19-06-2015· Ball Mill Power/Design Calculation Example #2 In Example it was determined that a 1400 HP wet grinding ball mill was required to grind 100 TPH of material with a Bond Work Index of 15 ( guess what mineral type it is ) from 80% passing ¼ inch to 80% passing 100 mesh in closed circuit.
Get Price22-06-2015· So how do we explore for Porphyry Copper Deposits which are completely covered by barren younger rocks? Well let’s back up a bit, we know that porphyries form under large subduction related volcanoes and that most of these are located under the ring of fire around the subducting pacific plate another fertile subduction zone occurs in Balkans, Turkey, Iran and Pakistan.
Get PriceUpon completion of this lesson students should be able to: Differentiate between different type metallurgical accounting methods and benefit of metallurgical accounting. Recall the definitions of grade, recovery, yield and other characteristics used in mass balancing. Recognize the application of two product formula for balancing.
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Get Price19-06-2015· Ball Mill Power/Design Calculation Example #2 In Example it was determined that a 1400 HP wet grinding ball mill was required to grind 100 TPH of material with a Bond Work Index of 15 ( guess what mineral type it is ) from 80% passing ¼ inch to 80% passing 100 mesh in closed circuit.
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Get PriceThe aim of this research work was to investigate on the ball filling estimation of Miduk semi-autogenous (SAG) Mill via an utilized method. Miduk copper concentrator is located in Kerman Province, Iran, and its size reduction stage includes one gyratory crusher which feeds one SAG mill (9.75 dia.(m)*3.88 length(m)) following two parallel ball mills (5dia.(m)*7lenght(m)).
Get PriceUpon completion of this lesson students should be able to: Differentiate between different type metallurgical accounting methods and benefit of metallurgical accounting. Recall the definitions of grade, recovery, yield and other characteristics used in mass balancing. Recognize the application of two product formula for balancing.
Get Price(balls and.a comparison of wear rates of ball mill grinding .key words: grinding media; wear rate; ball mill abrasion test. 1. . ores and 20 µm/hr for abrasive gold copper smaller mill the charge consisted of 16 balls.grinding balls & rods 911 metallurgistmay 13 2018 . the original charge to a mill is generally between 40% and 50% of mill . loads can be estimated by assuming 300 lb. per cu ...
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Get PriceProcessing copper ball mill. Processing copper ball mill. When the rocks are about 38inch or smaller they are fed as a slurry into the two ball mills Each ball mill is turned by a single 3000 horsepower electric motor These mills contain literally hundreds of thousands of threeinch diameter steel balls that pulverize the ore until it is like fine sand or face powder Only then are the copper
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