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Position: Home > Articles > Study on Thermodynamic Equilibrium Model of Heat Pipe Biomass Gasifier Journal of Agricultural Mechanization Research 2008 (7) 214-218

热管式生物质气化炉的热力学平衡模型研究

作  者：
王中贤;张红;陈兴元;庄骏
单  位：
南京工业大学能源学院
关键词：
生物质气化;模型;热管;气化炉;热值
摘  要：
为了提高生物质燃气热值,开发一种新型热管式生物质气化炉。结合物料平衡和化学平衡,建立了热管式生物质气化炉的热力学平衡模型,进行生物质水蒸气气化的模拟计算。在此基础上,就物料种类、水蒸气/燃料比和温度对燃气成分和热值的影响进行了预测和分析。模拟结果与试验结果比较表明:物料种类对燃气成分以及热值的影响较小,而温度是影响燃气成分和热值的最关键因素;随着水蒸气/燃料比的增加,燃气热值呈降低趋势,而气化需要的热量呈增长趋势,所以建议水蒸气/燃料比选择0.8;采用高温热管技术提供生物质水蒸气气化的热量,产生的燃气热值较高,一般可达10MJ/m3,为进一步研究奠定了基础。
译  名：
Study on Thermodynamic Equilibrium Model of Heat Pipe Biomass Gasifier
作  者：
WANG Zhong-xian,ZHANG Hong,CHEN Xing-yuan,ZHUANG Jun(College of Energy,Nanjing University of Technology,Nanjing 210009,China)
关键词：
biomass gasification;model;heat pipe;gasifier;heating value
摘  要：
A novel heat pipe biomass gasifier was developed to improve the heating value of gas produced.Based on mass balance and chemical equilibrium,a thermodynamic equilibrium model of biomass gasification in heat pipe biomass gasifier was proposed to simulate the process of biomass steam gasification.The effect of biomass materials,steam to biomass ratio and gasification temperature on the components and the heating value of product gas are predicted and analyzed with the model.Simulation values compared with experimental data in the same conditions.The results show that the effect of biomass materials on the components and the heating value of product gas are little and the gasification temperature is the key factor on the components and the heating value of product gas.The bigger the value of steam to biomass ratio is,the smaller the heating value of product gas and the bigger the reaction heat of biomass steam gasification.So 0.8 is suggested.Heat pipe is used to provide the reaction heat of biomass steam gasification and the heating value of product gas can reach 10MJ/m3.These provide the base of biomass gasification on the future research.

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