Modeling, Identification, and Control of a CFCFB
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Описание:
Circulating fluidized bed (CFB) is used extensively in petrochemical industries especially for fluid catalytic cracking, coal combustion or gasification and various other chemical processes. New 2-region measurement model describing the bed height in the standpipe of a cold model present at National Energy Technology Laboratory (NETL), US Department of Energy, Morgantown, WV, is formulated. On the other hand, system identification of a NETL cold flow circulating fluidized bed (CFCFB) is carried out using a nonlinear model under multiple model identification approach to predict solids circulation rate (SCR) in a wide operating range. However, the CFCFB was approximated by a linear model when it was believed to operate linearly in a single operating regime. A real time pressure drop model based on the Recursive Prediction Error Method (RPEM) is built to predict the split of move air flow between the standpipe and L-valve, and to determine routes of additional aerations fed to the...Похожие книги
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