HANLIUHUAKUANGDEYINGSHI,YIBANYONGHUANGYAOBUSHOUJIJIANGLIUHUAKUANGFUCHU,RANHOUZAIJIAZHIFANGSUANLEIBUSHOUJIFUXUANYINGSHI,HAIKEZAIYINGSHIDEFUXUANZUOYEZHONG,JIARUSHAOLIANGLIUHUAKUANGWUYIZHIJILAIYIZHICANLIUDELIUHUAKUANGWU,YIBAOZHENGYINGSHIJINGKUANGDEZHILIANG。
YIBANJIANGYINGSHIYUZHONGJINGSHIHUNHEFUXUAN,RANHOUJINXINGFENLI,HUNHEFUXUANSHIYONGYOUSUANZUOBUSHOUJIDEDAOHUNHEJINGKUANG,HUNHEJINGKUANGFENLIKEZHENGFUXUANHUOFANFUXUANDEDAOYINGSHIJINGKUANG。
YONGZHIFANGSUANBUSHOUYINGSHI,SHUIBOLIYIZHISHIYING。SHUIBOLIYONGLIANGYAOKONGZHIDEDANG,SHAOLIANGDUIYINGSHIYOUHUOHUAZUOYONG,DANDUISHIYINGYIZHIZUOYONGBUGOU,GUOLIANGHUIYIZHIYINGSHI。YOUSHIWEILEZENGQIANGSHUIBOLIDUISHIYINGDEYIZHIZUOYONG,HAIHUITIANJIAMOUXIEDUOJIAJINSHULIZI,BUJINDUISHIYINGERQIEDUIFANGJIESHIYEYOUYIZHIZUOYONG。
河北某萤石矿矿石品位低,氧化程度大,萤石堪布粒度细,硬度较小,原有的生产工艺为一精再磨,七次精选,精矿品位为88%,回收率仅为75.56%,选矿指标较差,严重地影响了企业的生产指标和经济效益。因此,委托鑫海做技术改造,鑫海通过萤石选矿试验,将浮选工艺进行了部分改进,对抑制剂进行了调整,改进后的生产实践表明,萤石的品位和回收率均有了明显提高,具体指标对比如下:
改造前后对比 | 工艺 |
萤石精矿品位 /% |
萤石精矿回收率 /% |
改造前 | 一次粗选、粗精再磨、六次精选 | 88.52 | 75.56 |
改造后 | 扫选泡沫进入粗精矿,改进药剂制度,增加浮选槽 | 93.55 | 88.95 |
GAIZAOHOU,ZHENGGEYINGSHIKUANGFUXUANLIUCHENGZHIBIAODEDAOMINGXIANHAOZHUAN,GUSUANQIYENIANZENGJIAJINGJISHOURU320WANYUAN,YUJINIANZENGJIALIRUN150WANYUAN。
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