GB 29438-2012 English PDF

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GB 29438-2012: The norm of energy consumption per unit product of polyoxymethylene
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Basic data

Standard ID: GB 29438-2012 (GB29438-2012)
Description (Translated English): The norm of energy consumption per unit product of polyoxymethylene
Sector / Industry: National Standard
Classification of Chinese Standard: F01
Classification of International Standard: 27.010
Word Count Estimation: 8,887
Quoted Standard: GB/T 12497; GB/T 13462; GB/T 13466; GB/T 14549; GB 17167; GB 18613; GB 19153; GB 19761; GB 19762; GB 20052
Regulation (derived from): National Standards Bulletin No. 42 of 2012
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 Chinese standard specifies the POM unit product energy consumption (referred to as"energy") limits the technical requirements, statistical coverage and methods of computation as well as energy management practices. This standard applies to methanol a

GB 29438-2012: The norm of energy consumption per unit product of polyoxymethylene

---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 polyoxymethylene ICS 27.010 F01 National Standards of People's Republic of China POM energy consumption per unit product Published 2012-12-31 2013-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China issued

Foreword

4.1, 4.2 of this standard are mandatory, the rest are recommended. This standard was drafted in accordance with rules GB/T 1.1-2009 given. This standard savings by the National Development and Reform Commission Resources and Environmental Protection Division, Ministry of Industry and Information Technology Energy Saving and Comprehensive Utilization Department proposed. This standard by the National Energy Foundation and Management Standardization Technical Committee (SAC/TC20) and China Petroleum and Chemical Industry Federation Centralized. Drafted by. China National Bluestar (Group) Co., Ltd. Shanghai Bluestar POM, the State Quality Supervision synthetic resin Governor Inspection Center. The main drafters. Zhang Yi, Wang Jiandong, Shi Xun Ping, Wei Zhi An, Liu Jie, Cai Liang Zhen, Zhou Jianjun. POM energy consumption per unit product

1 Scope

This standard specifies the POM unit product energy consumption (referred to as "energy") technical requirements limit, the scope of statistics and calculation methods, as well as Energy management measures. This standard applies to the calculation methanol and ethylene glycol as the main raw material of POM energy producers, assessment, and new projects of 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/T 12497 three-phase asynchronous motor economy GB/T 13462 power transformer economic operation GB/T 13466 AC driven fan (pump, air compressor) General economic operation system GB/T 14549 utility grid power quality Harmonics 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 energy efficiency limit value and energy evaluation

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 POM comprehensive energy consumption comprehensiveenergyconsumptionofpolyoxymethyleneproduct During the reporting period, the total energy consumption of POM products throughout the production process. 3.2 POM unit product energy consumption comprehensiveenergyconsumptionperunitproductofpolyoxymethylene POM production per unit amount represented the energy consumption. 4. Technical Requirements 4.1 POM limit energy consumption per unit of product Company prior polyoxymethylene POM energy consumption per unit of product should not exceed the limit value 2800kgce/t. 4.2 POM unit product energy access value New or expansion means producing polyoxymethylene POM access unit energy value is not greater than 2100kgce/t. 4.3 POM advanced energy consumption per unit of product value POM encouraged by manufacturers of energy-saving technological transformation, technological progress, energy management measures to achieve the advanced POM unit energy consumption value Claim. POM advanced unit energy consumption value is not greater than 2000kgce/t.

5 range and statistical calculation method

5.1 statistical range 5.1.1 POM overall energy consumption statistics ranging from industrial alcohol, ethylene glycol and other raw materials and steam, water and other materials and industrial power Start metered into the polyoxymethylene means, the amount of primary energy to the finished product storage bag until the actually consumed, the amount of secondary energy, and work energy Mass (such as water, oxygen, nitrogen, compressed air, etc.). Recycled 5.1.2 polyoxymethylene means waste heat of chemical reaction heat and the like, the amount of energy should not be included. If the heat and energy and Chemical reaction heat, etc. for use in other devices, which should be deducted from the actual utilization of the energy consumption of the present system. 5.1.3 various heat value of the fuel to be equivalent to a uniform unit of measurement kg coal (kgce) or tce (tce). All kinds of heat energy Calorific value of enterprise value measured during the reporting period shall prevail. Found no conditions, can refer to Appendix A and Appendix B of various energy given off Reference coefficients of coal, various types of coal off energy working medium energy reference coefficients. 5.1.4 Energy consumption statistics, accounting should include the various production processes and systems. 5.2 Calculation Method 5.2.1 POM comprehensive energy consumption is calculated POM POM overall energy consumption is equal to the production process of various energy input by subtracting various energy output externally, according to the formula (1) Calculation. E = Σ i = 1 (Ei × ki) -Σ j = 1 (Ej × kj) (1) Where. E --- polyoxymethylene energy consumption in kg coal (kgce); The amount of the i-th physical energy EI --- paraformaldehyde input during production, tonnes (t) or kilograms (kg), kilowatt (kW · h), Cubic meters (M3); Ki --- i-th coefficient of coal off the energy input, in kilograms per tonne of coal (kgce/t) of coal per kilogram or kilograms (Kgce/kg), per kilowatt kgce [kgce/(kW · h)], kgce per cubic meter (kgce/m3); --- n-number of types of energy input; --- m number of kinds of energy output; J th physical quantity of energy EJ --- paraformaldehyde production process output, tonnes (t) or kilograms (kg), kilowatt (kW · h), Cubic meters (M3); J th coefficient of coal off energy kJ --- output in kilograms per tonne of coal (kgce/t) of coal per kilogram or kilograms (Kgce/kg), per kilowatt kgce [kgce/(kW · h)], kgce per cubic meter (kgce/m3). 5.2.2 POM unit energy consumption is calculated Unit energy consumption is equal to the report period divided by the report period polyoxymethylene POM yield, calculated according to formula (2). e = EP (2) Where. E --- POM unit energy consumption, in kilograms per tonne of coal (kgce/t); E --- polyoxymethylene energy reporting period, in kg coal (kgce); Poly P --- reporting period formaldehyde production, tonnes (t).

6 and energy management measures

6.1 basic management and energy saving measures Enterprise should review the energy consumption, energy consumption per unit products for assessment, and the assessment indicators break down into the grassroots departments and units, The establishment of energy accountability. Energy companies should be equipped with measuring instruments according to GB 17167 and the establishment of energy measurement management systems. 6.2 energy-saving technologies and management measures 6.2.1 Economic Operation Enterprises should make the production of generic equipment to achieve the state of the economy, economic operation and management of the motor should be consistent with GB/T 12497 regulations Set; economic operation and management of fans, pumps and air compressors shall comply with GB/T 13466; the economic operation of power transformers Management should be consistent with GB/T 13462 of. A variety of network maintenance and management should be strengthened to prevent run, run, drip, leak phenomenon. 6.2.2 transforming, rectifying step 6.2.2.1 increase of the number of pulse wave rectified by the rectifier phase, harmonic suppression, 6 (10) kV pulse number not less than the power supply bus 12,35 (66) kV The number of pulse number of pulse power supply bus bus 18,110kV not less than not less than 24, and the grid connection point should be performed GB/T 14549 The relevant provisions. 6.2.2.2 rectifier to improve the natural power factor, reducing harmonics harm. Step 6.2.3 steam consumption 6.2.3.1 new technology should be used to improve process efficiency and reduce steam consumption. 6.2.3.2 Heat strengthened and steam condensate recycling. 6.2.3.3 strengthening equipment, pipe insulation, reducing heat loss, reduce energy consumption. 6.2.4 energy-consuming equipment 6.2.4.1 enterprises 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. In run-time great 3000h of the device, the motor can reach the level of the effect evaluation value saving GB 18613; water pump effect can be achieved GB 19762 evaluation value level energy; fan effect can reach the level of the evaluation value saving GB 19761; displacement air compressors The effect can reach the level of the evaluation value of GB 19153 saving. The motor should run at 75% to 80% of rated load. 6.2.4.2 substation enterprises should improve energy efficiency and distribution equipment, can effect a distribution transformer evaluation value reaches the water saving GB 20052 level. Substation and distribution of low pressure centralized compensation method should be used, the use of the compensation capacitor to improve the power factor. 6.2.4.3 enterprises should improve the energy efficiency of the illumination system, and the electric light ballast should be used to achieve energy efficiency related values of energy efficiency standards of evaluation values product.

Appendix A

(Informative) All types of standard coal energy conversion coefficient of reference Reference A.1 all kinds of energy conversion coefficient of standard coal in Table A.1. Table A.1 all kinds of standard coal energy conversion coefficient of reference Energy names coefficient average calorific value of coal Coal 20908kJ/kg (5000kcal/kg) 0.7143kgce/kg 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 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 Kerosene 43070kJ/kg (10300kcal/kg) 1.4714kgce/kg Diesel 42652kJ/kg (10200kcal/kg) 1.4571kgce/kg Coal tar 33453kJ/kg (8000kcal/kg) 1.1429kgce/kg Residue 41816kJ/kg (10000kcal/kg) 1.4286kgce/kg LPG 50179kJ/kg (12000kcal/kg) 1.7143kgce/kg Refinery gas 46055kJ/kg (11000kcal/kg) 1.5714kgce/kg Gas oil 38931kJ/m3 (9310kcal/m3) 1.3300kgce/m3 Gas Field 35544kJ/m3 (8500kcal/m3) 1.2143kgce/m3 Coal mine gas 14636kJ/m3 ~ 16726kJ/m3 (3500kcal/m3 ~ 4000kcal/kg) 0.5000kgce/m3 ~ 0.5714kgce/m3 Coke oven gas 16726kJ/m3 ~ 17981kJ/m3 (4000kcal/m3 ~ 4300kcal/m3) 0.5714kgce/m3 ~ 0.6143kgce/m3 Blast furnace gas 3763kJ/m3 0.1286kgce/kg a) producer gas 5227kJ/m3 (1250kcal/m3) 0.1786kgce/m3 b) catalytic cracking of heavy oil gas 19235kJ/m3 (4600kcal/m3) 0.6571kgce/m3 c) heavy oil pyrolysis gas 35544kJ/m3 (8500kcal/m3) 1.2143kgce/m3 d) gasification of coke 16308kJ/m3 (3900kcal/m3) 0.5571kgce/m3 e) a pressure gasification gas 15054kJ/m3 (3600kcal/m3) 0.5143kgce/m3 f) water-gas 10454kJ/m3 (2500kcal/m3) 0.3571kgce/m3 Benzol 41816kJ/kg (10000kcal/kg) 1.4286kgce/m3 Thermal (equivalent value) - 0.03412kgce/MJ Power (equivalent value) 3600kJ/(kW · h) [860kcal/(kW · h)] 0.1229kgce/(kW · h) Steam (low-pressure) 3763MJ/t (900Mcal/t) 0.1286kgce/kg

Appendix B

(Informative) Energy working fluid energy value B.1 energy working fluid energy values in Table B.1. Table B.1 energy value of working fluid energy Energy consumption per unit energy working medium varieties of coal off coefficient Fresh water 2.51MJ/t (600kcal/t) 0.0857kgce/t Softener 14.23MJ/t (3400kcal/t) 0.4857kgce/t Deoxygenated water 28.45MJ/t (6800kcal/t) 0.9714kgce/t Compressed air 1.17MJ/m3 (280kcal/m3) 0.0400kgce/m3 Blast 0.88MJ/m3 (210kcal/m3) 0.0300kgce/m3 Oxygen 11.72MJ/m3 (2800kcal/m3) 0.4000kgce/m3 Nitrogen (do byproduct) 11.72MJ/m3 (2800kcal/m3) 0.4000kgce/m3 Nitrogen (when product shots) 19.66MJ/m3 (4700kcal/m3) 0.6714kgce/m3 Carbon dioxide 6.28MJ/m3 (1500kcal/m3) 0.2143kgce/m3 Acetylene 243.67MJ/m3 8.3143kgce/m3 Carbide 60.92MJ/kg 2.0786kgce/kg ......

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