Talc is a kind of common silicate minerals , it is the most soft mineral we known and it is satiny, it is a 1 MOHS Hardness Scale , and it can replace the chalk to draw white marks and can be made marks by nail . The main function of talc are used for basic refractory and blust-furnace ironmaking solvent , producing calcium magnesium phosphate fertilizer and preparing magnesium sulfate , and producing ingredient of glass and ceramic .
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Powder process technology
The first stage: Chucks of talc were transported to raw material storage by special vehicle , then forklift or manpower send the material to jaw crusher for crush , until the talc is less than the max feed size of the grinding mill .
The second stage: The talc that crushed by crusher was elevated to storage hopper by elevator , when talc drop out from storage hopper , then it will be evenly given to main engine by feeder.
The third stage: In the powder process , qualified product will flow into collector through pipe after sieved by sieving system . After collecting , finish product will be discharged from powder pipe , unqualified product will fall in the main engine and regrinding.
The forth stage: The purified airflow flow into blower through afterwinds pipe which above the dust collector , the whole wind path is a circled system. the air flows between grinding chamber and blower is under the positive pressure, the rest work under the negative pressure. Besides, the chamber is also pretty clean.
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