DB43/T—2024 308143 湖 南 省 地 方 标 准ICS 27.010 0 CCS F 1 发 布 湖南省市场监督管理局2024-08发布-30 2024-11实施-30电加热锅炉能效测试技术规范 Technical specification of energy efficiency test for electric boilersDB43/T 3081 —2024 I 目 次 前言 ································ ································ ································ ························ Ⅲ 1 范围 ································ ································ ································ ····················· 1 2 规范性引用文件 ································ ································ ································ ······ 1 3 术语和定义 ································ ································ ································ ············ 1 4 符号和单位 ································ ································ ································ ············ 2 5 基本要求 ································ ································ ································ ··············· 3 6 测试用仪器仪表 ································ ································ ································ ······ 3 7 测试准备 ································ ································ ································ ··············· 4 8 测试要求 ································ ································ ································ ··············· 4 9 锅炉热效率计算 ································ ································ ································ ······ 6 10 测试报告 ································ ································ ································ ·············· 6 附录A（资料性） 能效测试报告格式 ································ ································ ············· 8 参考文献 ································ ································ ································ ·················· 13 DB43/T 3081 —2024 II DB43/T 3081 —2024 III 前 言 本文件按照 GB/T 1.1 —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 定起草。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由湖南省市场监督管理局提出。 本文件由湖南省特种设备标准化技术委员会归口。 本文件起草单位：湖南省特种设备检验检测研究院、长沙市中心医院。 本文件主要起草人：廖良良、黄晔、张志强、谈春华、吴丹红、熊威、梁桢、刘欣、汪斌、刘雅。 DB43/T 3081 —2024 IV DB43/T 3081 —2024 1 电加热锅炉能效测试技术规范 1 范围 本文件规定了电加热锅炉能效测试的符号和单位、基本要求、测试用仪器仪表、测试准备、测试要 求、锅炉热效率计算和测试报告。 本文件适用于额定工作压力小于或者等于 2.5MPa、符合《特种设备目录》范围内要求的电加热蒸 汽锅炉、电加热热水锅炉和电加热有机热载体锅炉的定型产品能效测试、在用锅炉定期能效测试。 按压力容器设计制造的电加热蒸汽发生器的能效测试参照本文件执行。 2 规范性引用文件 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 文件。 GB/T 10180 工业锅炉热工性能试验规程 3 术语和定义 下列术语和定义适用于本文件。 3.1 电加热锅炉 electric heating boiler 以电能作为唯一加热源加热介质（水、有机热载体）以获得规定参数的蒸汽、热水或有机热载体的 锅炉。 [来源：NB/T 10936 —2022,3.1, 有修改] 3.2 耗电量 power consumption 电加热锅炉在运行过程中加热介质（水、有机热载体）所消耗的电能，也称输入热量。 3.3 锅炉出力 boiler steam rate 蒸汽锅炉的蒸发量、热水锅炉和有机热载体锅炉的热功率。 3.4 输出热量 heat output 通过蒸汽、水、有机热载体等介质由锅炉向外提供的热量与进入锅炉的水、有机热载体等介质带入 的热量之差。 [来源：GB/T 10180 —2017,3.5, 有修改] 3.5 锅炉热效率 boiler heat efficiency 单位时间内锅炉输出热量与输入热量的百分比。 DB43/T 3081 —2024 2 3.6 锅炉额定工况 boiler rated condition 锅炉在设计额定出力和参数下运行的工作状态。 3.7 锅炉实际运行工况 boiler operating conditions 锅炉满足用户实际热负荷需求运行的工作状态。 3.8 正平衡测量法 direct procedure 直接测量输入热量和输出热量来确定锅炉热效率的方法，也称直接测量法或输入输出法。 [来源：GB/T 10180 -2017,3.7] 4 符号和单位 符号和单位应符合表 1的要求。 表1 符号和单位 序号 符号 名称 单位 1 ccs 实测温度下锅炉进口有机热载体比热容 kJ/(kg•K) 2 cjs 实测温度下锅炉出口有机热载体比热容 kJ/(kg•K) 3 c0 0℃下有机热载体比热容 kJ/(kg•K) 4 D 额定蒸发量 kg/h 5 Dgs 给水流量 kg/h 6 DSC 输出蒸汽量（即锅炉实测蒸发量） kg/h 7 DZS 折算蒸发量 kg/h 8 F 锅炉散热表面积 m2 9 f 电源频率 HZ 10 G 热水（有机热载体）锅炉介质循环流量 kg/h 11 Gs 测定蒸汽湿度时的锅水取样量 kg/h 12 hbq 实测参数下饱和蒸汽焓 kJ/kg 13 h* bq 设计参数下饱和蒸汽焓 kJ/kg 14 hgs 实测参数下给水焓 kJ/kg 15 h* gs 设计参数下给水焓 kJ/kg 16 hcs 热水（有机热载体）锅炉出口介质焓 kJ/kg 17 hjs 热水（有机热载体）锅炉进口介质焓 kJ/kg 18 Ie 电源电流 A 19 N 每小时耗电量 kW•h 20 PE 电热元件功率 kW 21 ∑P E 总电功率 kW 22 P 额定蒸汽压力 MPa 23 Pgs 给水压力 MPa