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GB/T 36023-2018 (GB/T36023-2018)

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GB/T 36023-2018: PDF in English (GBT 36023-2018)
GB/T 36023-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.010
H 04
Guides for energy efficiency
assessment of prepainting process
ISSUED ON. MARCH 15, 2018
IMPLEMENTED ON. DECEMBER 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 4 
4 Assessment procedures ... 5 
5 Boundary and scope of energy consumption statistics ... 5 
6 Benchmark energy consumption ... 5 
7 Actual energy consumption ... 8 
8 Energy efficiency index ... 10 
9 Energy efficiency analysis ... 11 
10 Energy efficiency optimization measures ... 12 
Annex A (Informative) Boundary division for prepainting process of steel strips
... 13 
Annex B (Informative) Recommended values of standard coal conversion
coefficient for various energy and energy-consuming working media ... 14 
References ... 16 
Guides for energy efficiency
assessment of prepainting process
1 Scope
This Standard specifies the terms and definitions, assessment procedures,
boundary and scope of energy consumption statistics, benchmark energy
consumption, actual energy consumption, energy efficiency index, energy
efficiency analysis and energy efficiency optimization measures for the energy
efficiency assessment of prepainting process.
This Standard is applicable to the energy efficiency assessment and energy-
saving potential analysis of prepainting process of an iron and steel enterprise.
2 Normative references
The following documents are essential to the application of this document. For
dated references, only the editions with the dates indicated are applicable to
this document. For undated references, only the latest editions (including all the
amendments) are applicable to this document.
GB 17167 General principle for equipping and managing of the measuring
instrument of energy in organization of energy using
GB/T 21368 Specification for equipping and managing of measuring
instrument of energy in the iron and steel industry
GB/T 23331 Energy management systems -- Requirements
GB/T 28924 Guides for calculating energy efficiency index of an iron and
steel enterprise
YB/T 4210 Determination and calculation of heat balance of incinerator &
solidification furnace for CCL
YB/T 4662 Guides for energy efficiency assessment of an iron and steel
enterprise
3 Terms and definitions
The terms and definitions defined by GB/T 23331, GB/T 28924, and YB/T 4662
consumption of gas, natural gas, electricity (the incinerator and the curing
furnace are heated separately from the others), circulating water,
compressed air, steam, etc.;
d) energy recovery, such as steam recovery, recovered steam pressure,
temperature, etc.;
e) ambient temperature.
7.1.2 The field data acquisition shall be carried out in accordance with YB/T
4210.
7.2 Principle for standard coal conversion coefficient of energy and
energy-consuming working media
7.2.1 The actual fuel energy consumed by the energy-using unit shall be
converted into the amount of standard coal based on its net calorific value. For
unmeasured ones, SEE Table B.1.
7.2.2 Steam shall be converted into the amount of standard coal based on its
enthalpy value. SEE Table B.2.
7.2.3 The standard coal used for the conversion of energy-consuming working
medium is shown in Table B.3.
7.2.4 The conversion relationship between standard coal and heat is 1 kgce
= 29 307.6 kJ.
7.2.5 The equivalent value of the electric standard coal conversion coefficient
shall be taken, that is, 1 kW·h = 0.122 9 kgce.
7.3 Actual energy consumption calculation
The actual energy consumption is calculated according to the Formula (3).
Where.
ex - Actual energy consumption of the prepainting process during the statistical
period, in kilograms of standard coal per ton (kgce/t);
ein - Direct energy consumption of the prepainting process during the statistical
period, in kilograms of standard coal (kgce);
eout - Energy recovered by the prepainting process for external supply during
the statistical period, in kilograms of standard coal (kgce);
p - Conforming product quantity of the prepainting process during the statistical
in accordance with GB/T 15316.
9.3 Analysis of energy efficiency level
The analysis of energy efficiency level shall include but shall not be limited to
the following.
a) Energy efficiency analysis of prepainting process;
b) The energy consumption analysis of incinerator and curing furnace for
prepainting process can be in accordance with GB/T 29727;
c) The energy efficiency analysis of important equipment can be in
accordance with GB 18613, GB 30254, GB 19761, and GB 19762;
d) The energy control analysis can be in accordance with GB/T 30258;
e) The analysis on the rationality of electric energy utilization can be in
accordance with GB/T 3485;
f) The analysis on the rationality of thermal energy utilization can be in
accordance with GB/T 3486;
g) The energy-saving potential analysis and energy system optimization can
be in accordance with GB/T 30715.
10 Energy efficiency optimization measures
The prepainting process can use but is not limited to the following energy
efficiency optimization measures.
a) IMPROVE the energy control level;
b) Energy recovery technology of coating waste gas incineration;
c) Energy-saving and environment-friendly combustion technology of the
incinerator;
d) Energy-saving insulation material technology of the incinerator and curing
furnace;
e) Efficient waste heat recovery technology;
f) Precise temperature control technology of the steel strips;
g) Power-saving technology such as frequency control, permanent magnet
speed control, high-efficiency motors, etc.;
h) Big data acquisition and analysis technology during the production process.
References
[1] GB/T 3485 Technical guides for evaluating the rationality of electricity usage
in industrial enterprise
[2] GB/T 3486 Technical guides for evaluating the rationality of heat usage in
industrial enterprise
[3] GB/T 15316 General principles for monitoring and testing of energy saving
[4] GB 18613 Minimum allowable values of energy efficiency and energy
efficiency grades for small and medium three-phase asynchronous motors
[5] GB 19761 Minimum allowable values of energy efficiency and energy
efficiency grades for fan
[6] GB 19762 The minimum allowable values of energy efficiency and
evaluating values of energy conservation of centrifugal pump for fresh water
[7] GB/T 29727 Energy consumption grades of incinerator and curing furnace
for CCL
[8] GB 30254 Minimum allowable values of energy efficiency and the energy
efficiency grades for cage three-phase high voltage induction motor
[9] GB/T 30258 Implementation guidance for energy management systems in
iron and steel industry
[10] GB/T 30715 Guideline for energy system optimization of iron and steel
production process
......
 
(Above excerpt was released on 2018-06-02, modified on 2021-06-07, translated/reviewed by: Wayne Zheng et al.)
Source: https://www.chinesestandard.net/PDF.aspx/GBT36023-2018