How polyurethane screen panel High Elasticity And Efficiency Can Improve mining Operations
polyurethane screen plate uses
Washing and screening of materials in metallurgy (iron ore, limestone, fluorite, cooled blast furnace slag, coke and other raw materials), non-ferrous metals, yellow, coal, chemicals, building materials and hydropower projects, abrasive waste treatment, quarries and other industries. Grading and other industries. New structural model screen plates with various format specifications and screen hole sizes are especially suitable for occasions with strong impact, high hardness and high wear resistance. Wear-resistant screen plates are used for fine crushing and screening of iron ore, raw coal classification, gold, building materials, and screening of sand and gravel in hydropower and nuclear power projects.
The Benefits of Using Polyurethane screen panel High Elasticity And Efficiency in Mining Applications
Which is better, polyurethane screen plate or rubber screen plate?
Generally speaking, the wear resistance of polyurethane is 10 times that of rubber and 3 to 4 times that of steel. But why isn’t polyurethane used in high-speed car tires? Because ordinary polyurethane has hysteresis heat, which causes molecular chain breakage after accumulation, this is its fatal flaw and a global problem. In addition, the strength and tearing of ordinary polyurethane are very good at normal temperature, but under the use conditions of 80 degrees, the strength drops to 50% of normal temperature and 20% at 100 degrees, and the tearing also becomes very poor and easy to break. .
In the same way, using ordinary polyurethane to make sieve plates is not necessarily better than rubber. I have been engaged in polyurethane elastomer research for more than 20 years after graduating from college. As far as I know, there are many companies in China that make polyurethane sieve plates, and there should be no one. can solve this problem.
I have been studying the hysteresis heat problem of polyurethane for 10 years. Let’s put it this way, an ordinary small polyurethane wheel cannot survive 1 minute at 10 kilograms of force and 3000 revolutions per minute, leaving only a layer of skin.
The conditions for making sieve plates, sand pump impellers and other products are much lower. It is unrealistic to use 10 times the rubber, but several times should be fine.
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