Proceedings PaperUse Of Thermography To Establish A Maintenance Program For A Pelletizing Mill
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Thermography, or temperature maping, is a useful preventative maintenance and maintenance tool. Although thermography is a useful tool, it is a very expensive equipment investment and requires a highly skilled person to apply the thermoscanning equipment effectively. One of the concepts of preventative maintenance, or maintenance application, is to develop temperature maps depicting thermal levels at various geographic locations. This concept provides a number of advantages. One advantage is that after the maping is completed a less sophisticated and expensive piece of equipment can be used by operating or maintenance personnel to measure temperatures. By comparing the temperatures to the geographic maping, an evaluation of the mill's material condition can be made. If thendll's material condition has deteriorated, the information would help direct a corrective opera-ting procedure away from the weak spots to slow down the deterioration process until maintenance can be performed. Another advantage is that the record of regular checks, made with the less sophisticated equipment done by operating or maintenance personnel, would eventually aid in determining a life cycle of high thermally-stressed areas of the mill. With this collective information it is possible to forecast failure in critical areas, and schedule, at an operationally convenient time, a mill shutdown for repair.