GB/T 26925-2025Water saving enterprises — Fossil fired plant (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

This document replaces GB/T 26925-2011 "Water-saving Enterprise Thermal Power Generation Industry". Compared with GB/T 26925-2011, In addition to structural adjustments and editorial changes, the main technical changes are as follows.

a) The terms and definitions have been changed (see Chapter 3, Chapter 3 of the 2011 edition);

b) Modified some basic requirements for water-saving enterprises (see 4.2, 4.2 of the 2011 edition);

c) Modified some water-saving enterprise management indicators and requirements (see 4.3, 4.3 of the 2011 edition);

d) Modified some technical indicators and requirements for water-saving enterprises (see 4.4, 4.4 of the 2011 edition);

e) The scoring method of Appendix A has been changed (see Appendix A, Appendix A of the 2011 edition).

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed by the Ministry of Industry and Information Technology of the People's Republic of China.

This document is under the jurisdiction of the National Technical Committee on Water Conservation Standardization (SAC/TC442).

This document was drafted by: China Electricity Council, Guoneng Longyuan Environmental Protection Co., Ltd., Huadian Electric Power Research Institute Co., Ltd., China National Institute of Standardization, Xi'an Xire Water Service and Environmental Protection Co., Ltd., Huadian Zhengzhou Mechanical Design and Research Institute Co., Ltd., China Datang Group Science and Technology China Electric Power Research Institute Co., Ltd., East China Electric Power Testing Institute, China Huaneng Group Co., Ltd., China Electricity Council Power Construction Technical and Economic Consulting Center, China Datang Corporation Limited Inner Mongolia Branch, Ministry of Water Resources, Ministry of Transport, National Energy Administration, Nanjing Water Resources Science and Technology Research Institute, Rundian Energy Science and Technology Co., Ltd., China Power Construction New Energy Group Co., Ltd., North China Electric Power Research Institute Co., Ltd.

Company, State Grid Heilongjiang Electric Power Co., Ltd. Economic and Technological Research Institute, Jiangsu Huamei Thermal Power Co., Ltd., Inner Mongolia Agricultural University, Zhejiang Zhejiang Energy Power Co., Ltd., Guoneng Zhejiang Ninghai Power Generation Co., Ltd., Huaneng Qinbei Power Generation Co., Ltd., Shandong Haihua Group Co., Ltd., Pinghu Water Conservancy Engineering Co., Ltd. and China Power Engineering Group Guizhou Electric Power Design Institute Co., Ltd.

The main drafters of this document are: Liu Zhiqiang, Tang Guorui, Lao Jun, Zhang Lin, Cai Rong, Wang Jing, Wang Huixian, Zhao Baohua, Bai Yan, Gao Changzheng, Mu Xiaowei, Wang Ye, Han Chao, Li Dongwei, Chen Jian, Xu Chun, Wang Yanzhao, Liu Jun, Zhao Mingrui, He Qian, Zhao Zhenning, Pan Wei, Wang Xiaojun, Xue Changgang, Gao Yajing, You Liangzhou, Feng Liguo, Zhao Yiping, Wang Ying, Zhao Lin, Lu Guanfa, Liu Xiaomin, Yang Yaotian, Liu Hongfang, Yue Maowen, Sun Zhenlei, Wu Dongliang, Wen Donghong, Leng Panpan, Yang Zhaoling.

This document was first published in 2011 and this is the first revision.

1 Scope

This document specifies the index system and requirements for evaluating water-saving enterprises in the thermal power generation industry.

This document is applicable to the evaluation of water-saving enterprises in the thermal power generation industry.

2 Normative references

GB/T 7119

GB/T 12452

GB/T 18820

GB/T 18916.1

GB/T 21534

GB/T 24789

3 Terms and definitions

The terms and definitions defined in GB/T 7119, GB/T 18820, GB/T 18916.1 and GB/T 21534 apply to this document.

4 Evaluation index system and requirements

4.1 The water-saving enterprise evaluation index system includes basic requirements, management indicators and technical indicators.

4.2 Water-saving enterprises should meet all basic requirements as shown in Table 1.

4.3 The management indicators and requirements for water-saving enterprises are shown in Table 2.The management indicators are calculated according to the method given in Appendix A.

4.4 Water-saving enterprises should meet all technical indicators and requirements shown in Table 3.Technical indicators are calculated in accordance with DL/T 606.5 and DL/T 2507.

Table 1 Basic requirements for water-saving enterprises Serial number requirements

1 Domestic water and production water are metered and paid separately

Self-made steam units should recycle the steam condensate from the steam supply boiler to the boiler feed water or process water; outsourced steam units should make full use of the steam condensate to Condensate, not discharged directly