Introduction of crusher production line types
Vertical crusher, also known as vertical composite crusher, is widely used in the fine crushing of materials in iron ore, gold ore, cement, glass, ceramics, electric power, and steel industries. First talk about the vertical crusher (that is, the main shaft is vertical). This machine has become a hot-selling product by breaking and replacing mill since it was launched in the 1980s. As a fine crushing process, the average output particle size is ≤3～4mm, and 90% is fine powder, which reduces the input particle size of the ball mill and increases the output. 20% to 30%.
After more than 20 years of development and evolution, the vertical shaft crusher has evolved from single blow crushing to impact counter crushing from the first generation to the fifth generation. The service life of the one-to-one hammer is more than 4 times longer than that of the old model. However, if you choose a vertical crusher for the crushing of highway construction materials, it is a wrong choice, which requires the use of the horizontal crusher we are going to talk about below.
Horizontal crusher (that is, the main shaft is used horizontally). Its types are: horizontal shaft impact crusher, horizontal shaft hammer crusher, ring hammer crusher, etc. The gap and geometric angle of the jaw crusher can produce various specifications of materials required, and the material Good shape (six prism) and high compressive strength. The structural characteristics of the horizontal crusher are: high production capacity, low energy consumption per unit product, large crushing ratio, replacement of multi-stage crushing, that is, when the process conditions are limited, this model can complete product production from coarse to fine crushing. The whole process.
Roller crusher (crushing by the squeezing and shearing force of the rollers). The main advantages are: simple structure, compactness, light weight, reliable work, convenient adjustment and crushing, and the dryer manufacturer (ie, toothed roller crusher) can be used without foundation to apply it to crushing large pieces of material to small pieces of material (Contains a certain amount of moisture), it is unmatched by other crushers. The disadvantages are: low production capacity, continuous and uniform feeding is required, uneven abrasion on the roller surface, product particle size is not easy to be uniform, and frequent repairs are required. Generally, the roller surface of the roller crusher has two types: fixed and replaceable, and there is also a roller surface with teeth.
Jaw crusher is often used as a rough crusher, low cost, large output, strong structure, simple structure, reliable work, large size range of processed materials, strong crushing force, widely used in limestone, iron ore, etc. The compressive strength does not exceed 2500kg of various ores and rocks.
The working principle of squeezing and crushing is adopted to optimize the motion parameters. There are wedges to adjust the discharge port, which reduces the labor intensity and downtime of the workers. The particle size is uniform, which is helpful for the second-stage crushing treatment. It is more convenient and saves space.
In the multi-stage crushing process, after rough crushing and fine crushing, the desired product is formed. This is a common crushing production line. If the output of primary crushing is greater than secondary crushing, or secondary crushing is greater than tertiary crushing, people usually think that primary crushing is good, while secondary crushing and third crushing are not good. In fact, this is not the case, this is a typical selection mismatch caused by the process upside down.
Therefore, when the multi-stage crushing process is arranged, the second bankruptcy volume should be considered to be slightly larger than the first bankruptcy, and so on, so that the process can be smooth. The feeding of the crusher is a place that people easily ignore and ignore. The feeding of the crusher is related to the service life and the normal operating cycle of the crusher, and the feeding must be uniformly fed. So be sure to operate in accordance with the instructions, pay attention to the maintenance and maintenance of the crusher.
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