超临界二氧化碳锅炉 Supercritical carbon dioxide boilers  ICS  27.060.30 CCS  J 98   中华人民共和国国家标准 GB/T 44684—2024 2024-09-2 9发布 2025-04-0 1实施     国家市场监督管理总局 国家标准化管理委员会 发 布目　　次 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     锅炉范围界定   ·························································································   2      4.1     锅炉范围   ·························································································   2      4.2     锅炉本体   ·························································································   3      4.3     锅炉范围内管道   ·················································································   3      4.4     安全附件和仪表   ·················································································   3 5     型号和参数   ···························································································   4      5.1     型号   ······························································································   4      5.2     参数   ······························································································   4 6     一般要求   ······························································································   5 7     材料   ··································································································   5 8     设计   ··································································································   5      8.1     集箱与管道   ······················································································   5      8.2     气冷壁   ···························································································   6      8.3     高温受热面   ······················································································   6      8.4     分流省煤器   ······················································································   6 9     制造和检验   ···························································································   7 10     安全附件及仪表   ·····················································································   7      10.1     安全阀及其排放管路   ···········································································   7      10.2     温度测量装置   ···················································································   7      10.3     压力测量装置   ···················································································   8      10.4     联锁保护   ························································································   8      10.5     其他   ·····························································································   8 11     产品铭牌、涂装、包装和随机文件   ·································································   9      11.1     产品铭牌   ························································································   9      11.2     涂装和包装   ·····················································································   9      11.3     随机文件   ························································································   9 12     安装与运行   ··························································································   9 附录A （资料性）    超临界二氧化碳物性数据   ························································   10 附录B （资料性）    超临界二氧化碳布雷顿循环发电机组启动前吹管方法   ···························   37      B.1     预吹扫   ··························································································   37      B.2     闭式稳压吹管   ··················································································   39 GB/T 44684—2024     Ⅰ      B.3     吹管质量标准   ·························································