Mobile Crusher Structure and Working Principle

2025-06-29

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Table of Contents

1. Crusher

The crusher is the core component of a mobile crushing station, responsible for processing construction waste. Since construction waste is generally composed of medium-hard materials with low stickiness and minimal moisture requirements, the crushing system must meet specific material processing standards.

To improve the quality of recycled aggregates, the goal is to produce granular materials while minimizing the amount of flaky particles. The performance, efficiency, and output size of the crusher must be controlled within defined standards to ensure consistent quality.

2. Screening System

To produce high-quality recycled aggregates, a secondary crushing process is often required if the first crushing doesn’t achieve the desired particle size. The screening system selects oversized concrete blocks and sends them back to the crusher for further reduction, ensuring effective processing of construction waste.

3. Waste Sorting Device

Construction waste frequently contains unwanted materials such as scrap wires and steel bars, particularly within reinforced concrete. A waste sorting device is integrated into the mobile crusher to separate these materials, minimizing their impact on the performance of recycled aggregates.

4. Vibrating Feeder

Directly feeding large volumes of construction waste into the crusher can cause uneven loading and operational issues. To solve this, a vibrating feeder is installed before the crusher. It ensures uniform feeding and gradually moves material forward. Smaller particles pass through the gaps between bars, achieving pre-screening and reducing the crusher’s workload.

5. Self-Propelling Unit

Mobile crushers are equipped with either tire-type or crawler-type undercarriages:

  • Tire-type systems: Easy to move on standard roads, with small turning radius and quick deployment on construction sites. Highly flexible and time-saving.
  • Crawler-type systems: Provide stable movement with low ground pressure, making them suitable for wet or rugged terrains. Typically powered by fully hydraulic drive systems for high reliability and strong traction.

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