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GB 31535-2015: The norm of energy consumption per unit product of dimethylether
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Basic data

Standard ID	GB 31535-2015 (GB31535-2015)
Description (Translated English)	The norm of energy consumption per unit product of dimethylether
Sector / Industry	National Standard
Classification of Chinese Standard	F01
Classification of International Standard	27.010
Word Count Estimation	8,833
Date of Issue	2015-05-15
Date of Implementation	2016-06-01
Quoted Standard	GB 338; GB/T 2589; GB/T 3484; GB/T 12723; GB 17167; GB/T 23331; GB 25035
Regulation (derived from)	National Standard Announcement 2015 No. 15
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 methanol as raw materials to produce DME technical requirements of energy consumption per unit of product, the statistical coverage and calculation methods and energy management measures. This Standard is suitable for calculation of unit energy consumption of dimethyl ether and methanol as raw materials, as well as the assessment of new or expansion projects of energy control.

GB 31535-2015: The norm of energy consumption per unit product of dimethylether

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The norm of energy consumption per unit product of dimethylether ICS 27.010 F01 National Standards of People's Republic of China DME energy consumption per unit product Published 2015-05-15 2016-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China issued

Foreword

This standard 4.1 and 4.2 are mandatory, others are recommended. This standard was drafted in accordance with rules GB/T 1.1-2009 given. This standard Conservation and Environmental Protection, the Ministry of Industry and Information Technology Energy Saving and Comprehensive Utilization Department put forward by the National Development and Reform Commission resources. This standard by the National Energy Foundation and Management Standardization Technical Committee (SAC/TC20), China Petroleum and Chemical Industry Federation Centralized. Drafted by. China National Chemical Information Center, Shenhua Group Co., Ltd., Sichuan Tianyi Science and Technology Co., Ltd., Chengdu days Into a carbon Chemical Co., Ltd., Hebei Kaiyue Chemical Group Co., Ltd. Jiutai Energy Technology Co., Ltd., the new energy (Zhangjiagang) Energy Co. Division, Yunnan solution of Clean Energy Development Co., Ltd., Maoming City in Guangdong Province Quality Supervision detection, Shanxi Lanhua Clean Energy Co., Ltd. the company. The main drafters of this standard. Tang Hong, Zhang new, Zhang Huimin, En Yuan Liang, Ma Liang Jingyu country, Zhang Xiaolong, HAN school, Cao Rui, Chen Shitai, Yang Guoxiang, YELLOW Yuan roots music, Liang Shi Pu, Wang Yan Di, Yu Changbin, Li Zhihong, Li Yongliang, Chen Fenglin, Wang Wu, Zhang Hua. DME energy consumption per unit product

1 Scope

This standard specifies methanol as raw materials to produce dimethyl ether unit product energy consumption (hereinafter referred to as energy consumption) limit the technical requirements of the system Meter range and calculation methods, and energy management measures. This standard is suitable for calculation of energy consumption per unit product of dimethyl ether and methanol as raw materials, as well as the assessment of new or expansion projects Energy control.

2 Normative references

The following documents for the application of this document is essential. For dated references, only applies to the version dated paper Pieces. For undated references, the latest edition (including any amendments) applies to this document. GB 338 industrial methylated GB/T 2589 comprehensive energy consumption computing General GB/T 3484 General corporate energy Ping Heng GB/T 12723 energy consumption per unit product preparation General GB 17167 energy use per unit of energy measurement apparatus equipped and General Management GB/T 23331 Energy Management System Requirements GB 25035 town gas with dimethyl ether

3 Terms and Definitions

GB/T 12723 defines the following terms and definitions apply to this document. 3.1 DME comprehensive energy consumption thecomprehensiveenergyconsumptionofdimethyletherproduct During the reporting period, throughout the DME production process, the total amount of energy actually consumed by the various (including raw material methanol). 3.2 DME unit energy consumption thecomprehensiveenergyconsumptionperunitproductofdimethylether DME product expressed in the comprehensive energy consumption per unit of production. 4. Technical Requirements 4.1 DME unit energy consumption limit Prior DME production apparatus unit energy should not exceed the limit value 1225kgce/t. 4.2 DME unit product energy access value New or dimethyl ether expansion device access unit energy value is not greater than 1170kgce/t. 4.3 DME advanced energy consumption per unit of product value DME production unit energy means should not exceed a value advanced 1146kgce/t. Statistical methods and calculation range 5 5.1 statistical range DME comprehensive energy consumption including energy production system, auxiliary production system energy consumption and energy production systems subsidiary. It does not include infrastructure, technology Change other projects as well as the amount of energy consumed in the production process and recycling output externally. among them. a) producing energy consumption From the raw materials and energy metered into the DME production apparatus starts, rounded to the metering storage DME dimethyl ether finished product Production processes, including raw material storage area related step, the reaction with distillation region production, product tank and other components of the complete working area work The resulting total energy consumption of various integrated energy calculated Arts and process equipment after actual consumption. Methanol, dimethyl ether raw material included in overall energy consumption energy input, dimethyl ether products are not included in the output of energy. b) an auxiliary energy production system Process for the production of system services, facilities and equipment of total energy consumption. Including electricity, water, gas, heating, cooling, mechanical Total energy repair, instrument repair, lighting, raw materials warehouse and factory space and security, environmental protection facilities and other consumption. c) Affiliated energy production systems Total energy production in the departments and units for the production of services consumed, including offices, operating room, lounge, dressing room, Total energy bath, central control analysis, product testing and maintenance facilities consumption. 5.2 Calculation Method 5.2.1 DME comprehensive energy consumption calculations should be consistent with GB/T 2589's. 5.2.2 DME products should meet the requirements of GB 25035, substandard products not included in the finished production, but the whole energy consumption of substandard products Section included in the total energy consumption in. Methanol feed should meet the requirements of GB 338. 5.2.3 the amount of energy recycling DME production process and the amount of energy output externally, the amount of energy not counted. 5.2.4 DME's energy consumption should be based on the measurement basis. Steam and other energy sources and energy working fluid to enter the production area bounded measurement readings shall prevail. 5.2.5 various energy values should be converted into coal, methanol conversion in accordance 0.7751kgce/kg coal coefficient. All kinds of enterprises in the energy value During the reporting period the measured values prevail. Found no conditions, Appendix A and Appendix B off various energy reference coefficients coal, all kinds of consumption Energy can be off working medium coal reference coefficients. 5.2.6 DME comprehensive energy consumption according to equation (1) is calculated. E = Σ i = 1 ei × pi (1) Where. E --- reporting period DME comprehensive energy consumption in kilograms of standard coal (kgce); The i-th amount of physical energy production systems ei --- During the reporting period, auxiliary production systems and production systems affiliated consumption, including raw materials Methanol; --- PI standard coal off the i-th coefficient of energy. 5.2.7 DME unit energy consumption according to formula (2). e = (2) Where. Period E --- two ether units report energy consumption, in kilograms per tonne of coal (kgce/t); E --- reporting period DME comprehensive energy consumption in kilograms of standard coal (kgce); DME P --- During the reporting period the yield of qualified products, tonnes (t).

6 and energy management measures

6.1 basis of energy conservation management 6.1.1 The enterprise should be in accordance with GB/T 23331 requirements, the establishment of specialized energy management agency, establishment of energy management systems, implementation of management responsibilities, Clear energy management policy and quantitative indicators. 6.1.2 The enterprise should perform GB 17167. Reasonable and equipped with good energy measurement equipment and instrumentation, the measuring equipment in good condition; Basic data of effective detection, measurement and calculation, to ensure accuracy and integrity of the energy data base. 6.1.3 The enterprise should perform GB/T 3484. Scientific and effective organization of energy statistics, to ensure the accuracy and timeliness of energy statistics Sex, good energy consumption and utilization of statistical analysis, regularly published, and make energy statistics management and archiving. 6.1.4 enterprise regularly DME product unit energy consumption assessment, and the assessment indicators break down into the grassroots sector, the establishment of energy Liability regime. 6.2 energy-saving measures Encourage energy-saving measures, such as. a) should designate a waste heat recovery and other energy equipment, to maximize the production process for recycling recoverable energy. b) The enterprise should conduct technological innovation, use of advanced technology, improve production efficiency and energy efficiency. c) The enterprise should be reasonable organization of production, to minimize open, number of stops, increase production capacity and prolong the production cycle. d) enterprises should vigorously develop the circular economy, the use of existing technologies, rational use of renewable resources. 6.3 Monitoring and evaluation Enterprises should strengthen management of energy metering, energy metering regulate behavior, according to the provisions of the supervision and inspection of measuring instruments, at the same time, strengthen energy consumption test Nuclear, strengthen the awareness of energy conservation, energy companies regularly audit and energy efficiency benchmarking.

Appendix A

(Informative) Reference coal off various energy factor table Various energy off the coal reference coefficients are shown in Table A.1. Table A.1 off various energy coal reference coefficient table No. Name Energy average calorific value of coal coefficient Remarks 1 coal 20908kJ/kg (5000kcal/kg) 0.7143kgce/kg 2 coal washing 26344kJ/kg (6300kcal/kg) 0.9000kgce/kg other coal washing Coal washing 8363kJ/kg (2000kcal/kg) 0.2857kgce/kg Slime 8363kJ/kg ~ 12545kJ/kg (2000kcal/kg ~ 3000kcal/kg) 0.2857kgce/kg ~ 0.4286kgce/kg 5 fuel oil 41816kJ/kg (10000kcal/kg) 1.4286kgce/kg 6 resid 41816kJ/kg (10000kcal/kg) 1.4286kgce/kg 7 Gas oil 38931kJ/m3 (9310kcal/m3) 1.3300kgce/m3 8 Gas Field 35544kJ/m3 (8500kcal/m3) 1.2143kgce/m3 9 Thermal (equivalent value) - 0.03412kgce/MJ 10 Power (equivalent value) 3600kJ/(kW · h) [860kcal/(kW · h)] 0.1229kgce/(kW · h) 11 10.0MPa stage steam 3852MJ/t 0.1314kgce/kg 7.0MPa≤p 12 5.0MPa stage steam 3768MJ/t 0.1286kgce/kg 4.5MPa≤p≤7.0MPa 13 3.5MPa stage steam 3684MJ/t 0.1257kgce/kg 3.0MPa≤p≤4.5MPa 14 2.5MPa stage steam 3559MJ/t 0.1214kgce/kg 2.0MPa≤p≤3.0MPa 15 1.5MPa stage steam 3349MJ/t 0.1143kgce/kg 1.2MPa≤p≤2.0MPa 16 1.0MPa stage steam 3182MJ/t 0.1085kgce/kg 0.8MPa≤p≤1.2MPa 17 0.7MPa stage steam 3014MJ/t 0.1029kgce/kg 0.8MPa≤p≤1.2MPa 18 0.3MPa stage steam 2763MJ/t 0.0943kgce/kg 0.3MPa≤p≤0.8MPa 19 < 0.3MPa stage steam 2303MJ/t 0.0786kgce/kg

Appendix B

(Informative) Off various energy working medium coal reference coefficients table Off various energy working medium coal reference coefficients are shown in Table B.1. Table B.1 off various energy working medium coal reference coefficients table Variety No. refrigerant energy consumption per unit energy of coal off coefficient 1 fresh water 2.51MJ/t (600kcal/t) 0.0857kgce/t Soft water 14.23MJ/t (3400kcal/t) 0.4857kgce/t 3 circulating water 4.19MJ/t 0.143kgce/t 4 deoxygenated water 28.45MJ/t (6800kcal/t) 0.9714kgce/t 5 air 1.17MJ/m3 (280kcal/m3) 0.0400kgce/m3 6 blast 0.88MJ/m3 (210kcal/m3) 0.0300kgce/m3 7 Oxygen 11.72MJ/m3 (2800kcal/m3) 0.4000kgce/m3 8 nitrogen (do byproduct) 11.72MJ/m3 (2800kcal/m3) 0.4000kgce/m3 9 nitrogen (shots when Product) 19.66MJ/m3 (4700kcal/m3) 0.6714kgce/m3 10 carbon dioxide 6.28MJ/m3 (1500kcal/m3) 0.2143kgce/m3 11 acetylene 243.67MJ/m3 8.3143kgce/m3 12 carbide 60.92MJ/kg 2.0786kgce/kg

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