磨矿过程中添加碳酸钠，可实现矿泥的选择性脱除。
The addition of sodium carbonate into the grinding process can realize the selective desliming.
介绍了两段闭路磨矿工艺技术路线、设备选择以及在云峰分公司磷酸装置配套湿法磨矿系统上的应用效果。
Process and facility selection of two stage closed circuit grinding and its application in phosphoric acid facility matching wet-process grinding system were introduced.
第三部分，以湿磨的磨矿介质为产品对象，讨论了耐磨蚀材料的选择原则。
The third part discusses the selection principle of wear-corrosion resistant materials as a referent of grinding ore media.
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