The use of infrared thermography technology in Lanzhou Petrochemical Industries Co of the 1400000 ton/year catalytic device for reaction-reproduction system monitoring,through the detection data to judge the heat equipment lining damage cases,judges the device part position of defect damage,if the process control of a slight negligence,with cases a serious accident.Through this special inspection,as a device to provide a scientific basis for safe operation.Through the application of non-destructive testing technology of key parts,executive key monitoring,safeguard the normal running of the device,to meet the needs of production and operation of the plant.