Frequently, due to the irregularities in fuel properties of the wastes and variations in feed rates, the operation of a batch-fed incinerator may encounter pressure surges and transient flue gas leakages. A lumped model to simulate the flow, pressure, and temperature behavior of an incineration system was developed, according to the fundamental conservation laws governing the overall balances of flow and thermal-mechanical energies of the system components. The system dynamic responses to flow control and waste burning variations were analyzed numerically. Qualitatively, the results correctly reflected the observed operational characteristics of batch-fed incinerators. The lumped system model can serve as a tool to design control algorithms. The concepts and approaches adopted in this work can be used as the basis for further expansion in details toward the development of an incinerator system simulator for operator training purposes.

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