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    • 1. 发明专利
    • 燃料二段燃焼式バーナ装置及び燃料二段燃焼方法
    • 燃油两级燃烧式燃烧器装置和燃油两级燃烧方法
    • JP2015004483A
    • 2015-01-08
    • JP2013130394
    • 2013-06-21
    • 日本ファーネス株式会社Nippon Furnace Co Ltd
    • KOIZUMI NORIHIKOAIHARA KAZUHIROKARUISHI KENJIMOCHIDA SUSUMU
    • F23D14/22F23C6/04
    • 【課題】一次燃焼域における燃焼安定性を損なうことなく、二次燃料供給量/一次燃料供給量の比率を増大するとともに、窒素酸化物の発生量を増大させることなく、燃焼用空気の過剰率を増大する。【解決手段】一次燃料噴射口(11)の一次燃料(F1)が、バーナスロート(13)内において燃焼用空気流(A)に供給される。堰部分(20)が、二次燃料噴射口(12)と出口開口(14)との間に配置され且つ炉内表面(W)に突設される。二次燃料(F2)の方向性は、堰部分(20)によって変化する。二次燃料は、炉内燃焼ガス(EG)と混合する。堰部分の間に形成された炉内燃焼ガス還流路(30)を介して炉内燃焼ガス循環流が燃焼用空気流(A)に供給される。燃焼用空気は炉内燃焼ガスにより希釈される。炉内燃焼ガスと混合した二次燃料と、希釈後の燃焼用空気とが接触混合して二次燃焼火炎(C2)が炉内領域(V)に生成するので、NOx低減効果が向上する。【選択図】図1
    • 要解决的问题:提供一种用于增加二次燃料供给量/一次燃料供给量的比率而不劣化一次燃烧区域中的燃烧稳定性的燃料二级燃烧方法,并且用于增加燃烧空气的过量比 而不增加氮氧化物的产生量。解决方案:主燃料喷射口(11)的主要燃料(F1)被供给燃烧器喉部(13)中的燃烧空气流(A)。 水坝部分(20)设置在二次燃料喷射口(12)和出口(14)之间,并突出到炉内表面(W)上。 二次燃料(F2)的方向性由坝部(20)改变。 二次燃料与炉内燃烧气体(EG)混合。 通过形成在坝部之间的炉内燃烧气体再循环通道(30),将炉内燃烧气体循环流供给到燃烧空气流(A)。 燃烧的空气用炉内燃烧气体稀释。 与炉内燃烧气体混合的二次燃料和稀释的燃烧空气混合,使得在炉内区域(V)中产生二次燃烧火焰(C2),从而提高NOx还原效果。
    • 2. 发明专利
    • Cleaning device and cleaning method for honeycomb heat storage body
    • 蜂窝式热存储器清洁装置和清洁方法
    • JP2013007536A
    • 2013-01-10
    • JP2011141235
    • 2011-06-24
    • Nippon Furnace Co Ltd日本ファーネス株式会社
    • ARAAKI TADAHIROMOCHIDA SUSUMUKATSUSHIMA HIROKAZU
    • F23J3/00
    • PROBLEM TO BE SOLVED: To air-purge cell holes of a stationary honeycomb heat storage body to remove dust, scale or the like in the cell holes, without causing increase of pressure loss or requiring arrangement of mechanical drive mechanisms in an air feed and exhaust flow passage.SOLUTION: A cleaning device of a honeycomb heat storage body (1) includes: a high pressure gas feed pipe (3) connected to a high pressure feed source (2); an ejection tube (5) connected to the high pressure gas feed pipe through a rotary joint (4); and a bearing (6) rotatably supporting the ejection tube. The rotary joint, the bearing and the ejection tube are arranged inside the air feed and exhaust flow passage (P) of a combustion system. The ejection tube includes: jetting apertures (7) for cleaning which blow an opened end face (Ha) of the heat storage body with jets of high pressure gas; and jetting apertures (8) for driving which blow jets for driving substantially parallel to the opened end face. The ejection tube is rotated by thrust forces acting on the ejection tube as reaction of the jets for driving.
    • 要解决的问题:为了净化固定蜂窝蓄热体的电池孔以除去电池孔中的灰尘,氧化皮等,而不会增加压力损失或需要在空气中布置机械驱动机构 进料和排气流通道。 蜂窝蓄热体(1)的清洗装置包括:与高压进料源(2)连接的高压气体供给管(3); 通过旋转接头(4)连接到高压气体供给管的喷射管(5); 以及可旋转地支撑喷射管的轴承(6)。 旋转接头,轴承和排出管布置在燃烧系统的进气和排气通道(P)的内部。 喷射管包括:用于清洁的喷射孔(7),其利用高压气体喷射吹入储热体的开口端面(Ha); 以及喷射孔(8),用于驱动基本上平行于打开的端面进行驱动的吹气口。 喷射管由于作为喷射用于驱动的​​反作用力而作用在喷射管上的推力旋转。 版权所有(C)2013,JPO&INPIT
    • 3. 发明专利
    • AT533998T
    • 2011-12-15
    • AT00952004
    • 2000-08-15
    • NIPPON FURNACE CO LTD
    • HOSHINO TOSHIHUMIHASEGAWA TOSHIAKIMOCHIDA SUSUMUHOSHINO KIYOKO
    • F23L15/02F23C9/00F23C99/00F23D14/66F23L7/00F23L15/04
    • 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.