Application of abnormal event detection technology to...

C - Chemistry – Metallurgy – 10 – B

Patent

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C10B 29/00 (2006.01)

Patent

CA 2649863

The present invention is a method for detecting an abnormal event for process units of a Delayed Coking Unit. The method compares the operation of the process units to statistical and engineering models. The statistical models are developed by principal components analysis of the normal operation for these units. The engineering models are based statistical and correlation analysis between variables. If the difference between the operation of a process unit and the normal model result indicates an abnormal condition, then the cause of the abnormal condition is determined and corrected.

L'invention concerne un procédé de détection d'événement anormal destiné aux unités de traitement d'une unité de cokéfaction différée. Dans le procédé, le fonctionnement des unités de traitement est comparé à des modèles statistiques et de mise au point. Les modèles statistiques sont formés par l'analyse de composants principaux du fonctionnement normal des unités. Les modèles de mise au point sont basés sur l'analyse statistique et de corrélation entre des variables. Si la différence entre le fonctionnement d'une unité de traitement et le résultat du modèle normal indique un état anormal, la cause de l'état anormal est déterminée et corrigée.

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