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在南斯拉夫的伊巴尔河巴利叶瓦克地区已经勘探到一种大的含有软硼钙石和硬硼钙石的硼矿床。在实验室和半工业试验厂对该矿进行了选矿研究。原矿石含有两种尾矿 :一个尾矿的密度比硼矿物小 ,另一个密度比硼矿物大。提出了在第一段选别时 ,采用两密度三段动态重介质选矿工艺流程 ,第一段选别抛掉了较轻的和较重的尾矿 ,得到市场销路的混合硼精矿。第二段选别则可以产出主要含软硼钙石的精矿和含硬硼钙石的精矿
A large boron deposit containing croconite and hardonite has been explored in the Ballyvark area of the Ybar river in Yugoslavia. The mine was beneficiated in laboratories and semi-industrial pilot plants. Raw ore contains two types of tailings: one tailings is denser than boron and the other is denser than boron. Proposed in the first paragraph of the election, the use of two-density three-stage dynamic HM cleaning process, the first paragraph voted to throw away the lighter and heavier tailings, to obtain market sales of mixed boron concentrate. Separation of the second paragraph can be produced mainly containing coryneite concentrate and ore containing hard boron calcium stone concentrate