Regardless of the ball mill or the rod mill when the cylinder rotates the grinding media ball or rod installed in the cylinder body are lifted to a certain height and then they are thrown at a certain linear velocity so the grinding media causes some impact and crunch to materials of the cylinder body. Finally the grinding work is finished.
Rod mills are very similar to ball mills except they use long rods for grinding media. Rod mill is named like this because the grinding media filled in the cylinder are steel rod. The rods grind the material by tumbling within the mill. To prevent the conditions leading to rod charge tangling the length to diameter ratio is maintained at 1.4 .
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Energy Saving Rod Ball Mill Used in Mining and Metallurgy Find Details about Rod Mill Rod Ball Mill from Energy Saving Rod Ball Mill Used in Mining and Metallurgy -
chandigarh rod mill. Feed size should generally be -18 for ballmilland -12 forrod mill. They are of a sturdy rugged design to handle frequent use with hard materials. The batch ball androdmills require a drive roll to rotate themillthe proper grinding speed usually 60- 75 of the critical speed for ball mills and 50 to 90 of .
Ball Mill Models Available in various sizes typically in the range of 0.9m x 0.9m to 3.67m x 6.4m. Applications Ball Mills and other forms of tumbling mills such as Tube Mills Rod Mills and Batch Mills form a significant type of equipment used for the size reduction of a wide variety of materials such as minerals ores coal
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.
Rod mills for coarse grindingflsmidth. though mill length is limited by manufacturing constraints for the grinding rods our rod mills are available in diameters from 5 feet up to 15 feet. designs extend to 15 feet in diameter by 21 effective feet . inquire now stone jaw crusher supplier latest ball mill
Inventory ID 6C-HM02. UNUSED FLSMIDTH 22 x 416 Dual Pinion Regrind Ball Mill with 2 ABB 5500 kW 7375 HP Drives for Total Power of 11000 kW 14750 HP
The mill product can either be finished size ready for processing or an intermediate size ready for final grinding in a rod mill ball mill or pebble mill agsag mills can accomplish the same size reduction work as two or three stages of crushing and screening a rod mill and some or all of the work of a ball.
Nov 26 2019 Grinding ratio can reach 4000 5000 more than ten times higher than ball rod mill. Application. Autogenous mills are common in the primary processing unit for the major large grinding circuits in the mining field separates out some precious metals like gold silver. Ball mill.
The Rod Mill is the same as the Ball Mill in the construction and available to both of wet and dry processing. Unlike the Ball Mill however the Rod Mill uses rods instead of balls as the grinding medium. As a result its uses are different from those with the Ball Mill. In other words the Rod Mill gives impact on and grinds coarse particles .
The grinding circuit consists of a 9 ft. diameter by 12 ft. long rod mill powered by a 450 hp motor plus a 7 ft. diameter by 10 ft. long ball mill powered by a 200 hp motor and a 6 ft. by 6 ft. ball mill powered by a 150 hp motor. The rod mill is fed from two fine ore bins via belt conveyors that discharges ground ore slurry into a sump .
The Critical Speed for a grinding mill is defined as the rotational speed where centrifugal forces equal gravitational forces at the mill shells inside surface. This is the rotational speed where balls will not fall away from the mills shell. Result 1 This mill would need to spin at RPM to be at 100 critical speed. Result 2 This mills .
When you need a new mill budgetary or time constraints may be a limiting factor. We can refurbish your mill or convert a previously-owned unit to meet your specific needs. For example a ball mill may be converted into a SAG mill or a rod mill into a ball mill.
Feed size should generally be -18 for ball mill and -12 for rod mill. They are of a sturdy rugged design to handle frequent use with hard materials. The batch ball and rod mills require a drive roll to rotate the mills. The batch ball mill should be run between 56 RPM and 70 RPM. The batch rod mill should be run between 47 RPM and 79 RPM.
Apr 11 2013 Rod mill and ball mill This are the tertiary crushers A rod mill consist of a circular steel shell The interior of the shell is lined on the inside with a hard material wearing surface The shell contains a number of steel rods The length of these rod is slightly less then the length of the shell . Read article
No 1 rod millball mill circuit was operating very ef ciently when comparing the combined operating work indices for both mills with the rod mill and ball mill laboratory work indices. Note in Figure. 1 that the rod mill product slope is less than 0.5 due to an extra amount of
Ball Mill Rubber Liner. Mineral Processing Equipment ball mill rubber liner - A type of mining equipment that can trigger the development and change of the beneficiation technology industry.The main core machines are ball mills rod mills flotation machines magnetic separators etc.
Designs extend to 15 feet x 22 feet 21 feet effective. Though mill length is limited by manufacturing constraints for the grinding rods our Rod Mills are available in diameters from 5 feet up to 15 feet. Designs extend to 15 feet in diameter by 21 effective feet in length. Suitable for coarse ore feed.
Sep 21 2019 Tumbling mills Rod mill In a rod mill much of the reduction is done by rolling compression and by attrition as the rods slide downward and roll over one another. The grinding rods are usually steel 25 to 125 mm 1 to 5 in. in diameter with several sizes present at all times in any given mill. The rods extend the full length of the mill .