When calculating rod mill power for a rod millball mill circuit, do not allow for improvement in the ball mill performance due to receiving rod mill feed. If the rod mill feed is produced with open circuit crushing, apply a 1.2 inefficiency factor to the power calculated for the rod milling stage only.
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Grate Discharge mills will not face this issue C This value represents the Volumetric Fractional Filling of the Voids in between the balls by the retained slurry in the mill charge As defined this value should never exceed 100 but in some cases particularly in Grate Discharge Mills it
Get PriceThe 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 mill.
Get PricePlease find below two calculators for sizing mills using the Bond and Rowland methods Ball mill sizing Calculator for ball mills in a single stage circuit Rod ball mill sizing Calculator for rod mills as first stage of the circuit and ball mills as second stage of the circuit
Get PriceRod Mill Capacity. Mill capacity is dependent on Mill Characteristics length, diameter, rotation speed, lifters Feed Characteristics work index Reduction Ratio Under given load and particle size requirement, capacity is a function of mill length and diameter Q kLD 2N
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Get PriceThe 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 mill
Get PriceGrinding Mills Westpros heavy duty grinding mills are designed for durability and excellent grinding performance in mining applications 6ft Diameter x10ft Ball and Rod Mills at the Westpro Shop Advantages Sizes up to 49m 16ft diameter and 4500HP 3356KW Equipped with new generation hydraulic drives and low drag high capacity
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Get PricePlease find below two calculators for sizing mills using the Bond and Rowland methods Ball mill sizing Calculator for ball mills in a single stage circuit. Rod ball mill sizing Calculator for rod mills as first stage of the circuit and ball mills as second stage of the circuit.
Get PriceRod 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 2 keeping the rod charge low so rods will not work their way into discharge openings where they can cause rod tangling
Get PriceIn Mineral Processing Design and Operations Second Edition 2016 831 Rod Mill Charge Rod mill charges usually occupy about 45 of the internal volume of the mill A closely packed charge of single sized rods will have a porosity of 93 With a mixed charge of small and large diameter rods the porosity of a static load could be reduced even further
Get PriceMar 09 2016 3 easy steps to calculate ball mill capacity If this is your first visit be sure to check out the FAQ by clicking the link above You may have to register before you can post click the register link above to proceed
Get PriceMaximum 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.
Get PriceThe use of a rod mill for producing manufactured sand is not a recent application A Marcy Open End Rod Mill has been operating at the plant of the Sun Sand Company Thayer West Virginia since 1925 In early 1940 an 8 x 12 rod mill of the open end type was installed at Shasta Dam near Redding California for sand production
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Get PriceThe basic parameters used in ball mill design power calculations, rod mill or any tumbling mill sizing are material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating solids or pulp density, feed size as F80 and maximum chunk size, product size as P80 and maximum and finally the type of circuit openclosed
Get Price47th Annual Canadian Mineral Processors Operators Conference Ottawa Ontario January 2022 2015 INTRODUCTION Conventional low throughput grinding options consisting of multistage crushing followed by rod and ball mills have almost become obsolete in
Get PriceThe mill lengths are more or less guided by the length of rods The maximum rod length conveniently used is about 66 m The lengths of the rods are about 100150 mm shorter than the inside mill length Data from Rowland 1 indicate that the lengthtodiameter ratio of mills ranges from 12 to 23
Get Price8.4. Rod Mill Capacity. The capacity of rod mills will depend on the tonnes of the finished product of required size produced per unit time and thus will be a function of. mill characteristics, i.e., length, diameter, speed of rotation, lifters, feed ore characteristics, i.e., soft, brittle or hard,
Get PriceOur Rod Mills are available in multiple diameters to fit the needs of your operation. Grinding primarily by attrition Rod Mills require comparatively low levels of power to operate. Rod Mills can be either wet or dry designs. Once replaced by AG and SAG mills Rod Mills have had a . Get Price Calculation Capacity Screw Conveyor
Get PriceCapacity:0.18-7 (m ³/min)
Suitable Materials:Copper, zinc, lead, nickel, gold and other non-ferrous metals, ferrous and non-metal.