论文部分内容阅读
在喀拉通克铜镍矿要分析的物料有原料铜镍特富矿石、鼓风炉熔炼所得的低冰镍、鼓风炉渣、转炉吹炼所产出的高冰镍、转炉渣.高冰镍是喀矿的最终产品,要准确分析.其它物料为控制分析,要求快速、及时地提供分析结果,以指导生产和进行配料.其中铜、镍、铁三元素都是要求及时地提供分析结果的.在控制分析的物料中,鼓风炉渣为终渣,铜、镍含量很低,约为0.1%,而铁的含量很高,约为50%;转炉渣需返回鼓风炉利用,铜、镍含量在0.X%～X.X%不等,铁含量在30%左右;低冰镍铜、镍在5%左右,铁在50%左右;原料特富矿铜、镍在4%左右,铁在50%左右.要想分析速度快,需选择合适的方法使其对含量变化较大的各种样品都能适用.为此我们制定了如下的分析方法,满足了生产的需要.称取一份试样分解后直接用原子吸收法测定铜和镍,对于含量低的鼓风炉渣及部分转炉渣,采用最灵敏线测定,对其它含量较高的样品采用次灵敏线测定.铁采用分取部分溶液用磺基水扬酸酸性光度法测定.鼓风炉渣铁含量高,而铜、镍含量低,需确定合适的试样量和分解后的试液总体积及测定铁的分取体积,照顾到铜、镍的测定和铁的测定.
The materials to be analyzed at the Kalatongk copper-nickel mine are raw material Cu-Ni-Te rich ore, low-iced nickel obtained from blast furnace blasting, blast furnace slag, high iced nickel and converter slag from converter blowing, and high ice nickel is the final product of Cass mining , To be accurately analyzed.Other materials for the control analysis, requires prompt and timely analysis of the results to guide the production and preparation of ingredients.Among them, copper, nickel, iron three elements are required to provide timely analysis of the results in the control of the analysis of the material , Blast furnace slag is the final slag, copper, nickel content is very low, about 0.1%, while the iron content is high, about 50%; converter slag to be returned to blast furnace use, copper, nickel content in the 0.X% ~ XX % Range, iron content is about 30%; low ice nickel copper, nickel is about 5%, iron is about 50%; raw material rich ore copper, nickel is about 4%, iron is about 50%. To analyze fast , We need to select the appropriate method to make a wide range of content of the various samples can be applied.To this end we have developed the following analytical methods to meet the production needs.Weigh a sample decomposition directly after the atomic absorption method Determination of copper and nickel, for the low content of blast furnace slag and some converter slag, the most sensitive Determination of the other high content of the sample using the second sensitive line determination of iron using part of the solution was determined by sulfosalicylic acid spectrophotometric determination of blast furnace slag iron content is high and copper, nickel content is low, to determine the appropriate test The sample volume and the total volume of the solution after the decomposition and determination of the volume of iron to take, taking into account the determination of copper and nickel and iron determination.