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Personne àcontacter Ms. Chelsie
East side of Zhengxin Road,Guodian Industrial Zone,Airport District, Zhengzhou, Henan
A ball mill, a type of grinder, is a cylindrical device used in
grinding (or mixing) materials like ores, chemicals, ceramic raw
materials and paints. Ball mills rotate around a horizontal axis,
partially filled with the material to be ground plus the grinding
medium. Different materials are used as media, including ceramic
balls, flint pebbles and stainless steel balls. An internal
cascading effect reduces the material to a fine powder. Industrial
ball mills can operate continuously, fed at one end and discharged
at the other end. Large to medium-sized ball mills are mechanically
rotated on their axis, but small ones normally consist of a
cylindrical capped container that sits on two drive shafts (pulleys
and belts are used to transmit rotary motion). A rock tumbler
functions on the same principle. Ball mills are also used in
pyrotechnics and the manufacture of black powder, but cannot be
used in the preparation of some pyrotechnic mixtures such as flash
powder because of their sensitivity to impact. High-quality ball
mills are potentially expensive and can grind mixture particles to
as small as 5 nm, enormously increasing surface area and reaction
rates. The grinding works on the principle of critical speed. The
critical speed can be understood as that speed after which the
steel balls (which are responsible for the grinding of particles)
start rotating along the direction of the cylindrical device,thus
causing no further grinding.
Ball mills are used extensively in the Mechanical alloying processin which they are not only used for grinding but for cold welding as well, with the purpose of producing alloys from powders.
The ball mill is a key piece of equipment for grinding crushed materials, and it is widely used in production lines for powders such as including cement, silicates, refractory material, fertilizer, glass ceramics, etc. as well as for ore dressing of both ferrous non-ferrous metals. The ball mill can grind various ores and other materials either wet or dry. There are two kinds of ball mill, grate type and overfall type due to different ways of discharging material. There are many types of grinding media suitable for use in a ball mill, each material having its own specific properties and advantages. Key properties of grinding media are size, density, hardness, and composition.
Zhengzhou Jintai Mineral Processing Equipments Co., Ltd is a professional&strong manufacturer,providing all kinds of beneficiation equipments with favorable prices and high quality.We are manufacturer so that we can also design the product according to your requirements.We expect your inquiries.
