In modern process plants, characterized by high throughput rates and conveying velocities, even apparently harmless materials cause significant wear.

Here is a list of typical abrasion problem components:

	- Ash pipelines - Pipe bends - Belt discharge chutes - Pipes - Bunker spirals - Pneumatic backfill lines - Bunkers - Prilling tower bottoms - Channels - Pulpers - Chutes - Receivers
	- Circulating air                 separators - Screw conveyor    troughs and flights - Continuous-flow    conveyors - Separators - Cyclones - Setting basins - Dissolving tanks - Shaft spirals - Drying sections - Sifters - Dust collecting    equipment - Silos
	- Dust collecting pipes - Sinter troughs - Flue-gas ducts - Tailings lines - Flumes - Tanks - Gravel release tunnels - Thickeners - Hoppers of rotary    dryers - Tubular chain    conveyors - Hydrocyclones - Turbo separators
	- Launders - Vibrating troughs - Mixer troughs - Washing drums - Mullers
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