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Green Crusher Making Is In Environmental Protection Projects
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In recent years, with the continuous efforts to strengthen environmental protecton, desulfurization and denitrification have become important steps for power plants, and cement industries entering into the field of environmental protection. While gypsum and limestone are widely used materials for desulfurization and denitration in power plants and cement industries. Therefore, the crushing equipments include jaw crusherhave become the important equipments in environments protection projects.The material. Non-metallic inclusions in steel can lead to stress concentration, the edges of these inclusions are most vunerable to form cracks, thereby reducing contact fatigue life of the material. Organization of materials, and internal defects, and others also have important influence to wear. Generally, small grains, uniform, carbide spherical and uniform distribution, all are conducive to improving rolling contact fatigue life. Bearing steel after processing, the more retained austenite and the thicker of acicular martensite, the lower of surface useful compressive stress and the strength of carburized layer, and the more prone to appear micro-cracks. In the undissolved carbides under the same state condition, the carbon content in martensite is about 0.4% to 0.5%, the cooperation of materials strength and toughness is better, the contact fatigue life is higher. To undissolved carbides, through appropriate heat process, make them tend to be less, small, uniform, avoid bulkey or banded carbide appear, is conducive to eliminate fatigue cracks. Hardness increases within a certain range, the contact fatigue resistance also increases. In addition, the match of two contact roller surface hardness is also very important.Lump ores fall into the dump tray of the upper crushing chamber by the feeder hopper, throw the materials to the cylinder wall by the centrifugal force of dump tray, then will have violent collisions with the impact plate which equipped in the inner wall. Meanwhile, the materials hit each other to make them crush or produce a large number of cracks. Then the materials enter the conical rotor cavity, spiraling down in conical space, by stamping, extrusion, the cracked materials were further crushed. Due to the slope between conical rotal and lining board, it boosts the smaller materials to migrate dowen and realize the step crushing automatically from big to small.Henan Hongxing Mining Machinery Co., Ltd is a joint-stock mining machinery manufacturing enterprise integrated in scientific research, production and marketing of china mobile crushers, hydraulic cone crusher and other commonly used mining equipment, welcome to visit and cooperate with us. Good luck!jaw crusher: http://www.sell-mill.com/product/p1.html
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