Abstract
AbstractAn advanced air‐blown two‐stage entrained‐flow coal Mitsubishi Heavy Industries (MHI) gasifier is numerically studied under actual conditions. The simulation results are verified first with actually measured data of an industrial MHI gasifier. Then, the effects of different parameters such as the sizes of pulverized coal particles, devolatilization parameters, and operating pressure on the gasifier performance are investigated. The results indicate that as the coal particle size increases, the syngas temperature at the gasifier exit rises while the reactivity of the coal particle decreases. Reducing the operating pressure can have a negative effect on the gasifier throughput while the opposite trend is observed for higher operating pressure.
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