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GB 21251-2014: The norm of energy consumption per unit product of nickel metallurgical enterprise
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Basic data | Standard ID | GB 21251-2014 (GB21251-2014) | | Description (Translated English) | The norm of energy consumption per unit product of nickel metallurgical enterprise | | Sector / Industry | National Standard | | Classification of Chinese Standard | F01 | | Classification of International Standard | 27.010 | | Word Count Estimation | 12,136 | | Date of Issue | 4/28/2014 | | Date of Implementation | 1/1/2015 | | Older Standard (superseded by this standard) | GB 21251-2007 | | Quoted Standard | GB/T 2589; GB/T 12723; GB 17167 | | Regulation (derived from) | National Standards Bulletin No. 8, 2014 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies the nickel smelting enterprise product energy consumption (hereinafter referred to as energy) technical requirements limit, scope and statistical calculation method, and the scope and energy management measures. This Standard appli | GB 21251-2014: The norm of energy consumption per unit product of nickel metallurgical enterprise
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The norm of energy consumption per unit product of nickel metallurgical enterprise
ICS 27.010
F01
National Standards of People's Republic of China
Replacing GB 21251-2007
Nickel smelting enterprises of energy consumption per unit product
Issued on. 2014-04-28
2015-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
4.1 and 4.2 of this standard are mandatory, the rest are recommended.
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB 21251-2007 "nickel-smelting enterprise energy consumption per unit of product." Compared with GB 21251-2007, present
Standard main changes are as follows.
--- Updated the reference standard;
--- Supplementary explanation of the term nickel-smelting comprehensive energy consumption;
--- Tightened the comprehensive energy consumption limit of nickel smelting enterprises, value and access requirements of advanced value;
--- Clear statistical method, the content of the original standard 5.1.1 has been supplemented;
--- The original Standard Appendix A and Appendix B of the new breed of energy, and made additional explanation.
This standard by the National Development and Reform Commission Resource Conservation and Environmental Protection, the Ministry of Industry and Information Technology and the Energy Saving and Comprehensive Utilization Department
State Nonferrous Metals Industry Association presented.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard is drafted by. Jinchuan Group Co., Ltd., China Nonferrous Metals Industry Standards and Metrology Institute for Quality.
Participated in the drafting of this standard. Xinjiang Nonferrous Metals Industry (Group) Co., Ltd., Jilin Jien Nickel Industry Co., Ltd.
The main drafters of this standard. Bao Zhu, Zhao, Wei Wenbin, Yao Hui, Zhaoyong Shan, Wu Yahui, Ji Ling, Yao Guangrong.
This standard replaces the standards previously issued as follows.
--- GB 21251-2007.
Nickel smelting enterprises of energy consumption per unit product
1 Scope
This standard specifies the energy consumption of nickel smelting enterprise products (hereinafter referred to as energy) technical requirements limit, the scope of statistics and calculation methods, namely,
Scope and energy management measures and Operators.
This standard applies to the processing of nickel sulfide concentrate smelting of nickel, nickel refinery enterprise computing product energy consumption, assessment, as well as new projects
Energy control.
This standard does not apply to nickel oxide ore as a raw material nickel smelting enterprises.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 2589 General Principles of comprehensive energy consumption calculation
GB/T 12723 energy consumption per unit of product preparation General
GB 17167 energy use per unit of energy measuring instruments and General Manager
3 Terms and Definitions
GB/T 2589 and GB/T 12723 and defined by the following terms and definitions apply to this document.
3.1
Nickel smelting comprehensive energy consumption consumptionenergyconsumptionofnickelsmelting
Statistical reporting period, the overall energy consumption of nickel smelting enterprises from the same period in the processing of nickel concentrate to the nickel cathode output of qualified production process of the qualified
The ratio of product yield.
4 Requirements
4.1 existing nickel-smelting business unit product energy consumption limits
Existing nickel-smelting business unit product energy consumption limits shall conform to the requirements of Table 1.
Table 1 existing nickel-smelting business unit product energy consumption limits
Step process
Energy limit/(kgce/t) ≤
Integrated process energy consumption
High nickel matte process (nickel concentrates - high nickel matte) 920 980
Electrolysis process (anode Nickel - electrolytic nickel) 1250--
Nickel refining process (high nickel matte - electrolytic nickel) 19,002,000
Nickel Smelting Process (nickel concentrates - electrolytic nickel) 49,005,200
4.2 New nickel-smelting enterprise value per unit product energy consumption limits access
New nickel-smelting business unit product energy consumption limits access for value should meet the requirements of Table 2.
Table 2 New Nickel smelting business unit product energy access value
Step process
Energy consumption limits access value/(kgce/t) ≤
Integrated process energy consumption
High nickel matte process (nickel concentrates - high nickel matte) 650 680
Electrolysis process (anode Nickel - electrolytic nickel) 1100--
Nickel refining process (high nickel matte - electrolytic nickel) 14,801,550
Nickel Smelting Process (nickel concentrates - electrolytic nickel) 37,003,920
4.3 Nickel smelting business unit product energy consumption limits for advanced value
Nickel smelting business unit product energy consumption limits in Table 3 advanced value should meet the requirements.
Table 3 Nickel advanced metallurgical enterprise unit product energy consumption value
Step process
Advanced energy limit value/(kgce/t) ≤
Integrated process energy consumption
High nickel matte process (nickel concentrates - high nickel matte) 500 550
Electrolysis process (anode Nickel - electrolytic nickel) 1050--
Nickel refining process (high nickel matte - electrolytic nickel) 13,501,450
Nickel Smelting Process (nickel concentrates - electrolytic nickel) 34,903,580
5 statistical range, calculation methods and scope
5.1 statistical range
5.1.1 Actual various energy companies (production) consumption
A variety of energy actually consumed various energy companies, means for production activities, which include. primary energy (coal, crude oil, natural gas
Etc.), secondary energy (electricity, heat, petroleum products, coke, gas, etc.) and energy used in the production of the working fluid (water, oxygen, compressed air, etc.) Consumers
Energy consumption. Mainly used in the production system, auxiliary production system and ancillary production system does not include life energy and infrastructure projects approved by
can. In the energy companies actually consumed and used as a raw material of energy should also be included.
A variety of energy and other energy sources should be worth a secondary working fluid energy or energy conversion process consumes energy are translated into primary energy.
Life energy means dormitories, schools, culture and entertainment, healthcare, business services and preschool child care and other aspects of enterprise systems within the energy.
Energy consumption statistics 5.1.2 Corporate Plan period
Energy consumption statistics Corporate Plan period, shall conform to the formula (1).
E = E1 E2-E3-E4-E5 (1)
Where.
E --- Corporate Plan period, energy consumption statistics;
E1 --- the amount of energy purchased;
E2 --- inventory increase or decrease the amount of energy;
E3 --- export amount of energy;
E4 --- Living with the amount of energy;
E5 --- Enterprise Project with the amount of energy.
The relationship between energy consumption statistics during the business plan and various product energy consumption, should be consistent with the formula (2).
E = EZG EZF = EZZ (2)
E --- Corporate Plan period, energy consumption statistics;
EZG --- all technology products of total energy consumption;
EZF --- indirect supporting productive sectors and with the amount of energy consumption;
EZZ --- all products integrated total energy consumption.
Various energy consumption must not leak or weight meter. The presence of supply and demand, energy input and output sides when calculating the value should be kept on
Consistent. Equipment overhaul annual energy consumption, energy consumption should be included in the product process, press the maintenance operation cycle of the equipment assessed monthly average. Enterprises
Computing industry overall energy consumption in accordance with the provisions of GB/T 2589 will be.
5.1.3 Measurement of the amount of physical energy
Measurement of the amount of physical energy should comply with "People's Republic of China Measurement Law" and the GB 17167.
5.1.4 various units of measurement of energy
Unit of measurement of various energy sources as follows.
--- Production and energy consumption, process energy consumption products, products of energy consumption (or direct product of comprehensive energy consumption) as well as comprehensive energy products
Consumption units. kgce (kilograms of standard coal), tce (tons of standard coal);
--- Coal, coke, heavy oil unit. kg (kilograms), t (t), 104t (tonnes);
--- Electrical unit. kW · h (kWh), 104kW · h (ten thousand kwh);
--- Steam unit. kg (kilograms), t (t) or kJ (kilojoules), GJ (GJ);
--- Gas, compressed air, oxygen units. m3 (cubic meters), 104m3 (ten thousand cubic meters);
--- Water Unit. t (t), 104t (tons).
5.1.5 various energy (including energy production and energy consumption of the working fluid) the amount of coal conversion method
Applications based low (bits) equal to the amount of heat 29.3076MJ (MJ) fuel referred to 1kg (kg) of standard coal.
Found desirable purchased fuel energy is low (bits) Found heat or supply unit provided by national statistical offices or conversion provisions
Conversion coefficient, see Appendix A. Secondary energy and energy working fluid according to the corresponding value of energy conversion; enterprise production for energy conversion, press real
The physical volume of international energy converted into the amount of coal; by the time of export supply centralized production unit, its energy value shall be prescribed by the competent authority; outsourcing
When exported, the energy value should be the same; when the energy value is not provided, according to the national statistical offices conversion coefficient of conversion, see Appendix
Record B.
5.1.6 provision unit energy consumption of the product yield
Calculate the energy consumption per unit of product preparation processes, planning and statistics should be used to output the same period of eligibility calcine (dry concentrate) production.
Calculation of melting, blowing process unit product energy consumption, should be qualified high nickel matte production planning and statistical outputs the same period.
Calculation high nickel matte grinding float process unit product energy consumption, should be qualified nickel concentrate production output in the same period of the statistical program.
Calculation casting process unit product energy consumption should be used in high-qualified matte anode plate production output in the same period of the statistical program.
Calculate the electrolytic refining process unit product energy consumption, should output the same period of the statistical program qualified electrolytic nickel production.
Eligible product yield referring to the same period of planning and statistics, the output of this step yield of qualified products, intermediate products or materials production capacity, such as.
Calcine, high nickel matte, electrolytic nickel. All products output, according to corporate planning departments reported data.
5.1.7 waste heat recovery business, not a purchased energy, a step in the calculation of the product, process energy consumption, to avoid double counting and purchased energy.
Waste heat utilization device can be included in the product process, process energy consumption. Energy recovery occupied part of the process included personal use of physical consumption; go for other
When the step by step in the normal consumption included; standard coal energy recovered is deducted in the process, the process of energy recovery of waste heat. Such as
Before deducting the recovery of waste heat energy consumption indicators, should be marked "not deduct cogeneration" (or "including cogeneration"), "not buckle waste heat recovery" and so on.
Energy consumption and energy consumption and energy working fluid 5.1.8 auxiliary sub production systems within the enterprise storage, conversion and distribution supply (including external
Pin) losses in that indirect overall energy consumption, energy production processes should be accounted for according to the amount of energy consumption for each product technology proportion apportioned to each
product.
5.2 Calculation Method
5.2.1 step (process) physical consumption calculation
Step (process) physical consumption according to formula (3) calculation.
ES = MS/PZ (3)
Where.
ES --- a step (process) physical consumption, in kilograms per tonne (kg/t), kWh per ton (kW · h/t), cubic meters per ton
(M3/t);
MS --- total amount of energy in some kind of a step (process) of direct consumption, in kilograms (kg), kilowatt (kW · h), cubic
(M3);
PZ --- a step (process) output of qualified products production, tonnes (t).
5.2.2 step (process) energy consumption calculation
Step (process) energy consumption according to formula (4) calculations.
EI = EH/PZ (4)
Where.
EI --- a step (process) of energy consumption, in kilograms per tonne of coal equivalent (kgce/t);
Various energy physical volume EH --- a step (process) of the direct consumption of standard coal and, in kilograms of standard coal (kgce);
PZ --- a step (process) output of qualified products production, tonnes (t).
NOTE. This process of direct consumption of various energy sources and the physical volume of standard coal, while containing waste heat recovery, treatment by 5.1.7. So as not to waste heat recovery and re-purchased energy
Complex calculations.
5.2.3 step (process) comprehensive energy consumption calculation
Step (process) the overall energy consumption according to formula (5) calculation.
EZ = EI EF (5)
Where.
EZ --- integrated energy consumption of a product, in kilograms per tonne of coal equivalent (kgce/t);
EI --- a product process (step) energy consumption, in kilograms per tonne of coal equivalent (kgce/t);
EF --- a product auxiliary energy consumption and the amount of loss allocation, in kilograms per tonne of coal equivalent (kgce/t).
5.3 Calculation range
5.3.1 high nickel matte process energy consumption
5.3.1.1 preparation step
5.3.1.1.1 preparation step calculation range of energy products
It refers to the warehouse from the beginning to concentrate output of nickel and copper or nickel-copper mixed calcine until dry concentrate with energy. Including concentrate drying, material handling, flux
Preparation, heating fuel and related systems (fans, collecting, cooling equipment, waste heat recovery) amount of energy consumed by the other.
5.3.1.1.2 preparation step physical consumption, preparation process energy consumption calculation
Real consumption preparation step according to equation (3) calculation, preparation process energy consumption according to formula (4) calculations.
5.3.1.2 melting, blowing step
5.3.1.2.1 melting, blowing step product energy consumption calculation range
Refers to the production of high nickel matte started up with energy from the nickel-copper-nickel-copper calcine or dry concentrate into the furnace smelting. Including flash furnace, mineral hot furnace, poor
Electric furnace, converter and related support systems (oxygen, air, waste heat recovery, recycled water) and other energy amount consumed.
5.3.1.2.2 melting, blowing step physical consumption, melting, blowing process energy consumption calculation
(3) calculate the melting, blowing consumption by type of physical processes, smelting, blowing process energy consumption according to formula (4) calculations.
5.3.1.3 Process high nickel matte (nickel concentrates - high nickel matte) energy consumption
5.3.1.3.1 calculation range of high technology products of nickel matte energy consumption
Including the preparation process, melting process, blowing process and the plant auxiliary energy sharing amount.
5.3.1.3.2 high nickel matte process physical consumption, high nickel matte process energy consumption and high nickel matte craft comprehensive energy consumption calculation
(3) calculate the physical processes of high nickel matte consumption by type; high nickel matte process energy consumption according to formula (4) computing; high nickel matte craft comprehensive energy consumption according to formula
(5) Calculation.
5.3.2 Nickel refining process energy consumption
5.3.2.1 high nickel matte grinding float process
5.3.2.1.1 calculation range high nickel matte grinding float process energy products
Total energy consumption grinding float process high nickel matte nickel matte broken finger from a high to begin sorting out the nickel concentrate, copper concentrate and nickel-copper alloy with up
energy. Including crushing, milling, flotation, magnetic separation, dehydration, and supporting backwater system (material handling, cranes) and other various energy consumption
Source volume.
High nickel matte grinding float process has three products. the nickel concentrate, copper concentrate and nickel-copper alloy. Energy consumption in some nickel concentrate production divided by product
Share, according to equation (6) calculations.
MSN = PN/(PC PN PH) · MSF (6)
Where.
MSN --- grinding float process nickel concentrate a certain amount of energy consumed, in kilograms per tonne (kg/t), kWh per ton (kW · h/t), cubic
Meters per tonne (m3/t);
PN --- of nickel concentrate production, tonnes (t);
PC --- copper concentrate production, tonnes (t);
PH --- nickel-copper alloy production, tonnes (t);
MSF --- grinding float process some energy consumption in kilograms per tonne (kg/t), kWh per ton (kW · h/t), cubic meters per ton
(M3/t).
5.3.2.1.2 high nickel matte grinding float process physical consumption, high nickel matte grinding float process energy consumption calculation
(3) calculate the high nickel matte grinding float process physical consumption by type, high nickel matte grinding float process energy consumption according to formula (4) calculations.
5.3.2.2 casting process
5.3.2.2.1 casting step calculation range of energy products
Refers to the production of high matte begin until the anode plate by energy from the secondary nickel concentrate into the furnace. Including reverberatory furnace, caster and related systems
(Material handling, heating fuel, collecting, waste heat recovery) amount of energy consumed by the other.
5.3.2.2.2 Real consumption casting process, casting process energy consumption calculation
Real consumption casting process according to equation (3) calculation casting process energy consumption according to formula (4) calculations.
5.3.2.3 electrolysis process
5.3.2.3.1 calculation range of the electrolysis process energy consumption
Energy consumption calculation range electrolysis process include. the production of groove, the groove seed plate, making the tank and supporting system (material handling, net solution
Oriented, beginning processing pole pieces, wash residue) and other various energy consumption.
5.3.2.3.2 electrolysis process electricity consumption calculation
Electrolysis process electricity consumption according to formula (3) calculation.
5.3.2.3.3 electrolysis process steam consumption calculation
Electrolysis process steam consumption according to equation (3) calculation.
Comparable electrolysis process steam consumption, according to the temperature and altitude of the different regions, according to equation (7) be amended.
EQ = ESQ/K · H (7)
Where.
EQ --- comparable electrolysis process steam consumption, in kilograms per tonne (kg/t);
ESQ --- electrolysis process steam consumption, in kilograms per tonne (kg/t);
Temperature correction coefficient K --- Area. south of the Yangtze River is 1.0, to the north of the Yangtze River, south of the Shanhaiguan take 1.03, north of Shanhaiguan take 1.09;
H --- height correction factor. altitude 1500m above take 1.03.
Note. The steam enthalpy calculated 98.1kPa saturated steam.
5.3.2.3.4 electrolysis process energy consumption calculation
Electrolysis process energy consumption according to formula (4) calculations.
5.3.2.4 Nickel refining process (high nickel matte grinding float - electrolytic refining) energy consumption
5.3.2.4.1 calculation range of the nickel refining process energy consumption
Including high nickel matte grinding float process, casting process, the electrolysis process and plant auxiliary energy sharing amount.
5.3.2.4.2 nickel refinery processes physical consumption, energy consumption calculation
Real consumption of nickel refining process according to equation (3) calculation; the nickel refining process energy consumption according to formula (4) calculation; comprehensive energy consumption of nickel refining process according to the formula
(5) Calculation.
5.3.3 Nickel Smelting energy
Calculation range 5.3.3.1 Nickel smelting process energy products
It includes nickel smelting process, the nickel refining process and auxiliary production direct consumption of various energy sources and amounts.
5.3.3.2 Nickel smelting process energy consumption
(8) calculated according to the formula.
EK = ERCD/CGRJ EJ (8)
Where.
EK --- Nickel smelting process energy consumption, in kilograms per tonne of coal equivalent (kgce/t);
ER --- Nickel smelting process energy consumption, in kilograms per tonne of coal equivalent (kgce/t);
CD --- electrolytic nickel grade;
CG --- high-grade nickel matte;
RJ --- direct recovery of nickel refining process;
EJ --- of nickel refining process energy consumption, in kilograms per tonne of coal equivalent (kgce/t).
5.3.3.3 Nickel smelting process comprehensive energy consumption
Nickel smelting process overall energy consumption according to equation (5) calculation.
6 and energy management measures
6.1 basic management of energy-saving
6.1.1 Enterprises should establish energy assessment system, regular nickel smelting enterprises in the production process or process energy consumption assessment, and the test
Nuclear indicators decomposition of the implementation to the workshop, team or key energy-consuming equipment.
6.1.2 Enterprises should be required to establish energy consumption statistics system, the establishment of energy consumption calculations and statistical results of paper files, and files controlled
management.
6.1.3 The energy business should be equipped with appropriate measuring instruments according to the requirements of GB 17167 and the establishment of energy measurement management system.
6.2 Energy Saving Technology Management
6.2.1 Nickel smelting enterprises should be equipped with waste heat recovery and other energy-saving equipment, full use of waste heat recovery technology, to maximize the recovery process generated
energy.
6.2.2 rational organization of production, reduce intermediate links, increase production capacity, extend the production cycle.
Appendix A
(Informative)
Common varieties of existing energy off of standard coal coefficient
Common varieties of existing energy off of standard coal coefficient Table A.1.
Table A.1 Common species existing energy off of standard coal coefficient
The average calorific energy name off of standard coal coefficient and units
Coal 20908kJ/kg (5000kcal/kg) 0.7143kgce/kg
Coke 28435kJ/kg (6800kcal/kg) 0.9714kgce/kg
Crude 41816kJ/kg (10000kcal/kg) 1.4286kgce/kg
Fuel 41816kJ/kg (10000kcal/kg) 1.4286kgce/kg
Gasoline 43070kJ/kg (10300kcal/kg) 1.4714kgce/kg
Kerosene 43070kJ/kg (10300kcal/kg) 1.4714kgce/kg
Diesel 42652kJ/kg (10200kcal/kg) 1.4571kgce/kg
Heavy 41816kJ/kg (10000kcal/kg) 1.4286kgce/kg
Coal washing 26344kJ/kg (6300kcal/kg) 0.9000kgce/kg
Gas 1250 × 4.1868kJ/m3 1.786tce/104m3
Gas 3893kJ/m3 1.3300tce/103m3
LPG 50179kJ/kg (12000kcal/kg) 1.7143kgce/kg
Furnace gas 5227kJ/kg (1250kcal/m3) 0.1786kgce/m3
Thermal (equivalent value) 0.03412kgce/MJ
Electricity (equivalent value) 3600kJ/(kW · h) [860kcal/(kW · h)] 0.1229kgce/(kW · h)
Electricity (equal value) at current standard coal consumption of thermal power generation computing
Steam (low pressure) 3763MJ/t (900Mcal/t) 0.1286kgce/kg
Note. This appendix standard coal coefficient variation occurs with the provisions of national statistical offices, energy consumption level of the corresponding indicator is set separately.
Appendix B
(Informative)
Energy working fluid energy equivalent...
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