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YS/T 1543-2022 (YST1543-2022)

YS/T 1543-2022_English: PDF (YST 1543-2022, YST1543-2022)
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BASIC DATA
Standard ID YS/T 1543-2022 (YS/T1543-2022)
Description (Translated English) (Lithium metal energy consumption limit per unit product)
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Word Count Estimation 11,144
Date of Issue 2022-09-30
Date of Implementation 2023-04-01
Summary This standard specifies the energy consumption quota requirements, statistical scope, calculation method, calculation scope and energy-saving management measures for lithium metal unit products of lithium smelting enterprises. This standard is applicable to the calculation and assessment of energy consumption of products in lithium smelting enterprises, as well as the energy consumption control of new projects, and also applies to the assessment of energy consumption of enterprises upgrading product processes.

Standards related to: YS/T 1543-2022

YS/T 1543-2022
YS
NONFERROUS INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 77.150.99
CCS H 01
The Norm of Energy Consumption per Unit Production of
Lithium
ISSUED ON: SEPTEMBER 30, 2022
IMPLEMENTED ON: APRIL 1, 2023
Issued by: Ministry of Industry and Information Technology of the People’s
Republic of China
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 4
4 Requirements ... 5
5 Statistical Range, Calculation Method and Calculation Range ... 6
6 Energy Saving Management and Measures ... 13
Appendix A (Informative) Current Reference Standard Coal Conversion Coefficients
for Commonly Used Energy Types ... 14
Appendix B (Informative) Energy Equivalent Reference Values of Commonly Used
Energy-Consuming Medium ... 15
The Norm of Energy Consumption per Unit Production of
Lithium
1 Scope
This Document stipulates the requirements, statistical range, calculation range, calculation
method, and energy-saving management and measures for the norm of energy consumption per
unit production of lithium in lithium smelting enterprises.
This Document is applicable to the calculation and assessment of energy consumption of
products of lithium smelting enterprises, as well as the energy consumption control of new
projects; and is also applicable to the assessment of energy consumption of enterprise upgraded
product processes.
2 Normative References
The provisions in following documents become the essential provisions of this Document
through reference in 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) is applicable to this Document.
GB/T 2589 General principles for calculation of total production energy consumption
GB/T 4369 Lithium
GB/T 12723 General principles for establishing allowance of energy consumption per unit
throughput
GB 17167 General principle for equipping and managing of the measuring instrument of
energy in organization of energy using
3 Terms and Definitions
For the purposes of this Document, the terms and definitions given in GB/T 2589 and GB/T
12732 and the following apply.
3.1 Unit energy consumption in working procedure
All types of energy consumed shall not be recalculated or omitted. When there is a supply and
demand relationship, the input and output sides shall be consistent in the calculated values. The
energy consumption when the equipment is shut down for maintenance shall also be included
in the calculation, and be evenly allocated every month according to the operation cycle after
the maintenance.
The waste heat recovered by the enterprise does not belong to purchased energy. When
calculating product working procedure and technology energy consumption, recalculation with
purchased energy shall be avoided from the purchased energy. The energy used by the waste
heat utilization device is included in the product working procedure and technology energy
consumption. The portion of recovered energy for self-use shall be included in the object
consumption of the self-use working procedure. When it is transferred to other working
procedure, it shall be included in the normal consumption in the used working procedure. The
recovered energy after being converted into standard coal shall be deducted from the waste heat
recovery working procedure and technology energy consumption. If it contains energy
consumption indicators for recovering waste heat, it shall be marked with "including waste heat
power generation" or similar words.
5.1.3 Measurement of object energy amounts
The measurement of object energy amounts shall comply with the provisions of the Law on
Metrology of the People's Republic of China and GB 17167.
5.1.4 Measurement units of various energies
The measurement units of various energies are as follows:
a) The units of enterprise production energy consumption, product technology energy
consumption, and product integrate energy consumption: kgce, tce (kilograms of
standard coal, tons of standard coal);
b) Units of coal, coke, and heavy oil: kg, t, 104 t (kg, ton, 10,000 tons);
c) Unit of electricity: kW•h, 104 kW•h (kilowatt hour, ten thousand kilowatt hours);
d) Units of gas, compressed air, and oxygen: m3, 104 m3 (cubic meters, 10,000 cubic meters);
e) Units of water: t, 104 t (tons, 10,000 tons).
5.1.5 Methods of various energy conversion to standard coal
The energy with a low (bit) calorific value equal to 29.3076 MJ (megajoule) is called 1 kg of
standard coal.
For externally purchased fuel energy, the actual measured low calorific value or the actual
measured value provided by the supplier can be used as the basis for calculation; or it can be
converted by the conversion coefficient of the national statistics department, see Appendix A.
Secondary energy and energy-consuming medium are converted according to the
corresponding energy equivalent value. When an enterprise converts energy to self-production,
the amount of standard coal shall be converted according to the actual object amount of energy
input. When it is exported and supplied by a centralized production organization, its energy
equivalent values shall be stipulated by the competent department. When it is purchased and
exported, its energy equivalent values shall be the same. When energy equivalent values are not
provided, it can be converted according to the conversion coefficient of the national statistics
department, see Appendix B.
5.1.6 Determination of product output per unit product energy consumption
5.1.6.1 The annual data of energy consumption per unit product of lithium smelting enterprises
is calculated by dividing the sum of energy consumption in each month by the weighted average
of the output in each month. Products are divided into crude metallic lithium, industrial-level
metallic lithium, and battery-level metallic lithium. Crude metallic lithium refers to metallic
lithium directly produced by electrolysis of lithium chloride. Among the designations specified
in GB/T 4369, Li-4, Li-5, and Li-6 are industrial-level metallic lithium. Li-1, Li-2, and Li-3 are
battery-level metallic lithium.
5.1.6.2 To calculate the output of qualified crude metallic lithium products, the output of
qualified crude metallic lithium within the statistical period of the unified plan shall be used.
5.1.6.3 To calculate the output of qualified industrial-level metallic lithium products, the output
of qualified industrial-level metallic lithium products within the statistical period of the unified
plan shall be used.
5.1.6.4 To calculate the output of qualified battery-level metallic lithium products, the output
of qualified battery-level metallic lithium products within the statistical period of the unified
plan shall be used.
5.1.7 Others
The energy consumption of indirect auxiliary and ancillary production systems and the loss of
energy and energy-consuming medium in the enterprise's internal storage, conversion,
distribution, supply and export, that is, indirect integrate energy consumption, shall be allocated
to each product according to the percentage of energy consumption of each product technology
in the energy consumption of enterprise's production technology.
The energy consumption of the annual equipment overhaul shall be included in the product
technology energy consumption, and evenly distributed to each maintenance energy-consuming
working procedure on a monthly basis according to the operation cycle of the equipment after
maintenance.
5.1.8 Calculation principles of waste heat utilization energy consumption
The waste heat recovered by the enterprise belongs to energy saving and recycling and does not
5.3.1 Calculation range of product energy consumption of crude metallic lithium
enterprises
The calculation range of energy consumption for the production of crude metallic lithium
products includes the various energy consumed in the entire production process starting from
material transportation, through DC electrolysis to tail gas treatment, and the allocation of direct
assistant energy consumption in the workshops and factories.
The unit object consumption in each working procedure of the crude metallic lithium
production technology is calculated according to Formula (3); the unit energy consumption in
each working procedure of the electrolysis production technology is calculated according to
Formula (4); and unit consumption of integrate energy of the crude metallic lithium production
technology is calculated according to Formula (6).
5.3.2 Calculation range of energy consumption of products of industrial-level metallic
lithium enterprises
The product energy consumption calculation of industrial-level metallic lithium production
technology includes the energy consumption of crude metallic lithium products and the energy
consumption of industrial-level metallic lithium purification; all kinds of energy consumed
during the energy consumption of industrial-level metallic lithium purification starting from
melting and casting, to extrusion, shearing and packaging in the drying room to complete the
entire process; as well as the allocation of direct assistant energy consumption within
workshops and factories.
The unit object consumption in each working procedure of the industrial-level metallic lithium
production technology is calculated according to Formula (3); the unit energy consumption in
each working procedure of the industrial-level metallic lithium production technology is
calculated according to Formula (4); and the unit consumption of integrate energy of the
industrial-level metallic lithium production technology is calculated according to Formula (6).
5.3.3 Calculation range of the product energy consumption of battery-level metallic
lithium enterprise
The product energy consumption of battery-level metallic lithium production technology
includes the energy consumption of crude lithium products and the energy consumption of
battery-level metallic lithium purification. The energy consumption of battery-level metallic
lithium purification includes all kinds of energies consumed in melting, steaming, ingot casting,
shearing and packaging to complete the entire production process, and the direct assistant
energy loss allocation in the workshops and factories.
The unit object consumption in each working procedure of the battery-level metallic lithium
production technology is calculated according to Formula (3); the unit energy consumption in
each working procedure of the battery-level metallic lithium production technology is
calculated according to Formula (4); and the unit consumption of integrate energy of the
battery-level metallic lithium production technology is calculated according to Formula (6).
6 Energy Saving Management and Measures
6.1 Basic energy-saving management
6.1.1 Enterprises shall establish an energy-saving assessment system, regularly assess the
energy consumption in each working procedure of lithium smelting enterprises, and break down
the assessment indicators to each grassroots unit.
6.1.2 Enterprises shall establish an energy consumption statistics system in accordance with
regulations; establish documents and files of energy consumption calculations and statistical
results; and conduct controlled management of documents.
6.1.3 Enterprises shall be equipped with corresponding energy measurement instruments and
establish an energy measurement management system in accordance with the provisions of GB
17167.
6.2 Energy-saving technology management
6.2.1 Lithium smelting and production enterprises shall rely on scientific and technological
progress; select advanced production technology and carry out technological transformation;
strengthen internal management of the enterprise; improve production efficiency and energy
utilization; and save energy to the maximum extent.
6.2.2 Lithium smelting and production enterprises shall organize production reasonably; reduce
intermediate links; improve production capacity; and extend the life cycle.
6.2.3 Lithium smelting and production enterprises shall vigorously develop circular economy
and improve the level of comprehensive utilization of resources.
...