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Help CenterPhosphate Rock Grinding Ball Mill for Beneficiation Line
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 phosphate rock grinding ball mill is a specialized closed-circuit grinding equipment optimized for industrial phosphate beneficiation line pretreatment, focusing on solving incomplete phosphate monomer dissociation, uneven grinding fineness and excessive fine mud generation that restrict flotation separation efficiency and phosphate concentrate grade in traditional phosphorus processing systems. Phosphate rock features complex symbiotic structure, low hardness, brittle texture and massive associated gangue minerals such as quartz, calcite and dolomite. It has strict grinding precision requirements for impurity removal and phosphorus enrichment; coarse grinding leads to undissociated phosphate intergrowths unable to separate gangue impurities, while over-grinding produces a large amount of harmful fine slime, causing flotation reagent consumption surge, poor separation selectivity and serious phosphorus resource loss. This phosphate rock grinding ball mill takes beneficiation-dedicated precise grinding, balanced particle size control and full phosphate mineral liberation as core advantages, specially applied for continuous circulating grinding pretreatment of sedimentary phosphate rock, igneous phosphate ore and low-grade weathered phosphate raw ore in professional beneficiation lines. It can be perfectly matched with upstream crushing and screening systems and downstream phosphate flotation, desliming, concentration and tailings disposal processes. Supporting adjustable grinding fineness and operational parameters according to phosphate rock brittleness, mineral embedding characteristics and plant processing scale, the equipment adopts exclusive brittle mineral adaptive low-damage grinding configuration. It thoroughly dissociates phosphate minerals from gangue impurities while effectively controlling ultra-fine mud content, eliminates beneficiation index fluctuation caused by unqualified grinding feed, and provides reliable high-stability grinding pretreatment guarantee for high-efficiency phosphorus enrichment and stable operation of phosphate beneficiation lines.
2. Working Principle
The phosphate rock grinding ball mill for beneficiation line adopts low-damage circulating closed-circuit grinding and progressive mineral dissociation principle, realizing standardized particle size homogenization and full phosphate monomer liberation for professional phosphorus beneficiation processing. Pre-crushed qualified phosphate rock materials are stably and quantitatively delivered into the grinding cylinder through a uniform anti-blocking feeding system adapted to brittle phosphate minerals. Driven by the low-fluctuation stable transmission system, the cylinder operates continuously at calibrated speed and drives scientifically graded balanced grinding media to generate moderate impact, extrusion and layered shearing force. Different from high-intensity grinding for hard ore, this equipment adopts phosphate rock targeted low-damage grinding mode, which preferentially strips and dissociates phosphate minerals from gangue without causing brittle pulverization and slime proliferation of effective phosphorus particles. The preliminarily ground mixed ore slurry is pumped into the matched high-precision closed-circuit classification unit. Unqualified coarse particles with undissociated phosphate-gangue intergrowths are automatically returned to the grinding chamber for cyclic regrinding, while qualified fine slurry with uniform particle size and balanced mud content is stably and continuously discharged for subsequent flotation beneficiation procedures. Through accurate linkage adjustment of feeding volume, grinding speed and medium proportion ratio, the whole grinding system maintains stable circulating load and consistent feed indicators. Finally, beneficiation-friendly high-quality phosphate rock slurry with full mineral liberation and reasonable particle gradation is continuously output, achieving one-stop precise grinding pretreatment for industrial phosphate beneficiation production lines.
3. Core Features
Phosphate Rock Adaptive Low-Damage Grinding: Centrally optimized for brittle and fragile phosphate rock characteristics, the exclusive grinding parameter scheme solves the industry pain points of severe over-grinding slime loss and incomplete dissociation caused by conventional universal grinding. It realizes balanced refining of phosphate ore and creates optimal preconditions for efficient gangue impurity removal.
Full Phosphate Liberation & Improved Beneficiation Index: The progressive closed-circuit circulating grinding mode thoroughly breaks tight symbiotic structures between phosphate minerals and gangue. It fully exposes effective phosphorus monomers, maximizes the selective separation effect of downstream flotation equipment, significantly improves phosphate concentrate grade and comprehensive phosphorus recovery rate, and reduces tailings phosphorus loss.
Controlled Fine Mud & Stable Flotation Environment: The precise classification system strictly controls finished particle size distribution and harmful ultra-fine mud content. It avoids flotation foam instability, reagent failure and separation efficiency decline caused by excessive slime, effectively stabilizing long-term continuous and efficient operation of phosphate flotation circuits.
Wide Ore Adaptability & Flexible Parameter Adjustment: Equipped with adjustable grinding speed, medium grading and classification parameters, the mill adapts to various types of phosphate rock, different gangue compositions and variable ore weathering degrees. It supports customized grinding fineness to meet diversified phosphate beneficiation process standards, with strong applicability for all kinds of phosphorus processing plants.
Low Comprehensive Consumption & High Economic Benefit: The optimized low-wear grinding structure reduces unit ore energy consumption and vulnerable parts abrasion. It lowers flotation reagent waste and resource loss caused by unbalanced grinding quality, reduces daily maintenance workload and unplanned shutdown losses, and comprehensively improves the long-term economic benefits of phosphate rock beneficiation projects.
4.Technical 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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