Stone crushing and screening plant is formed by crusher and screen machinery connected by belt conveyor. There are many different types of processes. They can be categorized into the following elements: the number of broken segments, mechanical configuration of the relationship between crushing and screening machinery, whether materials on the screen are returned.
In the selection of breaking and sieving process, the main consideration should be given to the total reduction ratio of broken material, for example, feed particle size and particle size ratio of the final product, the physical properties of raw materials, water size and other factors. When crushing ratio is large, ore should be subject to two or more broken segments.
Jaw crusher has the advantages of big reduction ratio, even granularity, simple structure, liable operation, easy maintenance, economic operation cost, etc. It is widely used for materials with the max crushing compressive strength not more than 320 Mpa in the field of mine, metallurgy, building materials, roads, railways, irrigation, chemical industry, etc.
It is ideally suitable for primary and secondary crushing, with low power consumption and easy maintenance. It is widely used for crushing various materials like stone ,granite , rock , coal ,manganese ore ,iron ore ,fuse aluminum ,oxide ,etc .These crushers are recommended by consultants in this field and are used by hundreds of customers all over the world.
Stone Crushing without screen is known as open circuit broken. The process is simple but the product size is unstable. Ore breaking needs sieving which is called closed-circuit crushing. This process before or after the breaking during the closed-circuit crushing process is divided into inspection and pre-screening.
The latter is before the material being broken. Fine screening can prevent excessive fragmentation and increase the production capacity of crusher to reduce energy consumption. When the ore contains a large water and mud, pre-screening can prevent and reduce the degree of crushing machine being blocked.
For the flux, due to sintering of the limestone used in the general requirements of 3-0mm of the content should be greater than 90% (pellets require more detailed), infiltration plant limestone particle size limit of 40mm, and some even up to 80mm on top, it must be carried out into the limestone crushing plant to reach production size requirements.
Vibrating screen uses vibrating motor as vibration source. Materials on the sieve tosse and then leap forward in a straight line, so as to achieve the purpose of screening and grading the materials. Vibrating screens are very useful in plastic, rubber, ceramic, food, pharmaceutical, chemical, fertilizer, glass industries.
This serious of Vibration Screen is circular vibration and used in quarry for stone classification, beneficiation, coal dressing, chemical industry, building materials and etc. As a classifying machine, it adopts eccentric vibration exciter and trye coupling. It has the features of advanced structure, strong vibration, low noise, easy maintenance and long life.
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