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公开(公告)号：US5759022A
公开(公告)日：1998-06-02
申请号：US543663
申请日：1995-10-16
CPC分类号： F23L7/007 , C03B5/235 , F23C6/042 , F23L15/02 , F23C2201/102 , Y02E20/322 , Y02E20/344 , Y02E20/348 , Y02P40/535
摘要： In a method of this invention, a first oxidant flow including oxygen and/or air, is injected into an exhaust gas flow from a primary burn zone in a furnace combustion chamber. The first oxidant flow is injected into the exhaust gas flow in a secondary burn zone downstream from the primary burn zone, but inside of the furnace chamber so that heat released from combustion of the first oxidant flow can be used for the purpose to which the furnace is applied. Also, the injection of the first oxidant flow into the secondary burn zone combusts fuel pollutants that might otherwise be released from the furnace into the atmosphere. The method can also include mixing a gaseous hydrocarbon fuel flow with the exhaust gas flow from the secondary burn zone to reduce the NO.sub.x, level in the exhaust gas. Also, the method can include mixing a second oxidant flow including air and/or oxygen, with the exhaust gas, preferably after reducing the NO.sub.x. If the furnace is a regenerative type, the air flow can be mixed with the exhaust gas flow in proximity to the entrance of a regenerator to heat the regenerator. The invention also includes a related system.
摘要翻译： 在本发明的方法中，将包含氧和/或空气的第一氧化剂流注入来自炉燃烧室中的初级燃烧区的废气流中。 第一氧化剂流被注入到主燃烧区下游的第二燃烧区域中的废气流中，但是在炉室的内部注入，使得从第一氧化剂流的燃烧释放的热可以用于炉的目的 被申请;被应用。 而且，将第一氧化剂流注入次级燃烧区域燃烧燃料污染物，否则燃料污染物可能会从炉中释放到大气中。 该方法还可以包括将气态碳氢化合物燃料流与来自二次燃烧区的废气流混合以减少废气中的NOx。 此外，该方法可以包括将包括空气和/或氧气的第二氧化剂流与废气混合，优选在还原NOx之后。 如果炉是再生型，则可以将气流与靠近再生器入口的废气流混合以加热再生器。 本发明还包括相关系统。
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2.发明申请公开(公告)号：US20090084346A1
公开(公告)日：2009-04-02
申请号：US11863960
申请日：2007-09-28
IPC分类号： F02F3/26
CPC分类号： F23L9/02 , F23C7/02 , F23C2201/101 , F23C2900/07021 , F23M9/02
摘要： An improved gas flow injector has been developed for use in a combustion system. The gas flow injector has an inner nozzle with tubular configuration for directing a first gas stream to a location distal to the gas flow injector. The inner nozzle has an outlet end portion and a longitudinal central axis. Disposed about the inner nozzle is an outer nozzle having a tubular configuration, for directing a second gas stream to a location proximal to the gas flow injector. A diverter is mounted to the outlet end portion of the inner nozzle and extends at least partially into the second gas stream. The diverter has a surface disposed at an acute angle relative to the longitudinal central axis of the inner nozzle to redirect at least a portion of the second gas stream in a direction transverse to the longitudinal central axis. Also disclosed is a method of injecting a gas into a combustion system using the gas flow injector of this invention.
摘要翻译： 已经开发了用于燃烧系统的改进的气流注入器。 气流注入器具有带有管状构造的内部喷嘴，用于将第一气流引导到远离气流注入器的位置。 内部喷嘴具有出口端部分和纵向中心轴线。 围绕内部喷嘴设置的是具有管状构造的外部喷嘴，用于将第二气体流引导到靠近气体流动注入器的位置。 分流器安装到内部喷嘴的出口端部分并且至少部分地延伸到第二气体流中。 分流器具有相对于内部喷嘴的纵向中心轴线成锐角设置的表面，以使第二气流的至少一部分在横向于纵向中心轴线的方向上重新定向。 还公开了使用本发明的气流注入器将气体注入燃烧系统的方法。
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3.发明授权Reburning glass furnace for insuring adequate mixing of gases to reduce NO.sub.x emissions 失效重燃玻璃炉，确保充分混合气体以减少NOx排放
公开(公告)号：US5795364A
公开(公告)日：1998-08-18
申请号：US551402
申请日：1995-11-01
申请人： Roy Payne , David K. Moyeda
发明人： Roy Payne , David K. Moyeda
CPC分类号： C03B5/237 , C03B5/235 , F23C6/042 , Y02P40/535 , Y02P40/58
摘要： A mixing method insures adequate mixing of gases in a glass furnace that employs a reburning process. Because of the mixing method, a novel glass furnace can be constructed that strikes an optimum balance between a reduction in nitrogen oxide (NO.sub.x) emissions and the cost of the reburn process, particularly, the number of requisite reburn and overfire air jets as well as reburn fuel. The glass furnace is constructed as follows. A combustion housing defines a primary zone for receiving combustible fuel, a reburn zone connected to the primary zone for receiving exhaust from the primary zone and reburn fuel to generate a first gas mixture. A burnout zone is connected to the reburn zone and receives the first gas mixture and overfire air to generate a second gas mixture. In accordance with the mixing method, one or more reburn jets provide reburn fuel to the reburn zone so that the fuel stoichiometric ratio observed at multiple locations in a first measurement plane of the first gas mixture residing substantially at an exit to the reburn zone is characterized by a first coefficient of variation (COV) that is about 0.4, and further, one or more overfire air jets provides air to the overburn zone so that a second measurement plane of the second gas mixture residing substantially at an exit of the burnout zone is characterized by a second coefficient of variation that is 0.4.
摘要翻译： 混合方法确保在采用再燃烧工艺的玻璃熔炉中充分混合气体。 由于混合方式，可以构建一种新的玻璃熔炉，其在氮氧化物（NOx）排放的减少与重燃过程的成本之间达到最佳平衡，特别是所需的再燃烧和超燃喷气的数量以及 再燃燃料 玻璃熔炉的结构如下。 燃烧壳体限定用于接收可燃燃料的主区域，连接到主区域的重击区域，用于接收来自主区域的排气并重燃燃料以产生第一气体混合物。 燃烧区域连接到再燃烧区域并接收第一气体混合物和过热空气以产生第二气体混合物。 根据混合方法，一个或多个重燃喷嘴向再沸区提供再燃燃料，使得在基本上位于再烧区的出口处的第一气体混合物的第一测量平面中的多个位置处观察到的燃料化学计量比被表征 通过约0.4的第一变异系数（COV），并且进一步地，一个或多个过火空气射流向超燃烧区域提供空气，使得基本上位于燃尽区出口处的第二气体混合物的第二测量平面是 其特征在于第二变异系数为0.4。
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