Does sandstone meet construction sand standards? What crushing and sand-making equipment is best?

Sandstone is a sedimentary rock primarily composed of quartz and feldspar. It serves as an excellent raw material for manufactured sand due to its strength and particle shape. Additionally, its resistance to weathering outdoors, non-solubility in water, moisture resistance, and sound absorption properties make it a superior building and decorative material. Sandstone processed into manufactured sand retains the advantages of natural sand while incorporating artificial sand technology. The finished product features sharp, angular grains, offering enhanced safety, crack resistance, compression resistance, and corrosion resistance when used in construction or bridge building. Common sand and gravel crushers include jaw crushers, impact crushers, cone crushers, and mobile crushers. Each type is suited for specific materials, delivers varying crushing results, and carries different pricing. To process sandstone into construction aggregates, it must undergo crushing, sand-making, and screening production processes. A complete crushing production line requires rational equipment configuration to achieve low investment and high efficiency. Based on sandstone characteristics, the following equipment is prepared for processing sandstone into construction aggregates:

1. Primary Crushing: Jaw Crusher

Sandstone feedstock is typically large and requires primary crushing. The jaw crusher is essential for this stage, featuring a large feed opening (up to 1360mm), powerful crushing force suitable for various hard materials, and an adjustable discharge size range of 40-300mm to meet user requirements.

2. Secondary Crushing: Cone Crusher or Impact Crusher

When sandstone material is processed to below 450mm, either a cone crusher or impact crusher can be directly employed:

Cone crushers feature large feed openings and utilize a layer compression crushing mechanism, producing uniform particle sizes. Hydraulic cylinders automatically adjust discharge particle size, and they incorporate overload protection devices. Technologically advanced, they have extended wear part replacement cycles and low long-term maintenance costs.

Impact crushers feature large feed openings and fine discharge sizes, producing cubical-shaped products with superior particle shape compared to cone crushers. However, they experience faster wear part replacement and higher maintenance costs when processing excessively hard materials. Both secondary crushing equipment types have distinct advantages and disadvantages.

3. Fine Crushing and Sand Making: Impact Sand Maker

To achieve high-value sandstone products, sand making is essential. The impact sand maker is a specialized sand production equipment. It employs dual crushing mechanisms—“stone-on-stone” and “stone-on-iron”—delivering high output, excellent particle shape, uniformity, and rational gradation. It meets national sand and gravel usage standards.

4. Sand Washer

Sand washers significantly enhance market value by cleaning sandstone to maximize its utility. Bucket-wheel sand washers feature high cleaning efficiency and eco-friendly operation. Separate motor and water wheel designs minimize water corrosion, enable water recycling, and reduce sand loss.

5. Auxiliary Equipment: Vibrating Feeders, Vibrating Screens, Conveyor Belts

Vibrating feeders, vibrating screens, and conveyor belts are selected or customized based on site-specific requirements. Sealed designs can be adopted to reduce dust and noise, ensuring environmental friendliness.

OCP Heavy Industry is a brand with over 40 years of experience in the crushing and sand-making industry. With robust capabilities and extensive expertise in R&D, production, and manufacturing of crushing equipment, our equipment quality is widely recognized within the industry. Click the online consultation button on the right to get a quote!