Numeriese model van vloei deur 'n vastebedvergasser
The gasifier reactor forms an integral part of the SASOL prosess. It is therefore important that the gasifier must be operated at its optimum and most stable condition. The flow of gas in the reactor has a direct influence on the stability of the gasifier. A technique to measure the flow in the reactor does not exist. In this study the cold, incompressible flow in the gasifier is studied. This was done by solving the mathematical model of flow through a packed bed numerically with a computer program. The computer model was tested successfully against experimental and empirical data. The computer model was used to simulate the flow for different gas inlet and outlet geometries. Recommendations was made that will result in a more stable and optimum operation of the gasifier.
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