The Condition Monitor And Maintenance System Of Fan Of Power Plant

Condition Based Maintenance (CM) of equipment is one maintenance mode that use muli-technique, master the equipment's running information, identify the function condition, forecast the occur and development of failure, analyze techno-economy, adopt the most appropriate maintenance mode for the running condition.As deepening of the reformation, especially the reformation of separating plant form net and provding electricity from vie-price, it becomes the core for power plant of reducing the cost, improving the benefit. Because it could effectively cut down the maintenance cost and heighten equipment's reliability, CM is thought much of by power plant.This thesis based on the CM for blower fan of the power plant, sets up the collect frame of CM on investigating and survey, confirms the characteristic and relationship of building up function module.Second, the author makes an introduction of the background in which CBM come into being and its present condition of development at home and abroad, including the illustration of benefits of CBM and some problems exposed in the application of CBM.Third, based upon the brief introduction of the fan of thermal power station, the thesis sets some normal malfunctions and gives a thorough description of Data Acquisition Template for CBS, including the selection of sensors, collocation of measuring points, comparison of DAQ Card and whole blueprint of DAQ.At last, the author develops a program that will be used in signal analysis. This is also the main section of the paper, including the functions of the software, the operation of the program and the process of the development.