mining techniques of basalt

Basalt Mining Techniques and Crushing Solutions

Basalt, a dense volcanic rock, requires specialized mining and crushing techniques due to its high hardness (6-8 Mohs). Modern processing typically involves drilling, blasting, and multi-stage crushing to produce high-quality aggregates for construction.

Typical Basalt Crushing & Sand Making Line

A complete production line includes:
1. Primary Jaw Crusher (PE600×900)
2. Secondary Cone Crusher (HPT300)
3. Tertiary Impact Crusher (VSI1140)
4. Vibrating Screens (3YK2460)
5. Sand Washer (LX915)

Equipment Key Parameters
Jaw Crusher Feed size: ≤500mm, Capacity: 50-180t/h
Cone Crusher Max input: 240mm, Output size: 5-40mm
VSI Crusher Throughput: 120-180t/h, Sand yield: 50%+
Screening Layer: 3, Screening area: 14.4m²

Engineering Case Study

Project: Vietnam Basalt Aggregate Plant
Capacity: 200TPH
Final products:
– 0-5mm manufactured sand (38%)
– 5-10mm aggregate (25%)
– 10-20mm aggregate (22%)
– 20-31.5mm aggregate (15%)

FAQ Section

Q1: What’s the wear life of crusher parts processing basalt?
A1: Jaw plates last ~800 hours, cone mantles ~400 hours with proper manganese steel selection.

Q2: How to reduce needle content in basalt sand?
A2: Use VSI crushers with rock-on-rock crushing mode and add air screening.

Q3: Typical power consumption per ton?
A3: Approximately 15-18kWh/t for complete processing from raw material to final products.

The production line configuration may vary based on specific requirements regarding final product gradation and capacity needs. Proper equipment selection ensures optimal particle shape and production efficiency when processing this challenging material.

Knowledge