From FLIR

With the onset of a predictive maintenance program using infrared thermography to track temperature, downtime has been prevented due to failure of blast furnace upper assemblies, enabling management to better optimize time during planned outages. By monitoring the temperature, management has been able to change out faulty upper assemblies during planned outages or take preventive measures until they can be replaced. This has not only saved the company a substantial amount of money, but it has also increased the safety of the workplace. By tracking the temperature changes in a spreadsheet, we were able to determine which areas most commonly failed. This information allowed us to review the design and make changes that would increase the life of the upper assembly and decrease the operating temperature. In addition, knowing the condition of the upper assemblies has improved safety for the people working in the area. This kind of program is not limited to upper assemblies. It can be used to monitor the condition of refractory, gas mains, and more. This paper will explain why the program is necessary and describe the many benefits the use of infrared thermography on upper assemblies has provided.
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