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Help CenterRefractory Gold Ore Fine Grinding Ball Mill Solution
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 refractory gold ore fine grinding ball mill solution is specially designed for deep dissociation and efficient pretreatment of complex refractory gold ores, focusing on solving the core industry pain points of fine gold wrapping, symbiosis locking, low monomer liberation rate and poor subsequent beneficiation effect of traditional grinding processes. Refractory gold ore is characterized by ultra-fine gold particle embedding, tight symbiosis with sulfide gangue, complex mineral structure and strong ore resistance. Conventional conventional coarse grinding equipment cannot break locked mineral structures effectively, resulting in a large amount of encapsulated gold failing to contact with leaching agents and flotation reagents, leading to extremely low gold recovery rate and serious resource waste. This solution takes targeted fine grinding and deep refractory gold liberation as the core advantage, specially tailored for fine processing of arsenical gold ore, carbonaceous gold ore, sulfide-locked gold ore and various complex refractory gold minerals. It can be perfectly matched with pre-crushing, closed-circuit classification, pre-oxidation and gold extraction systems, supporting adjustable ultra-fine grinding fineness according to different refractory ore embedding characteristics and mineral hardness. With optimized anti-blocking fine grinding structure, scientific medium grading configuration and precise particle size control technology, it thoroughly dissociates locked ultra-fine gold monomers, breaks refractory mineral symbiotic structures, and provides reliable core equipment solutions for high-efficiency beneficiation and recovery improvement of refractory gold ore projects.
2. Working Principle
The refractory gold ore fine grinding ball mill solution adopts high-precision layered fine grinding and progressive structural dissociation principle, realizing thorough breaking of refractory locked minerals and full liberation of ultra-fine gold particles. Pre-crushed qualified refractory gold ore materials are stably and quantitatively conveyed into the fine grinding cylinder through a constant feeding system. Different from ordinary grinding equipment, this solution adopts customized fine graded grinding media and optimized low-fluctuation rotating speed operation mode, generating uniform and delicate impact, friction and micro-shearing force. It performs progressive fine crushing and peeling on dense refractory symbiotic minerals, effectively breaking tight locking structures between gangue and ultra-fine gold particles to realize full gold monomer dissociation. Cooperating with the supporting high-precision closed-circuit classification system, incompletely dissociated refractory ore particles are automatically returned to the mill for cyclic regrinding, while fully liberated ultra-fine qualified ore slurry is stably discharged for subsequent oxidation, leaching and separation processes. Through accurate linkage adjustment of grinding speed, feeding volume and medium proportion ratio, the system maintains stable ultra-fine grinding fineness, avoids insufficient dissociation caused by under-grinding and reagent consumption waste caused by over-grinding. Finally, uniformly refined and fully dissociated refractory ore materials are output, achieving one-stop fine grinding pretreatment and efficient liberation for complex refractory gold ore beneficiation lines.
3. Core Features
Targeted Fine Grinding for Refractory Gold Liberation: Centrally optimized for complex refractory gold ore processing difficulties, the exclusive fine grinding scheme effectively breaks sulfide wrapping and mineral locking structures that cannot be processed by traditional grinding equipment. It greatly improves the liberation degree of ultra-fine embedded gold, fundamentally solving the low recovery bottleneck of refractory gold ore.
Significantly Improve Refractory Gold Beneficiation Index: The deep fine grinding mode fully exposes locked ultra-fine gold monomers, maximizing the contact area between gold particles and chemical reagents. It effectively improves the efficiency of subsequent leaching and flotation processes, greatly increases the comprehensive recovery rate of refractory gold ore, and enhances the economic value of complex gold mine resources.
Stable Ultra-Fine Particle Size & Avoid Process Fluctuation: Optimized balanced fine grinding and closed-circuit classification structure ensures uniform finished ore particle size and reasonable particle size distribution. It avoids production instability caused by uneven grinding fineness, provides consistent and high-quality raw materials for subsequent beneficiation processes, and stabilizes overall production line indicators.
Intelligent Parameter Matching & Strong Ore Adaptability: Equipped with flexible adjustable operating parameters and medium grading schemes, it adapts to various complex refractory gold ores with different hardness, embedding fineness and mineral components. It supports customized fine grinding standards and realizes low-consumption, high-efficiency and high-precision refractory ore pretreatment.
Wear-Resistant Structure & Low Long-Term Operation Cost: Adopting high-strength wear-resistant lining plates and anti-abrasion fine grinding media, the equipment adapts to long-term high-precision fine grinding working conditions of hard refractory ore. It features low failure rate and stable performance, reduces frequent maintenance and secondary reprocessing costs, and comprehensively improves the long-term operational benefits of refractory gold processing projects.
Technical Specifications
| 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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