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GB 21341-2017

Chinese Standard: 'GB 21341-2017'
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Detail Information of GB 21341-2017; GB21341-2017
Description (Translated English): The norm of energy consumption per unit product of ferroalloy
Sector / Industry: National Standard
Classification of Chinese Standard: F01
Classification of International Standard: 27.010
Word Count Estimation: 8,867
Date of Issue: 2017-11-01
Date of Implementation: 2018-11-01
Older Standard (superseded by this standard): GB 21341-2008
Drafting Organization: China Ferroalloy Industry Association, Iron and Steel Research Institute
Administrative Organization: China National Standardization Administration
Regulation (derived from): National Standard Announcement 2017 No. 29
Proposing organization: National Development and Reform Commission Resource Conservation and Environmental Protection Division, Ministry of Industry and Information Technology Department of Energy Saving and Comprehensive Utilization
Issuing agency(ies): People's Republic of China General Administration of Quality Supervision, Inspection and Quarantine, China National Standardization Administration

GB 21341-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.010
F 01
Replacing GB 21341-2008
The Norm of Energy Consumption
per Unit Product of Ferroalloy
铁合金单位产品能源消耗限额
ISSUED ON. NOVEMBER 01, 2017
IMPLEMENTED ON. NOVEMBER 01, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword . 3
1 Scope .. 5
2 Normative References . 5
3 Terms and Definitions .. 5
4 Energy Consumption Limit Level .. 6
5 Technical Requirements .. 7
6 Statistical Range and Calculation Method .. 7
Appendix A (Informative) Reference Coefficient for Each Energy Source
Converted into Standard Coal . 11
Appendix B (Normative) Ferroalloy Product Standard Composition List .. 12
Foreword
This Standard was drafted as per the rules specified in GB/T 1.1-2009.
This Standard replaced GB 21341-2008 The Norm of Energy Consumption per Unit
Product of Ferroalloy. Compared with GB 21341-2008, this Standard has the major
technical changes as follows besides the editorial modifications.
--- Add the energy consumption limit level;
--- Delete the advanced value of energy consumption and energy conservation
management and measures;
--- Retain the energy consumption limit index of power equivalent value under the
conversion factor, which is revised; cancel the energy consumption limit index of
power equal value under conversion factor;
--- Supplement and improve the “electro-furnace ferromanganese” by “electro-
furnace high-carbon ferromanganese”; define it as the smelting process of flux-
free method (or less flux method);
--- Supplement and improve the definitions of “comprehensive energy consumption
per unit product of ferroalloy” and “smelting electricity consumption per unit
product of ferroalloy”;
--- Add the definition, statistical range and calculation formula of “coke consumption
per unit product of ferroalloy”;
--- Modify the calculation formula of “smelting electricity consumption per unit
product of ferroalloy”;
--- Modify the capacity requirements for the newly-reconstructed ferroalloy ore
furnace, and the terms of refining furnace;
--- Supplement and improve the “statistical range”;
--- Propose the value-taking principle for the energy conversion coefficient and
modify the corresponding recommended value.
This Standard was proposed by Resource Conservation and Environment Protection
Department of National Development and Reform Commission, and MIIT’s
Department of Energy Conservation and Comprehensive Utilization.
This Standard shall be under the jurisdiction of Standardization Administration of the
People’s Republic of China.
The Norm of Energy Consumption
per Unit Product of Ferroalloy
1 Scope
This Standard specifies the terms and definitions, technical requirements, statistical
range and calculation method of the norm of energy consumption per unit product of
ferroalloy (hereinafter referred to as energy consumption).
This Standard is applicable to the calculation and audit of per unit energy consumption
for the following 5 kinds of products such as ferrosilicon produced in the ferroalloy ore
furnace, high-carbon ferromanganese in electro-furnace (only limited to the high-
carbon ferromanganese adopting the smelting process of flux-free method or less flux
method), manganese-silicon alloy, high-carbon ferrochrome and ferromanganese in
the blast furnace produced by ferroalloy blast furnace, as well as the energy
consumption control for the newly-built or re-built projects.
2 Normative References
The following documents are essential to the application of this document. For the
dated documents, only the versions with the dates indicated are applicable to this
document; for the undated documents, only the latest version (including all the
amendments) are applicable to this document.
GB/T 12723 General Principles of Stipulation of Energy Consumption Norm for
Unit Product
3 Terms and Definitions
The following terms and definitions and those ones stipulated in GB/T 12723 are
applicable to this document.
3.1 Comprehensive energy consumption per unit product of ferroalloy
During the reporting period, various energies that are consumed by the ferroalloy
enterprises to produce 1 standard ton (convert as per the standard composition of the
major elements) of qualified ferroalloy products.
6.1.1 Statistical range
6.1.1.1 Statistical range for comprehensive energy consumption per unit
product of ferroalloy
The comprehensive energy consumption for enterprise of ferroalloy produced in ore
heat furnace shall include smelting electricity consumption for heating the furnace
materials to maintain the normal furnace conditions (including smelting electricity,
furnace-baking electricity, furnace-washing electricity); power energy consumption
during the producing and machining processes (including raw material preparation,
transportation, smelting, alloy casting, finishing, transportation of material and alloy,
power electricity and illumination electricity for auxiliary facilities, etc.); the
consumption of carbonaceous reducing agent (small grained metallurgical coke or
small grained blue coal) required for the reduction of ore; the amount of secondary
energy (such as recycled coal gas, waste heat, etc.) for recycling and external supply
that shall be deducted.
6.1.1.2 Statistical range for smelting electricity consumption per unit product
of ferroalloy
The smelting electricity consumption of ferroalloy product shall include smelting
electricity and furnace washing electricity consumption during the smelting process;
however, it excludes the furnace-baking electricity, power electricity, illumination
electricity, etc. during the producing process; it shall be subjected to the measuring
value of the electricity meter on the high-voltage side of the transformer in the ore heat
furnace.
6.1.1.3 Statistical range for coke consumption per unit product of ferroalloy
The coke consumption of ferroalloy product shall include coke consumption during the
product smelting process; it excludes the coke consumption in the......
Related standard:   GB 21343-2015  GB 21344-2015
   
 
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