Compared the coal water slurry gasification with pulverized coal gasification, the specific oxygen consumption and specific coal consumption for effective gas is much higher. This paper simulated the coal water slurry gasification process by software ASPEN. Coal water slurry is sent to the gasifier after preheating will effectively reduce the specific oxygen consumption and specific coal consumption. Meanwhile the process flow of preheating was set up for model selection calculation of the preheater.
关键词
水煤浆预热/气化炉/模拟计算/螺旋折流板换热器
Key words
coal water slurry preheating/gasifier/simulating calculation/spiral baffle heat exchanger
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