CS Cone Crusher
Basalt secondary and tertiary crushing equipment is a cone crusher for the middle stage and a VSI crusher for shaping, because basalt compressive strength of 150-300 MPa and Mohs 6-7 hardness wears impact rotors out. Baichy publishes 45-600 t/h for the CS cone series, 90-1200 t/h for the HP series and 60-600 t/h for the VSI series in these two stages.
Which Crushers Fit the Secondary and Tertiary Stages of Basalt Crushing?
Compression crushing is the correct principle here: a basalt cone crusher reduces the rock in the secondary stage and a VSI crusher shapes it in the tertiary stage. Impact crushers belong on limestone, not on dense basalt above 200 MPa.
Secondary Stage: CS Symons Cone Crusher, 45-600 t/h
The CS Symons cone crusher is a compression crusher on a fixed main shaft and eccentric sleeve drive, published by Baichy for secondary and fine crushing of basalt, granite and iron ore. The CS160 coarse cavity takes a 205 mm maximum feed size and a 19-50 mm discharge setting, producing 172-349 t/h from a 132 kW motor.
Secondary or Tertiary Stage: HP Multi-Cylinder Hydraulic Cone Crusher, 90-1200 t/h
The HP multi-cylinder hydraulic cone crusher sets its discharge opening with 4 to 8 hydraulic cylinders and releases tramp iron without a shutdown. Inter-particle (lamination) crushing cuts energy consumption by 15-20% and holds needle-and-flake content below 10% across six classes from HP100 to the HP800 at 1200 t/h and 630 kW.
Hydraulic Cone Crusher
Tertiary Shaping Stage: VSI Crusher, 60-600 t/h
Tertiary crushing of basalt is the VSI shaping stage. The VSI-9526 produces 300-360 t/h in cascade and center feeding mode, or 150-190 t/h with center feeding only, from 264-320 kW dual motors, on hard material below 40 mm.
VSI Sand Making Machine
Where Impact Crushers Do Not Belong
Baichy's published guidance is that dense basalt above 200 MPa belongs on a cone crusher, because forcing an impact crusher onto that feed turns the operator into a supplier of wear parts. The CI series stays on medium-hard rock, at 110-260 t/h on CI1110.
Basalt Secondary and Tertiary Cone Crusher Comparison Table
Basalt crushing capacity rows below are reproduced from Baichy's Symons cone crusher page and multi-cylinder hydraulic cone crusher page.
Symons Cone Crusher (CS Series)
| Model | Cavity Type | Crushing Cone Diameter (mm) | Discharge Opening Range (mm) | Max Feed Size (mm) | Capacity (t/h) | Motor (kW) |
|---|---|---|---|---|---|---|
| CS110 | Coarse | 1200 (4') | 15–50 | 180 | 110–250 | 110 |
| CS160 | Coarse | 1295 (4 1/4') | 19–50 | 205 | 172–349 | 132 |
| CS160 | Fine | 1295 (4 1/4') | 13–31 | 115 | 109–181 | 132 |
| CS220 | Coarse | 1400 (4 1/2') | 30–60 | 235 | 210–530 | 220 |
| CS250 | Coarse | 1650 (5 1/2') | 30–60 | 228 | 299–635 | 250 |
| CS315 | Coarse | 2135 (7') | 31–64 | 314 | 1125–1814 | 400 |
Multi-cylinder Hydraulic Cone Crusher (HP Series)
| Model | Cavity Type | Feed Opening Size (mm) | Max Feeding Size (mm) | Min Discharge Opening (mm) | Capacity (t/h) | Power (kW) |
|---|---|---|---|---|---|---|
| HP300 | Extra Coarse - EC | 234 | 190 | 25 | 220–445 | 220 |
| HP400 | Coarse - C | 251 | 200 | 25 | 285–560 | 315 |
| HP800 | Extra Coarse - EC | 350 | 280 | 38 | 570–1200 | 630 |
Output varies with material, feed size and crusher settings.
What Does a 200-300 t/h Basalt Line Look Like?
Baichy's published layout for a 200-300 t/h granite or basalt line runs three crushing stages plus closed-circuit screening.
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Total installed power is about 640 kW, the closed-circuit return belt is B800-1200 mm, and the finished fractions are 0-5 / 5-15 / 15-31.5 mm.
How Do You Size Basalt Secondary and Tertiary Crushers?
Sizing starts from three numbers: maximum feed size, target capacity and product size. Baichy's published selection rule is a reduction ratio of at least 4:1 per stage, calculated as feed size pided by CSS.
The CS160 coarse cavity takes 205 mm and the CS160 fine cavity takes 115 mm, so the cavity follows the feed rather than the capacity target. YK circular vibrating screens then classify crushed basalt into 0-5 / 5-15 / 15-31.5 mm fractions and return oversize to the crusher; holding that recirculating load at 15-25% sets plant throughput and cost per ton.
Baichy's VSI specification sheet lists a 380 V / 50 Hz power source, and VSI-9526 dual motors draw 264-320 kW. Verify transformer capacity and voltage stability before ordering the tertiary motor.
FAQ: Basalt Secondary and Tertiary Crushing
1. What crusher is used for secondary crushing of basalt?
A cone crusher is used for secondary crushing of basalt, and Baichy specifies both the CS Symons cone crusher and the HP multi-cylinder hydraulic cone crusher for that duty. A CS160 coarse cavity produces 172-349 t/h at a 19-50 mm discharge setting from a 132 kW motor.
2. Can an impact crusher crush basalt?
Only partly. Baichy's published guidance is that dense basalt above 200 MPa belongs on a cone crusher, because forcing an impact crusher onto that feed turns the operator into a supplier of wear parts. The CI series is published for secondary or tertiary duty up to 200-450 t/h on CI1316, on medium-hard rock.
3. What is the tertiary stage in a basalt crushing plant?
The tertiary stage is VSI shaping. A VSI-9526 produces 300-360 t/h in cascade and center feeding mode on hard material below 40 mm, and stone-on-stone rotor operation holds flakiness below 10%.
4. How many tonnes per hour does an HP800 cone crusher produce?
The HP800 is published at 570-1200 t/h with a 350 mm feed opening, a 280 mm maximum feeding size and 630 kW. Baichy's guidance for hard rock is to apply a conversion factor of 0.7-0.85 to published capacity.
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