摘要
在Aspen Plus平台上构建生物质移动床热解多联产系统模型,通过对秸秆热解过程的模拟,研究了生物炭、生物油和生物燃气三态热解产物特性,以及热解温度对系统燃料投入、水耗和电耗的影响。结果表明,随热解温度升高,生物炭热值逐渐增大。生物油和生物燃气的产率分别在450℃和650℃附近达到最大值。当热解温度为450℃时,生物油重质组分主要由糖衍生类和脂肪酸类物质构成,而轻质组分主要包括醛类、醇类和水;当热解温度为650℃时,生物燃气则主要由CO_2和CO构成。生产过程中,系统的燃料消耗和电耗均随着热解温度的升高而增大,冷却水消耗量则经历先减少后增加的过程,并在450℃附近达到最小值。
With the model of biomass moving-bed pyrolytic polygeneration system based on Aspen Plus simulator, the products characteristics of bio-char, bio-oil and pyrolysis-gas were studied and the influence of pyrolysis temperature on the system consumption of fuel, cooling water, and electricity were investigated. Results showed that the heating value of bio-char rises as the pyrolysis temperature increases. The maximum products yields of bio-oil and syngas were obtained at 450℃ and 650℃, respectively. When the pyrolysis temperature was 450℃, the heavy bio-oil mainly consists of sugar derived and fatty acid, while the major components of light bio-oil were aldehyde, alcohol and moisture. CO and CO2 were the main components in the syngas at 650℃. In addition, the consumption of fuel and electricity rises with the temperature increase, while the consumption of cooling water decreases firstly and then increases at 450℃.
作者
魏智宇
杨晴
周荷雯
李佳硕
杨海平
陈汉平
WEI Zhi-yu;YANG Qing;ZHOU He-wen;LI Jia-shuo;YANG Hai-ping;CHEN Han-ping(State Key Laboratory of Coal Combustion,Huazhong University of Science and Technology,Wuhan 430074,China;China-EU Institute for Clean and Renewable Energy,Huazhong University of Science and Technology,Wuhan 430074,China;Department of New Energy Science and Engineering,School of Energy and Power Engineering,Huazhong University of Science and Technology,Wuhan 430074,China;School of Engineering and Applied Sciences,Harvard University,Cambridge,MA 02138,USA)
出处
《新能源进展》
2018年第4期253-260,共8页
Advances in New and Renewable Energy
基金
国家自然科学基金面上项目(51576087)
国家自然科学基金优秀青年科学基金项目(51622604)
国家自然基金青年基金项目(71704060)
