Polyurethane sieve plate is suitable for metallurgy, coal, chemical industry, construction and many other departments of the vibrating screen, for the bulk material in the fine-grained level screening, dry and astringent sieve can be. Can also be used for certain corrosive materials classification.
Advantages of polyurethane sieve plate
1, long service life, large bearing capacity. As the polyurethane elastic sieve plate using steel wire rope as the skeleton material, coupled with the polyurethane itself has a very high modulus of elasticity, high strength to absorb the impact, high wear resistance, and thus has a very high tensile strength, and its load-bearing capacity is more than 2.5 times of the rubber sieve plate. Its service life is 8-10 times higher than that of ordinary metal screen plate, 3 times that of stainless steel screen, 3.9 times that of natural rubber, and it is the best wear-resistant screen surface material in the world at present. Polyurethane sieve plate production material is a polymer organic elastomer, with excellent wear resistance, flexural resistance, large bearing capacity. The raw material of polyurethane sieve plate has undergone special treatment to ensure that it will never delaminate under long-term alternating load.
2、High screening efficiency. The screen surface has its own self-cleaning performance, no blockage of holes and high screening efficiency. Because of the strong water permeability of polyurethane, sieve cone angle (140 degrees), so it can effectively prevent the adhesion of wet fine particles, so it is suitable for screening and grading of wet fine-grained materials. Our polyurethane sieve plate adopts imported raw materials, its elastomer and its own good tensile performance, in the dynamic situation to effectively avoid plugging the hole phenomenon.
3, the scope of application is wide, the professional applicability is stronger, applicable to any type of vibrating screen machine and can be made in quantity. Polyurethane sieve plate is professionally used in hydropower station, building materials and other metal mining industry. 0.1mm-170mm range of various materials screening, no matter dry screening, wet screening will not affect the screening efficiency. For 0.5m – 3mm range of dewatering, de-mediation sieve, more fully demonstrated the superiority of polyurethane screen surface. The product is water-resistant, corrosion-resistant, aging-resistant and easy to replace and maintain. Polyurethane density is small ( 1.32kg/ m 3 ), the weight is lighter than the metal sieve surface, can reduce the production of unit consumption, so it can adapt to the large-scale development requirements of the sieve machine.
4、High screening precision. Polyurethane sieve plate production process adopts mold casting molding process, accurate aperture, screening quality is high, the particle size of the material under the screen can be very good in line with the user’s requirements. Simple installation, convenient replacement and maintenance, the product is suitable for any type of screening machine, light weight, for on-site installation or replacement and maintenance, greatly reducing the workload.
5, low noise, in line with national specifications for environmental noise standards. According to the actual determination, the same sieve machine using polyurethane sieve plate than metal sieve plate can reduce the noise of 5-20 dB, and greatly reduce the dust flying, so that the production site has a quiet and clean working environment.
6, significant economic benefits. Although the price of polyurethane rubber screen surface is higher than the metal screen plate, but if we consider the screening efficiency, maintenance costs, service life and other factors, we will find that the overall benefits of polyurethane screen surface is much better than ordinary metal screen surface. According to the survey, each use of a ton of polyurethane rubber screen can save 45 tons of steel. Save maintenance costs of more than 40,000 yuan. Therefore, polyurethane screen surface instead of steel screen surface will be the inevitable choice of the vast majority of enterprises in the future.