Zenith XZM Ultrafine Mill in INDIA

Case Study
A mining company in India intends to produce calcium carbonate powder with fineness of 5-10 micron; Required capacity is 1.0 ton per hour. They had a Raymond mill which can not meet their desired fineness. The feeding size of the raw stone is 12"-14". They have a primary 16"×10" jaw crusher. Based on customer’s situation, we recommended full set of XZM221 Ultrafine mill for their requirement. The mill was installed in 2009 and is running perfectly in India now.

Production Process
Raw material of 12"-14" size is primarily crushed by the client’s jaw crusher down to 2" and then enters our hammer crusher PC400×300, after secondary crushing, it will be less than 0.4", and discharged to bucket elevator. The elevator sends the material to storage hopper, there’s a vibrating feeder under the hopper, the feeder feeds material to main unit of XZM221 mill evenly and continuously. When the material being ground in the mill, the blower blows the powder to classifier, the classifier impeller is rotating at adjustable speed which is controlled from control cabinet, as per client’s requirement, powder less than 10 micron will be separated by classifier, and bigger powder falls down, being reground over and over again. 10micron and less than 10micron powder then go to the cyclone collector with the air from blower and be collected in the cyclone collector. Powder will be discharged from the discharge valve to become the final products. The bag filter will clean the outgoing air to protect the environment.


 

Granularity Distribution Chart From Client:


 

 

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