Abstract: In order to overcome the bottleneck of Ningxia Energy and Chemical Corporation's acetic acid plant and increase the supply of CO,the expansion revamping scheme for gasification unit is studied.The whole coal water slurry gasification process simulation model is established by using Aspen Plus software,and the material and energy balance data after expansion are obtained.Based on these data,the comprehensive accounting is performed on the facilities,pipelines and instruments of the gasification unit.The results show that most of the facilities,pipelines and instruments can meet the requirements of expansion.Only by replacing some internal parts of gasifier,replacing vacuum pump,adding a low-pressure ash pump and replacing a small number of instruments,the expansion requirements can be met.After the renovation scheme is implemented,the actual effective gas output of the gasification unit reaches 225 600 Nm3·h-1,achieving the expected effect of renovation.These achievements not only verify the accuracy of accounting on facilities and instruments,but also verify the reliability of Aspen Plus simulation model of coal water slurry gasification.
张磊. 水煤浆气化装置扩能改造方案研究[J]. 现代化工, 2019, 39(10): 190-194.
ZHANG Lei. A study of expansion and renovation scheme for coal water slurry gasification unit. Modern Chemical Industry, 2019, 39(10): 190-194.