The Way That Crushers Handle The Granite
The granite is a kind of material which is hard to be crushed
, but it is usually easier to be crushed than the basalt. Although the hardness of the granite is high, it has certain fragility. Therefore, on the aspect of the design of the crushing process, the process can be relatively flexible designed. If the customers' market price has advantage, you can use two-stage crushing process scheme. However, from the long-term production point of view, the three-stage crushing process is still the most effective method which can reduce production costs.
There are various kinds of crushers, choosing the appropriate one need first understand all kinds of crusher range. And the most commonly used are
jaw crushers and cone crushers, because they can make very hard ore broken. For those who are more rigid ore mining, these are most suitable choices, of course for the road and railway. But many mines, such as copper, iron ore, are not so hard, Then choose to impact breaker is relatively appropriate
If the customers' market has no high requirements of the shape of the finished stones, you can use the solution of the two-stage jaw crusher for production. This configuration needs the minimum investment and the repair and maintenance is the most simple. The production cost is the most economical in all programs. However, the disadvantage of this program is the stone's grain type is relatively poor. There is a higher proportion of elongated material. The competitiveness of the stone on the market is not high, because the high-grade buildings need the stone with the excellent grain shape.
How to choose the crusher equipment according to the need? From the feedback of the customers, when you choose the type of the crusher and the fine crusher, you should know that there is a big difference about the quality requirements of the aggregates according to difference of the level of infrastructure. The mining machinery manufacturers should improve the quality of aggregate sand, which is the inevitable choice of the plant. The selection of the crusher and sand maker is especially important. The general aggregates production process is as following. After the rocks are primarily crushed through the jaw crusher, you can choose the impact crusher or the cone crusher for moderate crushing according to the hardness of the stone and the yield. Finally, the stones are crushed to the standard aggregate particles through the sand maker. The wet sand making is required to be equipped with the sand washer to clean and wash the sand and gravel materials, which finally become the clean and high-quality construction sand and gravel material.
Here is brief introduction about the choice of crusher
Hammer crusher :( ring hammer crusher), also named hammer breaker, is mainly suitable for crushing all kinds of brittle materials minerals. Material that can be crushed by it includes coal, salt, white sub, gypsum, alum, brick, tile, limestone, etc.
Impact crusher: also known as sand making machine, is widely used in a variety of rock, abrasives, refractory, cement clinker, quartzite, iron ore, concrete aggregate and other hard materials in the broken, fine(made of sand)PCL series impact crusher(sand making machine)is perfect on the construction sand, gravel roads.
Roll crusher: also named roller crusher, is suitable for mineral processing, chemical, cement, building materials and other industrial sectors in a variety of medium hardness broken and the crushing of ore and rock.
Jaw crusher: features crushing ratio, even granularity, simple structure, reliable operation, easy maintenance, operating cost and so on.
In order to get excellent grain type products and reduce the production costs at the same time, and then we need to add a laminated crusher between the jaw crusher and the impact crusher. For example, we can use fine jaw crusher and the cone crusher. This configuration can make the crushing work completed by the primary crushing and the secondary crushing and finally integer crushing by the impact crusher. This configuration process can greatly reduce the reverts formed by screening. Too high ration of the reverts in a production line will make the final crusher increase excessive and repeated crushing work, which will make the wear of the wear parts greatly increase correspondingly.
Vibrating feeder : http://www.best-crushers.com/vibrating-feeder.html
Raymond mill : http://www.ore-machine.com/raymond-mill.html
Sand washing machine : http://www.hxjqcrusher.com/crusher/Sand-washer.html
Vibrating screen : http://www.crusher-export.com/circular_screen.htm
by: libby
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