GB 21250-2014 English PDF

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GB 21250-2014: The norm of energy consumption per unit product of lead metallurgical enterprise
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GB 21250-2014	399	Add to Cart	3 days	The norm of energy consumption per unit product of lead metallurgical enterprise	Obsolete
GB 21250-2007	399	Add to Cart	3 days	The norm of energy consumption per unit products of lead metallurgical enterprise	Obsolete

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Basic data

Standard ID: GB 21250-2014 (GB21250-2014)
Description (Translated English): The norm of energy consumption per unit product of lead metallurgical enterprise
Sector / Industry: National Standard
Classification of Chinese Standard: F01
Classification of International Standard: 27.010
Word Count Estimation: 10,199
Date of Issue: 4/28/2014
Date of Implementation: 1/1/2015
Older Standard (superseded by this standard): GB 21250-2007
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 lead 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 applies

GB 21250-2014: The norm of energy consumption per unit product of lead metallurgical enterprise

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The norm of energy consumption per unit product of lead metallurgical enterprise ICS 27.010 F01 National Standards of People's Republic of China Replacing GB 21250-2007 Lead 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 21250-2007 "lead smelting enterprises of energy consumption per unit of product." Compared with GB 21250-2007, present Standard main changes are as follows. --- Modify the scope of the standard, this standard is no longer applicable to the smelting of lead and zinc mixed concentrate. The lead and zinc mixed concentrate smelting and content In "zinc smelting enterprise energy consumption per unit product" standard lead as comprehensive recovery products. --- Remove the energy special formula. --- In the "lead, gold, silver and mixed melting energy calculation principles," it added silver concentrate energy sharing. --- Gold and silver materials were clearly defined and refined and added formulas lead, gold, silver consumption assessed. --- On the "rough calculation range lead production process" has been revised. --- The existing lead smelting enterprises unit energy consumption limit by the 650kgce/t modify 540kgce/t, lead smelting enterprises New Single Bit Access product energy consumption value modified by 540kgce/t of 370kgce/t, lead smelting enterprises unit energy consumption by the advanced value 470kgce/t modify 355kgce/t. 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. Henan Yuguang Gold & Lead Co., Ltd., Yunnan Chihong Zinc and Germanium Co., Ltd., China Nonferrous Metal Workers Industry Standards and Metrology Institute for Quality. Participated in the drafting of this standard. Shanghai flywheel-ferrous smelter, Zhuzhou Smelter Group Co., Ltd., Hunan Nonferrous Metals set Shuikoushan Group Limited. The main drafters of this standard. Gui, Zhaoyong Shan, Victor, Hou Xiaobo, Zhao Bo, Tan Yi-Wen, Wu Jianhua, Kung Zheng, Tan Shanpei, He Ruifeng, Han Ying, Zhang Yun, Wang Ping. This standard replaces the standards previously issued as follows. --- GB 21250-2007. Lead smelting enterprises of energy consumption per unit product

1 Scope

This standard specifies the lead smelting enterprises Product power consumption (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 calculation of lead smelting business unit product energy consumption of lead ore, crude lead as raw materials, assessment, as well as for new items Energy control purposes. This standard also applies to raw materials for crude lead electrolytic lead refineries.

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 to this document defined.

4 Requirements

4.1 Existing lead smelting business unit product energy consumption limits Existing lead smelting enterprises comprehensive energy consumption per unit of product limits should be consistent with the requirements of Table 1. Table 1 Conventional lead smelting enterprises comprehensive energy consumption per unit of product limits Step process of comprehensive energy consumption limits/(kgce/t) Crude lead process ≤400 Lead electrolytic refining process ≤140 Lead smelting process ≤540 4.2 new lead smelting enterprises access unit product energy consumption value Comprehensive energy consumption value Access new lead smelting enterprises products should comply with the requirements of Table 2. Table 2 New lead smelting enterprises comprehensive energy consumption per unit of product value access Step process integrated energy access value/(kgce/t) Crude lead process ≤260 Lead electrolytic refining process ≤110 Lead smelting process ≤370 4.3 lead smelting enterprises advanced unit product energy consumption value Lead smelting enterprises comprehensive energy consumption per unit of product advanced value should meet the requirements of Table 3. Table 3 lead smelting enterprises comprehensive energy consumption per unit of product advanced value Processes, advanced technology integrated energy value/(kgce/t) Crude lead process ≤250 Lead electrolytic refining process ≤105 Lead smelting process ≤355 5 statistical range, calculation methods and calculation range 5.1 statistical range 5.1.1 enterprise actual production of all kinds of energy consumption Various energy actually consumed means. primary energy (coal, crude oil, natural gas, etc.), secondary energy (electricity, heat, petroleum products, coke Etc.), and energy production and use of energy working fluid (water, oxygen, compressed air, etc.) consumed. Various energy companies actually consumed, refers to a variety of activities for the production of energy. Including the main production system, auxiliary production system and Affiliated with the energy production system, not including the life energy and energy infrastructure projects. Dormitory life energy refers to the enterprise within the system, schools, culture and entertainment, healthcare, business services directly to aspects of life Energy consumption. Energy consumption statistics 5.1.2 Corporate Plan period Corporate Plan period, energy consumption statistics refers to energy consumption statistics during the period of the plan directly for production, whether they are directly Should be provisions in the production division 5.1.1. Enterprise product range 5.1.3 Calculation of energy consumption Range of enterprise computing products, including energy production systems and auxiliary production systems business planning and statistics during the consumption of primary energy, secondary Energy, energy refrigerant, its energy consumption should be consistent with the formula (1). Eh = E1 E2-E3-E4-E5 (1) Where. Eh --- energy consumption during the business planning and 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. Various energy consumption shall weight and drain dollars. The presence of supply and demand, the input and output sides in the calculation of value should remain a Cause equipment shutdown overhaul of energy consumption should be taken into account, and the press operation cycle after overhaul set monthly average assessed. Integrated energy companies Calculation according to the provisions of GB/T 2589's. 5.1.4 Calculation of the amount of physical energy Calculation of the amount of physical energy should be consistent with the provisions of "People's Republic of China Measurement Law" and the GB 17167. 5.1.5 Energy, energy refrigerants, energy consumption and the consumption of physical units of measurement Energy consumption using kgce/t (kilograms of standard coal/t), tce/t (tce/t) and kJ/t (kJ/t), MJ/t (MJ/t), GJ/t (GJ/t) as the unit of measurement. Coal, coke, heavy oil kg (kg), t (t). Electricity use kW · h (kWh), 104kW · h (ten thousand kwh). Steam usage kJ (kilojoules), MJ (MJ), GJ (GJ). Gas, natural gas, compressed air, oxygen use m3 (cubic meters), 104m3 (ten thousand cubic meters). The water used t (t), 104t (tons). 5.1.6 various energy sources (including energy working fluid energy consumption) coal conversion method Applications based low (bits) equal to the amount of heat 29.3076MJ (MJ) of fuel, namely 1kgce. Various energy and energy working fluid should be converted into standard coal consumption calculation, purchased energy desirability measured low (bits) or heat supply order Real measurement position to provide the basis for the calculation or conversion using the conversion coefficient national statistical offices, see Appendix A. In addition to electrical energy when the value by conversion Coal, other secondary energy and energy working fluid according to the corresponding value of energy conversion; when production enterprise energy conversion, according to the actual investment in energy Kind of conversion of coal equivalent amount; when export supply by a centralized production unit, its energy value shall be specified by the competent authority, outsourcing export its energy Equal value should be the same; when the energy value is not provided, according to the national statistical offices conversion coefficient converted, see Appendix B. Business recovery Heat Press conversion coefficient of thermal, cogeneration unified by the reduction coefficient of power conversion. 5.1.7 determine energy consumption per unit of product output Lead smelting process smelting unit product energy consumption shall be calculated using the qualified lead production of crude output in the same period of the statistical program. Lead electrolysis process unit product energy consumption shall be calculated using the same qualified electrical lead production planned output during the period. 5.1.8 lead, gold, silver and mixed melting energy consumption calculation principles Calculation of energy consumption process crude lead, lead concentrate should be treated, the weight of gold concentrate (containing gold ore), gold and silver concentrates and silver materials accounted for The total proportion of concentrate into the furnace were assessed, the energy consumption in the refining process is all included in the lead. The total amount of concentrate into the furnace includes a lead concentrate, concentrate gold (including gold ore), gold and silver material and silver concentrate, flux and does not include the system back Back to the product. Lead content of more than 45% of the gold and silver lead concentrate material should be counted. Lead content less than 45%, the gold content in the 30g/t silver content at or above 3000g/t or more non-lead slag system should be counted as gold and silver materials. 5.1.9 The use of waste heat energy consumption calculation principles Where the utilization of waste heat energy produced, after conversion in this step should be deducted from the amount of energy used in the present system, which is part of the energy normally places Consumption included. Waste heat recovery companies belonging to energy conservation recycling is not part of purchased energy, when calculating the energy consumption, to avoid double counting and purchased energy Operators. Waste heat utilization device can be included in the energy consumption. Energy recovery own part, included in the process for their own use; the turn for other processes, the process used to Normal consumption included; standard coal recovered energy should be deducted from the waste heat recovery step process. Case before deduction of energy waste heat recovery means Standard, should be marked "not buckle cogeneration" (or "including cogeneration", "not buckle waste heat recovery") and so forth. 5.1.10 Other Within statistical period, equipment overhaul annual energy consumption, energy consumption should be included in the product process, press the maintenance operation cycle of the equipment monthly The average assessed the various energy maintenance processes. Ancillary equipment energy consumption should be based on the total energy consumption accounts for each product technology production processes Ratio of the amount apportioned to each product. 5.2 Calculation Method 5.2.1 Step physical consumption calculation See the formula (2). eis = mis/pis (2) Where. eis --- a first process step i processes the physical consumption, in kilograms per tonne (kg/t), kWh per ton (kW · h/t), cubic Meters per tonne (m3/t); A certain amount of physical energy of the i mis --- a process procedure consumed in kilograms (kg), kilowatt (kW · h), cubic (M3); pis --- a process step i-channel output of qualified products production, tonnes (t). Step 5.2.2 Calculation of energy consumption See equation (3). ei = mi/pi (3) Where. ei --- a first process step i processes energy consumption in kilograms per tonne of coal equivalent (kgce/t); mi --- a first process step i track the amount of energy consumed in kilograms of standard coal (kgce); pi --- a process step i-channel output of qualified products production, tonnes (t). 5.2.3 smelting processes lead, gold, silver, lead smelting mixing energy consumption share calculation See the formula (4). ei = mi m1 m2 m3 m4 · E (4) Where. ei --- smelting process energy consumption apportioned amount, in kilograms per tonne of coal equivalent (kgce/t); mi --- weight of lead concentrate smelting process inputs, gold ore, silver or gold and silver ore material (i = 1,2,3,4), tonnes (t); e --- smelting process step energy consumption in kilograms per tonne of coal equivalent (kgce/t). 5.2.4 Process Energy Consumption (lead concentrates - electrolytic lead) Calculation See equation (5). E = EC · TC ED (5) Where. E --- a craft process energy consumption, in kilograms per tonne of coal equivalent (kgce/t); EC --- crude lead a process step energy consumption in kilograms per tonne of coal equivalent (kgce/t); TC --- production of electricity consumption per ton of crude lead of lead content; ED --- a process of lead electrolysis process energy consumption, in kilograms per tonne of coal equivalent (kgce/t). 5.2.5 integrated energy consumption calculation Lead smelting process integrated energy consumption according to equation (6) calculations. EZ = EG EF (6) Where. EZ --- a lead smelting method of comprehensive energy consumption in kilograms per tonne of coal equivalent (kgce/t); EG --- a lead smelting process energy consumption method, in kilograms per tonne of coal equivalent (kgce/t); EF --- a lead smelting method other auxiliary energy consumption per unit volume share and the amount of loss, in kilograms per tonne of coal equivalent (kgce/t). 5.3 Calculation range 5.3.1 division lead smelting process All lead smelting process into crude lead electrolytic refining process and lead the process. Rough calculation range 5.3.2 Lead Process The crude product energy consumption calculation range lead process shall include preparation, smelting, dust collection, ventilation, exhaust gas treatment, supporting the entire oxygen station and crude lead students Various energy-related production process consumed, not including the comprehensive recovery and fuming sulfuric acid recovery of zinc oxide on energy consumption. 5.3.3 Calculation range lead electrolytic refining process Lead electrolytic refining process energy consumption calculation range, molten lead should include the removal of copper cathode and anode manufacturing, electrolysis, anode mud filtration, dross handling, casting Ingots, air supply, exhaust and other dust collection amount of energy consumed.

6 and energy management measures

6.1 basic management of energy-saving 6.1.1 Enterprises should establish energy assessment system, regularly lead smelting enterprises of various production process energy situation assessment, and the assessment means Marked decomposition of the implementation to the basic units. 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 apparatus management system. 6.2 Energy Saving Technology Management 6.2.1 lead smelting enterprises should be equipped with waste heat recovery and other energy-saving equipment, to maximize energy recovery process produced. 6.2.2 rational organization of production, reducing intermediate environment; increase production capacity, extend the production cycle.

Appendix A

(Informative) Common varieties of existing energy reference standard coal coefficient Common varieties of existing reference standard coal energy coefficients in Table A.1. Table A.1 Common species reference standard coal energy coefficient Energy standard coal coefficient and units Variety average calorific coefficient unit Coal 20908kJ/kg (5000kcal/kg) 0.7143 kgce/kg Coal washing 26344kJ/kg (6300kcal/kg) 0.900 kgce/kg Heavy 41816kJ/kg (10000kcal/kg) 1.4286 kgce/kg Diesel 42652kJ/kg (10200kcal/kg) 1.4571 kgce/kg Gasoline 43070kJ/kg (10300kcal/kg) 1.4714 kgce/kg Coke 28435kJ/kg (6800kcal/kg) (ash content 13.5%) 0.9714 kgce/kg LPG 50179kJ/kg (12000kcal/kg) 1.7143 kgce/kg Electricity (equivalent value) 3600kJ/(kW · h) [860kcal/(kW · h)] 0.1229 kgce/(kW · h) Thermal - 0.03412 kgce/MJ Gas 1250 × 4.1868kJ/m3 1.786 tce/104m3 Gas 38931kJ/m3 (9310kcal/m3) 1.3300 tce/103m3 Note 1. The coefficient of standard coal by steam heat value. Note 2. Some varieties are still using the "million" as a unit of measurement. Note 3. This appendix standard coal coefficient case of national statistical offices regulations change, energy consumption level indicators are set separately.

Appendix B

(Informative) Energy working fluid energy value Energy working fluid energy value in Table B.1. Table B.1 energy working fluid energy reference value Energy working fluid Name Unit Energy value Calorific value/MJ standard coal/kgce Remark Fresh water Demineralized water 7.535 14.2347 .2571 .4857 Refers not been used tap water, according to the average Computing power 0.04 1.1723 cubic meter of compressed air 6.2806 0.2143 cubic meters of carbon dioxide 11.723 cubic meters of oxygen 0.4 Cubic meters of nitrogen When by-products 11.723 0.4 19.6771 0.6714 when the main product Acetylene 243.6722 8.3143 cubic stone calculated according to consumption Calcium carbide kg 60.9188 2.0786 average consumption of coke, electricity and other computing Note. This appendix energy value subject to change data to the latest national statistical offices shall prevail. ......

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