矿产保护与利用2024，Vol.44Issue(3)：74-80,7.DOI:10.13779/j.cnki.issn1001-0076.2024.08.006
硫化—胺法浮选菱锌矿体系中两相和三相泡沫的性能研究
Two-phase and Three-phase Froth Performance in Sphalerite Flotation Using Sulphidizing-amination Method
摘要
Abstract
The sulphidizing-amination method is one of the main beneficiation methods for sphalerite ore,which has good indexes in industrial production,but there is a problem that the flotation foam is sticky and difficult to defoam.The performance of two-phase and three-phase foams in sphalerite flotation using sulphidizing-amination method,and the effects of sodium sulfide dosage,dodecylamine dosage,mineral content,mineral particle size,mineral type,etc.on foam stability were studied.The pulp viscosity of different mineral contents was investigated at last.The results show that in the sulphidizing-amination flotation of sphalerite,sodium sulfide can improve the stability of two-phase and three-phase foam.Mineral particles of different sizes have different effects on foam stability.Adding sphalerite and quartz particles with a particle size of-74+37 μm can reduce foam stability,while adding sphalerite and quartz particles with a particle size of-37 μm can improve foam stability.The-18 μm quartz particles have a particularly significant effect.When dodecylamine co-existed with micro-fine quartz,the flotation foam was particularly stable.The half-life of the three-phase foam after the addition of quartz particles is higher than that of sphalerite,because the viscosity of quartz pulp is higher than that of sphalerite,so the Marangoni effect of the foam film is enhanced,resulting in a slower drainage rate,a slower thinning rate of the foam film,and stronger foam stability.关键词
硫化—胺浮选法/十二胺/菱锌矿/硫化钠/石英/泡沫半衰期Key words
sulphidizing-amination flotation/DDA/sphalerite/sodium sulfide/quartz/half-life of froth分类
矿业与冶金引用本文复制引用
李超,罗溪梅,齐琳萍,宋振国,王云帆..硫化—胺法浮选菱锌矿体系中两相和三相泡沫的性能研究[J].矿产保护与利用,2024,44(3):74-80,7.基金项目
国家自然科学基金项目(52364029 （）
52264030) （）
矿物加工科学与技术国家重点实验室开放基金资助项目(BGRIMM-KJSKL-2023-10) （BGRIMM-KJSKL-2023-10）
云南省科技厅研究项目(202401AT070317 （）
202201BE070001-048) （）
