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公开(公告)号：US4551090A
公开(公告)日：1985-11-05
申请号：US562848
申请日：1983-12-19
摘要： A burner for combustion of nitrogen-containing fuels. The burner includes a core-air tube with centrally arranged oil atomizing lance, a dust tube surrounding the core-air tube, a mantle-air tube which surrounds the dust tube and is provided with an axially shiftable twist-blade ring arranged at the air inlet, as well as a burner opening which expands conically toward the combustion chamber. The core-air tube and the mantle-air tube are supplied from a main air conduit. Air jets or nozzles are provided in a concentric arrangement around the burner opening. These air nozzles are connected with the main air passage by conduits, and the air stream discharging from the air nozzles is regulated by a flap.
摘要翻译： 用于燃烧含氮燃料的燃烧器。 燃烧器包括具有中心布置的油雾喷枪的核心空气管，围绕核心 - 空气管的灰尘管，围绕尘埃管的套管空气管，并且设置有布置在空气中的轴向可移动的扭转叶片环 入口以及朝向燃烧室锥形膨胀的燃烧器开口。 核心空气管和套管空气管由主空气管道供应。 空气喷嘴或喷嘴以燃烧器开口周围的同心布置设置。 这些空气喷嘴通过管道与主空气通道连接，并且从空气喷嘴排出的气流由挡板调节。
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公开(公告)号：US4333405A
公开(公告)日：1982-06-08
申请号：US176188
申请日：1980-08-07
IPC分类号： F23D1/02
CPC分类号： F23D1/02
摘要： A burner for combustion of powdery fuels. The burner has a core-air tube with a centrically arranged ignition device, a dust tube surrounding the core-air tube, and a mantle-air tube which surrounds the dust tube and is provided with an axially displaceable twist blade ring or impeller, arranged at its air inlet, as well as a burner opening which widens conically toward the combustion chamber. A dust-ignition burner is arranged concentrically in a core-air tube, and comprises an ignition-dust tube arranged concentrically around an igniter, and a mantle-air tube which surrounds the ignition-dust tube for the ignition-dust flame and is provided with an axially displaceable twist blade ring or impeller, arranged at its air inlet, as well as a conically widening outlet. The conical angle of the dust-ignition burner outlet is equal to or greater than the conical angle of the outlet of the main burner. The dust-ignition burner outlet terminates before the beginning of the conical widening of the main burner.
摘要翻译： 用于燃烧粉末燃料的燃烧器。 燃烧器具有核心 - 空气管，其具有中心布置的点火装置，围绕核心 - 空气管的灰尘管和围绕尘埃管的套管空气管，并且设置有可轴向移位的扭转叶片环或叶轮，布置 在其空气入口处，以及燃烧器开口，其朝向燃烧室锥形变宽。 灰尘点火式燃烧器同心地配置在核心 - 空气管中，并且包括围绕点火器同心设置的点火式灰尘管和围绕点火 - 粉尘火焰的点火 - 粉尘管的罩套 - 具有布置在其空气入口处的可轴向移位的扭转叶片环或叶轮以及锥形加宽的出口。 点火燃烧器出口的锥角等于或大于主燃烧器出口的锥角。 灰尘点火燃烧器出口在主燃烧器的锥形加宽开始之前终止。
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公开(公告)号：US4466363A
公开(公告)日：1984-08-21
申请号：US358860
申请日：1982-03-17
CPC分类号： F23D1/00
摘要： A method of ignition of a coal dust annular burner flame having an internal back flow region. The ignition energy is introduced centrally into the internal back flow region of the coal dust annular burner flame, and is delivered entirely or at least partially by a dust-ignition flame. The dust air-dust weight ratio for the dust-ignition flame is smaller than that of the main burner flame, being either 0.5 to 1.0, or 0.2 to 0.5, compared with a ratio of 1.5 to 2.0 for the main burner flame.
摘要翻译： 一种具有内部回流区域的煤尘环形燃烧器火焰的点火方法。 点火能量集中地引入煤尘环形燃烧器火焰的内部后部流动区域中，并且全部或至少部分地由点火火焰输送。 与主燃烧器火焰相比，点火火焰的灰尘空气重量比小于主燃烧器火焰的粉尘空气重量比，与主燃烧器火焰的1.5〜2.0的比例相比，为0.5〜1.0或0.2〜0.5。
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4.发明授权Method of preparing ignition fuel pursuant to flow dynamics from a primary fuel flow for a pulverized fuel pilot light 失效根据来自粉煤燃料引燃灯的主燃料流的流动动力学制备点燃燃料的方法
公开(公告)号：US4426938A
公开(公告)日：1984-01-24
申请号：US348251
申请日：1982-02-12
CPC分类号： F23K3/02
摘要： A method of igniting a pulverized-coal annular burner flame having an internal back flow region, with the ignition energy being introduced centrally into the interior of the back flow region of the pulverized-coal annular burner flame. The ignition energy for the annular burner flame is furnished by an ignited pulverized-fuel igniting flame or pilot light, which is operated with pulverized fuel having a different coarseness and/or consistency than does the primary fuel. Pulverous ignition fuel is withdrawn from the conduit of the primary fuel stream after an existing pulverizing plant at a location which is advantageous with regard to flow dynamics. The ignition fuel is withdrawn by means of a withdrawal device which is capable of being shut off, with the withdrawal opening thereof being directed in the direction of the primary fuel flow.
摘要翻译： 一种点燃具有内部回流区域的粉煤环形燃烧器火焰的方法，其中点燃能量集中地引入到粉煤环形燃烧器火焰的后部流动区域的内部。 用于环形燃烧器火焰的点火能量由点燃的粉碎燃料点燃火焰或引燃灯提供，该燃烧器或引燃灯与具有与初级燃料不同的粗糙度和/或稠度的粉碎燃料操作。 在现有的粉碎设备之后，在关于流动动力学有利的位置，从主要燃料流的导管中抽出燃烧的点燃燃料。 点火燃料借助于能够被切断的取出装置取出，其抽出开口被引向主要燃料流的方向。
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公开(公告)号：US4501206A
公开(公告)日：1985-02-26
申请号：US590207
申请日：1984-03-16
申请人： Klaus Leikert
发明人： Klaus Leikert
CPC分类号： F23D1/00 , F23D2207/00
摘要： A method of igniting a pulverized-coal pilot-burner flame for a pulverized-coal annular burner flame having an internal back flow region, with the ignition energy being introduced centrally into the interior of the back flow region of the pulverized-coal annular burner flame. To ignite the pilot-burner flame during the process of the initial ignition, at constant primary and secondary air flow and an air coefficient .lambda.--1.1 to 0.4, once or more a powder-laden air/powder mixture is supplied to the pilot-burner at a powder-laden air/powder weight ratio of 1.0 to 0.2. After ignition has been effected, a specified coal flow is continuously added to the pilot-burner flame at the fixed air coefficient .lambda.--1.1 to 0.4.
摘要翻译： 一种点燃煤粉引燃燃烧器火焰的方法，用于具有内部反流区域的粉煤环形燃烧器火焰，其中点燃能量集中引入粉煤环形燃烧器火焰的后部流动区域的内部 。 在初始点火过程中点燃先导燃烧器火焰，在恒定的一次和二次空气流量和空气系数λ-1.1至0.4，一次或多次将含粉末的空气/粉末混合物供应到先导燃烧器 粉末载体/粉末重量比为1.0至0.2。 点火完成后，将特定的煤流以固定空气系数λ-1.1至0.4连续加入到先导燃烧器火焰中。
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6.发明授权Method of reducing the nox-emissions during combustion of nitrogen-containing fuels 失效减少含氮燃料燃烧过程中的排放量的方法
公开(公告)号：US4790743A
公开(公告)日：1988-12-13
申请号：US937346
申请日：1986-12-03
CPC分类号： F23R3/34 , F23C6/047 , F23C2201/30
摘要： A method of reducing the NO.sub.x --emissions during combustion of nitrogen-containing fuels via burner units each including a primary burner and being arranged in a wall of a closed combustion chamber; fuel and air for combustion are supplied to the burner flame in stages as partial flows via delivery means which are separate from one another. With a number of primary burners being arranged one above the other the method is carried out in three steps: feeding coal dust along with its carrier gas to the primary burner and generating a primary flame zone having a strong internal back flow region and burning the coal dust under fuel-rich conditions, feeding reduction fuel into the combustion chamber and generating a secondary flame zone in the vicinity of the primary flame zone and being operated under more-fuel-rich conditions than the primary flame zone, feeding reduction fuel into the combustion chamber and generating a secondary flame zone in the vicinity of the primary flame zone and being operated under more-fuel-rich conditions than the primary flame zone, and feeding state air into the combustion chamber of the secondary flame zone and being operated under fuel lean conditions.
摘要翻译： 一种通过燃烧器单元减少含氮燃料燃烧过程中的NOx排放的方法，每个燃烧器单元包括主燃烧器并且布置在封闭的燃烧室的壁中; 用于燃烧的燃料和空气通过彼此分离的输送装置的分段供给到燃烧器火焰。 多个主燃烧器一个上下排列，该方法分三个步骤进行：将煤尘与其载气一起送入主燃烧器并产生具有强内部后流区域的主要火焰区域并燃烧煤 在燃料丰富的条件下的灰尘，将还原燃料送入燃烧室并在主火焰区附近产生二次火焰区，并在比主火焰区更富燃料的条件下运行，将还原燃料送入燃烧 并且在主火焰区域附近产生二次火焰区域，并且在比主火焰区域更富燃料的条件下运行，并且将状态空气供给到二次火焰区域的燃烧室中并且在燃料稀薄 条件。
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公开(公告)号：US4642225A
公开(公告)日：1987-02-10
申请号：US681223
申请日：1984-12-13
申请人： Klaus Leikert
发明人： Klaus Leikert
CPC分类号： B01D53/508
摘要： A method of binding sulfur compounds which are produced as reaction products during the combustion of sulfur-containing fuels in a charging bed or fluidized bed furnace at temperatures above 1000.degree. C. The method is effected by the addition of additives. The hot flue gases exiting directly from the charging bed or fluidized bed furnace pass through a cooling zone to lower the flue gas temperature to below 1000.degree. C. After this cooling zone, the additives are introduced into the cooled-off flue gas flow via a carrier medium. The charging bed or fluidized bed furnace for carrying out this method includes cooling surfaces for cooling the hot flue gases in the cooling zone. These cooling surfaces are disposed directly above the furnace surface and below the additive introduction surface. Cooling of the flue gases in the cooling zone can be effected by blowing in low-temperature flue gas between the upper edge of the furnace surface and the lower edge of the additive introduction surface.
摘要翻译： 在高于1000℃的温度下在装料床或流化床炉中燃烧含硫燃料期间作为反应产物生成的硫化合物的方法。该方法通过添加添加剂来实现。 直接从充电床或流化床炉排出的热烟道气通过冷却区，将烟气温度降至1000℃以下。在该冷却区之后，将添加剂通过一个 载体介质。 用于实施该方法的充电床或流化床炉包括用于冷却冷却区中的热烟道气的冷却表面。 这些冷却表面设置在炉表面的正上方并且在添加剂引入表面下方。 可以通过在炉表面的上边缘和添加剂引入表面的下边缘之间吹入低温烟道气来实现冷却区中烟道气的冷却。
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8.发明授权Method of preparing pulverized fuel withdrawn from a primary fuel flow for a pulverized fuel pilot light by means of a sifter device or a supplemental pulverizing plant 失效通过筛分装置或辅助粉碎设备从粉煤燃料引燃灯的主要燃料流中排出的粉化燃料的方法
公开(公告)号：US4436038A
公开(公告)日：1984-03-13
申请号：US348252
申请日：1982-02-12
CPC分类号： F23K3/02
摘要： A method of igniting a pulverized-coal annular burner flame having an internal back flow region, with the ignition energy being introduced centrally into the interior of the back flow region of the pulverized-coal annular burner flame. The ignition energy for the annular burner flame is furnished by an ignited pulverous fuel igniting flame or pilot light, which is operated with pulverous fuel having a different coarseness and/or consistency than does the primary fuel. The pulverous fuel, which is to be prepared for supplying a pulverous fuel pilot light, is withdrawn from the conduit of the primary fuel after an existing pulverizing plant. The pulverized fuel is withdrawn by means of a withdrawal device which is capable of being shut off, with the removal opening thereof being directed counter to the direction of the primary fuel flow.
摘要翻译： 一种点燃具有内部回流区域的粉煤环形燃烧器火焰的方法，其中点燃能量集中地引入到粉煤环形燃烧器火焰的后部流动区域的内部。 用于环形燃烧器火焰的点燃能量由点燃的火焰或引燃灯引燃的粉末燃料提供，该火焰或引燃灯与具有与初级燃料不同的粗糙度和/或稠度的粉状燃料操作。 在现有的粉碎设备之后，将从准备用于供应粉状燃料指示灯的粉末燃料从主要燃料的导管中取出。 粉碎的燃料通过能够被切断的取出装置取出，其拆卸开口与主燃料流的方向相反。
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