Coal Exhauster Wear Plate Repair PROBLEM Case Studies A southeastern utility was experiencing excessive material loss on the wear plates around the outlets of the coal crusher exhausted fans. Since these plates were made of special hardened alloys, welding repair was expensive and time consuming. Attempts at rebuilding with a troweled on epoxy mastic over thick metal support screens, only gave a short time protection. Also, the work involved in welding the support screens and then troweling the material to a depth of up to 1 inch was still time consuming and expensive. SOLUTION The wear plate resembled an 8' diameter washer with a 3.5' inner hole. The heaviest wear was in the 10-12 o’clock position. DUROMAR HAR, 100% solids, high abrasion resistant product was used to reprofile and line th

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