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GB 31337-2014: The norm of the energy consumption per unit ore of iron ore dressing
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The norm of the energy consumption per unit ore of iron ore dressing
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GB 31337-2014
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Basic data | Standard ID | GB 31337-2014 (GB31337-2014) | | Description (Translated English) | The norm of the energy consumption per unit ore of iron ore dressing | | Sector / Industry | National Standard | | Classification of Chinese Standard | F01 | | Classification of International Standard | 27.010 | | Word Count Estimation | 9,975 | | Date of Issue | 12/31/2014 | | Date of Implementation | 1/1/2016 | | Quoted Standard | GB/T 2589; GB/T 12723; GB 17167; GB/T 23331 | | Regulation (derived from) | National Standards Bulletin 2014 No. 33 | | 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 iron ore processing unit product energy consumption (hereinafter referred to as energy) technical requirements limit, statistical coverage and calculation methods and energy management measures. This Standard applies to energy | GB 31337-2014: The norm of the energy consumption per unit ore of iron ore dressing---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.
The norm of the energy consumption per unit ore of iron ore dressing
ICS 27.010
F01
National Standards of People's Republic of China
Iron ore beneficiation of energy consumption per unit product
Issued on. 2014-12-31
2016-01-01 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 is mandatory, the rest are recommended.
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard was proposed by the National Development and Reform Commission Resource Conservation and Environmental Protection.
This standard by the National Standardization Technical Committee for Energy and Management (SAC/TC20) centralized.
This standard was drafted. China International Engineering Consulting Corporation, China Metallurgical Mining Enterprise Association, China Steel Group, Maanshan Institute of Mining Research have
Ltd., North China Metallurgical Engineering Technology Co., Ltd., Metallurgical Industry Planning Research Institute, Hebei Iron and Steel Group Mining Co., Anshan Iron and Steel (set
Group) Company.
The main drafters of this standard. Yangdong Min, Zhu Liyang, Editorship & Subsistence Yan Shu-fang, Cheng small spear, from Cai, Lei Pingxi, Xuwen Yao, Wang Hongjun,
Xiaoqing Bo, LIU Cui - ping, Liu Hu, Gong Xiang Tao, Zhangting Dong, Wei Corps, Dan Feng, Xiang Wang Hai, Zhang Chuanxin, Huang Xin, Kim Seung, Li Chong, Bolin Lin,
Zhangsong Bo, Zhang Guoqing, South Qing Shi, Wang unsuccessful, Shao Anlin, Jing Feng Ru, Meng school, high battle Min, Liu Xiaoming, COLLECTED ESSAYS.
Iron ore beneficiation of energy consumption per unit product
1 Scope
This standard specifies the iron ore processing unit product energy consumption (hereinafter referred to as energy) technical requirements limit, the scope of statistics and calculation methods,
And energy management measures.
This standard applies to energy control computing unit energy consumption of iron ore processing, and evaluation of new projects.
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
GB/T 23331 Energy Management System Requirements
3 Terms and Definitions
GB/T 12723 and as defined in the following terms and definitions apply to this document.
3.1
Joint sorting multiple-concentration
Of two or more individually selected from other processes (weak magnetic separation, high intensity magnetic separation, re-election, flotation, etc.) to achieve a combination of mineral separation process.
3.2
Roasting sorting roastingandconcentration
The magnetic roasting and sorting process to achieve a combination of mineral separation.
3.3
Iron ore beneficiation comprehensive energy consumption per unit of product comprehensiveenergyconsumptionperunitoreofironoredressing
Statistical period, iron ore processing per tonne of ore, the total amount of all kinds of energy actually consumed.
3.4
Iron ore beneficiation comprehensive energy consumption per unit of product than comparablecomprehensiveenergyconsumptionperunitoreof
ironoredressing
To achieve per unit of product in iron ore processing industry (ore processing) consumption comparable, comprehensive energy consumption of the various impacts of iron ore beneficiation unit product
Correction factors to be calculated out comprehensive energy consumption per unit of product.
4. Technical Requirements
4.1 existing iron ore beneficiation unit product energy consumption limits
Existing iron ore beneficiation unit product energy consumption limits shall conform to the requirements of Table 1.
Table 1 existing iron ore beneficiation unit product energy consumption limits
Beneficiation process unit of product types comparable overall energy consumption/(kgce/t)
Weak magnetic ≤4.1
Joint sorting ≤5.7
Roasting sorting
Furnace ≤48.5
Kiln ≤54.3
4.2 new or renovation and expansion of iron ore processing unit product energy consumption value access
New or renovation and expansion of iron ore processing unit product energy access value should meet the requirements of Table 2.
Table 2 new or renovation and expansion of iron ore processing unit product energy consumption value access
Beneficiation process unit of product types comparable overall energy consumption/(kgce/t)
Weak magnetic ≤3.3
Joint sorting ≤4.2
Roasting sorting
Furnace ≤45.6
Kiln ≤51.8
4.3 iron ore beneficiation unit product energy consumption advanced value
Iron ore beneficiation encourage enterprises through energy-saving technological transformation and strengthen energy conservation management, to Table 3 iron ore beneficiation unit energy consumption to
Binary values.
Table 3 iron ore beneficiation unit product energy consumption advanced value
Beneficiation process unit of product types comparable overall energy consumption/(kgce/t)
Weak magnetic ≤2.4
Joint sorting ≤3.3
Roasting sorting
Furnace ≤42.4
Kiln ≤49.7
5 statistical coverage and calculation methods
5.1 statistical range
Iron ore beneficiation overall energy consumption, including ore from iron ore into the plant to qualified Jincang (pool), tailings into the library (yard) of the whole process, including mineral processing
The main production system (pre-selection, crushing, screening, grinding, grading, sorting, dewatering, tailings disposal, production scheduling command system), auxiliary production system
(Machine repair, auto repair, electrical repair, electricity, water (including water treatment), heating, testing, testing, measurement, environmental protection, power supply, drug supply) and direct
The physical volume of production systems for the production of subsidiary services (offices, cafeteria, bathrooms) consumed by a variety of energy, and in accordance with GB/T 2589 regulations
Scheduled converted into standard coal. Coal power off when using the coefficient value 0.1229kgce/(kW · h).
5.2 Calculation Method
5.2.1 iron ore beneficiation comprehensive energy consumption per unit of product calculation
Iron ore beneficiation comprehensive energy consumption per unit of product according to formula (1).
exk =
Esj
Pyk
(1)
Where.
Comprehensive energy consumption per unit of product exk --- iron ore beneficiation, in kilograms per tonne of coal equivalent (kgce/t);
Total amount of all kinds of energy, turning coal ore dressing --- Esj statistics during the actual consumption in kilograms of standard coal (kgce);
The amount of iron ore beneficiation process Pyk --- statistical period, expressed in tonnes (t).
5.2.2 iron ore processing unit of product than the comprehensive energy consumption calculation
5.2.2.1 weak magnetic separation and co-sorting unit of product than the comprehensive energy consumption calculation
Weak magnetic separation and co-sorting unit of product than the comprehensive energy consumption according to formula (2).
ekb =
exk
(2)
Where.
ekb --- iron ore processing unit comprehensive energy consumption of comparable products, in kilograms per tonne of coal equivalent (kgce/t);
K --- adjustment factor.
To achieve comprehensive energy consumption per unit of product than the iron ore beneficiation and considering the main factors affecting the beneficiation power consumption, using the adjustment factor.
Iron ore beneficiation energy adjustment coefficient according to formula (3) Calculated.
K = (1 K1 K2 K3) × K4 (3)
Where.
K1 --- comminution coefficient, see Table A.1;
K2 --- flotation heating coefficient, see Table A.2;
K3 --- heating coefficient, see Table A.3;
K4 --- plateau coefficients in Table A.4.
5.2.2.2 roasting sorting unit of product than the comprehensive energy consumption calculation
Roasting sorting unit of product than the comprehensive energy consumption according to formula (4) Calculated.
ebx = ebs ekb (4)
Where.
ebx --- roasting sorting unit comprehensive energy consumption of comparable products, in kilograms per tonne of coal equivalent (kgce/t);
ebs --- firing step off the actual energy consumption of energy consumption per unit product (ore processing capacity), in units of kilograms of standard coal per ton
(Kgce/t).
6 and energy management measures
6.1 energy management
6.1.1 shall be equipped with energy measuring instruments according to GB 17167, establish and improve the management of energy metering system, ensuring accurate energy data base
And integrity.
6.1.2 should be established in accordance with GB/T 23331 energy management system, standardize energy management, continuous improvement of energy efficiency.
6.1.3 should be regularly crushing, grinding, sorting, dehydration and other major energy-consuming equipment assessment.
6.2 Energy Saving Measures
6.2.1 strictly control the device and to be expected idling time, optimize operating conditions, improve equipment energy efficiency.
6.2.2 according to the nature of ore trend into the mill before using magnetic pulley, re-election equipment or other methods to achieve pre-tailing, excluding ore mixed
The surrounding rock and stone folder, save grinding energy consumption.
6.2.3 The development and utilization of new energy efficient technologies, new processes, new equipment and new materials.
6.2.4 full use of solar energy, potential energy (gravity) and other energy. Focus on recycling furnace, rotary kiln and the cooling water temperature flue gas heat.
Focus on sorting, concentrate and tailings dewatering processes recycled water recovery and utilization.
6.2.5 timely elimination of high energy consumption, high pollution and low efficiency of processes and equipment.
Appendix A
(Normative)
coefficient
A.1 comminution coefficient
Comminution coefficients in Table A.1.
Table A.1 comminution coefficient
Grinding methods for some milling milling Sec three sections milled from a period of grinding ball mill ball mill since the mill Sec
Comminution coefficient K1 -0.15 0 0.10 0.12 0.15
A.2 flotation warming coefficient
Flotation warming coefficients in Table A.2.
Table A.2 flotation warming coefficient
The annual average temperature/℃ 0 ~ 5 5 ~ 10 10 ~ 15 15 ~ 20 20 ~ 25
Flotation heating coefficient K2 0.55 ~ 0.45 0.45 ~ 0.35 0.35 ~ 0.25 0.25 ~ 0.15 0.15 ~ 0
Note. The interval data is calculated in the difference method.
A.3 heating coefficient
Heating coefficient table A.3.
Table A.3 heating coefficient
Heating period/month 03456
Heating coefficient K3 0 0.2 0.3 0.4 0.5
Note. The interval data is calculated in the difference method.
A.4 plateau coefficient
Plateau coefficient table A.4.
Table A.4 plateau coefficient
Altitude/m < 2000 2000 ~ 3000 3000 ~ 4000 4000 ~ 4500
Plateau coefficient K4 1.0 1.00 ~ 1.05 1.05 ~ 1.15 1.15 ~ 1.25
Note. The interval data is calculated in the difference method.
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