东南大学学报（自然科学版）2024，Vol.54Issue(2)：475-486,12.DOI:10.3969/j.issn.1001-0505.2024.02.026
基于Aspen Plus的煤部分气化氢电联产系统模拟
Simulation of hydrogen-electricity co-production system of coal partial gasification based on Aspen Plus
摘要
Abstract
To improve the energy efficiency of coal-based hydrogen production and reduce carbon emissions,four new hydrogen-electricity cogeneration systems based on coal partial gasification were constructed.The sys-tem efficiency and hydrogen production efficiency were used as evaluation criteria to simulate and compare the systems using Aspen Plus.The results show that there are different oxygen-coal ratios and carbon conversion rates to achieve the highest system efficiency.System 1 to 4 reach the highest system efficiency when the car-bon conversion rate is 60％,85％,65％,and 60％,respectively.With the increase of gasification tempera-ture,the efficiency and gasification efficiency of each system first increase rapidly and then tend to be stable.With the increase of gasification pressure,the efficiency and gasification efficiency of each system first de-crease rapidly and then tend to be stable.When the oxygen-coal ratio is 0.33,the gasification pressure is 2 MPa,and the gasification temperature is 1 000 ℃,the efficiency of system 1 to 4 is 59.12％,66.13％,62.21％and 58.57％,respectively.The coal partial gasification pressurized oxygen-enriched combustion cy-cle system(System 2),which uses CO2 and O2 as gasification agents,and with a mass ratio of CO2 to O2of 4∶1,has advantages under various standards and is the best hydrogen-electricity cogeneration system.关键词
煤炭部分气化/半焦加压富氧燃烧/系统建模/热力学分析Key words
coal partial gasification/semi-coke pressurized oxygen-rich combustion/system modeling/ther-modynamic analysis分类
化学化工引用本文复制引用
张泽祎,李照志,邵应娟,钟文琪..基于Aspen Plus的煤部分气化氢电联产系统模拟[J].东南大学学报（自然科学版）,2024,54(2):475-486,12.基金项目
国家自然科学基金资助项目(52276150). （52276150）
