Vertical mill SMD series
with rodsfor ceramicultrafine

vertical mill
vertical mill
vertical mill
vertical mill
vertical mill
vertical mill
vertical mill
vertical mill
vertical mill
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Characteristics

Technology
with rods
Orientation
vertical
Product application
for ceramic
Other characteristics
ultrafine

Description

The feed slurry enters through a feed spout in the top cover which directs the feed into the bottom of the vortex (bottom of the mill) without any inlet head. Grinding media is added either by the automatic Media Addition System through one of the unused feed ports, or manually through the media feed chute. Final product leaves SMD through the media retention screens, situated around the top of the body and is collected in an external launder and is then pumped, or flows under gravity, to the next stage in the process. In operating SMD, there is no set combination of parameters, because the different parameters have influence on each other. Experience and practice usually establish optimum operating conditions with the lab testing indicating the initial set points. The particle size distribution produced is governed primarily by the throughput and the amount of media and multiple mill arrangement. Primary mill control is by media addition to maintain the required power draw to achieve the desired product. Multiple SMDs can be arranged in parallel or series depending on the circuit requirements to affect the particle size distribution. SMD Operational Control The effective operation of the SMD requires the following parameters to be accurately and constantly monitored. Feed Flow-Rate This parameter is used in conjunction with the feed density and motor power to establish the grinding rate in kWh/mt. Flow rate should be as steady as possible. If the whole stream is feeding direct to the mill, surge tanks should be considered. Feeding SMD from a thickener or scalping cyclone regulates the flow very well and generates a suitable feed density.

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