19 mm to 37.5 mm (Coarse Aggregates): Used in structural concrete, road bases, and railway ballast.
The discharge of 19-37.5mm coarse aggregate mainly depends on the combination of crushing equipment and screening equipment. The following are some types of equipment that can discharge coarse aggregate in this particle size range:
It is suitable for the coarse crushing stage of materials, can handle large pieces of raw materials, and control the discharge particle size by adjusting the gap of the crushing chamber. Although it may not directly produce a particle size of 19-37.5mm, it can be used as preliminary crushing equipment in the crushing production line to provide suitable raw materials for subsequent screening.
It has a high crushing ratio and a high degree of automation, and can accurately control the discharge particle size. By adjusting the parameters of the cone crusher, it is relatively easy to obtain coarse aggregate that meets the particle size requirements.
It is mainly used for the crushing and shaping of medium-hard materials, and can also control the discharge particle size by adjusting the gap between the crushing chamber and the impact plate. In some configurations, it can produce coarse aggregate close to or in line with the particle size of 19-37.5mm.
Vibrating screen: It is indispensable screening equipment in the aggregate production line, which separates aggregates of different particle sizes through vibration. In the process of discharging 19-37.5mm coarse aggregate, the vibrating screen will play a key role. By configuring the appropriate screen aperture (such as 19mm, 26.5mm, 31.5mm, 37.5mm, etc.), the coarse aggregate of the required particle size can be accurately separated.
In actual production, crushing equipment and screening equipment are usually used in combination to form a complete aggregate production line. For example, the raw material is first coarsely crushed by a jaw crusher, then medium and finely crushed by a cone crusher or an impact crusher, and finally screened by a vibrating screen to obtain coarse aggregate that meets the particle size requirements.
It should be noted that different production line configurations and raw material characteristics may affect the final product particle size. Therefore, when selecting equipment and adjusting parameters, it is necessary to adjust and optimize according to actual conditions flexibly.
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