Mobile crusher station, it is a series equipment for rock crushing, Construction waste process and Open pit mining equipment. It uses an integrated car plant, high flexibility, it’s design purpose is standing on customer’s position, Efforts to eliminate the obstacle at crushing site, surroundings and Complex geographical environment, Broaden the scope of broken, increase the crushing strength.Therefore, the mobile crushing plant can be automatically driven to anywhere in the workplace, and work to reach the scene, without having to install. It can be directly into the crushing operation, saving hours and transportation costs; this is the unique advantage for mobile crusher that the stable crusher can’t compare.
Mobile track-mounted crushers or stationary crushers are used in the crushing process. An excavator or wheeled loader loads the rock to be crushed into the crusher’s feed hopper. The feeder moves the rock material to the crusher.
The crusher breaks the rock into smaller grain size. The biggest crushers can crack boulders that are about one cubic meter in size. The crusher is powered by a diesel engine. From the crusher, the rock material is dropped onto the main conveyor that moves the end product upwards and then drops it into one big pile or into the feed hopper of the next crusher. Metal in the rock material moving along the main conveyor can be separated with a magnet separator, which throws the metal pieces to the side of the conveyor.
The finer portion of the rock material can be screened out already before it advances to the crusher. The screened material can be directed to the main conveyor and will thus end up in the same pile as the end product, or a secondary conveyor can direct it to a separate pile. With some crushers, equipment attached under the main conveyor can screen and sort the end product into two or three separate piles based on the fraction size. The end product piles are removed as needed with a wheeled loader and the material can be loaded onto trucks, for instance. classifiers:http://www.hxjq-mill.com/products/screw_classifier.html
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Different types of crushing units
The footprint of small, stationary rock-crushing plants is about one hectare, medium-sized 2– 3 hectares, and large plants up to 5 hectares. Stationary crushing plants consist of various crushers, feeders, screens and conveyors.
Mobile track-mounted crushers can be moved at a speed of about one kilometer per hour. The parts of mobile crushers used in quarries and contracting include e.g. the crusher, a diesel engine, a generator, a conveyor, a screen and dust- and noise-control systems.
There are several different kinds of crushers. A jaw crusher is used at the beginning of the process, i.e. in the primary crushing phase to crush the largest boulders. Jaw crushers can crush all types of rock, including the hardest granite, brick, concrete and asphalt.In a jaw crusher, a moving jaw attached to an eccentric shaft compresses the rock against a stationary jaw and the pressure crushes the rock. The grain size achieved with a jaw crusher depends on the distance, or setting, of the lower part of the jaws.
Gyratory and cone crushers
Gyratory and cone crushers are generally used after the jaw crusher for secondary and tertiary crushing. As such, the goal is to produce ballast or fine sand. Gyratory and cone crushers crush all types of rock but not always recycling materials.
Big primary gyratory crushers are used in mines during primary crushing and in other mining and quarrying applications requiring large capacities.
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