Overflow Ball Mill – Efficient Ore Fine Grinding Equipment For Mining
Overflow Ball Mill is a high-efficiency horizontal grinding equipment with steel balls as grinding media and natural overflow for ore discharge, mainly for fine and ultra-fine grinding operations.
It features stable operation, uniform finished product particle size, simple structure and easy maintenance, and can realize 24-hour continuous grinding work.
Widely used in mining secondary grinding, non-ferrous metal beneficiation, quartz sand grinding and other scenarios, suitable for fine grinding of medium and hard ores.
The Overflow Ball Mill is a high-efficiency horizontal grinding equipment with steel balls as the grinding medium and natural overflow for ore discharge. It is composed of cylinder, steel balls, frame, motor, transmission system, sealing system, overflow weir and other core components. Driven by the motor, the cylinder rotates to drive the steel balls and materials to fully collide, extrude and grind, and then the qualified materials are discharged through the discharge port by natural overflow to realize fine and high-precision grinding of materials. The equipment includes small, medium and large specifications, and the discharge mode can be pure overflow or overflow + auxiliary forced. It has the advantages of firm structure, stable operation, wear resistance and energy saving, intelligent controllability, strong adaptability and easy operation, with the core characteristics of overflow discharge, uniform grinding and adaptation to fine grinding. It can directly receive materials from cone crushers, grid ball mills and other equipment to form a complete processing production line, and is widely used in mining, sand and stone, metallurgy, construction and other industries. It can process a variety of medium and high hardness materials, focusing on adapting to wet fine grinding, high-precision grinding and flotation supporting scenarios. With low energy consumption, easy maintenance and high-quality finished products, it is a cost-effective core choice for fine grinding operations of different scales.
Product Specification Parameters
Model
Cylinder Specification (Dia×Length) mm
Max Feed Size (mm)
Grinding Fineness (Mesh)
Processing Capacity (t/h)
Motor Power (kW)
Cylinder Speed (r/min)
Machine Weight (t)
Discharge Mode
Steel Ball Specification (mm)
MQY-600×900 (Small)
Φ600×900
≤20
80-200
1-4
11
48
1.9
Natural Overflow
Φ20-Φ40
MQY-1200×2400 (Medium)
Φ1200×2400
≤30
100-300
8-25
37
38
9.5
Natural Overflow (Optional with Auxiliary)
Φ30-Φ60
MQY-1800×3600 (Medium)
Φ1800×3600
≤50
150-400
40-80
132
30
30.2
Natural Overflow
Φ40-Φ80
MQY-2400×4500 (Large)
Φ2400×4500
≤60
200-500
100-180
280
24
79.3
Natural Overflow + Forced Auxiliary Discharge
Φ50-Φ100
Product Advantages & Technical Highlights
High efficiency for fine & ultra-fine grinding with high discharge fineness
Natural overflow discharge for stable operation and low noise
Uniform finished particle size, meeting the requirements of mineral processing
Simple internal structure with low failure rate and easy maintenance
24-hour continuous grinding operation with stable performance
Wide applicability, mainly for mining secondary grinding and fine grinding
