In accordance with the technical requirements of the full hydrogen bell anneal furnace(BAF)used for the annealing of stainless steel coils in the Baosteel Stainless Steel Business Unit,the design concept for the automatic control system was introduced in the paper.The major points described concerned the infrastructure of computers and networks,system interfaces,control functions,etc.The process control system of the full hydrogen BAF(L2)was the topic and its seven main functions were introduced.The expected output was achieved and manufacturing efficiency was enhanced within three months after the BAF units were put into operation,which demonstrated that the design concept of the automatic control system introduced in the paper was correct and that its functionalities were effective.
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