CALCULATIONOFTHEGRINDINGBALLSCONSUMPTIONUnderthenormalworkingconditionoftheballmill,theballmillrunsfrom720hto3000h(accordingtotheworkingconditions,andthespecifictimeisagreedbyboththesupplierandthebuye...
View More →This standard was revised based on JC/T 533 —1994. This standard shall replace JC/T 533-1994 since the date of the implementation. Compared with JC/T 533-1994, the main changes in this standard are as follows:
View More →This standard specifies the terms and definitions, product classification, technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of cast chromium alloy grinding balls for the building materials industry.
View More →Chinalco Peru tromoca copper mine: Toromocho mine is a large copper mine in central Peru. The mine has large-scale high-quality copper resources and resource reserves of 1.52 billion tons, of which copper accounts for 0.48% and 7.3 million tons; Molybdenum accounts for 0.019%, 290000 tons; In addition, it has a large ore body with 336 million tons of silver reserves. The mine adopts open-pit mining and traditional flotation process. The average processing capacity of the concentrator is 117200 T / D and the annual ore processing capacity is 42.78 million tons. One SAG mill (specification: Φ 12.19m × 7.92m) and two ball mills (specification: Φ 8.53m × 13.41m). The annual demand for grinding media balls is 50000 tons Peru malkona iron mine of Shougang: Shougang's Peru Iron ore concentrator was completed and put into operation in 1963, with 8 original beneficiation production lines and a design capacity of 11.5 million tons of raw ore per year. At present, the concentrator has 9 production lines with a production capacity of 7.5 million tons of products, including about 5.8 million tons of fine powder and about 1.7 million tons of coarse powder and horse coarse powder. The concentrator is divided into fine crushing, grinding, filtration and pelletizing processes. The demand for grinding balls is 6000 tons. The output of the expanded production line to be put into operation in 2018 is also 10 million tons, and it will reach 20 million tons after reaching the production capacity. The demand for grinding media balls will reach 20000 tons. Minmetals lasbambas mine: lasbambas mine is located in Apurimac province of Peru and was acquired by Minmetals resources in April 2014. The two grinding production lines are one SAG mill and two ball mills. The daily processing capacity is 140000 tons of raw ore and the annual processing capacity is 46.5 million tons. Concentrator semi autogenous mill Φ 12.2m × 6.7m, mill power 24000 kW, annual grinding ball demand 60000 tons. Cerro Verde copper mine in Freeport: the mine is located in Arequipa region in southern Peru. Freeport McMullen copper and gold Co., Ltd. holds 53.56% of the shares of Cerro Verde, making it one of the top five copper producers in the world, with an annual demand for grinding ball of 200000 tons. The South American market is the gathering place of large metal mines in the world and the main customer location of grinding media ball consumption. The annual demand exceeds 300000 tons, and the market demand is huge
View More →The terms and definitions established in GB / T5611, GB / T 17445 and the following shall apply to this standard Medium Chromium abrasion-resistant cast grinding balls
View More →5. Technical Requirements 5.1 The grinding balls tolerance of the diameter should be accord with Table 1. 5.2 The main chemical composition of each grades should be accord with Table 2.
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