GB 32053-2015 English PDF

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GB 32053-2015: Norm of energy consumption per unit product of styrene monomer
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Basic data

Standard ID: GB 32053-2015 (GB32053-2015)
Description (Translated English): Norm of energy consumption per unit product of styrene monomer
Sector / Industry: National Standard
Classification of Chinese Standard: F01
Classification of International Standard: 27.010
Word Count Estimation: 9,990
Date of Issue: 2015-09-11
Date of Implementation: 2016-10-01
Quoted Standard: GB/T 2589; GB/T 3915; GB/T 12497; GB/T 12723; GB/T 13462; GB/T 13466; GB/T 14491; 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 styrene 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 dehydrogenation of ethylbenzene (ethylene pure, dry gas method) and calculation of total oxidation of styrene production business unit product energy consumption, assessment, as well as new or expansion project of energy control.

GB 32053-2015: Norm of energy consumption per unit product of styrene monomer

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Norm of energy consumption per unit product of styrene monomer ICS 27.010 F01 National Standards of People's Republic of China Styrene energy consumption per unit product 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 National Petroleum Corporation Dushanzi Petrochemical Company, the Hai Suer Life Construction Machinery Manufacturing Co., Ltd., CNOOC and Shell Petrochemicals Company Limited, China Sinopec Shanghai Petrochemical Research Institute, Jiangsu Li Shide of Engineering Co., Ltd., North Huajin Chemical Industry Co., Ltd., Shaanxi Yanchang Petroleum (Group) Co., Ltd., Xinyang Technology Group. The main drafters. Miao Changxi, Zhang Yan, Huang Xiangqi, Chen Li, Tao Jianhong, Qi Xiangwei, Tang rule Fang, Chen Mei, Zhao Wanming, Fang Yonghua, Guo new chapter Longjiang, Xu Qingping, Hong Jun Tao, Liu Wenjie, Zhang Tao, Lei Jin, Xu Qin Li, Wang Wu, Li Yongliang. Styrene energy consumption per unit product

1 Scope

This standard specifies the energy consumption per unit of product of styrene (referred to as energy) limit the technical requirements, and the range of statistical calculation, energy tube And management measures. This calculation method is applicable to the dehydrogenation of ethylbenzene (ethylene pure, dry gas process) and styrene co-production of oxidation products business unit energy consumption test Nuclear, energy consumption and control of new or renovation and expansion project.

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 3915 for industrial use 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/T 14491 Industrial propylene oxide 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 Styrene comprehensive energy consumption comprehensiveenergyconsumptionofstyrenemonomer During the reporting period, the total amount of all kinds of energy styrene production process actually consumed. 3.2 Styrene comprehensive energy consumption per unit of product comprehensiveenergyconsumptionperunitproductofstyrenemonomer Styrene products to comprehensive energy consumption per unit of production represented. 3.3 Pure ethylene productionprocessofpureethylenemethod Benzene and ethylene as raw material, by alkylation of ethylbenzene production routes. 3.4 Dry gas process productionprocessofdiluteethylenemethod Refined benzene and dry gas after desulfurization was synthesized by alkylation of ethylbenzene production routes. 3.5 Ethylbenzene dehydrogenation productionprocessofethylbenzenedehydrogenationmethod By pure ethylene or dry gas obtained after Method ethylbenzene, ethylbenzene dehydrogenation to styrene route preparation process. 3.6 Total oxidation PO/SMco-productionmethod Benzene and ethylene to form ethylbenzene as feedstock the reaction, reacting with air ethylbenzene Ethylbenzene hydroperoxide, ethylbenzene hydroperoxide is reacted with propene Generating methylbenzyl alcohol and propylene (co-product), methylbenzyl alcohol from dehydration styrene routing. 4. Technical Requirements 4.1 styrene unit energy consumption limit Existing styrene production facility unit energy consumption values should meet the requirements defined in Table 1. Table 1 Styrene unit energy consumption limit Routing comprehensive energy consumption per unit of product/(kgoe/t) Dehydrogenation of ethylbenzene Pure ethylene ≤375 Dry gas process ≤590 Total oxidation ≤320 4.2 styrene unit product energy access value New or expansion styrene production facility access unit energy values to comply with Table 2. TABLE 2 Styrene access unit energy value Routing comprehensive energy consumption per unit of product/(kgoe/t) Dehydrogenation of ethylbenzene Pure ethylene ≤285 Dry gas process ≤485 Total oxidation ≤320 Styrene unit product energy consumption advanced 4.3 value Styrene production unit energy consumption per unit of product value should be advanced in accordance with Table 3. Table 3 styrene unit product energy consumption advanced value Routing comprehensive energy consumption per unit of product/(kgoe/t) Dehydrogenation of ethylbenzene Pure ethylene ≤264 Dry gas process ≤435 Total oxidation ≤270 Statistical methods and calculation range 5 5.1 statistical range Statistics 5.1.1 styrene product range includes comprehensive energy consumption of energy production system, auxiliary production system energy consumption and energy production systems subsidiary. among them. a) producing energy consumption Energy production of ethylbenzene dehydrogenation process systems include benzene and ethylene or alkylation unit a dry gas refining, refining unit ethylbenzene, benzene and ethylbenzene dehydrogenation unit Consumption of ethylene distillation process unit or the like. Total energy production system comprises ethylbenzene oxidation unit, ethylbenzene oxide units, propylene oxide units epoxidation, methyl benzyl alcohol dehydration Process energy produced styrene units, upgrading units, etc. 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 If the ethylbenzene is present as part of the outer or goods takeout apparatus for other use, and did not continue for the preparation of styrene, the system should be in the Total energy per unit when calculating the overall energy consumption of styrene, ethylbenzene deduct this part of the production process actually consumed. 5.1.3 recycling of waste heat generated in the production process of styrene, chemical reaction heat and I 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. 5.1.4 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 Thermal energy values are translated into a unified standard unit of measurement kg oil (kgoe). Calorific value of energy to various enterprises in the reporting period Calorific value of the measured subject, the condition is not found, see Appendix A or Appendix B energy given off various standard reference oil coefficient Conversion. 5.2.3 styrene qualified products should meet the quality requirements GB/T 3915, and the present standard oxidation product yield CCP styrene PRODUCTS (To be referred to GB/T 3915 standard), and the product yields of propylene oxide (shall refer to GB/T 14491 standard) of the sum. 5.2.4 styrene comprehensive energy consumption according to equation (1) is calculated. E = Σ i = 1 (Eis × Ki) Σ j = 1 (Ejf × Kj) -Σ r = 1 (Erh × Kr) (1) Where. --- integrated energy value E, in kilograms of standard oil (kgoe); Physical energy amount EIS --- i-th input styrene production system; ejf --- styrene products auxiliary production system, the amount of physical energy subsidiary j th input production systems; ERH --- styrene production process for the recovery of energy and the physical amount of r-use means outside the scope of the statistics; I ki --- Production System Standard Oil types of input energy conversion factor; KJ --- auxiliary production system, the production system subsidiary j th input energy conversion coefficient of standard oil; KR --- Production process for the recovery of the r and energy use means outside the scope of the statistical standard oil conversion coefficient; The number of types of energy production system input --- m; --- n-assisted production system, the number of types of energy input subsidiary production systems; L --- Production process for the recovery and the number of types of energy use means outside the statistical range. 5.2.5 styrene comprehensive energy consumption per unit of product (E), styrene is equal to the overall energy consumption during the reporting period by dividing the yield of styrene reporting period, to the value Kg standard oil per ton (kgoe/t), calculated according to formula (2). e = (2) Where. Numerical E --- overall energy consumption of the styrene unit, in kilograms of standard oil per ton (kgoe/t); P --- product output, 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 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. 6.1.3 The energy business should be equipped with measuring instruments according to the requirements of GB 17167 and the establishment of energy measurement management systems. 6.2 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. 6.2.2 Energy Saving Technology Measures to encourage the use of energy-saving technologies, such as. a) strengthen key holding apparatus, and superheated steam oven, and the like dehydrogenation reactor temperature dehydrogenation unit pipeline, reducing heat loss, and energy consumption; b) Steam consumption step should adopt new technologies, to improve process efficiency and reduce steam consumption. The dehydrogenation process uses a low water/oil ratio operation, reducing Steam consumption; c) using a double column distillation process coupled styrene azeotropic heat recovery process or high and low, decrease of the steam, cooling water consumption; d) styrene during distillation column should be used having advanced technology, by improving the overall efficiency in the separation column, reducing the pressure drop operation, etc. Effectively reduce steam consumption; e) recycling the steam condensate to strengthen their residual heat; f) to strengthen the superheated steam and the exhaust gas outlet of the compressor furnace flue gas waste heat recovery materials, to reduce power consumption. 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 Standard Oil off various energy factor table Standard Oil off various energy reference coefficients in Table A.1. Table A.1 off various energy factor table reference oil standards The average calorific energy name off standard coal off the oil factor coefficients Methane hydrogen 41868kJ/kg (10000kcal/kg) 1.4286kgce/kg 1.0000kgoe/kg Refinery gas 39775kJ/kg (9500kcal/kg) 1.3572kgce/kg 0.950kgoe/kg Gas Field 35588kJ/m3 (8500kcal/m3) 1.2143kgce/m3 0.850kgoe/m3 Tar 41868kJ/kg (10000kcal/kg) 1.4286kgce/kg 1.0000kgoe/kg Fuel 41868kJ/kg (10000kcal/kg) 1.4286kgce/kg 1.0000kgoe/kg Power (equivalent value) 3600kJ/(kW · h) [860kcal/(kW · h)] 0.1229kgce/(kW · h) 0.086kgoe/(kW · h) 10.0MPa stage steam (P≥7.0MPa) 3852MJ/t (920Mcal/t) 0.1314kgce/kg 0.0920kgoe/kg 5.0MPa stage steam (4.5MPa≤P < 7.0MPa) 3768MJ/t (900Mcal/t) 0.1286kgce/kg 0.0900kgoe/kg 3.5MPa stage steam (3.0MPa≤P < 4.5MPa) 3684MJ/t (880Mcal/t) 0.1257kgce/kg 0.0880kgoe/kg 2.5MPa stage steam (2.0MPa≤P < 3.0MPa) 3559MJ/t (850Mcal/t) 0.1214kgce/kg 0.0850kgoe/kg 1.5MPa stage steam (1.2MPa≤P < 2.0MPa) 3349MJ/t (800Mcal/t) 0.1143kgce/kg 0.0800kgoe/kg 1.0MPa stage steam (0.8MPa≤P < 1.2MPa) 3182MJ/t (760Mcal/t) 0.1086kgce/kg 0.0760kgoe/kg 0.7MPa stage steam (0.6MPa≤P < 0.8MPa) 3014MJ/t (720Mcal/t) 0.1029kgce/kg 0.0720kgoe/kg 0.3MPa stage steam (0.3MPa≤P < 0.6MPa) 2763MJ/t (660Mcal/t) 0.0943kgce/kg 0.0660kgoe/kg < 0.3MPa stage steam 2303MJ/t (550Mcal/t) 0.0786kgce/kg 0.0550kgoe/kg

Appendix B

(Informative) Working fluid off various energy factor table reference standard oil Off various energy refrigerant oil standard reference coefficients are shown in Table B.1. Table B.1 off various energy working medium standard reference oil coefficient table Energy consumption per unit energy working medium variety of standard oil off coefficient Fresh water 7.12MJ/t (1700kcal/t) 0.17kgoe/t Demineralized water 10.47MJ/t (2500kcal/t) 0.25kgoe/t Circulating water 4.19MJ/t (1000kcal/t) 0.10kgoe/t Demineralized water 96.3MJ/t (23Mcal/t) 2.30kgoe/t Deoxygenated water 385.19MJ/t (92Mcal/t) 9.2kgoe/t Nitrogen a 6.28MJ/m3 (1500kcal/t) 0.15kgoe/m3 Non-purified air a 1.17MJ/m3 (280kcal/t) 0.028kgoe/m3 Compressed air purifying a 1.59MJ/m3 (380kcal/t) 0.038kgoe/m3 Steam condensate b 320.29MJ/t (77Mcal/t) 7.65kgoe/t Frozen amount (5 ℃ cold) 0.67MJ/MJ 0.016kgoe/MJ Frozen amount (0 deg.] C cold) 0.75MJ/MJ 0.018kgoe/MJ Frozen amount (-5 ℃ cold) 0.80MJ/MJ 0.019kgoe/MJ It refers to a gas volume 0 ℃, volume at 0.101325MPa state. b means a heat transfer device produced condensate. ......

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