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    • 1. 发明专利
    • Fuel spray nozzle
    • 燃油喷雾喷嘴
    • JP2014173794A
    • 2014-09-22
    • JP2013047523
    • 2013-03-11
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • KAJIMURA SHUHEISAITO KEISHIROINOUE KEIMIYAUCHI KOTARO
    • F23R3/28F02C7/232F02C9/40
    • F23R3/286F02C7/22F23C2203/30F23C2900/07021F23D11/383F23R3/14
    • PROBLEM TO BE SOLVED: To provide a fuel spray nozzle capable of attaining NOx reduction at low costs.SOLUTION: A fuel spray nozzle comprises: a liquid fuel flow passage 15 working as the flow passage of liquid fuel; a liquid fuel injection hole 19 putting the liquid fuel flow passage 15 in communication with the inside of a combustion burner and working as the hole for injecting the liquid fuel into the combustion burner; an additive agent flow passage 14 working as the flow passage of an additive agent; and an additive agent injection hole 18a putting the additive agent flow passage 14 in communication with the inside of the combustion burner and working as the hole for injecting the additive agent into the combustion burner at an angle for collision with the liquid fuel injected from the liquid fuel injection hole 19. As thus constructing, the fuel spray nozzle can be provided, which can attain NOx reduction at low cost.
    • 要解决的问题:提供能够以低成本实现NOx还原的燃料喷嘴。解决方案:燃料喷嘴包括:液体燃料流动通道15,其作为液体燃料的流动通道; 液体燃料喷射孔19,其将液体燃料流路15与燃烧器的内部连通并作为将液体燃料喷射到燃烧器中的孔; 作为添加剂的流路工作的添加剂流路14; 以及添加剂注入孔18a,其将添加剂流路14与燃烧器的内部连通并作为用于将添加剂以与液体喷射的液体燃料碰撞的角度喷射到燃烧器中的孔 燃料喷射孔19.由此构成,可以设置能够以低成本实现NOx还原的燃料喷雾喷嘴。
    • 2. 发明专利
    • Boiler device
    • 锅炉装置
    • JP2012145267A
    • 2012-08-02
    • JP2011003617
    • 2011-01-12
    • Babcock Hitachi Kkバブコック日立株式会社
    • ORII AKIHITOOKAZAKI HIROFUMI
    • F23C7/02F23C6/04F23L9/02
    • F23C7/02F23C6/04F23C7/004F23C2201/101F23C2900/06041F23C2900/07021F23D1/00F23D2201/20F23D2900/01001F23L9/02F23M5/08
    • PROBLEM TO BE SOLVED: To provide a boiler device with improved reliability and economical efficiency, including a sound air supply nozzle, forming a strong swirl flow along the inner surface of a furnace wall and also suppressing burnout caused by radiation heat, even if a gap is formed between the nozzle provided in a through hole communicating with the inside of a furnace and the through hole.SOLUTION: In the air supply nozzle, the through hole is formed in the furnace wall constituted of a water pipe, the air supply nozzle is inserted into the through hole, and the gap is provided between the nozzle and the through hole. The position of the tip end of the nozzle is separated from the inner surface of the furnace wall by 0.8 times or more the inside diameter of the nozzle. Gas jetted from the inside of the nozzle has a turning speed component.
    • 要解决的问题:为了提供具有提高的可靠性和经济效率的锅炉装置,包括声音供气喷嘴,沿着炉壁的内表面形成强烈的涡旋流,并且还抑制由辐射热引起的烧坏,甚至 如果在设置在与炉内部连通的通孔中的喷嘴与通孔之间形成间隙。 解决方案:在供气喷嘴中,通孔形成在由水管构成的炉壁中,供气喷嘴插入通孔中,并且在喷嘴和通孔之间设置间隙。 喷嘴前端的位置与炉壁的内表面分开喷嘴内径的0.8倍以上。 从喷嘴内部喷射的气体具有转速分量。 版权所有(C)2012,JPO&INPIT