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[[File:Pin Mixers.jpg|thumb|200px|right|Pin Mixers]] | |||
'''Pin Mixers''' are pin-type solids processor designed for applications requiring high energy input to materials for mixing or micro-pelletizing. It is a high speed, conditioning and micro-pelletizing device that converts dust into small agglomerates through the action of a high speed rotor shaft and pin assembly and the addition of liquids such as water, binders, oil or surfactants. | |||
==Applications== | |||
The Pin Mixer is ideally suited for applications requiring extreme micro-pelletizing, mixing-conditioning with small pellet size control and preparation of a feed mixture for further processing in a pelletizer. Materials agglomerated in the Pin Mixer include: carbon black, cement kiln dust, pigments, coal dust, pesticides, electric furnace baghouse dust, limestone fines, graphite, coke, petroleum coke fines, bauxite and silica fume. | |||
==Construction and Processes== | |||
The Pin Mixer features a cylindrical, stationary shell with a length-to-diameter ratio of between four and five. Inside the shell is a replaceable rubber liner and a shaft with radially-extending rows of pins on a helix pattern. There is a close tolerance between the tips of the pins and the inside of the mixer shell. | |||
Shaft rotational speed, and therefore tip speed, is high (several hundred RPM), which is higher than the speed of traditional paddle mixers, pugmills and Ampel conditioners. | |||
The material enters at one end of the cylinder and is whipped by the pins as it moves from the inlet, through the shell and to the bottom outlet. As a fine spray of liquid is added at the entry section and distributed throughout the powder, fine mixing and micro-agglomeration will occur. The end result is a wetted, agglomerated and densified micro-pellet. | |||
==Advantages== | |||
*Aseptic aeration | |||
*Emulsification | |||
*Continuous mixing | |||
*PLC standard in all aseptic systems | |||
*Operator-friendly, smooth and trouble-free operation | |||
*Pre-assembled and factory-tested | |||
==Video== | |||
<youtube>KaxYWZI13yQ</youtube> | |||