前言························································································································Ⅲ

　　1范围·····················································································································1

　　2规范性引用文件······································································································1

　　3术语和定义············································································································1

　　4基本要求···············································································································2

　　5改造技术要求·········································································································2

　　6现场调试···············································································································3

　　7改造后检验检测与验收·····························································································3

　　8使用维护与保养······································································································4

　　参考文献····················································································································5

　　本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规

　　请注意本文件中的某些内容可能涉及到专利。本文件的发布机构不承担识别专利的责任。

　　本文件起草单位：湖南省特种设备检验检测研究院、浙江力聚热能装备股份有限公司、湖南柯林瀚

　　本文件主要起草人：刘欣、陈镇南、殷先华、陈湘清、吴丹红、张希旺、吴四彩、蒋开国、汤国乐、

　　本文件规定了燃气锅炉（设施）低氮改造的术语和定义、基本要求、改造技术要求、现场调试、改

　　本文件适用于燃气锅炉（含蒸汽锅炉、热水锅炉、有机热载体锅炉）和配置工业用燃烧器的燃气设

　　下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件，

　　仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于本

　　指燃料燃烧过程中氮氧化物排放量低的燃烧器，燃烧器分为燃油、燃气以及双燃料燃烧器。

　　指燃烧所需空气和燃料在燃烧行程的不同区域混合后参加燃烧，实现总体抑制NOx生成的燃烧技

　　指从烟囱抽取部分温度较低的烟气与空气混合，通过燃烧器送入炉内燃烧，从而降低燃烧温度和氧

　　通过特定的结构设计，使部分烟气直接在炉膛内回流进入燃烧器头部与空气混合后燃烧，可有效降

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