Devcon Maintenance and Repair Solutions - Sintemar

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Field Application Reports Products: Application Date: Customer: Industry: Location 23 Screw Conveyor Trough Repair Ceramic Repair, Brushable Ceramic Blue/Red 3/23/00 West Virginia Synthetic Fuels Coal Prep Problem: Dry coal “fines “ would collect on the trough of the screw conveyer and on the screw flyghts. The constant abrasion will cause cavataion in the trough and prevent proper conveying of the coal. Thusly the trough needed to be rebuilt back to its close tolerance to the flyghts. Solution: First the trough was blasted to a SSPC-SP5 near white blast and solvent wiped. Then Ceramic Repair was applied to the worn gouges and holes in the trough to “build up” the large voids. After the material was cured for at least (4 hours) Brushable Ceramic was applied to a thickness of 30 mils in two coats of 15 mils each. Next the “screw” itself was coated with two coats of Brushable Ceramic (30 mils total) in two coats.
Field Application Reports Products: Application Date: Customer: Industry: Location 24 Heat Exchanger Outer Shell Rebuild Ceramic Repair, Brushable Ceramic 2/20/00 Celanese Fiber Textile Mill Problem: This heat Exchanger is surround by a cloud of chemicals. The vapors from these chemicals attacked the outer shelf the exchanger causing tremendous corrosion and pitting of the metal. L the exchanger started to leak and could nolonger be used in service. WE had to rebuild the entire “metal shell” of the exchanger and get back on line in 48 hours attacking the outside of the core Solution: All loose rust was scraped from the metal shell. Ceramic Repair was applied to the surface at 1/16” thick around the shell. Next fiberglass mesh cloth was laid around the Ceramic Repair while still wet. The cloth was pushed into the epoxy and smoothed out with a plastic scraper. After four hours Brushable Ceramic was coated over the fiberglass cloth at 15 mil thick. After 2 hours another coat of Brushable Ceramic was applied. The entire shell was rebuilt with epoxy and all leaking and rusting completely stopped!
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Devcon Maintenance and Repair Solutions - Sintemar

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