Devcon Maintenance and Repair Solutions - Sintemar
Devcon Maintenance and Repair Solutions - Sintemar
Devcon Maintenance and Repair Solutions - Sintemar
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Field Application Reports<br />
Products:<br />
Application Date:<br />
Customer:<br />
Industry:<br />
Location 49<br />
Chute Lining <strong>Repair</strong><br />
Wear Guard Fine Load<br />
4/1/95<br />
Canada Cement Lafarge<br />
Cement Manufacturing<br />
Problem:<br />
The flow of water <strong>and</strong> aggregate mixture feeding into the ball mill would cause extreme wear to these<br />
infeed chutes. Past repair procedure was to fabricate <strong>and</strong> install abrasion resistant plates as a liner.<br />
Abrasion resistant plates were expensive <strong>and</strong> usually required several days to fabricate.<br />
Solution:<br />
Existing Abrasion resistant plates were removed. Flat exp<strong>and</strong>able metal was tack welded in a raised<br />
position 1/8” above the actual substrate. Tack welding exp<strong>and</strong>able metal provided a mechanical bonding<br />
surface <strong>and</strong> offered improved resistance to the impacting of aggregate. Chute was then s<strong>and</strong>blasted to a<br />
SSPC-SP5 white metal finish. Complete repair areas were then chemically cleaned using Cleaner Blend<br />
300. Wear Guard Fine Load was applied to a thickness of 3/4” pressing through the exp<strong>and</strong>able metal,<br />
establishing complete contact to the substrate. Wear Guard Fine Load was smoothed, feathered <strong>and</strong><br />
sculpted using acetone following gel point.
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