Mclanahan impact crushers are found in a wide variety of applications.The most common is processing limestone, but any sedimentary stone and some metamorphic stone are suited for impact crushing.Impactors also operate in manmade materials with similar characteristics as sedimentary stone.Even in some rather abrasive materials, like steel slag and demolition concrete rubble, impactors are the favored means to attain a repurposed and value-added product.In quarry operations, the use of impactors also provides a means to remove deleterious minerals.If the feed material includes soft stone, the impact force will reduce the soft stone finer than the harder rock.A screening process will then allow the soft deleterious material to pass through and out of the flow to the rest of the plant.
Impact crusher; spiral chute; screening equipment; classifying equipment; sand washing machine; famous machines. aggregate aggregate gradation chart national slag association.
Compare to hammer crusher,impact crusher has bigger reduction ratio and can fully use the high speed impact energy of entire rotor.But because the impact crusher board hammer is extremely easy to wear, it also is restricted in the hard material stave application.Impact crusher is usually used to break thick garrulous, garrulous or the limestone, the coal, the calcium carbide, the quartz, the dolomite, the curing iron ore, the gypsum and the industrial chemicals which are hard following brittle material.
The whole pcl certical impact crusher including feed hopper, classifier, whirl pool cacity, impeller, main bearing assembly base, transmission device and motor etc.Operating pinciple is as follows: the materials enter the crusher through feeder hopper, which is divided into two parts, one part through the middle of classifier entering into the rotating impeller at high speed, then accelerated, whose speed can reach hundreds of acceleration, then is shot through the tunnels around the impeller by the speed of 60-75 meter/second.First the materials will impact with some materials fallen around classifier, then impact on the whirlpool cavity's scaleboard together, then will be rebounded and impact on the top of the whirlpool cavity, then changs its direction and goes down, forms continual material layers with the materials shot from the impeller.Therefore some materials will be impacted, crusher, milled twice or more times in the whirlpool cavity, then crushed matetials will be excluded through the bottom discharginghole.This can from a closed circulation through the circular classifier system; in general, materials can be crushed into 20 mesh through thrice circulation.Airflow self-circulation in the whirlpool cavity can eliminate the dust pollution well.
Sandvik has announced the launch of their next generation 2 series impact crusher.The new qi442 tracked mobile impact crusher was announced on june 14, 2019. the newest addition features the ci621 prisec impactor.The read more.
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