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GB 25325-2014: The norm of energy consumption for prebaked anode products for aluminium eletrolyzation
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The norm of energy consumption for prebaked anode products for aluminium eletrolyzation
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| GB 25325-2010 | English | 479 |
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The norm of energy consumption for prebaked anode products for aluminium eletrolyzation
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Basic data | Standard ID | GB 25325-2014 (GB25325-2014) | | Description (Translated English) | The norm of energy consumption for prebaked anode products for aluminium eletrolyzation | | Sector / Industry | National Standard | | Classification of Chinese Standard | F01 | | Classification of International Standard | 27.010 | | Word Count Estimation | 9,959 | | Date of Issue | 12/5/2014 | | Date of Implementation | 10/1/2015 | | Older Standard (superseded by this standard) | GB 25325-2010 | | Quoted Standard | GB/T 2589; GB/T 12723; GB 17167 | | Regulation (derived from) | Announcement of Newly Approved National Standards 2014 No. 27 | | 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 prebaked anodes for aluminum electrolysis energy consumption per production requirements, computing principles, scope and calculation method to calculate. This standard applies to pre-baked anode aluminum electrolysis energy co | GB 25325-2014: The norm of energy consumption for prebaked anode products for aluminium eletrolyzation
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The norm of energy consumption for prebaked anode products for aluminium eletrolyzation
ICS 27.010
F01
National Standards of People's Republic of China
Replacing GB 25325-2010
Prebaked anodes for aluminum electrolysis energy consumption per unit product
Issued on. 2014-12-05
2015-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The standard 4.1 and 4.2 are mandatory, the rest are recommended.
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB 25325-2010 "prebaked anodes for aluminum electrolysis energy consumption per unit of product."
This standard compared with GB 25325-2010, the main changes are as follows.
--- The "firing step molding comprehensive energy consumption" indicator is divided into "molding process comprehensive energy consumption per unit of product" and "firing step unit product
Comprehensive energy consumption "indicator, the relevant indicator values have also been amended accordingly;
--- Modify the "comprehensive energy consumption per unit of product firing step" method of calculating the relevant indicator values has also been modified. modify the limit
≤350kgce/t, the value of access to ≤105kgce/t, the value of advanced modify ≤100kgce/t;
--- Amend the relevant index value "comprehensive energy consumption per unit of product assembly process". limits modify ≤11kgce/t, the value of access to modify
Is ≤6kgce/t, the value of advanced modify ≤4kgce/t.
This standard savings by the National Development and Reform Commission Resources and Environmental Protection Division, Ministry of Information Industry and Energy Saving and Comprehensive Utilization Department, China
Nonferrous Metals Industry Association presented.
This standard by the National Standardization Technical Committee for Energy and Management (SAC/TC20) Standardization Technical Committee and the National Nonferrous Metals
Will (SAC/TC243) centralized.
This standard is mainly drafted by. Aluminum Corporation of China Guizhou Branch, cable-Development Co., Ltd., Shandong morning sun new
Carbon Materials Co., Ltd, China Nonferrous Metals Industry Institute of Standards Metrology and Quality, Jinan Articles carbon limited liability company, China Power Investment Ning
Summer Energy Qingtongxia Aluminum Group Co., Ltd., Jinan Australia sea Carbon Co., Ltd., Shandong Nanshan Aluminum Co., Ltd., China Aluminum Co.
Ltd. Henan Branch, Yunnan Aluminum Co., Ltd., Baotou Aluminum Co., Ltd., Xinjiang Djarum Resources Holdings Limited.
The main drafters of this standard. WANG Kai Fu, Zhihong, HE Pu Rui Di Guihua, Lang Shining, Xu Weiping, in Azure, GAO Shou Lei Hou Zhenhua,
Zhao Qing Cai, Yucheng Bin, Liu Chuan.
Prebaked anodes for aluminum electrolysis energy consumption per unit product
1 Scope
This standard specifies the prebaked anodes for aluminum electrolysis energy consumption per production requirements, computing principles, scope and calculation method to calculate.
This standard applies to pre-baked anode aluminum electrolysis energy consumption calculation and for the evaluation and control of new energy 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
3 Terms and Definitions
Terms and definitions GB/T 2589 and GB/T 12723 apply as defined in this document.
4 Requirements
4.1 prebaked anodes production enterprises existing aluminum electrolysis unit product energy consumption quota limit
Existing pre-baked anode aluminum electrolysis unit product energy consumption limits production enterprises should meet the limit values specified in Table 1.
Table 1
Indicators consumption limits limit values / (kgce/t)
Comprehensive energy consumption per unit of product firing step ≤350
Comprehensive energy consumption per unit of product molding process ≤30
Comprehensive energy consumption per unit of product firing step ≤130
Comprehensive energy consumption per unit of product assembly process ≤11
4.2 New prebaked anode aluminum electrolysis unit product energy consumption limits production enterprises access value
New aluminum electrolysis unit product energy consumption limits production enterprises access value prebaked anode should meet the requirements of Table 2.
Table 2
Indicators consumption limits access value/(kgce/t)
Comprehensive energy consumption per unit of product firing step ≤105
Comprehensive energy consumption per unit of product molding process ≤10
Comprehensive energy consumption per unit of product firing step ≤100
Comprehensive energy consumption per unit of product assembly process ≤6
4.3 prebaked anode aluminum electrolysis unit product energy consumption limits production enterprises advanced value
Prebaked anode aluminum electrolysis unit product energy consumption limits production enterprises should reach advanced value specified in Table 3.
table 3
Index advanced energy limit value/(kgce/t)
Comprehensive energy consumption per unit of product firing step ≤100
Comprehensive energy consumption per unit of product molding process ≤10
Comprehensive energy consumption per unit of product firing step ≤80
Comprehensive energy consumption per unit of product assembly process ≤4
Principles and calculation methods 5 prebaked anode aluminum electrolysis calculated using energy consumption
5.1 prebaked anode aluminum electrolysis production flow chart
Complete with a pre-baked anode electrolytic production process shown in Figure 1, since the processes of production by different companies to complete, so I do not
All businesses have complete production process.
1 pre-baked anode aluminum electrolysis production process diagram of FIG.
5.2 Evaluation Index
In order for a variety of companies with different processes, pre-baked anode aluminum electrolysis step by step comprehensive energy consumption per unit of product points can be integrated
Consumption assessment.
5.3 Calculation Principle
5.3.1 prebaked anodes for aluminum electrolysis production enterprise energy consumption
Production and energy consumption refers to the various activities for the production of energy, including primary energy, secondary energy, refrigerants and waste heat energy resources.
Infrastructure items including energy and energy working fluid within the enterprise storage, conversion and measurement of supply (including export) in losses, not including the approval
Head energy.
5.3.2 Energy consumption during the reporting period
Produced amount of energy consumed during the reporting period, there are three calculation methods.
Method one. enterprise reporting period, the amount of energy consumed = production companies to buy the amount of energy the amount of energy beginning stocks - companies turn for the amount of energy -
Enterprise infrastructure projects, the amount of energy consumption - the amount of energy used in daily life companies - the amount of energy ending stocks
Method two. enterprise reporting period, the amount of energy production and consumption of such products, technology companies = auxiliary energy consumption and the amount of energy Subsidiary production systems
Internal energy conversion losses
Method three. enterprise reporting period, the amount of energy consumed production = integrated energy consumption of various products and companies
5.3.3 Measurement of the amount of physical energy
Measurement of the amount of physical energy must comply with "People's Republic of China Measurement Law" and the GB 17167.
5.3.4 various energy conversion principle amount of coal
Applications based low (bits) is equal to 29.3076 calorific value megajoules (MJ) fuel referred to 1 kg of standard coal (kgce). Consumption of coal enterprises,
Conversion coefficient coke, petroleum coke, fuel oil, coal, natural gas and other purchased energy, shall be measured analytical methods to analyze the state of measurement
Fixed, according to the measured value in terms of standard coal; can not be found, shall be provided by low energy supply sector (bits) heat for conversion; in the above conditions
When not available, conversion coefficient national statistical offices specified in terms of standard coal can be used (see Appendix A). Secondary energy conversion processing enterprises
And working fluid by energy corresponding equivalent calorific value conversion.
5.3.5 Calculation principle for waste heat
Waste heat recovery companies belonging to energy conservation recycling, in the calculation of the energy consumption, to avoid double counting. Waste heat utilization device can count
The energy consumption. Energy recovery; recovery of energy for their own use part of the process included personal use; the turn for other processes, the process used to normal consumption included
After folding of standard coal shall be deducted from the waste heat recovery step process. Case before deduction of recovery of waste heat energy consumption indicators, should be marked "not buckle residual heat
Electric "" including cogeneration "" not buckle waste heat recovery "and so forth.
5.3.6 Indirect comprehensive energy consumption sharing principle
Comprehensive indirect energy consumption should be accounted for the proportion of total production process energy consumption enterprises in accordance with various energy technology products, allocated to each product.
5.4 Calculation Method
Comprehensive energy consumption per unit of product 5.4.1
Comprehensive energy consumption per unit of product 5.4.1.1 firing step
During the reporting period, the firing step after the production process per tonne in line with the requirements of a variety of calcined coke actual energy consumption (converted into standard coal), and the amount of step
Sharing assistance, the amount of the total energy consumption of the system production subsidiary, and the deduction of the recovered waste heat. According to equation (1).
Eds =
eoc ed-ey edf
Pd
(1)
Where.
Eds --- comprehensive energy consumption per unit of product during the reporting period the firing step, in kilograms per tonne of coal equivalent (kgce/t);
The amount of burning petroleum coke eoc --- During the reporting period, according to equation (2) calculated in kilograms of standard coal (kgce);
Ed --- firing step the amount of energy consumed during the reporting period, according to equation (3) calculated in kilograms of standard coal (kgce);
ey --- During the reporting period, more than recovered from the calcination process heat, in kilograms of standard coal (kgce);
Auxiliary energy consumption firing step affiliated departments assessed edf --- During the reporting period, according to equation (11) calculated in kilograms of standard coal
(Kgce);
Pd --- Paid During the reporting period after passing the calcined coke production, tonnes (t).
Petroleum coke burning amount of the reporting period eoc according to formula (2).
eoc = (Poc-Pd) × ρoc (2)
Where.
Petroleum coke consumption Poc --- During the reporting period, tonnes (t);
ρoc --- petroleum coke off of standard coal coefficient.
During the reporting period the amount of energy consumed by the firing step ed by the formula (3) Calculated.
ed = Σ
i = 1
(Edi × ρi) (3)
Where.
I-th energy firing step edi --- physical quantity consumed during the reporting period;
ρi --- During the reporting period the i-th coefficient of standard coal energy off.
Comprehensive energy consumption per unit of product 5.4.1.2 molding process
During the reporting period, the molding process to produce qualified students per tonne anode block various energy actually consumed (converted into standard coal), and the amount assessed step
Auxiliary, subsidiary production system and the amount of energy it consumes. (4) calculated according to the formula.
Ecx =
ec ecf
Pc
(4)
Where.
Ecx --- comprehensive energy consumption per unit of product molding process during the reporting period, in kilograms per tonne of coal equivalent (kgce/t);
Molding process ec --- the amount of energy consumed during the reporting period, according to equation (5) calculated in kilograms of standard coal (kgce);
ecf --- auxiliary energy consumption during the reporting period subsidiary departments forming process assessed, according to equation (11) calculated in kilograms of standard coal
(Kgce);
During the reporting period the anode qualified Pc --- raw block production, tonnes (t).
Forming step the amount of energy consumed during the reporting period ec according to formula (5) Calculated.
ec = Σ
i = 1
(Eci × ρi) (5)
Where.
The i-th step of forming the amount of physical energy eci --- consumed during the reporting period.
Comprehensive energy consumption per unit of product 5.4.1.3 firing step
During the reporting period, the firing step to produce qualified tonne anode baking block various energy actually consumed (converted into standard coal) the amount of the step points
The amount of energy and the share of the secondary sector of the subsidiary. According to equation (6) Calculated.
Ebs =
eb ebf
Pb
(6)
Where.
Ebs --- comprehensive energy consumption per unit of product during the reporting period firing step, in kilograms per tonne of coal equivalent (kgce/t);
Calcining step eb --- the amount of energy consumed during the reporting period, according to equation (7) calculated in kilograms of standard coal (kgce);
Subsidiary sector energy consumption auxiliary firing step ebf --- assessed during the reporting period, according to equation (11) calculated in kilograms of standard coal
(Kgce);
Eligible Pb --- reporting period roasting block production, tonnes (t).
Firing step the amount of energy consumed during the reporting period eb according to formula (7) Calculated.
eb = Σ
i = 1
(Ebi × ρi) (7)
Where.
I-th energy firing step ebi --- physical quantity consumed during the reporting period.
Comprehensive energy consumption per unit of product assembly process 5.4.1.4
During the reporting period, the assembling process of production per ton of qualified anode assembly block various energy consumption (converted into standard coal) the amount of the share of secondary processes
Department of energy and help the subsidiary. According to equation (8) Calculated.
Ezz =
ez ezf
Pz
(8)
Where.
Ezz --- comprehensive energy consumption per unit of product assembly process of the reporting period, in kilograms per tonne of coal equivalent (kgce/t);
Assembling process ez --- the amount of energy consumed during the reporting period, according to equation (9) calculated in kilograms of standard coal (kgce);
Subsidiary sector energy consumption of auxiliary ezf --- report assessed the assembly process, according to equation (11) calculated in kilograms of standard coal (kgce);
Eligible Pz --- production assembly blocks during the reporting period, tonnes (t).
Assembling process the amount of energy consumed during the reporting period ez according to formula (9) Calculated.
ez = Σ
i = 1
(Ezi × ρi) (9)
Where.
The physical volume of the assembly process ezi --- energy consumed during the reporting period.
5.4.2 auxiliary energy sector subsidiary
This process includes the amount of energy consumed machine repair, maintenance, fleet and other auxiliary plant energy use and lighting body shop, administration, heating, cooling,
Bathing energy. According to formula (10) Calculated.
ef = Σ
i = 1
efi × ρi () (10)
Where.
ef --- auxiliary affiliated departments report period, the amount of energy consumed, in kilograms of standard coal (kgce);
Several kinds of energy consumed by the auxiliary departments affiliated n --- the reporting period;
Auxiliary efi --- During the reporting period the physical volume of the i-th energy consumed affiliated departments.
5.4.3 assessment subsidiary auxiliary energy sector
When calculating step comprehensive energy consumption, assessed by the auxiliary energy sector subsidiary of the formula (11) Calculated.
exf =
ex
ed ec eb ez ×
ef (11)
Where.
exf --- During the reporting period a subsidiary step assessed the auxiliary energy consumption sector, in kilograms of standard coal (kgce); subscript x represents d, c,
b and Z, respectively, represent the firing step, a molding step, firing step and assembling step;
Ex --- the amount of energy consumed during the reporting period of a process, in kilograms of standard coal (kgce); subscript x represents d, c, b, and z, respectively table
It shows the firing step, a molding step, firing step and assembly step.
Appendix A
(Normative)
Common varieties of existing energy and energy dissipation coefficient of standard coal off working fluid energy value
A.1 Common species existing energy off of standard coal coefficient
Table A.1 commonly used varieties of existing energy off of standard coal coefficient.
Table A.1 Common species existing energy off of standard coal coefficient
Fold of standard coal energy coefficient and units
Variety unit coefficient unit
Gasoline tons (t) 1.4714 tons of standard coal per ton (tce/t)
Heavy tons (t) 1.4286 tons of standard coal per ton (tce/t)
Diesel tonnes (t) 1.4571 tons of standard coal per ton (tce/t)
Petroleum coke tons (t) 1.0000 tons of standard coal per ton (tce/t)
Ten thousand kilowatts hours of electricity (104kW · h) 1.229 tons of standard coal per ten thousand kilowatt-hour (tce/104kW · h)
Gas (heat value of 1250 × 4.1868kJ/m3) ten thousand cubic meters (104m3) 1.786 tons of standard coal per ten thousand cubic meters (tce/104m3)
One thousand cubic meters of natural gas (103m3) 1.3300 tons of standard coal per thousand cubic meters (tce/103m3)
Steam GJ (GJ) 0.03412 tons of standard coal per GJ (tce/GJ)
Note 1. The calorific value of coal according to 5000kcal/kg meter.
Note 2. The coefficient of steam coal off by heat value.
Note 3. Some varieties are still using the "million" as a unit of measurement.
A.2 energy working fluid energy value
Table A.2 for the energy working fluid energy value.
Table A.2 energy working fluid energy value
Fold of standard coal energy coefficient and units
Unit calorific value/MJ off coal/kg
New water tonnes (t) 7.5350 0.2571
Compressed air cubic meters (m3) 1.1723 0.0400
Acetylene cubic meters (m3) 243.6722 8.3143
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