Análisis de la operación de un horno de reformado industrial basado en datos de planta y simulación de procesos
Resumen
Uno de los procesos fundamentales en la cadena de los combustibles limpios corresponde al reformado de metano con vapor (SMR), que genera H2 necesario en la producción de combustibles bajos en azufre. La identificación de oportunidades para incrementar H2 implica el análisis de variables que afectan el suministro de calor en el horno SMR (precalentamiento-reacción). Este documento presenta los resultados de un análisis del suministro de calor en un horno industrial SMR mediante análisis de datos y simulación con Aspen HYSYS. Para esto, los históricos de ocho años de operación fueron analizados con el algoritmo kmeans. La simulación fue validada con datos de diseño, comparada con los históricos y aplicada para explorar la superficie operativa del horno. Según los resultados, el análisis por kmeans dividió los datos en dos modos de operación, que fueron representativos para el horno; un modo mostró la mayor producción de H2. Asimismo, los resultados de la simulación sugirieron que el incremento en la generación de H2 fue estabilizada en valores elevados tanto en flujo de calor como flujo de gas natural, tendiendo hacia un valor de estado estacionario.
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