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The first domestically-integrated large-scale air separation unit(ASU) with a capacity of 60 000 m3/h was successfully built and put into operation at Baosteel.Compared with the electrical design of the imported equipment of the same type,this ASU has an electrical protection interlink that is independent from the distribution control system(DCS).With the design idea of simplicity,the ASU features a simplified configuration and an audio alarm system for electrical failures.It helps reduce the failure rate of the electrical equipment and detect failures quickly and accurately.It will effectively enhance safe and stabilized production.The ASU can not only reduce the cost of investment,but also ensure a smooth and stable running of the whole electrical equipment.This study focuses on the experience and understanding of the unit design and commissioning.
The first domestically-integrated large-scale air separation unit (ASU) with a capacity of 60 000 m3 / h was successfully built and put into operation at Baosteel. Compared with the electrical design of the imported equipment of the same type, this ASU has an electrical protection interlink that is independent from the distribution control system (DCS) .With the design idea of simplicity, the ASU features a simplified configuration and an audio alarm system for electrical failures. It helps reduce the failure rate of the electrical equipment and detect thoroughly quickly and accurately. It will effectively enhance safe and stabilized production. The ASU can not only reduce the cost of investment, but also ensure a smooth and stable running of the whole electrical equipment. This study focuses on the experience and understanding of the unit design and commissioning.