彩票网app下载
<tr id='kNr3WE'><strong id='kNr3WE'></strong><small id='kNr3WE'></small><button id='kNr3WE'></button><li id='kNr3WE'><noscript id='kNr3WE'><big id='kNr3WE'></big><dt id='kNr3WE'></dt></noscript></li></tr><ol id='kNr3WE'><option id='kNr3WE'><table id='kNr3WE'><blockquote id='kNr3WE'><tbody id='kNr3WE'></tbody></blockquote></table></option></ol><u id='kNr3WE'></u><kbd id='kNr3WE'><kbd id='kNr3WE'></kbd></kbd>
低氮燃烧改造工艺是指通过调整燃料燃烧区域氧气浓度的空间分布，降低烟『气中NOx的初始生成浓度的工艺。常见的低氮燃▓烧改造措施有：空气分级燃烧、燃烧器≡数目控制、燃料分级燃烧、低氧燃烧、烟气再循环、低氮燃烧器等。脱硝效率可达30-60%。
