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GB/T 39186-2020: Calculation methods of water saved by projects for iron and steel industry
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GB/T 39186-2020: Calculation methods of water saved by projects for iron and steel industry

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Calculation methods of water saved by projects for iron and steel industry ICS 13.020.20 Z04 National Standards of People's Republic of China Calculation method of project water saving in steel industry 2020-10-11 released 2021-05-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed and managed by the National Water Conservation Standardization Technical Committee (SAC/TC442). Drafting organizations of this standard. Metallurgical Industry Planning and Research Institute, Water Resources Management Center of Ministry of Water Resources, China National Institute of Standardization, Baosteel Engineering Technology Group Co., Ltd., Changshu Longteng Special Steel Co., Ltd., Anhui Xinchuang Energy-saving and Environmental Protection Technology Co., Ltd., Jiangsu Shenyuan Group Co., Ltd. The company, the Ministry of Water Resources, the Ministry of Transport, the National Energy Administration, and the Nanjing Institute of Hydraulic Research. The main drafters of this standard. Li Xinchuang, Cheng Jijun, Sun Shuyun, Zhu Chunyan, Chen Qi, Xu Sheng, Fang Hui, Zhang Guofu, Wang Xiaojun, Wu Jianguo, Dong Sifang, Liu Jing, Bai Xue, Shen Yuanwei, Wang Changhua. Calculation method of project water saving in steel industry

1 Scope

This standard specifies the terms and definitions, calculation methods, and calculation method descriptions for the calculation of water savings for projects in the steel industry. This standard is applicable to the calculation of water saving amount of water saving projects in the steel industry. Refer to the calculation of water saving for new projects and management projects use.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 7119 Evaluation Guidelines for Water-saving Enterprises GB/T 12452 General Rules of Water Balance Test for Enterprises GB/T 18916.2 Water withdrawal quota Part 2.Iron and steel complex GB/T 21534 Industrial water saving terms GB/T 26719 General Rules for Enterprise Water Use Statistics GB/T 34148 Project water saving calculation guide CJJ92 Leakage control and assessment standard of urban water supply pipe network

3 Terms and definitions

Defined by GB/T 7119, GB/T 12452, GB/T 18916.2, GB/T 21534, GB/T 26719, GB/T 34148 and CJJ92 And the following terms and definitions apply to this document. 3.1 Projectboundary The scope and geographic boundaries of water-using units, equipment, and systems involved in the implementation of water-saving renovation projects by iron and steel enterprises. 3.2 Project water saving Under the conditions of meeting the same needs or achieving the same purpose, through the implementation of the project, the water intake of the water use unit is reduced compared with the reduction of the unimplemented project A small amount. 3.3 Base period A certain period of time before the implementation of water-saving measures used to compare and determine the amount of water-saving. 3.4 Statistical reporting period A certain period of time after the implementation of water-saving measures used to compare and determine the amount of water-saving. 3.5 Calibration water withdrawal Utilize the amount of water taken by the water use unit (enterprise), system, and equipment within the project boundary before the implementation of the project, after calibration according to the conditions of the statistical reporting period ...