Norm of energy consumption per unit production of refining and chemical industry
1 Scope
This document specifies the technical requirements, statistical scope and calculation method for norm of product energy consumption (hereinafter referred to as energy consumption) for refinery, ethylene, polypropylene, styrene, purified terephthalic acid, p-xylene, propylene oxide and phthalic anhydride.
This document is applicable to the calculation and assessment of energy consumption in the production processes of refinery, ethylene, polypropylene, styrene, purified terephthalic acid, p-xylene, propylene oxide and phthalic anhydride, as well as the energy consumption control for newly built or renovated (expanded) projects.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 384 Petroleum products - Determination of heat of combustion
GB/T 2589 General rules for calculation of the comprehensive energy consumption
GB/T 3915 Styrene for industrial use
GB/T 7715 Ethylene for industrial use - Specification
GB/T 12670 Polyproplene (PP) resin
GB/T 12723 General principles for establishing allowance of energy consumption per unit throughput
GB/T 14491 Propylene oxide for industrial use
GB/T 15336 Phthalic anhydride
GB/T 32685 Purified terephthalic acid (PTA) for industrial use
SH/T 1486.1-2008 Petroleum p-xylene
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 2589, GB/T 12723 and the following apply.
3.1
comprehensive energy consumption of refinery
sum total of physical quantities of energy and energy-consumed medium consumed by refinery production during the statistical reporting period, which are converted into standard oil by the specified calculation methods
3.2
comprehensive energy consumption of refinery for unit crude and purchased materials
ratio of comprehensive energy consumption of refinery to the sum of processing volume of crude oil and purchased raw oil during the statistical reporting period
3.3
energy factor for refinery
product of the standard energy consumption ratio of refining process plant (or system unit) and the ratio of its raw material (or product) quantity to the raw material (or product) quantity of reference plant
3.4
comprehensive energy consumption of refinery for unit crude and purchased materials based on energy factor for refinery
ratio of comprehensive energy consumption of refinery for unit crude and purchased materials to energy factor for refinery during the statistical reporting period
3.5
energy consumption for ethylene plant
sum total of physical quantities of fuels, steams, electric power and energy-consumed medium actually consumed by the ethylene plant in the process of production during the statistical reporting period, which are converted into the standard oil by the specified calculation methods and in the specified units
4 Norm level of energy consumption
4.1 Norm level of energy consumption of refinery
See Table 1 for the norm level of energy consumption of refinery, of which Level 1 refers to the lowest energy consumption.
Table 1 Norm level of energy consumption of refinery
Comprehensive energy consumption of refinery for unit crude and purchased materials based on energy factor for refinery/kgoe/(t·energy factor)
Norm level of energy consumption
Level 1 Level 2 Level 3
≤6.85 ≤7.50 ≤8.50
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Level of norm of energy consumption
5 Technical requirements
6 Statistical scope and calculation method
Annex A (Informative) Reference values for coefficient of converting energy and energy-consumed medium into standard oil
Annex B (Normative) Statistical scope of energy consumption for ethylene plant
Annex C (Normative) Energy coefficient of refinery production plant
Annex D (Normative) Energy factors for storage and transportation system, sewage treatment plant, thermal loss, power transmission and transformation loss and other auxiliary systems
Annex E (Informative) Low calorific value of common pure components
Annex F (Normative) Calculation method for output of standards converted from polypropylene
Norm of energy consumption per unit production of refining and chemical industry
1 Scope
This document specifies the technical requirements, statistical scope and calculation method for norm of product energy consumption (hereinafter referred to as energy consumption) for refinery, ethylene, polypropylene, styrene, purified terephthalic acid, p-xylene, propylene oxide and phthalic anhydride.
This document is applicable to the calculation and assessment of energy consumption in the production processes of refinery, ethylene, polypropylene, styrene, purified terephthalic acid, p-xylene, propylene oxide and phthalic anhydride, as well as the energy consumption control for newly built or renovated (expanded) projects.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 384 Petroleum products - Determination of heat of combustion
GB/T 2589 General rules for calculation of the comprehensive energy consumption
GB/T 3915 Styrene for industrial use
GB/T 7715 Ethylene for industrial use - Specification
GB/T 12670 Polyproplene (PP) resin
GB/T 12723 General principles for establishing allowance of energy consumption per unit throughput
GB/T 14491 Propylene oxide for industrial use
GB/T 15336 Phthalic anhydride
GB/T 32685 Purified terephthalic acid (PTA) for industrial use
SH/T 1486.1-2008 Petroleum p-xylene
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 2589, GB/T 12723 and the following apply.
3.1
comprehensive energy consumption of refinery
sum total of physical quantities of energy and energy-consumed medium consumed by refinery production during the statistical reporting period, which are converted into standard oil by the specified calculation methods
3.2
comprehensive energy consumption of refinery for unit crude and purchased materials
ratio of comprehensive energy consumption of refinery to the sum of processing volume of crude oil and purchased raw oil during the statistical reporting period
3.3
energy factor for refinery
product of the standard energy consumption ratio of refining process plant (or system unit) and the ratio of its raw material (or product) quantity to the raw material (or product) quantity of reference plant
3.4
comprehensive energy consumption of refinery for unit crude and purchased materials based on energy factor for refinery
ratio of comprehensive energy consumption of refinery for unit crude and purchased materials to energy factor for refinery during the statistical reporting period
3.5
energy consumption for ethylene plant
sum total of physical quantities of fuels, steams, electric power and energy-consumed medium actually consumed by the ethylene plant in the process of production during the statistical reporting period, which are converted into the standard oil by the specified calculation methods and in the specified units
4 Norm level of energy consumption
4.1 Norm level of energy consumption of refinery
See Table 1 for the norm level of energy consumption of refinery, of which Level 1 refers to the lowest energy consumption.
Table 1 Norm level of energy consumption of refinery
Comprehensive energy consumption of refinery for unit crude and purchased materials based on energy factor for refinery/kgoe/(t·energy factor)
Norm level of energy consumption
Level 1 Level 2 Level 3
≤6.85 ≤7.50 ≤8.50
Contents of GB 30251-2024
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Level of norm of energy consumption
5 Technical requirements
6 Statistical scope and calculation method
Annex A (Informative) Reference values for coefficient of converting energy and energy-consumed medium into standard oil
Annex B (Normative) Statistical scope of energy consumption for ethylene plant
Annex C (Normative) Energy coefficient of refinery production plant
Annex D (Normative) Energy factors for storage and transportation system, sewage treatment plant, thermal loss, power transmission and transformation loss and other auxiliary systems
Annex E (Informative) Low calorific value of common pure components
Annex F (Normative) Calculation method for output of standards converted from polypropylene
