Copper Ore Crushing Equipment and Copper Ore Processing Process
Copper ore crushing equipment for a porphyry or skarn deposit is a PE jaw crusher, a PEX fine jaw crusher and a 20 mm vibrating screen that closes the crushing circuit. A wet ball mill and a spiral classifier then grind to -200 mesh (≤0.074 mm) before flotation.
A 200 TPD copper ore processing line on the same flowsheet recovers ≥92% of copper from sulphide ore and yields concentrate grading 18%-28% Cu at ≤12% moisture.
What equipment is used in copper ore crushing and processing?
A copper ore crushing and processing plant has four stages: crushing, grinding, flotation and dewatering. The 200 TPD line uses 13 equipment positions.
| Parameter | Value | Remarks |
|---|---|---|
| Daily Processing Capacity | 200 TPD | Based on run-of-mine (ROM) ore; 24h grinding + 10h crushing |
| Ore Type | Porphyry / Skarn Copper Ore | Typical of Sonora / Zacatecas mining areas, Mexico |
| ROM Grade | 0.4% – 2.0% Cu | Associated Au / Ag / Mo |
| Feed Particle Size | ≤210 mm | Feed for primary jaw crusher |
| Grinding Fineness | -200 mesh (≤0.074 mm) | Spiral classifier overflow |
| Flotation Circuit | 1 Roughing, 2 Scavenging, 2 Cleaning | Middlings returned in closed circuit |
| Flotation Recovery Rate | ≥92% (Sulfide ore) / ≥85% (Oxide ore) | Dependent on reagent regime optimization |
| Concentrate Grade | 18% – 28% Cu | Meets international copper concentrate delivery standards |
| Concentrate Moisture Content | ≤12% | After disc vacuum filtration |
| Process Water Recovery Rate | ≥85% | Closed-loop circulation of thickener overflow and filtrate |
| Total Installed Power | ~350 kW | Includes all main and auxiliary equipment |
| Footprint | ~1,200 m² | Excluding ROM stockpile and tailings storage facility |
Table 1 lists the Mexico 200 TPD line's equipment; the source Core Features column is omitted.
Crushing: three-stage closed-circuit crushing to 20 mm
primary crushing - jaw crusher
Secondary Crushing Equipment – Multi-cylinder Hydraulic Cone Crusher
Three-stage closed-circuit crushing suits high-hardness copper ore because the stage completes crushing and partial dissociation before the mill.
A vibrating feeder charges copper ore lumps into a copper ore jaw crusher for coarse crushing; the screened product goes to a single-cylinder hydraulic cone crusher and a multi-cylinder hydraulic cone crusher for medium and fine crushing.
The 200 TPD line runs a two-crusher variant: feed ≤210 mm, coarse output 30-60 mm, fine jaw output ≤20 mm, 20 mm screen mesh, oversize returned in closed circuit. The section works a 10-hour day at 16-20 t/h.
Grinding: two-stage one-closed grinding to -200 mesh
Grinding liberates copper minerals from gangue, and the copper flotation circuit needs a feed of -200 mesh, i.e. ≤0.074 mm.
The 0-12 mm crushed ore is fed to a wet ball mill and classified by a spiral classifier in closed circuit: overflow at -200 mesh flows to the agitation tank, coarse underflow returns to the mill. The section runs 24 hours a day at 8-9 t/h.
Flotation and dewatering: recovering ≥92% of copper
Flotation and dewatering
Flotation separates copper sulphide minerals such as chalcopyrite and bornite from gangue, in a circuit of one roughing, two scavenging and two cleaning stages with middlings returned to the rougher.
SF-series flotation cells span 0.37 m³ to 4 m³ cell volume, from model SF0.37 to SF4; collectors, frothers and modifiers are dosed from the reagent tank.
Cleaner froth goes to a centre-drive thickener and a disc vacuum filter, giving filter cake at ≤12% moisture and a copper concentrate grade of 18%-28% Cu. Process water recovery is ≥85%, and tailings water meets Mexico's SEMARNAT NOM-001-SEMARNAT standard.
What are the technical specifications of a 200 TPD copper ore processing line?
The reference copper beneficiation plant treats 200 TPD of run-of-mine ore on a 24-hour grinding and 10-hour crushing schedule, drawing about 350 kW across 1,200 m².
| Parameter | Value | Remarks |
|---|---|---|
| Daily Processing Capacity | 200 TPD | Based on run-of-mine (ROM) ore; 24h grinding + 10h crushing |
| Ore Type | Porphyry / Skarn Copper Ore | Typical of Sonora / Zacatecas mining areas, Mexico |
| ROM Grade | 0.4% – 2.0% Cu | Associated Au / Ag / Mo |
| Feed Particle Size | ≤210 mm | Feed for primary jaw crusher |
| Grinding Fineness | -200 mesh (≤0.074 mm) | Spiral classifier overflow |
| Flotation Circuit | 1 Roughing, 2 Scavenging, 2 Cleaning | Middlings returned in closed circuit |
| Flotation Recovery Rate | ≥92% (Sulfide ore) / ≥85% (Oxide ore) | Dependent on reagent regime optimization |
| Concentrate Grade | 18% – 28% Cu | Meets international copper concentrate delivery standards |
| Concentrate Moisture Content | ≤12% | After disc vacuum filtration |
| Process Water Recovery Rate | ≥85% | Closed-loop circulation of thickener overflow and filtrate |
| Total Installed Power | ~350 kW | Includes all main and auxiliary equipment |
| Footprint | ~1,200 m² | Excluding ROM stockpile and tailings storage facility |
Copper ore processing FAQ
1. What is the estimated total investment for a 200 TPD copper beneficiation line?
The complete equipment set for crushing, ball milling, flotation and dewatering has an FOB price range of approximately $450,000 - $680,000; an EPC package with installation, commissioning and training ranges from $750,000 to $1,200,000.
2. How long is the timeline from contract signing to the start of production?
Beneficiation testing and process design take 4-6 weeks, manufacturing 8-12 weeks, sea freight 4-6 weeks, installation and commissioning 6-8 weeks, and trial production with training 2-4 weeks, about 4-6 months in total.
3. Can Baichy provide local after-sales technical support?
Yes. Baichy has agency channels in Mexico City, sends Chinese engineers to site for 2-4 weeks, supplies operation and maintenance manuals and spare-parts lists in Spanish, and restocks wear parts by DHL/FedEx within 7-10 days.
4. What are the water consumption and environmental standards for a 200 TPD copper ore processing line?
Fresh water make-up is approximately 30-50 m³/day, mainly covering concentrate filter cake moisture and evaporation losses, and the process water recovery rate is ≥85%. Thickener overflow and filtrate are recycled in a closed loop.
Baichy Heavy Industry
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