NO. 369, Road S209, Huanxiu, Qingdao City, China
The pin mill also categorized as a disc mill is a kind of milling equipment that can break up cellular materials selectively without damaging the starch granules. It consists of two horizontal steel plates with vertical projections arranged in concentric circles on opposing faces and becomes more closely spaced towards the periphery.
According to different materials and application industries, the production capacity and particle size range will be different.
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Pin mill work by similar principle as hammer mills (impacts and shearing) but with typically faster tip speed rotor-stator configuration of intermeshing pins which impact the particles as solids are directed through the intermesh pins. The mill product leaves by centrifugal forces to the periphery and is then collected or further processed. This method of milling is most likely to produce materials in the micronized regime (as less than 40 micrometres) and with uniform product size. Cooling of the rotating disks is a useful way of removing heat from the mill.
The materials are uniformly fed into the grinding chamber by the feeding system, and are strongly impacted by the high-speed rotating grinding movable disk. At the same time, they are subjected to various comprehensive forces such as friction, shearing, and collision between the static disk and the gear ring, so that the materials are crushed. According to the different properties of the materials, the grinding movable disk and the static disk can be combined with different structures to meet the crushing needs of different materials.
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EPIC Powder Machinery offers one different types of Pin Mills to choose from. See the table below to compare their basic specifications and system requirements.
|coarse powder||Fineness (mesh)||20 - 200||20 - 200||20 - 200||20 - 200||20 - 200|
|Speed (m/s)||75 - 85||75 - 85||75 - 85||75 - 85||75 - 85|
|Fine powder||Fineness (mesh)||60 - 300||60 - 300||60 - 300||60 - 300||60 - 300|
|Speed (m/s)||100 - 120||100 - 120||100 - 120||100 - 120||100 - 120|
|Superfine type||Fineness (mesh)||100 - 2500||100 - 2500||100 - 2500||100 - 2500||100 - 2500|
|Speed (m/s)||200 - 240||200 - 240||-||200 - 240||200 - 240|
|Power (kw)||11 x 2||30 x 2||-||55 x 2||90 x 2|
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