叠式双联流化床钙循环生物质富氢气化典型案例  

Typical case of stacked double fluidized bed calcium looping biomass hydrogen-enriched gasification

作　　者：王方军 李蒙 向文国[1] 陈时熠[1] 段伦博[1] WANG Fang-jun;LI Meng;XIANG Wen-guo;CHEN Shi-yi;DUAN Lun-Bo(School of Energy&Environment,Southeast University,Nanjing 210096,China;Sinopec Nanjing Engineering Co.,Ltd.,Nanjing 210049,China;College of Chemical and Biological Engineering,Zhejiang University,Hangzhou 310058,China)

机构地区：[1]东南大学能源与环境学院,江苏南京210096 [2]中石化南京工程有限公司,江苏南京210049 [3]浙江大学化学工程与生物工程学院,浙江杭州310058

出　　处：《现代化工》2025年第4期234-240,共7页Modern Chemical Industry

基　　金：江苏省创新能力建设专项项目(BM2019001);江苏省研究生科研与实践创新计划项目(KYCX24-0387)。

摘　　要：针对清洁高效能源转化技术需求,提出了一种以叠式双联流化床为反应装置,通过钙循环技术路线,将生物质燃料转换为氢气和甲醇的负碳排放系统。该系统由生物质气化系统、变压吸附(PSA)系统、甲醇合成系统和电解水系统组成。采用Aspen Plus对系统进行了热力学建模,基于建模结果进行了参数分析。结果表明,通过调整气化炉的运行模式和控制钙载体的加入量,可直接调制出氢碳比为2.1的合成气用于甲醇合成,且叠式床的设计能够明显降低合成气中的焦油含量。此外,该系统通过与电解水制氢工艺耦合,通过电解为再生炉提供氧气,生成的二氧化碳与电解氢合成甲醇,可形成互补型的绿色甲醇合成新模式,说明该新型钙循环生物质气化系统是一种清洁、高效、经济的能源转换技术。In response to the demand for clean and efficient energy conversion technology,a negative carbon emission system is proposed,which uses a stacked double fluidized bed as a reaction device to convert biomass fuel into hydrogen and methanol through a calcium looping technology route.This system consists of a biomass gasification system,a pressure swing adsorption(PSA)system,a methanol synthesis system and a water electrolysis system.Aspen Plus software is employed to carry out thermodynamic modeling for this system,and parameter analysis is performed based on the modeling results.Results show that by adjusting the operating mode of the gasifier and controlling the amount of calcium carrier added,syngas with a hydrogen-to-carbon ratio of 2.1 can be directly modulated for methanol synthesis,and the stacked bed design can significantly reduce the tar content in syngas.In addition,this system,coupled with the water electrolysis H_(2)production process,can provide oxygen to the regenerator through electrolysis.The generated CO_(2)and electrolytic hydrogen are used to synthesize methanol,forming a novel complementary model of green methanol synthesis.It is shown that this novel calcium looping biomass gasification system is a clean,efficient and economical energy conversion technology.

关 键 词：生物质 气化 富氢合成气 钙循环 甲醇 

分 类 号：TQ424.24[化学工程]