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1. 发明授权

US6116196A Water-tube boiler 失效
标题翻译：水管锅炉
公开(公告)号：US6116196A
公开(公告)日：2000-09-12
申请号：US903418
申请日：1997-07-30
申请人： Shigehiro Watanabe , Noboru Takubo , Kanta Kondou
发明人： Shigehiro Watanabe , Noboru Takubo , Kanta Kondou
IPC分类号： F22B21/06 , F24H1/40 , F22B21/00
CPC分类号： F22B21/065 , F24H1/403
摘要： In a water-tube boiler in which pollutant (especially NOx) emissions are reduced, a plurality of water tubes arranged in an annular shape are provided. At least some of the water tubes thereof are spaced apart along an annulus so as to provide a plurality of gaps therebetween. A combustion-reaction ongoing gas passes through these gaps, and a temperature thereof is lowered to 1400.degree. C. upon contact with the water tubes. The boiler further includes a second plurality of water tubes arranged in an annular shape outside of the first plurality of water tubes. By adjusting the arrangement of the water tubes along respective annuli and/or adjusting an orientation of the tubes along their length (so as to be straight, tilted, or bent), control of the exhaust emissions is enhanced.
摘要翻译：在污染物（特别是NOx）排放物减少的水管式锅炉中，设置有排列成环状的多个水管。至少一些水管沿着环形空间分隔开，以便在它们之间提供多个间隙。燃烧反应正在进行的气体通过这些间隙，并且在与水管接触时其温度降低到1400℃。锅炉还包括在第一多个水管外部以环形形式布置的第二多个水管。通过沿着各个环调整水管的布置和/或沿其长度调节管的方向（以便是直的，倾斜的或弯曲的），增强了废气排放的控制。

2. 发明授权

US06269782B1 Water-tube boiler 有权
标题翻译：水管锅炉
公开(公告)号：US06269782B1
公开(公告)日：2001-08-07
申请号：US09630389
申请日：2000-08-01
申请人： Toshihiro Kayahara , Akinori Kawakami , Takashi Morimatsu , Koichi Wakae , Kanta Kondou , Tomohiro Ookubo , Osamu Tanaka
发明人： Toshihiro Kayahara , Akinori Kawakami , Takashi Morimatsu , Koichi Wakae , Kanta Kondou , Tomohiro Ookubo , Osamu Tanaka
IPC分类号： F22B2134
CPC分类号： F22B21/065
摘要： Boiler efficiency is further improved and the whole boiler body is slimmed down by totally improving heat transfer surfaces confronting gas flow passages, i.e., by forming the heat transfer surface structure into three stages, and moreover by making effective use of the whole heat transfer surfaces of water tubes equipped with fully circumferentially finned water tubes. The water-tube boiler includes: an annular first water tube array made up of a plurality of water tubes and having a first opening; an annular second water tube array made up of a plurality of water tubes and having a second opening, the second water tube array being arranged outside the first water tube array; a combustion chamber provided inside the first water tube array; and a gas flow passage leading from the first opening to the second opening and defined between the two water tube arrays, wherein heat transfer surfaces confronting the gas flow passage are structured into a high-temperature heat transfer surface structure, a middle-temperature heat transfer surface structure, and a low-temperature heat transfer surface structure, as viewed from an upstream side along gas flow.
摘要翻译：锅炉效率进一步提高，整个锅炉体通过完全改善面对气流通道的传热面，即通过将传热表面结构形成三个阶段，而且通过有效利用整个传热面配有完全圆周翅片水管的水管。所述水管锅炉包括：由多个水管构成并具有第一开口的环形第一水管阵列; 由多个水管组成并具有第二开口的环形第二水管阵列，所述第二水管阵列布置在所述第一水管阵列的外部; 设置在第一水管阵列内的燃烧室; 以及从第一开口通向第二开口并限定在两个水管阵列之间的气体流动通道，其中面对气体流动通道的传热表面被构造成高温传热表面结构，中温传热表面结构，以及从气流的上游侧观察的低温传热面结构。

3. 发明授权

US6041743A Water-tube boiler and burner 失效
标题翻译：水管锅炉和燃烧器
公开(公告)号：US6041743A
公开(公告)日：2000-03-28
申请号：US997853
申请日：1997-12-24
申请人： Noboru Takubo , Kanta Kondou
发明人： Noboru Takubo , Kanta Kondou
IPC分类号： F23D14/84 , F22B21/06 , F23C1/08 , F23C99/00 , F23D14/24 , F23D14/34 , F23D17/00 , F24H1/40 , F22B23/04
CPC分类号： F24H1/403 , F22B21/065 , F23D14/24 , F23D14/34 , F23D17/002 , F23D2209/20
摘要： The invention provides a water-tube boiler and a burner capable of realizing a reduction in NO.sub.x and CO in both the combustion of liquid fuel and the combustion of gaseous fuel. The water-tube boiler comprises a burner which uses liquid fuel or gaseous fuel switchably, characterized in that a plurality of water tubes are arranged into an annular shape in a zone where burning-reaction ongoing gas derived from the burner is present within a combustion chamber. The water-tube boiler comprises a burner which uses either liquid fuel or gaseous fuel. A first water tube array is formed by arranging a plurality of water tubes into an annular shape in a zone where burning-reaction ongoing gas derived from the burner is present within a combustion chamber. Gaps are provided between adjacent water tubes of the first ongoing gas to flow therethrough. A zone is provided around the first water tube array to allow burning reaction to be continuously effected.
摘要翻译：本发明提供一种能够在液体燃料的燃烧和气体燃料的燃烧中实现NOx和CO的还原的水管式锅炉和燃烧器。水管式锅炉包括一个可切换地使用液体燃料或气体燃料的燃烧器，其特征在于，在燃烧室内存在燃烧反应的来自燃烧器的气体的区域内，多个水管被布置成环形，。水管锅炉包括使用液体燃料或气体燃料的燃烧器。通过在燃烧室内存在来自燃烧器的燃烧反应正在进行的气体的区域中，将多个水管布置成环形形成第一水管阵列。在第一进行气体的相邻水管之间提供间隙以流过其中。围绕第一水管阵列设置区域以允许连续地进行燃烧反应。

4. 发明授权

US6029614A Water-tube boiler with re-circulation means 失效
标题翻译：水管锅炉采用再循环装置
公开(公告)号：US6029614A
公开(公告)日：2000-02-29
申请号：US2027
申请日：1997-12-31
申请人： Toshihiro Kayahara , Noboru Takubo , Kanta Kondou
发明人： Toshihiro Kayahara , Noboru Takubo , Kanta Kondou
IPC分类号： F23C99/00 , F22B21/04 , F22B21/06 , F22B31/00 , F23C9/08 , F24H1/40 , F22B23/04
CPC分类号： F22B21/065 , F23C9/08 , F24H1/403 , F23C2202/30 , F23C2202/50 , F23D2204/10
摘要： The water-tube boiler fulfills the reduction in NO.sub.x with a simple constitution, and achieves reduction in NO.sub.x and reduction in CO at the same time with a simple constitution. In the water-tube boiler, a plurality of water tubes (5) are arranged in a zone where burning-reaction ongoing gas derived from a burner (10) is present within a combustion chamber (9), and exhaust gas recirculation equipment (26) is provided to feed part of exhaust gas exhausted from the combustion chamber 9 to the burner 10.
摘要翻译：水管式锅炉以简单的结构实现NOx的还原，并且以简单的结构同时实现NOx的还原和CO的还原。在水管锅炉中，在燃烧室（9）内存在来自燃烧器（10）的燃烧反应正在进行的气体和废气再循环设备（26）的区域中布置有多个水管（5））被设置为将从燃烧室9排出的废气的一部分供给到燃烧器10。

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