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GB 31534-2015: The norm of energy consumption per unit product of p-xylene
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The norm of energy consumption per unit product of p-xylene
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Basic data
Standard ID: GB 31534-2015 (GB31534-2015)
Description (Translated English): The norm of energy consumption per unit product of p-xylene
Sector / Industry: National Standard
Classification of Chinese Standard: F01
Classification of International Standard: 27.010
Word Count Estimation: 8,883
Date of Issue: 2015-05-15
Date of Implementation: 2016-06-01
Quoted Standard: GB/T 2589; 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; SH/T 1486.1-2008
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 naphtha, hydrocracker gasoline as the main raw material to produce paraxylene unit product energy consumption (the energy) the technical requirements of quotas, statistical coverage and calculation methods and energy management measures. This Standard applies to the calculation of production of para-xylene as the main products of the enterprise unit product energy consumption, assessment, as well as new or renovation and expansion project of energy control.
GB 31534-2015: The norm of energy consumption per unit product of p-xylene
---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.
The norm of energy consumption per unit product of p-xylene
ICS 27.010
F01
National Standards of People's Republic of China
Xylene 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, CNOOC Huizhou refinery refining subsidiary, Fujian Refining and Petrochemical Co., Ltd., Sheng Yi
Dahua Petrochemical Co., Ltd., China National Petroleum Corporation Urumqi Petrochemical Company, China Sinopec Yangzi Petrochemical Co.
the company.
The main drafters. Blue Xiaoguang, Yufu Hai, Xu Qingping, Mei Zhipeng, Zhang Longjiang, Hou Zhang expensive, Wu Tengshou, Yang Shengdong, Fu Qiang, YAT
Zhao Li, Wang Wu, Li Yongliang.
Xylene energy consumption per unit product
1 Scope
This standard specifies naphtha, hydrocracked gasoline as the main raw material, the production of energy consumption per unit of product p-xylene (the energy consumption) limits
The amount of the technical requirements, the scope of statistics and computational methods, energy conservation and management measures.
This standard applies to calculate the production of para-xylene as the main product unit energy consumption of the enterprise, assessment, as well as new or renovation and expansion items
Energy control purposes.
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 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 management and computing appliances with General
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
SH/T 1486.1-2008 oil paraxylene
3 Terms and Definitions
GB/T 12723 defines the following terms and definitions apply to this document.
3.1
Paraxylene comprehensive energy consumption thecomprehensiveenergyconsumptionofproductp-xylene
During the reporting period, the total amount of all kinds of energy para-xylene production process actually consumed.
3.2
Paraxylene comprehensive energy consumption per unit of product thecomprehensiveenergyconsumptionperuintproductofp-xylene
Comprehensive energy consumption per unit of production of para-xylene product representation.
4. Technical Requirements
4.1 pairs of the unit energy consumption limit xylene
Means conventional paraxylene unit energy should not exceed the limit value 700kgoe/t.
4.2 pairs of xylene unit product energy access value
New or expansion paraxylene product energy value means access units should not exceed 530kgoe/t.
4.3 pairs of xylene advanced energy consumption per unit of product value
Means energy consumption per unit of production xylene advanced value should not exceed 500kgoe/t.
Statistical methods and calculation range 5
5.1 statistical range
5.1.1 Xylene comprehensive energy consumption including energy production system, auxiliary production system energy consumption and energy production systems subsidiary.
a) producing energy consumption
It comprises a pre-hydrogenation unit, a reformer unit, extraction unit, a fractionation unit xylene, toluene disproportionation and transalkylation unit, the adsorptive separation
The main energy consumption of the production process and isomerization unit cell and the like.
b) an auxiliary energy production system
It includes a process for the production of system services, facilities and equipment, mainly for the power supply, machine repair, water, gas, heating, cooling, Miriam
Repair, lighting energy, raw materials warehouse and factory space and security, environmental protection, energy consumption and other facilities.
c) Affiliated energy production systems
Departments and units of the production system specially configured production control system (factory) and the plant area for the production of services, primarily for scheduling
Energy facility room, office, operating room, control room, lounge, locker rooms, baths, central control analysis, product testing, maintenance workers and other segments
Source consumption.
5.1.2 paraxylene recovery using waste heat generated in the process, chemical reaction heat and I can not be included in the energy. If the waste heat, residual
And the like capable of chemical reaction heat utilization by other means, it should be deducted from the actual utilization of energy in this system.
5.1.3 Energy consumption statistics, accounting should include the various production processes and systems should neither repeat, nor omission.
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, there is no actual conditions, refer to Appendix A or Appendix B in the reference oil standards off various energy conversion coefficient.
The total overall energy consumption of various energy-xylene 5.2.3 (E) is equal to the consumption of the production process, the total outward subtracting various energy output
Amount, the standard value in kilograms oil (kgoe), calculated according to formula (1).
E = Σ
i = 1
(Ei × Ki) -Σ
j = 1
(Ej × Kj) (1)
Where.
--- E-xylene product of the value of the overall energy consumption in kilograms of standard oil (kgoe);
EI --- i-th physical quantity of energy consumed in the production of para-xylene;
EJ --- Energy j th physical quantity paraxylene production process output;
Ki --- i-th coefficient of the input energy off of standard oil;
KJ --- j th output energy Standard Oil off coefficient;
M --- Number of kinds of energy input;
--- n-number of types of energy outputs.
Xylene comprehensive energy consumption per unit of product 5.2.4 (e), the reporting period is equal to the overall energy consumption divided by the product of p-xylene paraxylene reporting period
Yield value in kg standard oil per ton (kgoe/t), calculated according to formula (2).
e =
(2)
Where.
E --- paraxylene value of comprehensive energy consumption per unit of product, in kilograms of standard oil per ton (kgoe/t);
P --- p-xylene qualified products (to be consistent with SH/T 1486.1-2008 requirements) physical production, tonnes (t).
6 and energy management measures
6.1 basis of energy conservation management
6.1.1 should be established in accordance with GB/T 23331 energy management system, standardize energy management, continuous improvement of energy efficiency.
6.1.2 shall be equipped with energy measuring instruments according to the requirements of GB 17167, establish and improve the energy measurement management system to ensure basic energy data
The accuracy and completeness.
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) heat integration and heat integration techniques;
b) low-temperature heat exchanger pinch internet;
c) furnace flue gas heat recovery, use of technology;
d) transfer efficiency separation, heat exchange of mass and heat transfer technology;
e) the efficient use of new catalysts, adsorbents replacement agents and clay, to reduce energy consumption process;
f) a low temperature heat recovery, low pressure steam, low temperature hot water power generation technology.
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.
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. Can effect the motor up
GB 18613 to the energy level of the evaluation value; clean water centrifugal pump can reach the level of energy-saving effect evaluation value 19762 GB ; fan energy
Effect evaluation value reaches the level of energy 19 761 GB ; air compressor can effect the volumetric energy evaluation value reaches 19153-GB
Level.
Enterprise should improve the energy efficiency of the power distribution device, it can reach the level of the distribution transformer effect evaluation value GB 20052 saving.
Enterprises should improve the energy efficiency of the lighting system, the choice of the value of energy efficiency to meet the relevant energy efficiency standards for energy-saving evaluation value of lighting products.
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 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
Number average calorific variety of standard oil off kg coefficient Remarks
An electrical (equivalent value) 3600kJ/(kW · h) [860kcal/(kW · h)] 0.086kgoe/(kW · h)
2 Standard Oil a 41868MJ/t (10000Mcal/t) 1000kgoe/t
3 coal 29308MJ/t (7005Mcal/t) 700kgoe/t
4 fuel gas 39775MJ/t (9506Mcal/t) 950kgoe/t
5 fuel oil 41816MJ/t (10000Mcal/t) 1000kgoe/t
6 LPG 50179MJ/t (11993Mcal/t) 1200kgoe/t
7 LNG 51415MJ/t (12288Mcal/t) 1230kgoe/t
8 gasoline 43124MJ/t (10307Mcal/t) 1030kgoe/t
9 Kerosene 43124MJ/t (10307Mcal/t) 1030kgoe/t
10 diesel 42705MJ/t (10206Mcal/t) 1020kgoe/t
11 Industrial coke 33494MJ/t (8005Mcal/t) 800kgoe/t
12 10.0MPa stage steam 3852MJ/t (921Mcal/t) 92kgoe/t 7.0MPa≤pb
13 5.0MPa stage steam 3768MJ/t (900Mcal/t) 90kgoe/t 4.5MPa≤p < 7.0MPa
14 3.5MPa stage steam 3684MJ/t (880Mcal/t) 88kgoe/t 3.0MPa≤p < 4.5MPa
15 2.5MPa stage steam 3559MJ/t (851Mcal/t) 85kgoe/t 2.0MPa≤p < 3.0MPa
16 1.5MPa stage steam 3349MJ/t (800Mcal/t) 80kgoe/t 1.2MPa≤p < 2.0MPa
17 1.0MPa stage steam 3182MJ/t (763Mcal/t) 76kgoe/t 0.8MPa≤p < 1.2MPa
18 0.7MPa stage steam 3014MJ/t (720Mcal/t) 72kgoe/t 0.6MPa≤p < 0.8MPa
19 0.3MPa stage steam 2763MJ/t (660Mcal/t) 66kgoe/t 0.3MPa≤p < 0.6MPa
20 < 0.3MPa stage steam 2303MJ/t (550Mcal/t) 55kgoe/t
21 10 ℃ ~ 16 ℃ cold 0.42MJ (100Mcal) 0.010kgoe/MJ sensible heat cold
22 5 ℃ cold 0.67MJ (160Mcal) 0.016kgoe/MJ cooling phase the amount of
23 0 ℃ cold 0.75MJ (180Mcal) 0.018kgoe/MJ cooling phase the amount of
24 -5 ℃ cold 0.80MJ (190Mcal) 0.019kgoe/MJ cooling phase the amount of
25 -10 ℃ cold 0.88MJ (210Mcal) 0.021kgoe/MJ cooling phase the amount of
26 -15 ℃ cold 1.00MJ (240Mcal) 0.024kgoe/MJ cooling phase the amount of
a fuel which should be translated into standard calorific oil;
b steam pressure means gauge pressure.
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
Variety No. of energy consumption per unit energy working fluid off coefficient kg standard reference oil
1 fresh water 6.28MJ/m3 (1500kcal/m3) 0.15kgoe/t GB/T 50441-2007
2 demineralized water 10.47MJ/t (2500kcal/t) 0.25kgoe/t GB/T 50441-2007
3 demineralized water 96.30MJ/t (23015kcal/t) 2.30kgoe/t GB/T 50441-2007
4 deoxygenated water 385.19MJ/t (92060kcal/t) 9.20kgoe/t GB/T 50441-2007
5 and condensing condensate 152.81MJ/t (36521kcal/t) 3.65kgoe/t GB/T 50441-2007
6 the heating device condensate 320.29MJ/t (76549kcal/t) 7.65kgoe/t GB/T 50441-2007
7 circulating water 4.19MJ/t (1001kcal/t) 0.10kgoe/t GB/T 50441-2007
8 compressed air (purge) 1.59MJ/m3 (380kcal/m3) 0.038kgoe/m3 GB/T 50441-2007
9 compressed air (non-purified) 1.17MJ/m3 (280kcal/m3) 0.028kgoe/m3 GB/T 50441-2007
10 nitrogen 6.28MJ/m3 (1500kcal/m3) 0.15kgoe/m3 GB/T 50441-2007
......
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