摘要
以王集磷矿选矿厂正—反浮选工业试验数据为依据，建立了反浮选各单元选别作业的数学模型．模型分析表明，Ｈ２ＳＯ４和Ｈ３ＰＯ４的用量对粗选、扫选（Ⅰ）作业的分选指标的影响存在交互效应，扫选（Ⅱ）作业的分选指标与Ｈ３ＰＯ４用量成线性关系．粗选作业适宜的药剂用量Ｈ２ＳＯ４为１．７０～１．７１ｋｇ／ｔ，Ｈ３ＰＯ４为３．５６～３．６８ｋｇ／ｔ；扫选（Ⅰ）作业适宜的药剂用量Ｈ２ＳＯ４为０．３１～０．７３ｋｇ／ｔ，Ｈ３ＰＯ４为０．３０～０．４３ｋｇ／ｔ；扫选（Ⅱ）作业中Ｈ３ＰＯ４的用量应控制在１．４０ｋｇ／ｔ左右．
Mathematical models for unit operations of the second stage flotation (reverse flotation ) in a twostage flotation circuit for phosphorite ores are established based on industrial test data obtained from Wangji Phosphorite Processing Plant,China. The models indicate that there is interaction of H 2SO 4 and H 3PO 4 on separating results of the roughing and the scavenging(Ⅰ), and there is a linear relationship between the results and H 3PO 4 consumption in the scavenging(Ⅱ). The suitable consumption of H 2SO 4 and H 3PO 4 is 1.70～ 1.71 kg/t and 3.56～3.68 kg/t respectively to the roughing , 0.31～0.73 kg/t and 0.30～0.43 kg/t respectively to the scavenging(Ⅰ), and that of H 3PO 4 is about 1.40 kg/t to the scavenging(Ⅱ).
出处
《武汉化工学院学报》
1999年第1期34-38,共5页
Journal of Wuhan Institute of Chemical Technology
关键词
磷块岩
浮选
分选指标
硫酸
磷酸
磷矿
选矿
phosphorite flotation
separating result
sulfuric acid
phosphoric acid
