The application of our BD7021 slurry pump wear resistant erosion resistant ceramic epoxy coatings:
<Silt pump repairing,sand pump repairing> Zhangjianggang wharf sand pump guard jacket wear resistant repair case
Maintenance workpiece:sand pump guard jacket repairing.
Material: grey cast iron.
The condition before repairing:abrasion caused perforation.
Material selection: BD7021 slurry pump wear resistant erosion resistant ceramic epoxy coating,BD426T special undercoat(topcoat).
Construction tools: angle grinder,wire brush,grinding wheel,plaster knife,plastic knife,rubber hammer,special rounding tools.
Auxiliary materials: cleaning agent,duster cloth,gloves,hair brush,electronic scale.
Construction technology of BD7021 anti abrasion erosion resistant epoxy ceramic coatings for slurry pump repairing:
1.Clean up and polish the pending-repair workpiece on the needing-repair part.
2.Configure BD426T special undercoat and brush coating on the pending-repair part.
3.Configure BD7021 slurry pump anti erosion wear resistant ceramic epoxy coating and be coating on the pending-repair part,knock on it to be compacted with rubber hammer,then trim the surface with special rounding tools,make the surface to be flat and smooth.
4.Configure BD426T special undercoat and brush coating on the workpiece surface of repairing part as the topcoat.
5.Curing for 24 hours.
Material utilization amount: 75Kg BD7021 slurry pump corrosion resistant wear resistant protective epoxy ceramic coatings, 1.5Kg BD426T special undercoat.
Repairing effect: The working life of new pump is 3-4 months,the working life after repairing is about 8 months.
