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GB/T 28924-2023: Guides for calculating energy efficiency index for iron and steel enterprises
Status: Valid GB/T 28924: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 28924-2023 | English | 209 |
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Guides for calculating energy efficiency index for iron and steel enterprises
| Valid |
GB/T 28924-2023
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| GB/T 28924-2012 | English | 199 |
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Guides for calculating energy efficiency index of an iron and steel enterprise
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GB/T 28924-2012
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Basic data | Standard ID | GB/T 28924-2023 (GB/T28924-2023) | | Description (Translated English) | Guides for calculating energy efficiency index for iron and steel enterprises | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H04 | | Classification of International Standard | 77-010 | | Word Count Estimation | 10,137 | | Date of Issue | 2023-11-27 | | Date of Implementation | 2024-06-01 | | Older Standard (superseded by this standard) | GB/T 28924-2012 | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration | GB/T 28924-2023: Guides for calculating energy efficiency index for iron and steel enterprises---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 77-010
CCSH04
National Standards of People's Republic of China
Replace GB/T 28924-2012
Guidelines for Calculation of Energy Efficiency Index for Steel Enterprises
Published on 2023-11-27
2024-06-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Foreword
This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents"
Drafting:
This document replaces GB/T 28924-2012 "Guidelines for Calculation of Energy Efficiency Index of Steel Enterprises": Compared with GB/T 28924-2012, except for
In addition to structural adjustments and editorial changes, the main technical changes are as follows:
a) Changed the scope (see Chapter 1, Chapter 1 of the:2012 edition);
b) Added the energy efficiency index calculation method when the baseline energy consumption is negative (see Chapter 4);
c) Added the energy efficiency index calculation method when the energy consumption during the statistical reporting period and the baseline energy consumption are both negative (see Chapter 4);
d) Changed the determination of baseline energy consumption (see Chapter 6, Chapter 6 of the:2012 edition);
e) Added the use of energy efficiency index (see Chapter 7):
Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:
This document is proposed by the China Iron and Steel Industry Association:
This document is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183):
This document was drafted by: Rizhao Iron and Steel Holding Group Co:, Ltd:, Metallurgical Industry Information Standards Research Institute, Xinjiang Bayi Iron and Steel Co:, Ltd:
Company, Shandong Energy Saving Association, MCC Southern Engineering Technology Co:, Ltd:, Jiangsu Shagang Group Co:, Ltd:, Shandong Huimin Technology Development Co:, Ltd:
Division, Shiheng Special Steel Group Co:, Ltd:, Chengdu Advanced Metal Materials Industry Technology Research Institute Co:, Ltd:, Guangdong Songshan Vocational and Technical College,
Qingdao Kaineng Environmental Protection Technology Co:, Ltd:
The main drafters of this document: Wang Jiangwei, Liang Kaili, Chen Tong, Zhao Jingjing, Qiu Jinhui, Xu Hailun, Fang Jiurong, Mao Rui, Chen Jian, Tian Fengjun,
Zhang Ruopeng, Luo Guomin, Chen Ming, Zhang Honglai, Zhong Yong, Wang Gang, Zeng Sibao, Wang Dong, Pan Zhaobin, Zhang Shaoqiang, Wang Ye, Wang Bo, Feng Junkai, Fang Guodong:
This document was first published in:2012 and this is the first revision:
Guidelines for Calculation of Energy Efficiency Index for Steel Enterprises
1 Scope
This document describes the calculation method and evaluation method of the energy efficiency index of steel enterprises, and stipulates the determination of benchmark energy consumption, the purpose of the energy efficiency index, and the data
Value rounding and statistics:
This document is applicable to the calculation of energy efficiency index of steel enterprises:
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations
For documents, only the version corresponding to the date applies to this document; for undated referenced documents, the latest version (including all modification orders) applies
in this document:
GB/T 2589 General principles for comprehensive energy consumption calculation
GB/T 3101 General principles regarding quantities, units and symbols
GB/T 3484 General Principles of Enterprise Energy Balance
GB/T 8170 Numerical rounding rules and expression and determination of limit values
3 Terms and definitions
The terms and definitions defined in GB/T 2589, GB/T 3484 and the following apply to this document:
3:1
Statistically calculate the ratio between unit product energy consumption and baseline energy consumption during the reporting period:
3:2
unit unit
Production units, processes or facilities and equipment that can separately calculate energy consumption:
3:3
The baseline value of unit energy consumption or comprehensive energy consumption determined by the enterprise at a certain stage:
Note: Baseline energy consumption is expressed in unit product energy consumption:
4 Calculation methods
4:1 Unit energy efficiency index
The unit energy efficiency index is calculated according to formula (1):
Ix=
ex
e0
(1)
In the formula:
Ix---unit energy efficiency index;
......
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