Three Major Pain Points in Basalt Sand Making That Traditional Equipment Cannot Solve
Basalt is premium aggregate widely applied in expressways, high-speed railways, airports and water conservancy projects. It features Mohs hardness of 6–7, high silicon content and strong abrasiveness, making it much harder to process than ordinary stone materials.
Many aggregate plants adopt hammer crushers or impact crushers for basalt processing, which bring obvious drawbacks during long-term operation. High-speed impact wears hammers and liners rapidly, requiring frequent shutdowns for part replacement and restricting continuous production. The finished aggregates contain abundant flaky particles with unqualified crushing value, failing to meet the standard of high-grade infrastructure aggregates. Uncontrollable crushing force leads to severe over-grinding, low raw material utilization and high overall processing costs.
Limited by site space and investment, medium and small production lines cannot deploy multi-stage cone fine crushing, so they urgently need dedicated fine crushing and sand making equipment with good wear resistance and easy maintenance.
Huashengming Hydraulic Double Roll Crusher Customized for Hard Basalt Materials
Targeting basalt’s high hardness, strong abrasiveness and strict requirements on particle shape, Huashengming upgraded the hydraulic double roll crusher. It adopts low-speed laminated extrusion crushing without high-speed impact loss, perfectly matching the secondary fine crushing and sand making procedures of various basalt production lines.
basalt sand making crusher
Centrifugal Cast Roll Skins with Greatly Improved Wear Resistance
The core wear-resistant roll skins are integrally formed via centrifugal casting technology, made of high chromium manganese alloy with overlay hardfacing treatment. They feature dense and uniform internal structure and stable thickness of wear-resistant layers.
Material friction loss on the roll surface is minor during extrusion crushing. Compared with conventionally cast roll skins, its service life is significantly extended. Frequent shutdowns for part replacement are avoided, greatly cutting long-term costs on spare parts and manual maintenance for basalt processing.
Laminated Crushing Produces High Content of Cubic Aggregates
Two rollers rotate toward each other at a constant speed. Basalt cracks naturally along its internal texture, producing mostly regular cubic aggregates. The proportion of flaky particles is far lower than that of impact crushing equipment. Both crushing value and particle gradation pass inspection standards for road aggregates. The 0–5mm manufactured sand has uniform particle size, requiring no extra shaping and can be directly supplied to asphalt mixing plants and commercial concrete plants.
Automatic Hydraulic Roll Gap Adjustment for Multi-Specification Aggregates
The whole machine is equipped with an automatic hydraulic adjustment mechanism. The roll gap can be adjusted with one click to flexibly produce fine crushed stone, gravel and finished manufactured sand. No main machine replacement is needed on one production line to fulfill orders of various stone specifications, simplifying the overall crushing process.
Hydraulic Retreating Buffer Device to Protect Core Components
Basalt raw ore often mixes with iron blocks and ultra-hard large stones, which may jam ordinary crushers and damage transmission parts. This machine is fitted with an automatic hydraulic retreat system. When uncrushable hard foreign objects enter the crushing chamber, the movable roller retreats automatically to discharge materials and resets quickly after foreign objects are removed. It effectively protects core components including roller bodies and reducers, reduces equipment failure rates and supports stable round-the-clock continuous operation.
Anti-Sticking Scraper Structure Handles Dry and Wet Raw Materials
Basalt raw ore from mining areas usually carries surface mud and a small amount of moisture, which easily blocks the screens of impact crushers. The roll surface of this crusher is optimized with anti-sticking design and built-in scrapers. Slightly muddy and damp basalt can be fed smoothly without material adhesion on roller surfaces, stable output particle size and less manual cleaning work.
Production Site of Basalt Sand Making Crusher
Matching Schemes for Various Basalt Production Lines
- Small simple aggregate line: Jaw primary crusher + hydraulic double roll crusher. Two-stage process completes basalt sand making with small floor area and low upfront investment.
- Medium standard aggregate line: Jaw primary crusher + cone secondary crusher + hydraulic double roll fine crusher for sand making. It reduces the load of subsequent grinding equipment and realizes the process of more crushing and less grinding.
- Weathered loose basalt: Toothed double roll crusher for direct fine crushing, balancing processing efficiency and wear resistance.
Summary
The biggest difficulty in basalt processing lies in balancing serious wear of hard rock and high-quality aggregate output. Equipped with centrifugal cast wear-resistant roll skins, laminated extrusion crushing technology and hydraulic safety protection design, Huashengming hydraulic double roll crusher addresses industry problems of traditional equipment such as rapid wear, poor particle shape and severe over-grinding. It fits basalt aggregate processing for all kinds of infrastructure projects and serves as a cost-effective fine crushing and sand making device for medium and small aggregate plants.
+86-13838144666
+86-13838144666
