福建冶金2025，Vol.54Issue(3)：15-18,4.
马坑矿业高品位铁精矿试验研究
Experimental Study on High-grade Iron Concentrate from Makeng Mining
王澜 1张水龙 1余祖芳1
作者信息
- 1. 福建马坑矿业股份有限公司,福建 龙岩 361000
- 折叠
摘要
Abstract
The iron ore in the Makeng Iron Mine is mainly magnetite.Selecting pre-concentrate as the research object for preparing high-grade iron concentrate.Pre-selected concentrate is passed through a concentration cyclone to obtain an overflow sample.The overflow sample is processed through a strong magnetic concentration classification stage,a weak magnetic 500 mesh classification stage,a second weak magnetic reverse flotation process.The reverse flotation process involves a coarse sweep,with 100 g/t of coarse collector dodecylamine and 50 g/t of inhibitor starch.The amount of sweeping agent used is halved to obtain a high-grade iron concentrate with a total iron grade of 71.30%and a SiO2 content of 1.08%.All tailings are combined to form a qualified iron concentrate with a grade of 65%.关键词
磁铁矿/弱磁选/反浮选/高品位/分级Key words
magnetite/low intensity magnetic separation/reverse flotation/high grade/classification引用本文复制引用
王澜,张水龙,余祖芳..马坑矿业高品位铁精矿试验研究[J].福建冶金,2025,54(3):15-18,4.
