Ball Mill Trunnion Seal

As we know, ball mill and grinding mill are mainly as the equipment for making powder.Generally, a grinding mill or ball mill is used in all powder production lines that grinds large pieces of ore into fines for the next production process.For example, phosphate powder is needed in the production of phosphate products.A grinding mill or ball mill is used to grind the phosphate ore into powder.

This machine is a skeleton pattern ball mill with horizontal cylindrical turning gear, drive by outer gear and two hoppers.Materials shall be evenly charged through quill shaft in feeding device into the first bin, which has step or waved lining with steel balls in different specifications.Steel balls are taken to a certain height by centrifugal force from drum rotation and then fall.Thus it will give a heavy blow to materials, playing a role of grinding.Materials after crushed in the first bin shall enter bin across single-layer diaphragm into the second, which is provided with flat lining with steel balls, to go through further grinding.Powder shall be discharged from discharging grating, ending the milling process.

Ball mill can grind iron ore from 25mm to 150-250 mesh, and with high grinding efficiency, it reduces more load and grinding cost.

Ftm machinery, as the ceramic ball mill supplier, produced 60t, 40t, 10t, and 0.1-1t ceramic ball mill according to different productivities.

In addition to the product quality and performance, investors are more concerned about the cost of ball mill and grinding machine.

Mills with unloading through the grid have a lifting device and it forced to unload the milled product.Therefore, in this type of mills the slurry level may be lower than the unloading trunnion level.Mills with unloading through the grid sometimes called mills with forced unloading or mills with a low level of pulp.This type of ball mill has a grid with openings for unloading crushed material and located in the unloading end of the drum.The grid has radial rib-lifters on side facing to the unloading end cover.Rib-lifters divide the space between the grid and the end cover on a sectorial chambers opened in the trunnion.By rotating the drum ribs act as elevators wheel and raise the pulp to the level of unloading trunnion.This device allows to maintain a low pulp level in the mill and reduces the spent time of the material in it due to the decrease of volume of the pulp.

The advantages of ball mill there are large unit capacity, achievement degree of fineness corresponding to a specific surface of 5000 cm2 / g, simple construction, high reliability and well designed scientific justification.

10.5 ft x 12 ft allis chalmers ball mill, no liners, 800hp motor, gears in excellent condition.Sold.

The proportion of different sizes of grinding media includes the size and quantity of media.Normally, the ball mill grinding media are shaped into balls with appropriate materials, of which the most used material is steel.

The lab ball mill, or attritor, is designed for the development of chocolate, compound coatings, and other industrial particle size reduction is a stirred ball mill with a variable speed drive and a self-contained, temperature controlled water system that both heats and cools the jacketed process vessel.

3.Due consideration is given to large equipment when selecting a limestone wet ball mill model, it is recommended that you properly consider large limestone wet ball mill models for three main reasons: first, large-scale equipment is the trend of recent industrial development; second, large-scale limestone wet ball mill equipment.The equipment is light in weight, occupies less land, has fewer production systems, fewer operators and auxiliary systems, and the corresponding investment and production costs are lower.Third, the large-scale limestone wet ball mill has good continuous operation and the unit production efficiency is smaller.The model of the limestone wet ball mill is higher.

Iron ore re-election process: hematite ore -> coarse crushing -> fine crushed -> grinding -> screening -> washing roughing -> shaker selection of iron ore -> powder purification (this process uses ore after the election coarse crushing and fine crushing into the energy saving ball mill grinding and washing roughing through screening, and then by shaking table or spiral chute purification, generally concentrate grade can reach more than 60%.The iron ore beneficiation plant cost is put low, quick, simple, low-tech, is the best choice for small selection field, of course, have to decide whether to adopt the re-election process according to mineral properties).


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