Living near a limestone quarry presents unique opportunities for setting up an efficient crushing and sand-making production line. Limestone, with its moderate hardness (Mohs 3–4) and low silica content, is ideal for producing high-quality aggregates and manufactured sand. Below, we break down the core equipment and processes tailored for limestone processing.
1. Primary Jaw Crusher
– Model: JC120
– Feed Size: ≤650mm
– Capacity: 100–300 TPH
– Power: 90–160 kW
*Function:* Coarse crushing to reduce large blocks to ≤200mm.
2. Secondary Cone Crusher
– Model: HPC200
– Max Feed: 240mm
– Output: 25–60mm (adjustable)
– Power: 220 kW
*Function:* Medium/fine crushing for uniform particle size.
3. Tertiary Impact Crusher (Sand Maker)
– Model: VSI-1140
– Feed Size: ≤50mm
– Sand Yield: 60–140 TPH (0–5mm)
– Power: 250 kW
*Function:* Shaping and sand production with high cubicity.
4. Vibrating Screen
– Model: 3YK2460
– Layers: 3
– Screening Efficiency: ≥90%
Raw limestone → Jaw crusher (coarse crush) → Cone crusher (secondary crush) → VSI crusher (sand making) → Screening → Finished products (0–5mm, 5–10mm, 10–20mm).
Q1: What’s the lifespan of wear parts in limestone crushing?
A: Jaw plates last ~6 months; cone mantles ~4 months; VSI rotor tips ~300 hours (varies with abrasiveness).
Q2: How to control dust in limestone processing?
A: Use water spray systems at transfer points + bag filters for dry processing.
