Abstract
Large flue gas turbine unit is the key equipment in Catalytic Cracking unit of oil-fining plant and it plays an important role in energy saving. As operating in variable condition and high temperature harsh environment, the fault rate of the unit is relatively high. Once faulty happens, enormous economic loss will be caused so it is very important to make condition monitoring and diagnosis. The remote monitoring and diagnosis technology is a new fault diagnosis mode combining with computer technology, communication technology and fault diagnosis technology. Making large flue gas turbine unit as research object, this paper introduces different modes of condition monitoring and diagnosis system, then elaborates overall structure design of the remote monitoring and diagnosis platform constructed, and analyses application of the platform for the unit in detail. The platform can take full advantage of technical support and data sharing to perform remote monitoring and fault diagnosis as well as prediction effectively, improve success rate of fault diagnosis for the unit greatly, and provide technical means to achieve predictive maintenance for large unit.
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