关键词: 油页岩, 干馏, 模拟

Abstract: A model of oil shale retort furnace with gas heat carrier was developed using Aspen Plus, which mainly integrated the process operations of drying/preheating and pyrolisis of oil shale feedstock. Components in oil shale feedstock were divided into moisture, organic substance, and minerals, which were defined as conventional stream, non-conventional stream and conventional inertia stream respectively. According to the mechanism of oil shale pyrolisis and the kinetic equation of overall first reaction, the mass of organic matter and its pyrolysis products including shale oil, pyrolysis gases and semi-coke have been calculated and analyzed at normal operating temperature of the retort. They were also calculated and analyzed at different temperatures. The simulation results agreed well with design and operation parameters of the retort, and it was convenient to predict the mass of pyrolisis products at different temperatures.