How can stone chips be made into machine made sand? How to Realize Sand Production from Ore Waste

Stone chips can be converted into machine-made sand through a series of processing steps, which involve crushing, screening, and washing. Here's a general process flow for converting stone chips into sand:

1. Primary crushing: The first step in the process involves crushing the stone chips using a jaw crusher or a cone crusher. This reduces the size of the stone chips and prepares them for further processing.

2. Secondary crushing: The crushed stone chips are sent to a secondary crusher, such as a cone crusher or a impact crusher, for further reduction in size. This produces a fine aggregate with a particle size distribution suitable for sand production.

3. Screening: The crushed stone from the secondary crusher is passed through a series of screens with different mesh sizes to separate the sand-sized particles from the coarser aggregates. The sand-sized particles are collected as the final product, while the coarser aggregates are sent back for further processing.

4. Washing and drying: The sand-sized particles are typically washed to remove any dust or impurities, and then dried to achieve the desired moisture content for further use.

To realize sand production from ore waste, you can follow a similar process, but with some modifications depending on the characteristics of the ore waste. Here's a general process flow for converting ore waste into sand:

1. Primary crushing: The ore waste is initially crushed using a jaw crusher or a cone crusher to reduce its size and prepare it for further processing.

2. Secondary and tertiary crushing: The crushed ore waste is sent through secondary and tertiary crushers, such as cone crushers or impact crushers, to produce a fine aggregate with a particle size distribution suitable for sand production.

3. Screening: The crushed ore waste is screened using a series of screens with different mesh sizes to separate the sand-sized particles from the coarser aggregates. The sand-sized particles are collected as the final product, while the coarser aggregates are sent back for further processing.

4. Washing and drying: The sand-sized particles are typically washed to remove any dust or impurities, and then dried to achieve the desired moisture content for further use.

It's important to note that the specific equipment and processing steps may vary depending on the characteristics of the stone chips or ore waste, and the desired final product. It's recommended to consult with an experienced engineer or a mineral processing professional to design the most suitable process for your specific application.