2022-5-16
Many users will have doubts when configuring equipment. The same is limestone, why some people use cone crusher, and some people use Impact crusher. In the same granite gravel field, some people also use Impact crusher. Isn't it for soft stone and cone crusher for hard rock? From this, the editor thought that there may be many friends who are new to the crushing industry. They don’t know the types of stones that can be broken by cone crushers and Impact crushers, and they don’t know clearly about these two types of equipment. Therefore, I have compiled this article in detail. I hope Friends who see it can have a better understanding of Impact crusher and cone crusher.
Both are secondary crushing equipment. The obvious difference between impact crusher and cone crusher lies in the difference in crushing principle and appearance structure, which is easy to distinguish. The impact crusher adopts the principle of impact crushing, and the material is repeatedly impacted and crushed between the plate hammer and the lining plate; the cone crusher adopts lamination crushing, and the rolling mortar wall continuously moves to the crushing wall to squeeze and crush the material.
For the same limestone, why do some people use cone crushers and some people use Impact crushers? This is mainly due to the vast territory and large geographical scope of our country. Although the north and south are called limestone, due to the different natural formation environments and conditions, the ingredients mixed in limestone are different. Generally speaking, the Mohs hardness of limestone is 3.5. Between -4, the impact crusher can be used for crushing; however, if there are many impurities in the limestone, the overall hardness of the stone will also be increased, which is not conducive to the impact crusher. At this time, it is not necessary to use the cone crusher.
The same reason is also applicable to granite. For customers with small output and high quality requirements, impact crushing can also be used to crush granite. In addition, the impact crusher is used in the production of granite crushed stone production line. There is also a common situation, that is, for stone shaping, the impact crusher has a uniform particle size, polygonal prism, and few needles. It is a common equipment for high-quality sand and gravel processing, which commonly used in granite stone shaping operations.
After reading the above introduction, I believe that your understanding of Impact crusher and cone crusher will be further improved, and at the same time, you will also clear up a lot of doubts about the manufacturer - many customers do not understand why the manufacturer keeps asking about the processing stone, mining operation points and other information, and they should also answer " Although it is limestone, the manufacturer has always recommended cone crusher." I understand this situation. In addition to the different crushing ranges and discharge effects described in the above article, the following differences are introduced. Customers who want to buy should also be familiar with them. The choice of a piece of equipment is not only a matter of fancy, but also needs to be combined with the feed , output, output, stone type, terrain, customer budget and other factors comprehensive analysis, only in this way, you can harvest the equipment you want.
1. Different types of crushed stone
Impact crusher and cone crusher are often used for different hardness ranges of materials. Generally speaking, cone crusher mainly crushes some materials with higher hardness, such as granite, basalt, tuff, etc., while impact crusher is used to crush materials with lower hardness, such as limestone, limestone, etc. In a word, the impact crusher is suitable for crushing low toughness and brittle materials with medium hardness and below, and the cone crusher is suitable for crushing hard materials.
However, some unreasonable stone hardness, considering the economy and practicability, can also be used interchangeably between the two.
2. Different particle size
Generally speaking, the material crushed by the cone crusher is thinner than that of the Impact crusher. In actual production, the beneficiation requires finer crushing and discharging granularity, and more cone crushers are used; while in building materials and construction projects, the demand for stones is high, and more Impact crushers are used.
3. Different grain types of finished products
The particle shape of the Impact crusher is good, and the proportion of needle-shaped finished products is small, but the powder is large; the finished product of the cone crusher has more needle-shaped particles, and the particle shape is not good, but the powder is less.
4. Different production capacity
The volume of counterattack bankruptcy is 55-750t/h, and the volume of cone bankruptcy is 55-1200t/h.
Compared with the impact crusher, the cone crusher has the characteristics of low energy consumption, large output and stable production, so the cone crusher is often used in large-scale and high-output production line operations.
5. Different production costs and different selling prices
The price of the cone crusher is more expensive than that of the Impact crusher but its wearing parts have a longer life, which avoids the trouble of frequent replacement of parts. In the long run, the cone crusher is more cost-effective than the Impact crusher.
It can be understood that the purchase cost of the impact crusher is low in the early stage and the maintenance cost in the later stage is high; the cost of the cone crusher is high in the early stage and the investment cost in the later stage is low.
To sum up, it can be seen that the Impact crusher and the cone breaker have their own advantages and disadvantages. In actual production, we need to choose which equipment to choose, we also need to choose according to different materials, granularity of incoming and outgoing materials, and output. It is suggested here that if it is a small stone production line, it is enough to use the impact crusher. If it is a large-scale stone production line and the material is hard, choosing a cone crusher is more cost-effective for long-term production. If the requirements for the discharge particle size are very strict, a shaping machine can be added (both impact crushing and heavy hammer crushing can be used).
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