石油石化绿色低碳2025，Vol.10Issue(3)：16-22,7.DOI:10.20131/j.cnki.syshlsdt.20250623.001
乙烯三机蒸汽流程优化降本研究
Research on Steam Process Optimization and Cost Reduction for"Three Compressors"in Ethylene Production
安劭卿 1杨攀峰1
作者信息
- 1. 中国石化集团经济技术研究院有限公司,中国石化咨询有限责任公司,北京 100029
- 折叠
摘要
Abstract
In 2024,China's refining capacity ranked first globally,yet shrinking profit margins prompted the petrochemical sector to advance the strategic transition toward"oil-to-chemicals conversion".Ethylene production capacity expanded significantly,but consumption growth lagged,causing localized overcapacity.Cost reduction and efficiency improvements became critical for competitiveness.This study focuses on the"three compressors"(cracked gas/ethylene/propylene compressors)steam process optimization under varied operating conditions of a megaton-scale steam cracking ethylene plant.Results show that optimized steam processes reduce ultra-high-pressure steam pipeline investments and boost power generation,but increase condensate loss and energy consumption.Replacing condensing steam turbine unit with back pressure turbine unit for the propylene compressor reduces condensate loss,lowering operational costs and energy use.Further steam process optimization for back-pressure turbine-driven compressors enhances power efficiency,achieving significant cost and energy savings.关键词
乙烯装置/蒸汽流程优化/背压机组/能耗优化/丙烯压缩机/凝汽损失Key words
ethylene plant/steam process optimization/back pressure turbine unit/energy consumption optimization/propylene compressor/condensate loss分类
化学化工引用本文复制引用
安劭卿,杨攀峰..乙烯三机蒸汽流程优化降本研究[J].石油石化绿色低碳,2025,10(3):16-22,7.
