Concrete-use sand making equipment is essential for producing high-quality artificial sand (manufactured sand or M-sand) as a substitute for natural sand in construction. Here are the key types of equipment and considerations:
1. Types of Sand Making Equipment
# (1) Vertical Shaft Impact Crusher (VSI Crusher)
– Principle: Uses high-speed rotor and anvils to crush rocks into cubical sand particles.
– Advantages:
– Produces well-graded, angular sand ideal for concrete.
– Low fines generation (adjustable gradation).
– Energy-efficient compared to other crushers.
– Applications: Best for hard rocks (granite, basalt).
# (2) High-Efficiency Fine Crusher
– Suitable for softer materials (limestone, dolomite).
– Produces uniform particle size with lower energy consumption.
# (3) Hammer Crusher
– Cost-effective but generates more flaky particles (less ideal for high-strength concrete).
# (4) Roll Crusher
– Used for secondary crushing to refine sand gradation.
2. Auxiliary Equipment
– Vibrating Feeder: Ensures steady material supply.
– Jaw/Cone Crusher: Primary crushing before sand making.
– Sand Washer: Removes excess dust and impurities (important for concrete quality).
– Vibrating Screen: Classifies sand into different sizes (0-5mm for concrete).
3. Key Considerations for Concrete Sand Production
– Particle Shape: Cubical grains enhance workability and strength.
– Gradation: Must meet ASTM C33 or local standards (e.g., 0–5mm wit
15% fines).
– Moisture Control: Wet processing reduces dust but requires drying for ready-mix concrete.
4. Popular Manufacturers
– Metso, Sandvik, Terex (High-end VSI crushers)
– Liming Heavy Industry, SBM (Cost-effective solutions)
5. Environmental & Cost Factors
– Dust control systems (bag filters, water spray).
– Energy consumption vs. output optimization.
Would you like recommendations based on your specific material type or production capacity?
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