What types of concrete crushing machinery are available

Concrete, commonly known as ‘concrete,’ is a construction material made by mixing cement as a binder, sand and gravel as aggregates, and water in specific proportions. As various construction projects are carried out, large amounts of waste concrete are generated. Disposing of it as waste would be a pity. Now there is an economical and environmentally friendly solution: crushing the concrete and reusing it. So, what types of concrete crushing machinery are available?

Currently, there are many types of crushing machinery available on the market. Waste concrete primarily consists of hardened cement paste and aggregates, with relatively large particle sizes. Therefore, the equipment options can be broadly categorised into two main types: fixed-type (including jaw crushers and impact crushers) and mobile concrete crushers. Each type has its own advantages and disadvantages, so the choice should be made based on specific requirements.

1. Fixed-type concrete crushing machine

If the site is concentrated, with large raw material volumes and high production requirements, this fixed-type machine is highly suitable. The entire production line requires relatively low investment, with a payback period of less than one year. It requires the configuration of feeders, vibrating screens, conveyors, etc. The concrete must be recovered from the demolition site, transported to the processing site for further processing, and the construction process requires the installation of ground anchors.

Jaw crusher:

This machine can crush concrete blocks up to 1.2 metres in size. Its core components are a pair of movable jaw plates (moving jaw) and fixed jaw plates (fixed jaw). The motor drives the eccentric shaft to cause the moving jaw to perform periodic reciprocating motion, exerting squeezing and splitting forces on the material to complete the crushing process. The crushing chamber is deep with no dead zones, and optimized motion parameters result in a larger lower stroke and higher crushing ratio. Additionally, it uses wedge blocks to adjust the discharge opening, enabling adjustable finished product size and uniform particle distribution. The motor base and main unit are integrated into a single structure, simplifying installation and saving space.

Impact Crusher:

The machine uses a high-speed rotating rotor to drive impact plates, which collide with the stone material fed into the crushing chamber to break it. Subsequently, the material undergoes secondary impact, friction, and fracture processes on the impact plates, achieving fine crushing. The machine's unique wedge-type fixing system ensures the stability and reliability of the impact plates during high-speed rotation of the rotor. Additionally, the built-in adjustment mechanism facilitates adjustment of the discharge particle size, ensuring good shape and particle size of the finished stone.

2. Mobile Concrete Crusher

If you are contracted for concrete recycling at various construction sites, we recommend this model. Construction sites are often chaotic, and each site is far apart. The mobile crusher can be directly transported to each site, requiring only simple installation to begin operation. It has a short cycle time and does not delay the construction schedule. One or two people can operate it, saving time and effort.

Towed by a semi-trailer truck, with a short wheelbase and small turning radius, it can be driven directly to the work site. It adopts a modular assembly design, integrating all single-unit equipment onto a single vehicle, including feeding, crushing, screening, and conveying functions. No foundation work, disassembly, or reinstallation is required, resulting in a small footprint and the ability to move independently. This enables short project timelines and rapid deployment, with the option to replace or upgrade equipment later to meet varying production needs.

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