用热重分析法研究了减压渣油的热转化行为，获得了渣油热转化的起始失重温度、转化终了温度、剧烈反应温度区间、反应速率峰值及峰值温度、生焦率、不同转化阶段的温度区间及对应的动力学参数和动力学方程．该方法具有简便易行，样品用量少，取得参数多，获得信息快等优点，可用于评价不同产区和不同产期的渣油及渣油中的组分在不同条件下的热转化行为 The thermogravimetric analysis was used to study the thermal conversion behavior of vacuum residuum. The initial weight loss temperature, the end-of-conversion temperature, the reaction temperature range, the peak and peak temperature, the coke rate, The temperature range of the stage and the corresponding kinetic parameters and kinetic equations. The method has the advantages of simple and easy to use, less sample amount, more parameters and quick information obtaining, which can be used to evaluate the thermal conversion behavior of the components in the residue and residuum in different producing areas and different producing periods under different conditions