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在不同升温速率下对水曲柳原料在 30 0～ 12 0 0 K范围内进行了热重分析试验 ,试验显示生物质热裂解随温度升高经历五个不同阶段。采用微商法和积分法对其主体阶段的分析得到相互一致的结果 :活化能为 10 1.4 k J/mol、指数因子为 1.2 2× 10 7s- 1 的一阶一步动力学模型。在所开发的以流化床反应器为主体的生物质热裂解制油系统上对生物质进行热裂解试验 ,得出了温度、粒径、停留时间和木种等几种最为重要的参数对热裂解制油的影响规律 ,并在 773K左右成功制取出产率高达 6 0 %的生物油 ,同时用色质联机分析 (GC- MS)技术对所制取的生物油进行了初步分析。
Thermogravimetric analysis of raw materials of Fraxinus mandshurica was carried out at different heating rates in the range of 30 0 ~ 1200 K. The results showed that pyrolysis of biomass went through five different stages with increasing temperature. The analysis of the main stage using the micro-commercial method and the integral method obtained the consistent results: the first-order one-step kinetic model with activation energy of 10 1.4 kJ / mol and exponential factor of 1.2 2 × 10 7s-1. In the development of a fluidized bed reactor as the main biomass pyrolysis oil refining system of biomass pyrolysis test obtained temperature, particle size, residence time and species of wood, and several of the most important parameters The influence of thermal cracking on the production of oil was studied. Bio-oil with the yield of 60% was successfully prepared at about 773K. At the same time, the bio-oil prepared by GC-MS was analyzed preliminarily.