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Help CenterCopper Concentrate Regrind Ball Mill for Cleaner Flotation
Product Spotlights
2.Low maintenance cost
3.Low over-grinding rate
4.Full line intelligent monitoring
5.High material utilization
6.Customized grinding fineness
7.Industrial large-scale production support
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1. Product Description
This professional copper concentrate regrind ball mill is a targeted fine grinding equipment specially optimized for deep dissociation and cleaner flotation upgrading of primary copper roughing concentrate, focusing on solving interlocked symbiotic minerals, insufficient monomer dissociation and impurity entrainment that restrict clean flotation index in traditional copper concentrate processing. Primary copper concentrate obtained from rough flotation still contains a large number of symbiotic gangue, residual sulfide impurities and locked fine copper particles. Conventional one-stage grinding and rough separation cannot fully dissociate composite intergrowth minerals, resulting in low copper concentrate purity, high impurity content and poor flotation cleaning effect. This regrind ball mill takes deep ultra-fine regrinding, thorough impurity dissociation and cleaner flotation feed optimization as the core advantages, specially applied for secondary fine grinding and deep purification pretreatment of copper roughing concentrate and middling ore. It can be perfectly matched with front-end rough flotation systems and downstream cleaning flotation, concentration and dewatering processes. Supporting adjustable ultra-fine regrinding fineness according to concentrate embedding characteristics and impurity symbiosis degree, the equipment adopts exclusive fine grinding medium grading and precise parameter configuration. It thoroughly strips locked copper monomers and dissociates symbiotic impurity minerals, eliminates flotation impurity entrainment defects caused by incomplete dissociation, stabilizes high-purity qualified flotation feed, and provides reliable deep-processing equipment guarantee for high-grade copper concentrate upgrading and cleaner flotation production.
2. Working Principle
The copper concentrate regrind ball mill for cleaner flotation adopts low-intensity ultra-fine regrinding and progressive impurity dissociation principle, realizing precise secondary refining and high-purity mineral separation for copper concentrate cleaning pretreatment. Primary rough copper concentrate materials are stably and quantitatively delivered into the fine regrinding cylinder through a stable uniform feeding system. Different from conventional primary coarse grinding equipment, this regrind mill adopts scientifically graded micro-fine grinding media and optimized low-fluctuation operating mode, generating uniform micro-impact, friction and exfoliation force. It performs targeted ultra-fine refining on rough concentrate particles, thoroughly dissociating tightly symbiotic gangue impurities and locked copper minerals without producing excessive harmful fine mud. This deep dissociation effect fully separates effective copper monomers from impurity minerals, creating pure particle conditions for subsequent selective cleaner flotation. Cooperating with the supporting high-precision closed-circuit classification system, incompletely dissociated coarse concentrate particles are automatically returned to the regrinding chamber for cyclic secondary grinding, while fully purified and uniformly refined qualified concentrate slurry is stably discharged for cleaner flotation procedures. Through accurate linkage adjustment of feeding volume, grinding speed and medium proportion ratio, the equipment maintains stable ultra-fine regrinding fineness and consistent slurry quality. Finally, high-purity, low-impurity and fully dissociated copper concentrate feed is continuously output, achieving one-stop deep regrinding pretreatment and cleaner flotation optimization for industrial copper beneficiation lines.
3. Core Features
Targeted Concentrate Regrinding & Deep Dissociation: Centrally optimized for copper concentrate cleaning and upgrading scenarios, the equipment adopts exclusive ultra-fine regrinding parameter scheme. It effectively breaks residual intergrowth structures in rough concentrate, solves the incomplete dissociation defect of primary grinding, and fully releases locked copper monomers for high-purity flotation separation.
Optimized Cleaner Flotation Effect & Higher Concentrate Grade: The precise secondary regrinding mode thoroughly separates copper minerals from gangue and impurity sulfides. It significantly reduces impurity entrainment in flotation process, improves the selectivity of cleaner flotation, effectively upgrades final copper concentrate grade, and maximizes economic value of copper mineral resources.
Controlled Ultra-Fine Fineness & Stable Flotation Environment: The optimized low-damage fine grinding structure strictly controls finished particle size distribution and avoids excessive fine mud generation. It eliminates flotation foam instability and mineral loss caused by over-grinding, maintains stable and efficient cleaner flotation working conditions, and ensures consistent beneficiation indicators.
Strong Process Adaptability & Flexible Fine-Tuning: Equipped with flexible adjustable operating parameters and medium grading schemes, the mill adapts to different copper concentrate grades, impurity types and symbiosis complexity. It supports customized regrinding fineness to match various cleaner flotation process requirements, realizing high-precision concentrate purification pretreatment.
Stable Operation & Low Comprehensive Processing Cost: Adopting high-quality wear-resistant lining and fine-tuned anti-abrasion grinding media, the equipment features long-term stable regrinding performance and low failure rate. It reduces repeated processing workload and flotation reagent waste caused by unqualified concentrate feed, comprehensively lowers the operation cost of copper cleaning processes, and improves long-term project profitability.
nical specification
| Model | Cylinder RPM (r/min) | Ball Load (t) | Feeding Size (mm) | Discharging Size (mm) | Capacity (t/h) | Motor Model | Power (kW) | Weight (t) |
| MQG600*1800 | 45.5 | 0.5 | ≤ 10 | 0.074-0.5 | 0.2-0.5 | Y160M-6 | 7.5 | 2.5 |
| MQG900*1800 | 38 | 1.8 | ≤ 20 | 0.074-0.6 | 0.8-2 | Y180L-6 | 15 | 5.8 |
| MQG900*3000 | 37.4 | 2.7 | ≤ 20 | 0.074-0.3 | 0.8-3 | Y200L2-6 | 22 | 7.5 |
| MQG1200*2400 | 32 | 4.8 | ≤ 25 | 0.074-0.6 | 1.5-4 | Y225M-6 | 30 | 9.8 |
| MQG1200*4500 | 30 | 5.2 | ≤ 25 | 0.074-0.6 | 1.5-6 | Y280S-6 | 45 | 13.2 |
| MQG1300*4000 | 36 | 5.8 | ≤ 25 | 0.074-0.6 | 2-6 | Y280S-8 | 45 | 14.8 |
| MQG1500*3500 | 28.8 | 8.3 | ≤ 25 | 0.074-0.6 | 3-6 | YR280M-8 | 90 | 17.6 |
| MQG1500*4500 | 28.8 | 10 | ≤ 25 | 0.074-0.4 | 4-8 | JR125-8 | 95 | 22.3 |
| MQG1500*5700 | 28.8 | 12 | ≤ 25 | 0.074-0.4 | 5-10 | JR126-8 | 110 | 26.7 |
| MQG1500*6400 | 28.8 | 13 | ≤ 25 | 0.074-0.4 | 8-12 | JR127-8 | 130 | 29.2 |
| MQG1830*3600 | 24.5 | 12 | ≤ 25 | 0.074-0.4 | 5-10 | JR127-8 | 130 | 31.4 |
| MQG1830*5400 | 24.5 | 15 | ≤ 25 | 0.074-0.4 | 5-20 | JR137-8 | 210 | 33.6 |
| MQG1830*6400 | 24.5 | 19 | ≤ 25 | 0.074-0.4 | 6-25 | JR137-8 | 210 | 36.5 |
| MQG1830*7000 | 24.5 | 20 | ≤ 25 | 0.074-0.4 | 8-30 | JR138-8 | 245 | 39.6 |
| MQG2100*3600 | 24.1 | 21 | ≤ 25 | 0.074-0.6 | 8-20 | YR355L1-8 | 210 | 43.2 |
| MQG2100*4500 | 24.57 | 26 | ≤ 25 | 0.074-0.6 | 8-35 | JR138-8 | 280 | 53.6 |
| MQG2200*3600 | 21.8 | 22 | ≤ 25 | 0.074-0.6 | 9-25 | JR138-8 | 245 | 47.8 |
| MQG2200*4500 | 21.4 | 27 | ≤ 25 | 0.074-0.6 | 10-30 | JR138-8 | 280 | 54.7 |
| MQG2200*7500 | 21.8 | 35 | ≤ 25 | 0.074-0.6 | 10-40 | JR158-8 | 380 | 68.4 |
| MQG2200*9000 | 21.4 | 36 | ≤ 25 | 0.074-0.6 | 10-45 | JR1510-8 | 475 | 76.5 |
| MQG2400*3600 | 21.26 | 26 | ≤ 25 | 0.074-0.6 | 10-40 | JR138-8 | 280 | 63.8 |
| MQG2400*7000 | 21.8 | 36 | ≤ 25 | 0.074-0.6 | 10-45 | JR1510-8 | 475 | 82.4 |
| MQG2400*8000 | 21.8 | 42 | ≤ 25 | 0.074-0.6 | 13-50 | JR630-8 | 560 | 85.7 |
| MQG2400*10000 | 21 | 65 | ≤ 25 | 0.074-0.6 | 15-60 | YR560-8 | 710 | 88.6 |
| MQG2600*8000 | 19.6 | 52 | ≤ 25 | 0.074-0.6 | 16-70 | JR1512-8 | 630 | 97.8 |
| MQG2700*3600 | 21.4 | 39 | ≤ 25 | 0.074-0.4 | 13-75 | JR158-8 | 380 | 86.8 |
| MQG2700*4500 | 21.4 | 43 | ≤ 25 | 0.074-0.4 | 13-90 | JR1510-8 | 475 | 91.8 |
| MQG3000*5400 | 19 | 58 | ≤ 25 | 0.074-0.6 | - | TDMK-30 | 630 | 119.7 |
| MQG3000*9000 | 18.3 | 78 | ≤ 25 | 0.074-0.4 | 20-90 | YR1000-8/1180 | 1000 | 152.4 |
| MQG3000*11000 | 18 | 100 | ≤ 25 | 0.074-0.6 | 30-90 | YR6306-8 | 1120 | 166.7 |
| MQG3200*3600 | 18.6 | 56.5 | ≤ 25 | 0.074-0.6 | 20-80 | YR6302-8 | 630 | 127.4 |
| MQG3200*4500 | 18.6 | 65 | ≤ 25 | 0.074-0.6 | 20-90 | YR6302-8 | 800 | 138.6 |
| MQG3200*5400 | 18 | 72 | ≤ 25 | 0.074-0.6 | 30-100 | YR1000-8 | 1000 | 146.7 |
| MQG3200*9000 | 18 | 85 | ≤ 25 | 0.074-0.6 | 30-100 | YR6302-8 | 1250 | 168.6 |
| MQG3600*4500 | 18 | 86 | ≤ 25 | 0.074-0.6 | 30-100 | YR6302-8 | 1250 | 158.7 |
| MQG3600*6000 | 18 | 117 | ≤ 25 | 0.074-0.6 | 45-180 | - | 14000 | 195.6 |
| MQG4000*6000 | 16.9 | 145 | ≤ 25 | 0.074-0.6 | 60-230 | - | 1800 | 221.7 |
| MQG4500*6000 | 15.6 | 180 | ≤ 25 | 0.074-0.6 | 80-300 | - | 2300 | 269.6 |
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