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GB 32048-2015: Norm of energy consumption per unit product of ethylene glycol
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Norm of energy consumption per unit product of ethylene glycol
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GB 32048-2015
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Basic data | Standard ID | GB 32048-2015 (GB32048-2015) | | Description (Translated English) | Norm of energy consumption per unit product of ethylene glycol | | Sector / Industry | National Standard | | Classification of Chinese Standard | F01 | | Classification of International Standard | 27.010 | | Word Count Estimation | 9,996 | | Date of Issue | 2015-09-11 | | Date of Implementation | 2016-10-01 | | Quoted Standard | GB/T 2589; GB/T 4649; GB/T 12497; GB/T 12723; GB/T 13462; GB/T 13466; GB 17167; GB 18613; GB 19153; GB 19761; GB 19762; GB 20052; GB/T 23331 | | Regulation (derived from) | National Standard Announcement 2015 No.25 | | 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 glycol unit product energy consumption (energy for short) technical requirements limit, the scope of statistics and calculation methods and energy management measures. This Standard applies to the calculation method of ethylene glycol and synthetic gas production business unit product energy consumption, assessment, as well as new or expansion project of energy control. | GB 32048-2015: Norm of energy consumption per unit product of ethylene glycol---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.
Norm of energy consumption per unit product of ethylene glycol
ICS 27.010
F01
National Standards of People's Republic of China
Energy consumption per unit product of ethylene glycol
Published 2015-09-11
2016-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China issued
Foreword
4.1 and 4.2 of this standard is mandatory, the rest 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, China Petroleum & Chemical Corporation Zhenhai Refining & Chemical Branch, Tongliao Jinmei Chemical
Ltd., Sulzer Shanghai Engineering Machinery Manufacturing Co., Ltd., Ningbo Fu Tak Energy Limited, Kim Yong-Chemical Investment Management Co.,
China PetroChina Sichuan Petrochemical Co., Ltd.
The main drafters of this standard. Guo Xin, Wang Bin, Wang Di, Chen Li, Chun Qiu high, Pei Xing community, Wu Jian, Li Guo Fang, Zhang Longjiang, Zhang Yan, Wang Yongsheng,
Yang Jie, Ma Chuncong, Xu Qingping, Wang Wu, Li Yongliang.
Energy consumption per unit product of ethylene glycol
1 Scope
This standard specifies the energy consumption per unit of product of ethylene glycol (referred to as energy) limit the technical requirements, and the range of statistical calculation, energy tube
And management measures.
This standard applies to calculate energy consumption of ethylene glycol and synthesis gas production process enterprises, evaluation, as well as new or expansion
Energy project 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/T 2589 comprehensive energy consumption computing General
GB/T 4649 Industrial glycol
GB/T 12497 three-phase asynchronous motor economy
GB/T 12723 energy consumption per unit product preparation General
GB/T 13462 power transformer economic operation
GB/T 13466 AC driven fan (pump, air compressor) General economic operation system
GB 17167 energy use per unit of energy measurement apparatus equipped and General Management
GB 18613 sized three-phase asynchronous motor energy efficiency limit value and energy efficiency rating
GB 19153 displacement air compressor energy efficiency and energy efficiency level limit value
GB 19761 fan efficiency limit value and energy efficiency rating
GB 19762 water pump energy efficiency limit value and energy evaluation
GB 20052-phase distribution transformer efficiency limit value and energy efficiency rating
GB/T 23331 Energy Management System Requirements
3 Terms and Definitions
GB/T 12723 defines the following terms and definitions apply to this document.
3.1
Ethylene comprehensive energy consumption comprehensiveenergyconsumptionofethyleneglycol
During the reporting period, the total ethylene production process of various energy actually consumed.
3.2
Ethylene comprehensive energy consumption per unit of product comprehensiveenergyconsumptionperunitproductofethyleneglycol
Ethylene glycol products to overall energy consumption per unit of production represented.
3.3
Ethylene productionprocessofethylenemethod
Ethylene and oxygen as main raw material, the epoxidation reaction, carbon dioxide removal and recovery of ethylene oxide, propylene oxide purification and storage, B
And recovering the diol, ethylene glycol purification and storage processes in the system in routing product glycol.
3.4
Method syngas productionprocessofsyngasmethod
Carbon monoxide and hydrogen as main raw materials, by the hydrogenation of oxalate synthesis, dimethyl oxalate, ethylene glycol purification and storage processes in the system
MEG technology products.
4. Technical Requirements
4.1 glycol unit energy consumption limit
Conventional ethylene glycol unit defining unit energy values to comply with Table 1.
Table 1 defines the unit energy consumption value glycol
Routing comprehensive energy consumption per unit of product/(kgce/t)
Ethylene ≤500
Method syngas ≤1430
4.2 glycol unit product energy access value
New or expansion glycol unit access unit energy values to comply with Table 2.
Table 2 Glycol access unit energy value
Routing comprehensive energy consumption per unit of product/(kgce/t)
Ethylene ≤430
Method syngas ≤1120
Ethylene glycol unit product energy consumption advanced 4.3 value
Ethylene glycol unit energy consumption per unit of product value should be advanced in accordance with Table 3.
Table 3 glycol unit product energy consumption advanced value
Routing comprehensive energy consumption per unit of product/(kgce/t)
Ethylene ≤230
Method syngas ≤1045
Statistical methods and calculation range 5
5.1 statistical range
Statistics 5.1.1 glycol product range includes comprehensive energy consumption energy production system, auxiliary production system energy consumption and energy production systems subsidiary.
among them.
a) producing energy consumption
Energy production system comprises ethylene epoxidation reaction, carbon dioxide removal and recovery of ethylene oxide, propylene oxide purification and storage, ethylene
And the step of recovering energy alcohol, ethylene glycol purification and storage. Energy production of synthesis gas system comprising a synthetic oxalate, dimethyl oxalate
Energy step hydrogenation of esters, glycol refining and storage.
b) an auxiliary energy production system
Power production systems and services, mechanical repair, water, gas, heating, cooling, meter repair, lighting, warehouse and factory sites, and security materials
Full energy consumption, environmental protection and energy saving equipment and facilities.
c) Affiliated energy production systems
Production systems specially configured for the control room, office, operating room, control room, lounge, locker rooms, baths, central control analysis, product inspection
Energy facility inspection, maintenance workers and other segments.
5.1.2 recycling waste heat generated during the production of ethylene glycol, and the chemical reaction heat than can not be included in the energy. If the heat and energy
And the like other than the chemical reaction heat 5.1.1 Statistics for other devices using the range, the actual utilization of energy should be deducted from the system.
5.1.3 energy consumption statistics, accounting should include the various production processes and systems should neither repeat nor should total leakage.
5.2 Calculation Method
5.2.1 calculate overall energy consumption should be consistent with the provisions of GB/T 2589's.
5.2.2 heat value of the fuel metering unit equivalent kgce (kgce) is uniform. Calorific value of energy to various enterprises in the reporting period
Found within the subject, there is no actual conditions, can be found in Appendix A or Appendix B given off various energy conversion coefficient of coal reference.
5.2.3 of this standard ethylene glycol production enterprise reporting period means that the catalyst life cycle, the calculated overall energy consumption per unit of catalyst
Cycle Mean agent.
5.2.4 glycol qualified products should meet the GB/T 4649 of quality, product yield equivalents ethylene oxide using the present standard
Amount calculation method in Appendix C; product yield synthesis gas law glycol qualified physical production volume.
5.2.5 glycol comprehensive energy consumption by the formula (1).
E = Σ
i = 1
(Eis × Ki) Σ
j = 1
(Ejf × Kj) -Σ
r = 1
(Erh × Kr) (1)
Where.
E --- comprehensive energy consumption value, in units of kg coal (kgce);
The number of types of energy production system input --- m;
Physical energy amount EIS --- i-th input of the ethylene production system;
Production systems ki --- i-th input energy conversion coefficient of coal;
--- n-assisted production system, the number of types of energy input subsidiary production systems;
ejf --- glycol product auxiliary production system, the amount of physical energy subsidiary j th input production systems;
KJ --- auxiliary production system, the production system subsidiary j th input energy conversion coefficient of coal;
L --- Production process for the recovery and the number of types of energy use means outside the scope of the statistics;
ERH --- ethylene glycol production process for the recovery of energy and the r physical quantities for use outside the statistical range of the device;
KR --- Production process for the recovery of the r and energy use means outside the statistical range of coal conversion coefficient.
5.2.6 glycol comprehensive energy consumption per unit of product (E), equal to ethylene glycol during the reporting period by dividing the integrated energy production during the reporting period, to the value
Kg coal per ton (kgce/t), calculated according to formula (2).
e =
(2)
Where.
Numerical E --- glycol comprehensive energy consumption per unit of product, in kilograms per tonne of coal (kgce/t);
E --- glycol comprehensive energy consumption value of the reporting period, expressed in kg of coal (kgce);
P --- product output, tonnes (t).
6 and energy management measures
6.1 basis of energy conservation management
6.1.1 Enterprises in accordance with GB/T 23331 requirements, the establishment of specialized energy management agency, establishment of energy management systems, implementation of management responsibilities, Ming
Indeed energy management policy and quantitative indicators.
6.1.2 The energy business should be equipped with measuring instruments according to the requirements of GB 17167 and the establishment of energy measurement management systems.
6.1.3 Enterprises should be required to establish energy consumption statistics system, the establishment of the energy consumption test data, energy calculation and assessment of the results of document files, and text
Pieces of a controlled management.
6.2 energy-saving technology management
6.2.1 Economic Operation
Production equipment used in general should reach the state of the economy, economic operation and management of the motor should be consistent with GB/T 12497
Regulations; economic operation and management of fans, pumps and air compressors shall comply with GB/T 13466; the economy of power transformers
Operation and management should be consistent with GB/T 13462 of. A variety of network transmission medium, should comply with the relevant standards and technical requirements, and to strengthen the peacekeeping
Care management, to prevent run, run, drip, leak phenomenon.
6.2.2 Energy Saving Technology
Measures to encourage the use of energy-saving technologies, such as.
a) Closed steam condensate recovery techniques;
b) Multi-effect distillation technique;
c) distillation column having a column should be used in advanced technology, to effectively improve the separation efficiency drop through the entire column, reducing the pressure drop operation, etc.
Low steam consumption;
d) tower reboiler key using a falling film reboiler.
6.2.3 energy-consuming equipment management
In order to improve the level of energy, energy-consuming equipment to take the following companies deal with technical management measures.
a) The enterprise should improve the energy efficiency of the motor system of the general-purpose equipment, with the elimination of high energy efficient equipment update energy-consuming equipment;
b) greater than the operating time of the apparatus 3000h, the motor can reach the level of the effect evaluation value saving GB 18613;
c) water pump effect can reach the level of the evaluation value of energy GB 19762;
d) Effect of the ventilator can reach the level of the evaluation value saving GB 19761;
e) effects displacement air compressors can reach the level of the evaluation value of energy GB 19153;
f) enterprises should improve the energy efficiency of the power distribution device, it can reach the level of the distribution transformer effect evaluation value saving GB 20052;
g) enterprises should improve the energy efficiency of the illumination system, the choice of the energy efficiency related value reaches evaluating values of energy efficiency standards for lighting products.
Appendix A
(Informative)
Reference coal off various energy factor table
Off various energy coal reference coefficients in Table A.1.
Table A.1 off various energy coal reference coefficients table
The average calorific energy name off standard coal coefficient
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
Diesel 42652kJ/kg (10200kcal/kg) 1.4571kgce/kg
LPG 50179kJ/kg (12000kcal/kg) 1.7143kgce/kg
Gas oil 38931kJ/m3 (9310kcal/m3) 1.3300kgce/m3
Gas Field 35544kJ/m3 (8500kcal/m3) 1.2143kgce/m3
Coke oven gas
16726kJ/m3 ~ 17981kJ/m3
(4000kcal/m3 ~ 4300kcal/m3)
0.5714kgce/m3 ~ 0.6143kgce/m3
Power (eq)
3600kJ/(kW · h)
[860kcal/(kW · h)]
0.1229kgce/(kW · h)
10.0MPa stage steam (P≥7.0MPa) 3852MJ/t (920Mcal/t) 0.1314kgce/kg
Stage steam 5.0MPa (4.5MPa≤P < 7.0MPa) 3768MJ/t (900Mcal/t) 0.1286kgce/kg
Stage steam 3.5MPa (3.0MPa≤P < 4.5MPa) 3684MJ/t (880Mcal/t) 0.1257kgce/kg
Stage steam 2.5MPa (2.0MPa≤P < 3.0MPa) 3559MJ/t (850Mcal/t) 0.1214kgce/kg
Stage steam 1.5MPa (1.2MPa≤P < 2.0MPa) 3349MJ/t (800Mcal/t) 0.1143kgce/kg
Stage steam 1.0MPa (0.8MPa≤P < 1.2MPa) 3182MJ/t (760Mcal/t) 0.1086kgce/kg
Stage steam 0.7MPa (0.6MPa≤P < 0.8MPa) 3014MJ/t (720Mcal/t) 0.1029kgce/kg
Stage steam 0.3MPa (0.3MPa≤P < 0.6MPa) 2763MJ/t (660Mcal/t) 0.0943kgce/kg
< 0.3MPa stage steam 2303MJ/t (550Mcal/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
Energy consumption per unit energy working medium varieties of coal off coefficient
Fresh water 2.51MJ/t (600kcal/t) 0.0857kgce/t
Demineralized water 14.23MJ/t (3400kcal/t) 0.4857kgce/t
Circulating water 4.19MJ/t (1000kcal/t) 0.1428kgce/t
Nitrogen a (shots when Product) 19.66MJ/m3 (4700kcal/t) 0.6714kgce/m3
Non-purified air a 1.17MJ/m3 (280kcal/t) 0.0400kgce/m3
Compressed air purifying a 1.59MJ/m3 (380kcal/t) 0.0543kgce/m3
Steam condensate b 320.29MJ/t (77Mcal/t) 10.9286kgce/t
Frozen amount (-5 ℃ cold) 0.80MJ/MJ 0.0271kgce/MJ
It refers to a gas volume 0 ℃, volume at 0.101325MPa state.
b refers to the heating device condensate produced.
Appendix C
(Informative)
Calculation equivalents ethylene oxide production
Yield calculated as equivalents of ethylene oxide of formula (C.1).
EOE = MEG × 0.71 DEG × 0.83 TEG × 0.878 EO (C.1)
Where.
--- the EOE equivalents ethylene oxide production, tonnes (T);
MEG --- monoethylene glycol production of qualified products, tonnes (t);
DEG --- diethylene glycol qualified products production, tonnes (t);
TEG --- triethyleneglycol qualified products production, tonnes (t);
--- EO ethylene oxide production, tonnes (t).
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