ICS 27.100 CCS F 10 备案号： 53939-2016 准 T/CEC 687—2022 火力发电厂供热经济性评价指标计算方法 Calculating method of economical evaluation index of heat supply in thermal power plant 2022-10-26 发布 2023-02-01 实施 中国电力企业联合会 发 布 《电子编加稿件》 XM95166 责 编 ：宋红梅 成品： 210*297 责校：马宁 版心： 166*238 字数： 45字*43行 天35 地 24 订 24 切 20 描图： 6张 全国团体标准信息平台 中国电力企业联合会标准 火力发电厂供热经济性评价指标计算方法 T/CEC 687—2022 * 中国电力出版社出版、印刷、发行 （北京市东城区北京站西街 19号 100005 http://www.cepp.sgcc.com.cn ） * 2023年4月第一版 2023年4月北京第一次印刷 880毫米× 1230毫米 16开本 0.75印张 26千字 * 统一书号 155198·4577 定价20.00元 版 权 专 有 侵 权 必 究 本书如有印装质量问题，我社营销中心负责退换 T/CEC 687—2022 全国团体标准信息平台 T/CEC 687—2022 I 目 次 前言 ······························································································································· ···································· II 1 范 围 ······························································································································· ······························· 1 2 规范性引用文件 ······························································································································· ··········· 1 3 术语和定义 ······························································································································· ··················· 1 4 总体要求 ······························································································································· ······················· 2 5 供热经济性评价指标 ······························································································································· ··· 2 6 指标计算 ······························································································································· ······················· 2 附录 A（资料性） 参比工况法计算等品位供热煤耗案例 ············································································ 7 附录 B（资料性） 等品位供热电耗计算案例 ································································································ 9 全国团体标准信息平台 T/CEC 687—2022 II 前 言 本标准按照 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。 本标准由中国电力企业联合会提出。 本标准由电力行业电站汽轮机标准化技术委员会（ DL/TC 07 ）归口。 本标准起草单位：西安热工研究院有限公司、中国华能集团有限公司、西安交通大学。 本标准主要起草人：马汀山、王洋、吕凯、王洋、刘明、石慧、王妍、王野、杨寿敏、吴卓铮、 田忠玉、俞骏、刘学亮、邹洋、林琳、薛朝囡、邓佳、陈胜利、万超、杨利、李扬、屈杰、余小兵。 本标准为首次发布。 本标准在执行过程中的意见或建议反馈至中国电力企业联合会标准化管理中心（北京市白广路二 条一号， 100761）。 全国团体标准信息平台 T/CEC 687—2022 1 火力发电厂供热经济性评价指标计算方法 1 范 围 本文件规定了火力发电厂供热经济性评价指标、基本要求和计算方法。 本文件适用于火力发电厂单机容量 125 MW 及以上的汽轮发电机组，不适用于背压供热机组。 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。 DL/T 606.3 火力发电厂能量平衡导则 第 3部分：热平衡 DL/T 904 火力发电厂技术经济指标计算方法 GB/T 8117.4 汽轮机热力性能验收试验规程 第 4部分：方法 D 汽轮机及其热力循环简化性能试验 GB/T 10184 电站锅炉性能试验规程 3 术语和定义 下列术语和定义适用于本文件。 3.1 参比工况 comparative operating condition 与供热工况下发电负荷、环境参数、冷端系统运行方式一致的纯凝运行工况。 3.2 等品位供热煤耗 coal consumption rate fo r constant grade heat 与参比工况相比，供热机组单位供热量耗用的标准煤量。 3.3 供热耗煤比 coal consumption ratio of heat to total 统计期内汽轮发电机组向外供热耗用的标准煤量与汽轮发电机组标准煤消耗总量的百分比。 3.4 等品位供热电耗 power consumption rate for constant grade heat 统计期内供热机组单位供热量耗用的生产厂用电量。 3.5 采暖用热网循环水单耗 circulating water consumption of heat 统计期内单位供热量的热网循环水消耗量。 3.6 等品位供热除盐水单耗 desalting water consumption for constant grade heat 统计期内单位供热量的除盐水消耗量。 3.7 吨水供热量 heat supply per ton circulating water 每吨热网循环水供出的热量。 全国团体标准信息平台