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Rod Mill

Production capacity: 100-3000t/d Equipment advantages: ≤25mm Motor power: 30-3000kw Application fields: Widely used in metal and non-metal mines, water conservancy, and building materials departments for grinding various ores or rocks.

Hotline： +86 151 3866 6240

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Product Introduction

A rod mill is a grinding equipment that uses steel rods as grinding media. Due to its unique crushing method, it is particularly adept at producing qualified products with uniform particle size and minimal over-grinding.

Core Structure:
It mainly consists of a horizontal rotating cylinder (with wear-resistant liners), a hollow shaft feed/discharge end, a transmission system (motor + reducer + large gear ring), main bearings and a lubrication and cooling system, electrical control, and grinding media (high-carbon steel rods, 50–100mm in diameter, slightly shorter than the cylinder). It is classified into overflow type and peripheral discharge type based on discharge.

Working Principle:
Equipment Start-up: The motor drives the cylinder to rotate slowly through the reducer.
Media Movement: The steel rods inside the cylinder are lifted by centrifugal force and friction, and fall in a cascading or throwing motion after reaching a certain height.
Crushing Process: The falling steel rods form line contact with the material. Within the rod group, larger particles are preferentially crushed by the steel rods, while smaller particles can pass through the gaps between the rods, avoiding over-grinding. This “coarse-to-fine” process is called selective crushing, and it’s key to achieving uniform product particle size.
Product Discharge: The finely ground material overflows through the discharge port with the slurry, completing the entire grinding process.

Equipment Advantages:
Minimal Over-grinding: The steel rods use line contact grinding, similar to a “bar screen,” allowing fine materials to pass directly without repeated grinding, resulting in uniform finished particle size.
Good Particle Shape and Consistent Particle Size: Suitable for coarse and medium grinding, with stable output particle size, especially suitable for gravity separation and pre-grinding before sand making.
Large Processing Capacity, Suitable for Open-Circuit Grinding: Fast discharge, achieving ideal particle size without closed-circuit operation, and a simple process flow.
Strong Adaptability to Feed Fluctuations: Less prone to clogging or jamming even with large variations in feed particle size.
Uniform Steel Rod Wear and Easy Replacement: Compared to steel balls, the rod mill media is more uniform, making maintenance intuitive.

Equipment Parameters:

型号规格	给料粒度(mm)	排料粒度(mm)	处理量(t/h)	流程给料量(t/h)	负荷率(%)	作业率(%)
MBS0918	900	≤25	0.833-0.147	0.62-3.2	18.5	5500
MBS0924	900	≤25	0.833-0.147	0.81-4.3	22	6100
MBS1224	1200	≤25	0.833-0.147	1.1-4.9	30	12000
MBS1530	1500	≤25	0.833-0.147	2.4-7.5	75	16800
MBS1830	1830	≤25	0.833-0.147	4.8-11.6	130	29000
MBS2130	2100	≤25	0.833-0.147	14-35	155	34800
MBS2136	2100	≤25	0.833-0.147	19-43	180	37000
MBS2430	2400	≤50	0.833-0.147	25-65	245	54000
MBS2442	2400	≤50	0.833-0.147	45-65	355	74500
MBS2736	2700	≤50	0.833-0.147	32-86	380	86000
MBS2745	2700	≤50	0.833-0.147	60-85	500	88000
MBS3245	3200	≤50	0.833-0.147	64-180	630	137000

Performance Advantages

Intelligent

Automatic analysis of operating status and early warning of abnormal conditions allow you to be fully aware of how your equipment is running.

Fully automated

From crushing and feeding to concentrate output, the entire production line can be started and stopped sequentially with a single button.

Safety

The equipment is equipped with multiple mechanical interlocks and electrical protection devices to ensure the safety of personnel and equipment.

Highly adaptable

The equipment can process various types of ore, from soft limestone to high-hardness iron ore, and is adaptable to both dry and wet processing methods.

Product Inquiry

Hotline： +86 151 3866 6240