ZQS-X-1000型周期式磁选机在福建某高岭土矿的应用研究

Application study of ZQS-X-1000 periodic magnetic separator on a kaolin ore in fujian province

摘要:

针对现有磁选设备分选高岭土除铁效果不好、处理量小、容易堵塞的现状，开发了ZQS-X-1000新型磁选机，该机具有磁场强度高、磁场分布均匀，采用独特的组合磁介质，配合高压水、高压气进行卸矿的特性．工业试验结果表明，该机具有处理量大、生产效率高、生产指标良好及长期运行平稳的特点．应用该机处理福建某含Fe2O3为0.55%和烧成白度75.2的高岭土原料，在给矿时添加六偏磷酸钠0.4%、矿浆浓度17.5%、给矿量25 m3/h的条件下，经一次磁选可以取得产率84.15%，含Fe2O3品位0.29%，烧成白度88.7的优质高岭土产品．

Abstract:

There were some disadvantages found in the magnetic separator on processing kaolin, such as in efficiency on removing ferrous, lower capacity, easy to be plugged. In this paper, a novel type magnetic separator with high strength and uniformly distributed magnetic field，unique combined magnetic medium，high pressure water and gas for washing, named ZQS-X-1000 was developed. The industrial experiments showed that the novel separator has a good performance of large capacity, high production efficiency, high quality of products, long-term operation stability. A kaolin raw ore with 0.55% Fe2O3 and 75.2% calcination whiteness in Fujian province was magnetic separated by the novel equipment. Under the pulp conditions of 17.5% pulp density, 0.4% sodium hexameta phosphate concentration and 25 m3/h pulp feed capacity, high quality kaolin products with 0.29% Fe2O3 and 88.7% calcination whiteness was obtained through only one time separation.