10 tonne per hour ball mill gold . . for a 300ton ballmill flotation plant for the . ball mill grinding, bulk . capacity to process the concentrates . ball mill dry process Ball mill's capacity is .6530 ton per hour, ball mills are widely applied in cement, stone industry, have dry process and wet process to grinding.
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An equation given by Mortsell, for the rate of metal wear, is. where is the total weight of balls, Wt' is the wear per unit time, d is as before and K is a constant which generally fills between 9 and 16 for Swedish ore but, in extreme cases, between 5 and 23; Wt' being in kilograms per hour and in metric tons.
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The original ball load in the mill was 6614 lb. (3000 kg.) and the load at the end of the 694 hr. was 6338 lb. ( kg.). During this time, 590 lb. ( kg.) of balls less than 3 in. ( mm.) in diameter were discarded from the mill. The screen analysis of the ball charge at the end of the operation is shown in Table 20.
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Get contact details address of companies manufacturing and supplying Ball Mills, Laboratory Grinding Mill, Large Roll Ball Mill across India. IndiaMART. ... Electric Mild Steel Ball Mills, For Industrial, 15 Inch ₹ 95,000 / piece. Shree Krishna Enterprise ... PMI Stainless Steel Industrial Ball Mills, Ton ₹ 1,00,000/ Piece Get Latest ...
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SAG Ball Mill Dimensioning Free download as Excel Spreadsheet (.xls), PDF File (.pdf), Text File (.txt) or view presentation slides online. ... charge : Overfilling slurry : Interstitial slurry : Net total : losses . Gross total : 21,458 2 10,729 15 76 11 Kwh/ton Kwh/ton Kw Kw/mill rpm ... Interstitial slurry : Net total ...
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Power drawn at the pinion is 448 kW, kWh/tonne (SAG mill) and 570 kW, kWh/tonne (ball mill) when processing mtph, for a total of kWh/tonne or % above the conventional estimate. A ball charge volume which is lower than those tested has been selected in order to minimize wear.
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19. A certain crusher takes rock whose average particle diameter is m and crusher is to give a product whose average particle diameter is m at the rate of 20,000 kg/hr. At this rate, the mill takes 684 kgf m/sec of power and 35 kgfm/sec power is required to run it empty. (1) What would be the power consumption in terms of HP for same capacity if the average particle diameter in ...
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Buy used Ballmills from King Industries. We can help guide you to the best solution for your equipment needs. Your Partner in Building a Sustainable Mining Future ... ALLIS CHALMERS 10' x 15' (3m x ) Ball Mill Parts with AC 800 HP (597 kW) Motor. Manufacturer: OUTOTEC. Inventory ID: 6C159. View Details. HP: 800: KW: 597: Diameter:
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: Hard iron ore: : : ... The ball mill work index laboratory test is conducted by grinding an ore sample prepared to passing ... If the Bond work index is 400 kWh/ton, what is the power requirement to process 100 ton/h of the refuse described in Fig. 1416?
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The Hammer Mill is used either as a onestep primary crusher for reducing runofquarry material to as small as <1in. size, or as a secondary crusher taking 4~8in. primarycrusher product down to <¾in. or finer. Its use as a rock crusher is almost wholly confined to the softer, easily crushable materials such as phosphates, gypsum, barite, asbestos rock, cement rock, and the like, medium ...
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Ball Mill Grindability Test was conducted by standard practice using 100mesh (150 pm) closing screens. ... where W is the work input required in kilowatt hours per short ton to grind from 80% passing F microns to 80% passing P microns, and Wi is the work index, or the grinding resistance parameter. ... In each of the 15 ores the data from the ...
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21 CONCLUSIONS Continued In the present work, equations were also derived, giving: zthe ballmill power drawP as a function of its dimensions: internal mill diameter D and length L, zthe ballmill power drawP as a function of the feed D f (mm) and the product size d (mm), the Bond work index w i (kWh/short ton) and the mill throughput T (short ton/h), zthe ballmill dimensions (D and L), when ...
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A wet grinding ball mill in closed circuit is to be fed 100 TPH of a material with a work index of 15 and a size distribution of 80% passing ¼ inch (6350 microns). The required product size distribution is to be 80% passing 100 mesh (149 microns). In order to determine the power requirement, the steps are as follows: Example Calculation
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The power required to crush 100 ton/hr of a material is kW, if 80% of the feed passes through a 51 mm screen and 80% of the product passes through a mm screen. ... n a ball mill of diameter 2000 mm, 100 mm dia steel balls are being used for grinding. Presently, for the material being ground, the mill is run at 15 rpm. At what speed ...
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Comparisons with the Bond procedure showed a good agreement for the prediction of the ballmill dimensions, due to the fact that the proposed model is not sensitive to the various corrections ...
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: 230: 90 (closedcircuit) YRKK9008: 3550: JB150B1: 254: Φ×13* : 270: 120 (closedcircuit) YRKK10008: 4500: JST160: 292: Φ×14* ... compartments. The larger the lengthdiameter ratio of the ball mill is, the more compartments there are. For dry ball mills used in the closedcircuit grinding system, when divided into two ...
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Objectives. At the end of this lesson students should be able to: Explain the grinding process. Distinguish between crushing and grinding. Compare and contrast different type of equipment and their components used for grinding. Identify key variables for process control. Design features of grinding equipment (SAG, BALL and ROD MILLS)
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Question 3 A ball mill operating at a feed rate of 108 ton h −1,consumes 10kw power for reducing size of mineral particles from to If Bond's law holds good, at which rate the minerals will be fed in the ball mill to produce products of at the same power consumption. Round off the feed rate at two decimal places.
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All Grinding Mill Ball Mill Manufacturers understand the object of the grinding process is a mechanical reduction in size of crushable material. Grinding can be undertaken in many ways. ... particles pass a screen with 25 x 25 mm apertures shall be ground to approx. 95% passing mm in a x m ball mill of 35 ton charge weight. In ...
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V — Effective volume of ball mill, m3; G2 — Material less than in product accounts for the percentage of total material, %; G1 — Material less than in ore feeding accounts for in the percentage of the total material, %; q'm — Unit productivity calculated according to the new generation grade (), t/(). The values of q'm are determined by ...
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