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1. 发明申请

US20060263731A1 Device and method for feeding fuel 失效
标题翻译：燃料供给装置和方法
公开(公告)号：US20060263731A1
公开(公告)日：2006-11-23
申请号：US11411930
申请日：2006-04-27
申请人： Toshiaki Hasegawa , Susumu Mochida , Toshihumi Hoshino , Kiyoko Hoshino
发明人： Toshiaki Hasegawa , Susumu Mochida , Toshihumi Hoshino , Kiyoko Hoshino
IPC分类号： F23J7/00 , F23D11/44 , F23L15/00
CPC分类号： F23L15/04 , F23C9/00 , F23C2202/10 , F23C2202/20 , F23C2202/30 , F23D14/66 , F23K2401/10 , F23K2900/01041 , F23L7/005 , F23L15/02 , Y02E20/348
摘要： The present invention provides a fuel feeding apparatus and method for improving the controllability of mixing process and mixing ratio of fuel and combustion air, and a combustion system and method for effecting new combustion properties. The fuel feeding apparatus of the combustion system has fuel feeding means, combustion gas extraction means, steam supply means, mixing means and fuel gas introduction means. The combustion gas extraction means extracts combustion gas of a combustion area therefrom. The mixing means mixes the fuel of fuel feeding means with at least one of combustion gas extracted from the furnace and steam of a steam generator. The fuel gas introduction means introduces a mixed fluid of combustion gas, steam and fuel to the combustion area as a fuel gas, and allows the fuel gas to be mixed with the combustion air. A step of mixing the fuel with the combustion gas after extracted from the furnace and a step of mixing the fuel gas with the combustion air are stepwisely carried out, so that the controllability of mixing process and ratio of the air and fuel is improved. Such a control of fuel gas flow enables control of characteristics of flame and production of flame with new properties in the combustion area.
摘要翻译：本发明提供一种用于提高燃料和燃烧空气的混合过程和混合比的可控性的燃料供给装置和方法，以及用于实现新燃烧特性的燃烧系统和方法。燃烧系统的燃料供给装置具有燃料供给装置，燃烧气体提取装置，蒸汽供应装置，混合装置和燃料气体引入装置。燃烧气体提取装置从其中提取燃烧区域的燃烧气体。混合装置将燃料供给装置的燃料与从炉中提取的燃烧气体和蒸汽发生器的蒸汽中的至少一种混合。燃料气体引入装置将燃烧气体，蒸汽和燃料的混合流体作为燃料气体引入燃烧区域，并且允许燃料气体与燃烧空气混合。逐步进行从炉中抽出燃料与燃烧气体混合的步骤，并且使燃料气与燃烧空气混合的步骤逐步进行，从而提高了混合过程的控制性和空气与燃料的比例。这种燃料气体流量的控制使得能够在燃烧区域中具有新的特性来控制火焰的特性和火焰的产生。

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