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Liaoning Magnesite Company李少村,于涛摘 要:<正> Liaoning Magnesite Company is a ma-jor company producing and marketing vari-ous kinds of magnesia-based refractoriesand is affiliated directly to the Ministry ofMetallurgical Industry of China.The company was founded in April,1980 by a merging of the original DashiqiaoMagnesite Mine,Haicheng Magnesite Mineof......
EFFECT OF SODIUM OLEATE ON FLOTATION OF MAGNESITE张志京,毛钜凡摘 要:<正> Laboratory studies were made on the floatabil-ity of magnesite and dolomite ivith sodium oleate asthe collector.The adsorption mechanism of sodiumoleate on the surface of minerals was examined.The results show that the ion-molecule associationpolymer of oleate in the pulp is a main......
Research on new beneficiation process of low-grade magnesite using vertical roller millChuang Li1,2,3,Chuan-yao Sun2,Yu-lian Wang2,3,Ya-feng Fu1,4,Wan-zhong Yin1,41. School of Resources and Civil...:We investigated whether the vertical roller mill can be efficiently used in the beneficiation of low-grade magnesite and whether it can improve upon......
球团添加菱镁石熔剂对焙烧工艺制度的影响周明顺1,翟立委1,刘万山1,尚策2,任伟1(1.辽宁省鞍山市鞍钢股份有限公司技术中心2.鞍钢股份公司炼铁总厂,辽宁鞍山 114001)摘 要:为研究球团添加菱镁石熔剂对焙烧工艺制度的影响,在实验室条件下,将菱镁石熔剂添加到普通酸性球团中,利用傅立叶导热微分方程推导了球体不稳定导热微分方程,采用有限差分求解方法解析了菱镁石熔剂对球团传热过程的影响.分析结果表明:在相同焙烧条件下,普通酸性球团完成焙烧的时间为8.35 min,添加菱镁石熔剂的球团为9.13 min.建议在生产......
96.52%,可见两种矿物的纯度符合单矿物试验要求. 1.2 试验药剂 试验中所用盐酸和NaOH均为化学分析纯. 图1 菱镁矿和白云石单矿物的XRD谱 Fig. 1 XRD patterns of pure magnesite(a) and dolomite(b) 1.3 试验方法 1.3.1 单矿物酸浸试验 菱镁矿和白云石单矿物取45...石,菱镁矿在水中的溶解组分对数图 Fig. 6 Dissolved components of dolomite(a) and magnesite(b) 2.3.2 pH值对矿石浸出率的影响 根据文献[14],菱镁矿和白云石在水中的溶解度分别如式(1)和(2).  ......
; Separability of calcium from calcining magnesite by flotation and its mechanism YANG Zhi-chao1, FENG Ya-li1, LI Hao-ran2, LIU Xin-wei1, CAI Zhen-lei1 (1. School of Civil and Environment Engineering, University of Science and Technology Beijing, Beijing 100083, China; 2. Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China) Abstract: The rough magnesite......
添加MgO对高炉喷煤煤粉燃烧率的影响郭宪臻1,2,魏国1,周永平2,马政峰0,丁智敏1,沈峰满2(1.辽宁省沈阳市东北大学材料与冶金学院2.河南省安阳市安阳钢铁集团公司炼铁厂)摘 要:提出通过风口喷煤向高炉中加入含MgO物料,以替代烧结料中添加MgO的传统方法.通过试验考察了添加轻烧菱镁石对煤粉燃烧率的影响.结果表明:添加MgO有助于提高煤粉燃烧率,进一步富氧则助燃效果更明显.在安钢160kg/t喷煤比的条件下,适宜的轻烧菱镁石添加量为3%~4%.关键词:高炉; 喷煤; 富氧; 燃烧率; 轻烧菱镁......
X射线荧光光谱法测定镁砂,镁石及菱镁矿中主次成分张鹏1,曲月华2,王一凌2(1.辽宁省鞍山市鞍钢股份有限公司质检中心2.鞍钢股份有限公司技术中心,辽宁鞍山 114001)摘 要:以标准物质作为参照物,采用熔融法制样,建立了测定镁砂及其矿物原料(镁石,菱镁矿)中SiO2,Al2O3,CaO,MgO,Fe2O3,MnO,P2O5,TiO2含量的X射线荧光光谱法.讨论了熔融制样采用的熔剂体系,样品与熔剂的稀释比例,融熔制样的温度和时间对制样精度及测量准确度的影响.探讨了镁石,菱镁矿等碳酸盐样品烧损量对测定结果的影响和......
; 文章编号:1672-7207(2019)01-0009-06 Experimental study on purification of low grade magnesite by triboelectrostatic beneficiation ZHAO Xiaolu, WANG Haifeng, LI Yao... magnesite and reduce the purification cost of magnesite, the low grade magnesite was sorted and purified by triboelectric beneficiation. After the basic analysis of low-grade magnesite with X-ray......
and regulators on separation of quartz from magnesite WANG Jin-liang, SUN Ti-chang (School of Civil and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China) Abstract: The loss of fine magnesite to the tailing in the process of separating quartz from magnesite by reverse flotation with the amine as collectors was investigated. The effects of some factors......