‘‘‘‘BD7021 anti chemical impact corrosion abrasion wear high temperature resistant epoxy coatings
used in Zhangjianggang wharf sand pump guard jacket rubber ceramic lining pipeline repairing and protecting
Maintenance workpiece:sand pump guard jacket,ceramic rubber liner pipeline
Material: grey cast iron.
The condition before repairing: abrasion caused perforation.
Material selection:
BD7021 slurry pump repair epoxy compound super anti abrasion wear resistant 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 super anti wear abrasion resistant slurry pump repair epoxy coatings:
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 super anti wear abrasion resistant repair 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 super anti abrasion wear resistant slurry pump repair compound epoxy 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.
Range of application for BD7021 slurry pump anti abrasion wear corrosion resistant repair coating:
Used in the repairing and pre-protecting of slurry pump,centrifuge,cyclone,chute,classifier,jet machine,flotation machine,grit mouth,
slurry mixer and the transporting pipe elbow of heavy medium erosive wear.
Construction case photos show: