热气化器（3）外形成气化输送管（62）将气化后的醇基液体燃料输出至燃烧器本体（1）内的燃烧组件（4）处点火，燃烧器本体（1）上另设有风机接口（7）。
  2. 如权利要求1所述的一种工业型醇基燃料气化燃烧器，其特征在于： 所述的中空的均热气化器（3）为中空的铸铝均热块，中空的铸铝均热块外包覆隔热保温层（31），气化管（6）为螺旋盘管式结构旋绕在所述的中空的铸铝均热块内，气化管（6）与电加热元件（5）一体铸造成型在浇在铸铝均热块内以保障气化管受热均匀，不会出现局部过热。
  3. 如权利要求2所述的一种工业型醇基燃料气化燃烧器，其特征在于：所述的燃烧组件（4）包括：设置在燃烧器本体（1）内与气化输送管（62）对接的气体燃料喷嘴（41），气体燃料喷嘴（41）连接大气式引射器（42），大气式引射器（42）外端连接空气旋流板（43） 及火孔板（44）,火孔板（44）上设有点火针（45），所述的火孔板（44）及点火针（45）位于中空的铸铝均热块外侧端面位置，所述的气化输送管（62）将适合燃烧的气化后的醇基燃料气输送至气体燃料喷嘴（41）并喷入至大气式引射器（42）内与空气混合并在火孔板（44）点燃，燃烧后的火焰穿过中空的铸铝均热块并由出火口喷出。
  4. 如权利要求3所述的一种工业型醇基燃料气化燃烧器，其特征在于：所述的电加热元件（5）端头伸出铸铝均热块及燃烧器本体（1）并安装有电极（51）。
  5. 如权利要求4所述的一种工业型醇基燃料气化燃烧器，其特征在于：所述的燃烧器本体（1 ）上设有燃烧器安装法兰（8）。
  6. 如权利要求4所述的一种工业型醇基燃料气化燃烧器，其特征在于：所述的均热气化器（3）上设有温度检测器（9）。
PCT/CN2016/079224 2016-01-21 2016-04-14 一种工业型醇基燃料气化燃烧器 WO2017124653A1 (zh)

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