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working principle of ball mill,china ball mill for sale
Ball mill introduction
The ball mill is a key equipment for grinding materials, widely used in powder-making production line such as cement, silicate sand, new-type building material, refractory material, fertilizer, ore dressing of ferrous metal and non-ferrous metal, glass ceramics, etc. Ball mill can grind various ores and materials with dry type or wet type. There are two kinds of ball mills, grate type and overfall type due to different ways of discharging material.
The working principle of ball mill
The main body of the ball mill is a low-speed rotary cylinder mounted on two large bearings horizontally. The ball mill s rotary part is driven at reducing speed by motor through speed reducer and gearweheel or by low-speed synchronous motor through gearwheel. Inside the cylinder feed proper grinding medium-steel balls. The medium will be lifted to certain height under the action of centrifugal force and friction and drop or fall. The material to grind is fed to the cylinder in succession and crushed by grinding medium, then discharged through overflow and continual feeding force, and enter the next procedure.
How Ball Mill works Ball Mill is crucial equipment for grinding after materials are crushed. It is an efficient tool for grinding various materials into powder.
Ball Millis widely applied in cement industry, chemical industry, new building materials, fire-resistant materials, fertilizer, porcelain and glass industry etc. It has two ways of grinding: dry process and wet process.
Illustration of How Ball Mill works
This Ball Mill, a horizontal type and tubular running, has two warehouses. It runs along the outside gear. Materials spirally and evenly enter the first warehouse along the input hollow axis by input devices. In the warehouse, there is a ladder scale board or ripple scale board. Steel balls of different specifications are installed in the scale board. When the barrel body rotates, centrifugal force is produced. At the same time, the steel balls are carried to some height and then fall to grind and strike the material. After being grinded coarsely in the first warehouse, the material then enters into the second warehouse for regrinding. In the end, the powder is discharges by output material board.