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GB 31533-2015: The norm of energy consumption per unit product of pure terephthalic acid
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The norm of energy consumption per unit product of pure terephthalic acid
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Basic data
Standard ID: GB 31533-2015 (GB31533-2015)
Description (Translated English): The norm of energy consumption per unit product of pure terephthalic acid
Sector / Industry: National Standard
Classification of Chinese Standard: F01
Classification of International Standard: 27.010
Word Count Estimation: 8,847
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 1612.1
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 production of purified terephthalic acid (pure terephthalic acid, Acronym PTA) unit product energy consumption (the energy) the technical requirements of quotas, statistical coverage and calculation methods and energy management measures. This Standard applies to p-xylene as raw material by oxidation, computing, the company refined the production of PTA unit product energy consumption, assessment, as well as new or renovation and expansion project of energy control.
GB 31533-2015: The norm of energy consumption per unit product of pure terephthalic acid
---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 pure terephthalic acid
ICS 27.010
F01
National Standards of People's Republic of China
PTA 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
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, the grand Plaza Petrochemical Co., Ltd., Xianglu Petrochemical Co., Ltd., China Kunlun workers
Cheng company, Shaoxing Far East Petrochemical Co., Ltd., Oriental Petrochemical (Shanghai) Co., Ltd., China Sinopec Yizheng Chemical Fiber Company Limited.
The main drafters. Yao Hongjiang, Yang Shengdong, Zhao Li, Luo Wende, Du Jun, Liu Yu, Ma Qingchun, Xu Qingping, Wang Ying Chi, Jiangmei Zhen,
Li Lijun, Li Jin, Wang Wu, Li Yongliang.
PTA energy consumption per unit product
1 Scope
This standard specifies the production of purified terephthalic acid (pureterephthalicacid, abbreviated PTA) per unit energy consumption (energy consumption for short)
Technical requirements limit, the scope of statistics and computational methods, energy conservation and management measures.
This standard applies to p-xylene as a starting material, by calculating the oxidation, energy consumption of refining producing PTA production enterprises, 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 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
SH/T 1612.1 purified terephthalic acid for industrial use
3 Terms and Definitions
GB/T 12723 defines the following terms and definitions apply to this document.
3.1
PTA comprehensive energy consumption thecomprehensiveenergyconsumptionofPTA
During the reporting period, the total PTA production process of various energy actually consumed.
3.2
PTA comprehensive energy consumption per unit of product thecomprehensiveenergyconsumptionperunitproductofPTA
PTA products to comprehensive energy consumption per unit of production represented.
4. Technical Requirements
4.1 PTA unit product energy consumption limits
Conventional PTA production enterprises unit energy should not exceed the limit value 200kgce/t.
4.2 PTA unit product energy access value
New or renovation and expansion of PTA producers access to energy consumption per unit of product value should be less than 95kgce/t. 900m above sea level and above ground
Area, power consumption can be relaxed to access value is not greater than 100kgce/t.
4.3 PTA advanced energy consumption per unit of product value
PTA manufacturer of advanced energy consumption per unit of product value should be less than 80kgce/t.
Statistical methods and calculation range 5
5.1 statistical range
5.1.1 PTA statistical range of comprehensive energy consumption per unit of product, including energy production system, auxiliary production system energy consumption and energy production systems subsidiary
Consumption. among them.
a) producing energy consumption
From paraxylene feedstock entering the oxidation stage begins to enter the finished product silo PTA entire production process of various energy
Consumption.
b) an auxiliary energy production system
System for the production of supporting facilities and equipment, mainly for the power supply, machine repair, water, gas, heating, cooling, instrument repair, lighting, warehouse and factory
Energy consumption of raw materials as well as site security, environmental protection, energy conservation 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, mainly for the control room, office
Energy consumption of public facilities room, operating room, control room, lounge, locker rooms, baths, central control analysis, product testing and maintenance workers and other segments.
5.1.2 PTA recycling of waste heat generated in the production process, the chemical reaction heat, and it can not be included in the energy. If the heat and energy
And chemical reaction heat, etc. for use in other devices, 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 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 should be equivalent unit of measurement kg coal (kgce) is uniform. Calorific value of various energy companies to report
Period measured calorific value shall prevail. Found no conditions, refer to Appendix A or Appendix B of the reference standard coal off various energy coefficient
Conversion.
5.2.3 PTA overall energy consumption (E) is equal to the production of total energy consumed in the process, various by subtracting the total energy output externally,
Value coal in kilograms (kgce), calculated according to formula (1).
E = Σ
i = 1
(Eic × Ki) -Σ
j = 1
(Ejf × Kj) (1)
Where.
E --- PTA value of overall energy consumption in kilograms of coal (kgce);
eic --- PTA production physical volume of the i-th energy consumption;
The amount of physical energy j th ejf --- PTA production process output;
Ki --- i-th input energy conversion coefficient of coal;
KJ --- j th output energy conversion coefficient of coal;
M --- Number of kinds of energy input;
--- n-number of types of energy outputs.
5.2.4 PTA PTA production unit comprehensive energy consumption (e) equal to the PTA comprehensive energy consumption during the reporting period (E) divided by the reporting period
(P), the value in kilograms per tonne of coal (kgce/t) expressed by the formula (2).
e =
(2)
Where.
Numerical e --- PTA comprehensive energy consumption per unit of product, in kilograms per tonne of coal (kgce/t);
P --- PTA qualified products (to be consistent with SH/T 1612.1 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 AC driven fan (pump and air compressor) shall comply with the provisions of GB/T 13466; and for electricity
Transformer economic 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 strengthen the maintenance and management, to prevent run, run, drip, leak phenomenon occurred.
6.2.2 Energy Saving Technology
Measures to encourage the use of energy-saving technologies, such as.
a) purified using pressure filtration separation techniques;
b) full oxidation reaction off-gas, and the expander drives the pneumatic conveying material;
c) azeotropic distillation technique;
d) Efficient Multichannel steam turbine;
e) providing a suitable steam network, to ensure that the low pressure steam reuse;
f) Optimization of circulating water system, reducing the system pressure;
g) Set hydrogen recovery and optimization and recycling the residue.
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. Motor energy efficiency
Evaluating values of energy should reach a level GB 18613; water pump effect capable of saving the evaluation value reaches the water GB 19762
Flat; fan effect can reach the level of the evaluation value saving GB 19761; volumetric air compressor can effect reaches
Energy level evaluation values GB 19153.
b) enterprises 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.
c) 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.
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
Off various energy coal reference coefficients in Table A.1.
Table A.1 off various energy coal reference coefficients table
Number average calorific variety kgce off coefficient Remarks
A fuel 41816kJ/kg (10000kcal/kg) 1.4286kgce/kg
2 diesel 42652kJ/kg (10200kcal/kg) 1.4571kgce/kg
3 refinery dry gas 46055kJ/kg (11000kcal/kg) 1.5714kgce/kg
4 Gas Field 35544kJ/m3 (8500kcal/m3) 1.2143kgce/m3a
5 Gas Desulfurization - 1.3286kgce/m3a
6 Methane - 1.4757kgce/m3a
7 ethylene tar - 1.4000kgce/kg
8 CWS - 0.6416kgce/kg
9 Power (equivalent value) 3600kJ/(kW · h) [860kcal/(kW · h)] 0.1229kgce/(kW · h)
10 10.0MPa stage steam 3852MJ/t (921Mcal/t) 0.1314kgce/kg 7.0MPa≤pb
11 5.0MPa stage steam 3768MJ/t (900Mcal/t) 0.1286kgce/kg 4.5MPa≤p < 7.0MPa
12 3.5MPa stage steam 3684MJ/t (880Mcal/t) 0.1257kgce/kg 3.0MPa≤p < 4.5MPa
13 2.5MPa stage steam 3559MJ/t (851Mcal/t) 0.1214kgce/kg 2.0MPa≤p < 3.0MPa
14 1.5MPa stage steam 3349MJ/t (800Mcal/t) 0.1143kgce/kg 1.2MPa≤p < 2.0MPa
15 1.0MPa stage steam 3182MJ/t (763Mcal/t) 0.1086kgce/kg 0.8MPa≤p < 1.2MPa
16 0.3MPa stage steam 2763MJ/t (660Mcal/t) 0.0942kgce/kg 0.3MPa≤p < 0.6MPa
17 < 0.3MPa stage steam 2303MJ/t (550Mcal/t) 0.0786kgce/kg
a means 0 ℃, gas volume at standard atmospheric pressure.
b steam pressure (p) means a gauge pressure.
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. of energy consumption per unit energy working fluid off coefficient reference kgce
1 fresh water 2.51MJ/t (600kcal/t) 0.08571kgce/t
2 demineralized water 14.23MJ/t (3400kcal/t) 0.4857kgce/t
3 demineralized water 96.30MJ/t (23015kcal/t) 3.2857kgce/t
4 deoxygenated water 385.19MJ/t (92060kcal/t) 13.1429kgce/t
5 and condensing condensate 152.81MJ/t (36521kcal/t) 5.2143kgce/t
6 the heating device condensate 320.29MJ/t (76549kcal/t) 10.9286kgce/t
7 circulating water 4.19MJ/t (1001kcal/t) 0.1428kgce/t
8 compressed air (purge) 1.59MJ/m3 (380kcal/m3) 0.0543kgce/m3a
9 compressed air (non-purified) 1.17MJ/m3 (280kcal/m3) 0.0400kgce/m3a
Nitrogen 10 (do byproduct) 11.72MJ/m3 (2800kcal/m3) 0.4000kgce/m3a
Nitrogen 11 (shots when Product) 19.66MJ/m3 (4700kcal/m3) 0.6714kgce/m3a
GB/T 50441-2007 "Petrochemical Design
Energy consumption calculation standards "
a means 0 ℃, gas volume at standard atmospheric pressure.
......
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