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Tangshan Dacheng Machinery Manufacturing Co., Ltd.

Ball Mill, Grinding Mill, Rod Mill manufacturer / supplier in China, offering Iron Ore Production Line Rod Mill, Pcf Series 60t/H Double-Ring Hammer Crusher, China Top Quality 1200 Double Wheel Wet Pan Mill for Grinding Gold Silver and so on.

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Supplier Homepage Product Ball Mill Iron Ore Production Line Rod Mill

Iron Ore Production Line Rod Mill

FOB Price: US $320 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $320/ Piece
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Production Capacity: 500/Y
Transport Package: Plastic Film
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: MQ
  • Motor Type: AC Motor
  • Rotationl Speed: 17-19r/min
  • Materials: Iron
  • The Maximum Feed Size: 80-160 mm
  • Trademark: TSDC
  • Origin: Tangshan
  • Type: Ball Mill
  • Motor Power: 15KW
  • Application: Mine
  • Condition: New
  • Capacity: 150-600 T/H
  • Specification: MQ1830*6400
  • HS Code: 84742020
Product Description
Rod mills are very similar to ball mills, except they use long rods for grinding media. The rods grind the ore by tumbling within the the mill, similar to the grinding balls in a ball mill. To prevent the conditions leading to rod charge tangling, the length to diameter ratio is maintained at 1.4 to 1.6. Rod mills accept feed up to about 50 mm (2 in.) and produce a product in the size range of 3000 to 270 mm (4 to 35 mesh). Grinding action is by line contact between the rods extending the length of the mill. Rods tumble and spin in roughly parallel alignment simulating a series of roll crushers. This results in preferential grinding of coarse material and minimizes production of slimes.

Of the three main types of rod mill, overflow, end peripheral discharge, and center peripheral discharge only the overflow mill is in common usage. Wet grinding rod mills are normally used in the mineral processing industry. Dry grinding is used in some areas; however, it is confronted with problems and should be avoided except where absolutely necessary. Rod mills operate at lower speed than ball mills since the rods are rolled and not cascaded. For an equivalent grind, a rod mill uses less steel than a ball mill because of the lower speed and better contact between the media and ore. 

The rod charge must be maintained in good working condition, and broken and worn rods must be removed. Rod mills usually require greater operator attention. It is important that the rods stay essentially parallel to one another. If rods become misaligned, grinding action is lost and, more importantly, rod tangles occur. Maximum rod length is limited to about 6.1 m (20 ft). This in turn limits the length, diameter, and capacity of rod mills. The heavier rods acting upon the lifters and liners result in greater wear on the mill liners. 

Rod mills normally carry 35 to 65% rod charge by volume. The limits on charge level are (1) keeping the feed end trunnion open so that feed will get into the mill, and keeping the rod charge low so rods will not work their way into discharge openings where they can cause rod tangling. 

Advantages:
1. When the diameter of rod mill is less than 3200mm, its conventional configuration is using rolling bearing instead of bearing bush sliding bearing energy saving 10% - 20%;
2. When the diameter of rod mill is more than 2700mm, its conventional configuration is using slow driving for maintenance installing liner use;
3. When the diameter of rod mill is less than 1500mm, its conventional configuration is monolithic large chassis reducing the installation time and installation requirements;
4. When the power of rod mill is less than 110 KW, it uses cage asynchronous motor; When the power of rod mill is more than 110 KW, it uses wire wound asynchronous motor; When the power of rod mill is more than 400 KW, it can use high pressure (6 KV or 10 KV) asynchronous motor or the TDMK series high voltage (6 KV or 10 KV) synchronous motor;
5. Drum Feeder Spiral Feeder and Joint Feeder are available for meeting different working condition;
6. The gear lubrication mode has grease lubrication thin oil lubrication and automatic oil mist lubrication for meeting different working condition;
7. The bearing lubrication has manual and electric grease lubrication pump to select and it can realize lubrication automation;
8. There are a variety of liner plates type to select. Compared to A series standard type B series energy-saving type can save energy 10% - 20%.
 
ModelFeeding Size(MM)Revolution
(r/min)
Motor (KW)Output (t/h)
MQ1530*3000≤2533.5808-12
MQ1500*4500≤2533.51108-12
MQ1500*5700≤2533.51308-12
MQ1600*3000≤2529.8957-18
MQ1600*4500≤2529.81307-18
MQ1600*6000≤2529.81557-18
MQ1830*4500≤2526.2515518-25
MQ1830*6400≤2526.2521018-25
MQ1830*7000≤2526.2524518-25
MQ2100*3000≤2524.518020-30
MQ2100*3600≤2524.521020-30
MQ2100*4500≤2524.524520-30
MQ2200*7000≤2521.3438025-35
MQ2400*4500≤2522.0538025-50
MQ2700*3600≤2521.5447530-60
MQ2700*4500≤2521.5447530-60
MQ3200*4500≤2518.6880040-100
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Mr. Liu Xue
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