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 Mills
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| Mills |
There are several types of mills used in industry, each designed for a specific application. Below are some of the main types of mills:
Hammer Mill:
Used to reduce the size of dry and semi-dry materials. Hammers hit materials, breaking them into smaller pieces.
Ball mill:
Widely used in industry to grind materials into fine particles. The materials are placed in a drum with steel balls, causing size reduction when the balls collide with the materials.
Bar Mill:
Similar to a ball mill, but uses long steel bars for grinding instead of balls. It is commonly used in the mining industry.
Roller Mill:
It has rollers that rotate around their own axis and also around a central axis. Used for grain milling and flour production.
Colloidal Mill:
Used to reduce the size of solid particles in suspension or emulsion. Commonly used in the food industry for the production of pastes and creams.
Disc Mill:
It consists of rotating discs that can be vertical or horizontal. Used for grinding various materials, including grains, pigments and chemicals.
Pin Mill:
Uses pins or needles to grind fine particles of materials. Widely used in the food, pharmaceutical and chemical industries.
Knife Mill:
Equipped with rotating knives for cutting and grinding materials. Used in various industries including plastics and recycling.
Impact Mill:
Generates impact between particles and a rotating rotor, resulting in size reduction. It is used for brittle materials.
Jet Mill:
Uses high-velocity air jets to grind materials into fine particles. Common in the powder materials industry.
Vibratory Mill:
Used for fine and ultrafine grinding of materials. Vibratory energy is transmitted to particles to reduce their size.
Cryogenic Mill:
Uses very low (cryogenic) temperatures to grind heat-sensitive materials. Common in the pharmaceutical and food industry.
The choice of mill type depends on the specific application, the type of material to be milled and the desired characteristics of the final product. Each type of mill has its own advantages and limitations. |
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