The grinding circuit is composed of a primary rod mill and two ball mills The 9 x 12 ft 400 hp rod mill runs in open circuit The two ball mills are currently set up to run in parallel with both mill discharges going to the same common cyclone The circuit will be rearranged to use the 11 5 x 14 ft 1 000 hp ball mill as the secondaryA Method Of .

Sales OnlineNov 19, 2019· The finesse of the material milled by the ball mill is 0074mm-04mm, only except for the two small ball mills that have a wider range of 0075-089mm However, the rod mill fine grinding fineness is about 0833-0147mm ,

Sales OnlineUS3042323A US774178A US77417858A US3042323A US 3042323 A US3042323 A US 3042323A US 774178 A US774178 A US 774178A US 77417858 A US77417858 A US 77417858A US 3042323 A US3042323 A US 3042323A Authority US United States Prior art keywords load mill lifter header cascade Prior art date 1958-11-17 Legal status (The legal ,

Sales Online11′ X 15’8″ FLSMIDTH DRY GRIND SHELL SUPPORTED MILLS, 1000 HP ID: L01885

Sales OnlineWestpro’s Ball Mills ensure fine grinding of minerals and ore Our Ball Mills are engineered to provide the most efficient solution for fine finishing ADVANTAGES Liners are less expensive than Rod Mill steel liners Ideal for fine grinding applications Easy grinding media handling BM58 (5′ Dia x 8′ Lg) Ball Mill fully assembled at .

Sales OnlineFind and contact USA wet grinding mill manufacturers & wet grinding mill suppliers from USA , 11 Ft x 125 Ft Marcy Ball Mill, spare pinion, oil hydraulic power pack , 125hp ball mill for sale Used BALL MILLS For Sale from Nelson Machinery ball mills for sale , 7′ x 7′ marcy ball mill, 125hp: mill: ball: 07×08: 1 ,

Sales OnlineSulphide ore is processed in the concentrator The mill employs two 32-ft SAG mills feeding a complex arrangement of rod and ball mills A final grind size of 219 microns is achieved before the slurry is passed on to flotation

Sales OnlineAug 16, 2021· 221 Ball mill model number indication method 222 Rod mill model number indication method 23 Basic parameters of the mill The basic parameters of the mill shall conform to the provisions of Table 1, Table 2, Table ,

Sales OnlineJan 27, 2022· Although similar in operation, a rod mill is often more effective than a ball mill as it requires lower rotational speeds and less steel to achieve the same results It is, however, limited to maximum rod and drum lengths of approximately 20 feet (6 meters) and is generally only used for wet grinding process

Sales OnlineUNUSED FLSMIDTH 22' x 41'6" (67m x 127m) Dual Pinion Regrind Ball Mill with 2 ABB 5,500 kW (7,375 HP) Drives for Total Power of 11,000 kW (14,750 HP) Manufacturer: FLSMIDTH Inventory ID: 6C-HM02 View Details

Sales OnlineFeed size should generally be -1/8″, for ball mill and -1/2″ 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 mill the proper grinding speed, usually 60%- 75% of the critical speed for ball mills and 50% to 90% of critical speed for .

Sales OnlineAt present, rod mill is the most effective crushing machine and its performance has achieved the international standard It is widely applied in the gravel industry And it is mainly used for processing or crushing the feldspar, quartz, minerals and other raw materials, and it is also suitable for finely or secondarily crushing the various tough or brittle materials, such as ,

Sales OnlineAug 06, 2015· Intermediate autogenous grinding can efficiently replace the rod mill and ball mill stage of a conventional grinding circuit The need was shown for closed circuit operation of the last stage of crushing to control the top size of the mill feed A reasonable rate ratio between media and total mill feed was established

Sales Online1-250-373-2427 6451 Trans-Canada Hwy Savona, BC V0K 2J0

Sales Onlineball mill Figure 12 [1] shows an industrial ball mill The two types of tumbling mills are distinguished by the use of rods or balls They are classified as rod-loaded and ball-loaded The distinctive feature of the rod-loaded mill is a shell, usually cylindrical, revolving with axis horizontal and diameter to length ratio 15 to 25 Figure .

Sales OnlineThe concentrator flowsheet begins with three rod mills operating in parallel and in open circuit followed by three ball mills operating in parallel and in closed circuit with a bank of ten 10-inch hydrocyclon As illustrated in Figure 3, rod mill discharge and ball mill discharge are combined in the same sump and pumped to the cyclon

Sales OnlineJan 01, 2016· For a rod mill–ball mill circuit, do not apply a mill diameter correction for the ball mill If the rod mill feed is produced by open circuit crushing, use a factor of 12 for the rod mill stage only If the rod mill feed is 80% passing 12 mm or less (eg from a closed circuit crusher) do not apply a rod mill efficiency factor

Sales OnlineThe 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

Sales OnlineNov 24, 2017· 1 Ball mill and rod mill are used to deal with various hardness of ore, rock and other materials whose particle size is not more than 60mm The particle size range is 15mm and 15mm after treated with ball mill, otherwise, the particle size range is below 6mm and 6mm after treated with rod mill 2 Ball mill and rod mill are distinguished .

Sales OnlineOVERVIEW 11 Ft x 125 Ft Marcy Ball Mill, spare pinion, oil hydraulic power pack, bearing housing, gear cover with clutch (Needs a motor and new liners) Quantity Available (1) description - INFORMATION ID# GM010

Sales OnlineJun 19, 2015· A Ball Mill Critical Speed (actually ball, rod, , in feet Example: a mill measuring 11’0” diameter inside of new shell liners operates at 173 rpm Critical speed is CS = 7663 / 11^05 = 231 rpm Ball and SAG Mills are driven in practice at a speed corresponding to 60-81% of the critical speed, the choice of speed being influenced .

Sales OnlineRod mills are used in an open circuit between crushing and the ball mill They often operate in wet and where the pulp contains up to 50% solid by mass This machine is equally very applicable to dry where it could take a feed that has achieved 6% moisture As such, when the product is sticky, rod mills are preferred over ball mills

Sales OnlineJul 03, 2017· Because of this, the rod mill can effectively reduce 1″ feed size to 10 mesh or finer in open circuit The voids (or interstitial space) within a rod load are approximately half those in a ball mill grinding load Rods in place weigh approximately 400 pounds per cu ft and balls in place approximately 300 pounds per cu ft

Sales OnlineJan 01, 1983· In terms of mill diameter 0 in feet, power P in KW, ball mass Mballs in s~ort tons, fraction of critical speed N , and fraction of mill loaded with balls M* B, the equation is: --p-= 310°3 (32 -3M;) N* (1-~ ) -113 Mba11s 2\9-10N) (3) A ball size-correction factor was included by Bond to account for media slippage in large mills and is not .

Sales OnlineThe working principle of ball mill and rod mill machine is similar, too That is, the cylinder drives the movement of the grinding medium (lifting the grinding medium to a certain height then dropping) Under the action of centrifugal force and friction, the material is impacted and ground to required size, so as to realize the operation of .

Sales Online1-250-373-2427 6451 Trans-Canada Hwy Savona, BC V0K 2J0

Sales OnlineBall mill is a key equipment to re-crush primary crushed materials Ball mills are widely used in cement, silicate products, 52555 new building materials, refractory materials, fertilizer, ferrous and non-ferrous metals and glass ceramics and other production industri

Sales OnlineFeb 13, 2017· Center peripheral discharge Rod Mill for minimal slimes in final product CERAMIC LINED BALL MILL Ball Mills can be supplied with either ceramic or rubber linings for wet or dry grinding, for continuous or batch type ,

Sales Online11 Ft x 125 Ft Marcy Ball Mill, spare pinion, oil hydraulic power pack, bearing housing, gear cover with clutch and motor More Info 12 Ft x 14 Ft Marcy Ball Mill id GM035

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