What kind of cone crusher is the best
Cone crusher for crushing equipment, its product grain shape is the main index. Especially in some areas, the particles of cone crusher products are required to conform to the standard, so the grain shape control is necessary. Cone crusher is widely used in metallurgy, construction and other fields, play a key role in the production process.
Introduction of What kind of cone crusher is the best
Main work object for ore material, its grain shape is the main indicator of product quality, generally can be divided into cubic shape and needle flake.
Needle proportion of sheet particles to the piece rate, is the quantitative indicators. The main factors influencing the needle piece rate including ore type, type of crusher, crushing stage, feed particle size, the closed side discharging mouth size (CSS), material feeding amount and eccentric shaft speed.
In the field of construction, concrete aggregate in needle flake particles increase to cause a decline in building the overall compressive strength, and increase the cement consumption in the process of construction; Similarly, in the asphalt mixture, the increase of needle flake particle mixture can also lead to the overall density and compressive strength and tensile strength decrease. For broken needle piece rate, therefore, plays an important role on the quality of the product.
Then in view of the cone crusher broken needle piece rate control to explain: the material through the cone crusher broken cavity, the needle piece rate increased sharply, according to the events of the extrusion reaches a certain level and then gradually fell back. Combining with domestic and foreign related research found that material before entering the crusher, filtered or granularity separation process after its grain size becomes more uniform; Into the crushing chamber, the material squeeze broken, began to appear needle flake particle, as more and more material particles squeeze broken, needle shape particles increased sharply; When extrusion events to further increase, part of material particles, including needle flake particle start is being squeezed from two or more times.
Stage in the second half of the crushing process, crushing cavity material in needle piece rate decreased, and return to the ideal range. Visible, in the process of cone crusher work, extrusion increased frequency of the incident, is beneficial to reduce broken needle flake particle of product. So the spindle speed can increase to a certain extent, improve the grain shape of broken product quality.
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