The working principle and application of polyurethane
Release time:
2023-06-26 14:27
The polyurethane raw material is an active elastomer material. After being subjected to stress, the shape change of the polyurethane lags behind the stress action time, thereby converting most of the scouring force generated by stress into internal energy and dissipating it in the form of thermal energy. The remaining small portion of the scouring force rebounds back to the conveying medium with the hysteresis deformation of the polyurethane to offset the subsequent stress scouring. Therefore, this characteristic of polyurethane cleverly utilizes the use of force to reduce the wear and erosion of the conveying medium against the wear layer, achieving unexpected durability effects. Many industry experts praise steel lined polyurethane composite pipes as the "Tai Chi" of the wear resistance industry.
Steel lined polyurethane composite pipes have excellent comprehensive properties such as wear resistance, acid resistance, alkali resistance, scaling resistance, radiation resistance, hydrolysis aging resistance, high elasticity, and mechanical impact resistance. It can be widely used in industries such as power, coal, mining, building materials, chemical engineering, etc. to transport grinding particle materials and corrosive media such as coal powder, ash, mineral powder, aluminum liquid, mud, etc.
Power industry
The use of steel lined polyurethane composite pipes for the ash removal pipes, ash slag pipes and ash water recovery pipes of Fossil fuel power station can better reflect its advantages for the fresh water, sea water ash removal and acid medium transportation systems of the power plant.
Coal industry
Plumbing for dense medium coal preparation and long-distance coal handling in coal washing plant. Sand backfilling in Coal mining.
Mining industry
Iron ore slurry, mining concentrate, tailings transportation system, closed loop pipeline for mining flotation system, and water and sand transportation for gold mining.
Building materials and chemical industry
The transportation of coke particles in steel plants, red mud in aluminum plants, coal powder in cement plants, and the transportation of corrosive acids, alkalis, salts, and corrosive solids, as well as liquid pipelines, such as pipeline transportation in oil mining, sludge removal engineering, urban water supply systems, and aluminum liquid transportation pipelines, all have obvious effects.
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