02.数理统计试验法在铁矿反浮选药剂制度优化中的应用*

 马永光，曹永丹，曹钊

(内蒙古科技大学矿业工程学院，内蒙古包头014010)

关键词:铁矿反浮选;药剂制度;数理统计方法;选矿效率

中图分类号:TD951 文献标识码:A

摘要:研究了数理统计试验方法在铁矿反浮选药剂制度优化过程中的应用. 通过正交试验结果表明:当捕收剂取700 g /t，活化剂取500 g /t，抑制剂取1 800 g /t 时，选矿效率达到最大值40%. 捕收剂和活化剂交互作用(AB)、捕收剂(A)、抑制剂(C)及活化剂(B)的t 检验值分别为8，5，2，0，所以其影响显著性从大到小依次为AB ＞ A ＞ C ＞B.

Application of mathematical statistics method to the optimizationof iron ore reverse flotation reagents

MA Yong-guang， CAO Yong-dan ， CAO Zhao

(Mining Engineering School ，Inner Mongolia University of Science and Technology，Baotou 014010，China)

Key words:Iron ore reverse flotation; reagent system; mathematical statistics method; flotation efficiency

Abstract:The optimization of the iron ore reverse flotation reagents were systematically studied by using orthogonal experimental method．

The result showed that the maximum separation efficiency (40%) can be achieved when the dosages of collector，activator and inhabitor were 700，500 and 1 800 g /t，respectively． The result of significance test showed that the t-test value of interaction effect (AB)，collector(A)，inhabitor(C) and activator(B) were 8，5，2，0，respectively． Therefore，the impact strength turned out to be AB ＞ A ＞ C ＞ B．