Applicable to material conveying pipelines with severe wear and scouring, such as mine backfill, concentrate, and tailings transportation; pulverized coal feeding, coal powder, ash removal, slag discharge, desulfurization, and dust removal pipelines in coal-fired power plants; water-quenched slag, blast furnace injection, steelmaking red mud, sintered white ash, and dust removal pipelines in steel enterprises; raw meal, clinker, cement, coal powder, and dust collection in the cement industry, as well as aluminum liquid and titanium dioxide powder conveying pipelines in other industries.