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
3.1 炼油综合能源消耗量 comprehensive energy consumption of refinery 统计报告期内，炼油生产所消耗的各种能源及耗能工质实物量，按规定的计算方法折算为标准油后的总和。
3.2 炼油(单位)综合能耗 comprehensive energy consumption of refinery for unit crude and purchased materials 统计报告期内，炼油综合能源消耗量与原油及外购原料油加工量之和的比值。
3.3 炼油能量因数 energy factor for refinery 炼油工艺装置(或系统单元)的标准能耗系数和其原料(或产品)量与基准装置原料(或产品)量比值的乘积。
3.4 单位能量因数能耗 comprehensive energy consumption of refinery for unit crude and purchased materials based on energy factor for refinery 统计报告期内，炼油(单位)综合能耗与炼油能量因数的比值。
3.5 乙烯装置能耗 energy consumption for ethylene plant 统计报告期内，乙烯装置在生产过程中实际消耗的各种燃料、蒸汽、电及耗能工质的实物量，按规定的计算方法和单位分别折算为标准油后的总和。
