Which crushers are commonly used in stone yard sand production line?

Issuing time:2019-09-10 10:47

Generally speaking, the equipment configuration of stone yard production line is mainly composed of crusher, sand making machine, feeder, screening machine, sand washing machine and so on. Each equipment is connected with the belt conveyor in the middle. The whole line operation, sand aggregate particle shape is excellent, uniform, finished products can be used in construction, highway and other fields.




1. Crushing equipment: such as jaw crusher, impact crusher and other crushing equipment. Because all materials must be crushed before they are made into sand and gravel, with uniform particle size, which meets the requirements of the next process, and materials that do not meet the requirements should continue to be crushed to meet the requirements directly.




2. Fine crushing equipment: Fine crusher or high efficiency fine crusher can send the crushed material from feeder to fine crusher for further fine crushing and fine crushing to meet the requirements of sand making machine. At this time, impact should be circular vibration screening. If it does not meet the requirements of sand making machine, it should be screened. It will return to the crusher and continue to finish fine crushing.




3. Sand-making equipment: Sand-making equipment is a very critical equipment, which affects the effect of product display. Our technicians recommend two grinding principles of sand machine, according to the hardness, clogging degree and density of materials to choose different grinding principles, so that the product is more uniform, will not appear too large or particle size phenomenon.




4. Sand washing equipment: Generally speaking, the sand washing machine is used. It will evenly enter the sand washing machine and clean up the sand grains. Clean sand and stone can be directly packaged and transported to major industries for use.




Sandstone aggregate production line






Production process of stone yard production line






Generally speaking, the crushing equipment of sand production usually adopts two stages: coarse crushing and fine crushing. Jaw crusher is often used for crushing, impact crusher and cone crusher are used for secondary crushing, impact crusher is often used for fine crushing. The basic technology is that the ore is evenly fed into jaw crusher by vibration feeder. The first stage is crushed by jaw crusher, and the crushed stone by heavy hammer is about 150 mm ~ 300 mm. Material is sent back to impact or hammer to break through vibration feeder. Material is classified and screened through circular vibration screen. Material larger than finished product is returned back to impact and broken again. In the case of need for finer grain size, the stone below 40 mm can be fed into the sand machine, the product can be screened by circular vibrating screen, and the finished product area can be put into the finished product area after being cleaned by belt conveyor conveyor sand washer.


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