grinding medium वाक्य
उदाहरण वाक्य
मोबाइल
- This action retains the grinding medium within the mill.
- The mill used silica, crushed and screened, as the grinding medium.
- The ground product is separated from the grinding medium at the discharge end of the mill.
- It avoids the need to use screens to separate the grinding medium from the ground particles.
- The IsaMill avoids these contamination-related performance issues through the use of an inert grinding medium.
- Subsequent test work focussed on finding a cheaper grinding medium that might make the bead mill viable for mineral processing.
- Such a high-cost and short-lived grinding medium would be uneconomic in an industry processing hundreds of tonnes of ore an hour.
- The IsaMills typically use an inert grinding medium ( such as ceramic balls, smelter slag or silica sand ) and avoid the problem of inhibiting flotation of the fine particles with iron deposits.
- While most grinding in the mineral industry is achieved using devices containing a steel grinding medium, the IsaMill uses inert grinding media such as silica sand, waste smelter slag or ceramic balls.
- MIM s development efforts focussed on finding a lining that could withstand the wear and on designing a separator that would retain the oversize grinding medium within the mill while allowing the fine ore slurry to exit.
- The traditional grinding medium consisted of silica-alumina-zirconium beads that, in those days, cost about US $ 25 per kilogram ( " kg " ) and lasted for only a few hundred hours.
- This work included using glass beads ( about US $ 4 / kg ) and screened river sand ( about US $ 0.10 / kg ) before it was found that the rounded beads produced by granulating reverberatory furnace slag from the Mount Isa copper smelter constituted an ideal grinding medium.
- MIM investigated various existing fine grinding technologies ( such as ball mills and tower mills ) but found them to be uneconomic in the MIM application and also that the high consumption rate of the steel grinding medium resulted in iron contamination of the mineral surfaces, making them less susceptible to flotation recovery.
- Design parameters include type of mill, milling container, milling speed, milling time, type, size, and size distribution of the grinding medium, ball-to-powder weight ratio, extent of filling the vial, milling atmosphere, process control agent, temperature of milling, and the reactivity of the species.
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