CHITIEKUANGSHIRUOCIXINGTIEKUANGZIYUANZHONGZHANBIJIAODADEKUANGWUZIYUAN,ZHUYAODETIEKUANGWUYOUCHITIEKUANG、JIAXIANGTIEKUANG、JINGTIEKUANGHESHAOLIANGLINGTIEKUANG、HETIEKUANGDENG。ZAICHITIEKUANGXUANKUANGFANGFAZHONG,FUXUANSHICHANGJIANDEXUANKUANGFANGFAZHIYI,XIANGJIAOQITAXUANKUANGFANGFA,FUXUANNENGGOUYOUXIAODECONGXILIWULIAOZHONGTIQUCHUYOUZHIDETIEKUANGSHI,CONGERWEIGANGTIEDESHENGCHANTIGONGLEGAOZHILIANGDEYUANCAILIAO。
CHITIEKUANGFUXUANFAZHUYAOYIKAOKUANGWUBIAOMIANDEXINGZHICHAYI,ZAIFUXUANJIZHONGTIANJIAGEZHONGYAOJI,TONGGUOJIAOBAN、CHONGQICHANSHENGDALIANGDEMISANQIPAO,CHENGXUANFUZHUANGTAIDEKUANGLIZHANFUZAIPAOMOSHANG,JIEZHUPAOMODEFULI,SHANGFUZHIYEMIANXINGCHENGPAOMOSHALONGTIYU(JINGKUANG),ERWEIFUKUANGWUZELIUZAIKUANGJIANGNEI(WEIKUANG)。
常见的赤铁矿浮选法主要有赤铁矿浮选法和赤铁矿联合浮选法。
赤铁矿浮选法是将矿浆pH调整在9~11的范围内,用脂肪酸类阴离子充当捕收剂,碳酸钠充当调整剂,浮选赤铁矿石英岩类矿石中的赤铁矿物。常用的捕收剂有大豆油脂肪酸硫酸化皂、氧化石蜡皂、粗塔尔油、三线碱渣、氯化酸、氧化煤油、磺酸钠、玉米粉等。浮选赤铁矿方法主要是正浮选法、反浮选法及正、反浮选法。
CHITIEKUANGZHENGFUXUANFASHILIYONGYINLIZIBUSHOUJI,CONGYUANKUANGZHONGFUCHUTIEKUANGWU,JIANGMAISHIKUANGWULIUZAIFUXUANCAODEKUANGJIANGNEI,WUXUTUONIJIKEZAIJIAOCULIDUTIAOJIANXIAPAOWEI。CHANGYONGBUSHOUJIWEIZHIFANGSUANLEIHUOTINGJILIUSUANZHIJISHIYOUHUANGSUANYANDENG。
GAIFUXUANFAYONGYAOJIANDAN,JIAGONGCHENGBENDI,DUIYUCHULIDANYIDECHITIEKUANGSHIYOUHENDADEYOUSHI。DANSHIXUYAODUOCIJINGXUANHOUCAINENGDEDAOHEGEDECHITIEJINGKUANG,ERQIEPAOMOYIFANIAN,SHISHALONGTIYUBUYINONGSUOGUOLV。LINGWAI,BUSHOUJIXUANZEDEJUXIANXINGJIAODA,TIEJINGKUANGPINWEINANYITIGAODAO65%YISHANG,JIEHETIEKUANGBENSHENXINGZHIDEXIANZHI,SHIDEZHENGFUXUANYINGYONGJIAOSHAO。
CHITIEKUANGFANFUXUANSHILIYONGYINLIZIHUOYANGLIZIBUSHOUJI,CONGYUANKUANGZHONGFUCHUMAISHIKUANGWU,JIANGTIEKUANGWULIUZAIFUXUANCAONEI。
阴离子捕收剂:主要是钙离子活化后用脂肪酸类捕收剂进行反浮选,用氢氧化钠或氢氧化钠与碳酸钠混用,将ph调整到11以上,用淀粉、磺化木素和糊精等抑制铁矿物,实现反浮选。此法适用于品位较高,脉石较易浮的铁矿石的浮选。
阳离子捕收剂:主要是用碳酸钠将矿浆pH调整到8~9时,用淀粉、糊精、单宁等抑制铁矿物质,用胺类捕收剂浮选石英脉石,捕收剂主选其醚胺,其次选脂肪胺。
YANGLIZIBUSHOUJIFANFUXUANKEYIZAICUMODEQINGKUANGXIAJINXINGFUXUAN,ZHIYAOKUANGJIANGDADAODANTIJIELI,ANLEIBUSHOUJIBIANNENGHENHAODEJIANGDANTISHIYINGFUXUANCHULAI,JIAOSHIYUGAOPINWEI、CHENGFENFUZADETIEKUANGSHIFUXUAN。
CHITIEKUANGZHENG-FANFUXUANSHIJIANGKUANGJIANGXIANJINXINGZHENGFUXUAN,GUACHUCHITIEKUANGJINGKUANGPAOMOZAIJIZHILINGYIFUXUANJIJINXINGFANFUXUAN,ZUIZHONGCHITIEKUANGJINGKUANGFUJIZAIFANFUXUANDEFUXUANCAOZHONG。CHANGYONGBUSHOUJIWEISHIERAN。
GAIZHONGFUXUANGONGYIXUANBIECHITIEKUANG,NENGDAFUDUTIGAOCHITIEKUANGKUANGSHIDEFUXUANZHIBIAO。DANFANGFAJIAOFANSUO,YAOJISHIYONGLIANGJIAODA。
CIXUAN-FANFUXUANFASHIXIANDUICHITIEKUANGWUJINXINGCIXUAN,XUANBIECHUCHITIEKUANG,QIYUKUANGWULIYONGSHIERANYANGLIZICHONGDANGBUSHOUJI,ZAIZHONGXINGKUANGJIANG(KUANGJIANGSUANJIANDUWEI7)ZHONGJINXINGFANFUXUAN,NENGYOUXIAOTIGAOTIEJINGKUANGDEZHILIANG。
XIANGGUANSHUJUXIANSHI,DANGSHIERANYONGLIANGZAI120~180g/tFANWEISHI,GEXIANGXUANKUANGZHIBIAOLIANGHAO,TIEJINGKUANGPINWEIKEDADAO70%ZUOYOU,HUISHOULVKEDADAO75%YISHANG。
QIANGCIXUAN-FUXUANFASHIJIANGCHITIEKUANGCUMOHOU,JINGGUOGAOQIANGDUCIXUAN,JIANGKUANGSHIZHONGDECULIDANTISHIYINGHEYINIHUADELVNISHIDENGMAISHIKUANGWUXUANCHU(HEGEDEWEIKUANG),RANHOUJINXINGXIMOHEFUXUANZUOYE。
YISHANGSHICHANGJIANDECHITIEKUANGFUXUANFANGFA,DUIYUCHITIEKUANGDEXUANBIE,BUJINYOUFUXUANFA,HAIYOUZHONGXUANFA、CIXUANFAJILIANHEXUANKUANGFADENG,ZHIYUXUANZENAZHONGXUANKUANGFANGFA,XIAOBIANJIANYIXIANJINXINGXUANKUANGSHIYAN,TONGGUOSHIYANJIEGUOZHIDINGSHIHEZIJIDEGONGYILIUCHENG,QIEJIBUKEHULUANTAOYONG。
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