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ROD MILLS

Rod Load: 8-94 t
Discharging Size: 0.1-5 mm
Capacity: 5.5-340 t/h
Customization: support
Material: various kinds of ores, like marble, pebble, granite, etc.

Rod mill is a commonly used grinding machine, which is named after the steel rod (grinding media) loaded in the cylinder. It can be divided into the wet grinding type and dry grinding type, suitable for fine crushing and coarse grinding of various brittle materials. It is widely used in the coal industry, building materials industry, chemical plants, and other industries with high requirements for finished product uniformity.

The structure of the rod mill is the same as the ball mill. The main difference is that the grinding media inside the rod mill is steel rods, while the ball mill adopts steel ball as the grinding media. Besides, the rod mill does not use grate plates for material discharging but applies open type, overflow type, or peripheral type discharge device.

The feeding size of AGICO rod mills shall be less than 30mm. Our rod mills feature large output, fair price, uniform discharge size, and less over-grinding phenomenon. They are mostly used in gravity separation or magnetic separation production lines, and also applied in the first stage of a two-stage grinding. AGICO offers rod mill customization service and equipment one-stop services to meet customers’ production needs. If you are interested in our rod mills or other ball mill grinders, please feel free to contact us!

ROD MILL TYPES

Rod mills can be classified into the wet grinding type and dry grinding type. The wet-type rod mill is more commonly used. According to different discharge modes, it can be further divided into overflow type rod mill, open type rod mill, and peripheral discharge rod mill.

Open type rod mill: there is a horn-shaped overflow port in the center of the discharge end. To avoid material slurry splashing and steel rod sliding out, the overflow port is blocked by a fixed conical cover. The material slurry will overflow through the annular space between the port and the cover.

Peripheral discharge rod mill: except for the discharge mode, its structure is the same as the overflow rod mill. In view of the advantages of high efficiency and low energy consumption, it has been widely used in the market.

Overflow type rod mill: the discharge size of the overflow type rod mill is finer than the other two rod mills, and it is generally used together with a ball mill.

ROD MILL WORKING PRINCIPLE

The rod mill is mainly composed of the feeding part, cylinder, transmission device, coupling, discharging part, steel rod, lining plate, and so on.

rod mill structure
Rod Mill Structure

The motor drives the cylinder to rotate through a reducer and a big gear. The cylinder is filled with grinding media (steel rod) and raw material. Under the action of centrifugal force and friction, they are lifted to a certain height, then drop and collide with each other to achieve the purpose of grinding.

HIGHLIGHTS OF ROD MILL

Reasonable Structure & Excellent Performance
The overall structure of the rod mill is scientific and reasonable. It has a high degree of automation and excellent performance. 
Low Energy Consumption & Low Cost
Compared with the traditional grinding equipment, rod mill can save more than 40% power so the operation cost is low.
Uniform Discharging Particle Size & High Output
The rod mill has a uniform discharging particle size, a large crushing ratio, and high output. It is suitable for ores with different hardness (Mohs hardness 5.5-12).
Adjustable Discharging Particle Size
The equipment has a built-in fineness control device, which can adjust the discharging particle size to ensure that there is neither over-grinding nor unqualified products.
Long Service Life
The lining plate, vulnerable parts, and core components of the rod mill are made of high-quality and wear-resistant raw materials. It has a low failure rate and long service life during the operation.
rod grinding mill
Rod Mill On Site

SPECIFICATION

ModelCylinder Size(m)Effective Volume(m3Rod Load(t)Rotation Speed(r/min)Power(kW)Discharging Size(mm)Capacity(t/h)Weight(t)
AGMB1530φ1.5×3.05823752.5-0.25.5-1216.71
AGMB1830φ1.8×3.06.51722.81322.5-0.29.5-2029.8
AGMB2122φ2.1×2.26.71820.91602.5-0.212-2742.5
AGMB2130φ2.1×3.09.22520.91602.5-0.213-3043.9
AGMB2136φ2.1×3.6112820.92002.5-0.214.8-3549.4
AGMBZ2136φ2.1×3.61132.520.9210-543-61.549.9
AGMB2140φ2.1×4.012.23120.92202.5-0.217-3850.3
AGMB2145φ2.1×4.513.83520.9250-519-4351.8
AGMB2430φ2.4×3.012.231192505-0.822-4756
AGMBZ2430φ2.4×3.012.231192505-0.952-7358.3
AGMB2436φ2.4×3.614.637192805-0.1026-5561
AGMBZ2436φ2.4×3.614.637192805-0.1160-8462.4
AGMB2730φ2.7×3.015.33517.53155-0.1237.5-12575.6
AGMB2736φ2.7×3.618.44217.53555-0.1345-15081.8
AGMBZ2740φ2.7×4.020.54717.54005-0.1450-16584.3
AGMB3040φ3.0×4.025.95016.25005-0.1562-206130
AGMB3245φ3.2×4.5335615.56305-0.1670-228138
AGMB3248φ3.2×4.8346015.57105-0.1774-240142
AGMB3645φ3.6×4.540.87814.58005-0.1883-270168
AGMB3654φ3.6×5.4509414.510005-0.19103-340192
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