Can concrete blocks be reused after being crushed? What devices are needed?

Yes, concrete blocks can be reused after being crushed. The process of crushing concrete blocks creates smaller particles that can be used as aggregate in new concrete mixes. The devices needed for this process include a concrete crusher and a screening machine.

1. Concrete crusher: A concrete crusher is a machine used to crush concrete blocks into smaller particles. There are different types of concrete crushers, such as jaw crushers, impact crushers, and cone crushers. The choice of crusher depends on the desired output size and the type of concrete block being crushed.

2. Screening machine: The screening machine is used to separate crushed concrete particles into different sizes. This is necessary as different applications may require different sizes of aggregates. The screening machine uses different mesh sizes to separate particles. The larger particles are sent back to the crusher for further processing, while the smaller particles are collected for use in the new concrete mixture.

In addition to these two main devices, you may also need other equipment such as conveyor belts, loaders, and storage bins to manage the flow of materials and ensure an efficient production process.

After crushing and screening, the resulting concrete particles can be used in various applications, including:

1. As aggregate in new concrete mixes for construction projects.

2. As subbase material for roads, parking lots, and other infrastructure.

3. As backfill for utility lines and foundations.

4. As fill material for landscaping projects and retaining walls.