Abstract

We have applied the technology of expert system which is based on Knowledge Engineering to the furnace condition diagnosis system, which was one of the most important systems of the operation control system on the blast furnace. This expert system is constructed by two systems, the first is the ‘Abnormal Furnace Condition Prediction System’, the second is ‘Furnace Heat Monitoring and Control System’. In these system we used the operator's knowledge and experience, and a large quantity of sensor data that are gathered by an on-line process computer. The important character of this system is that it is a real-time expert system. We developed and applied this system to the relined No.5 Blast Furnace in Fukuyama Works and have achived good results.

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