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矿山环保型充填工艺的应用刘志山1,郑延东2(1.河北省石家庄市河北中金黄金有限公司2.黑龙江金铭能源投资有限公司)摘 要:介绍了矿山尾矿对于环境的危害以及改善矿山环境保护的必要性,评述了目前尾矿综合利用和尾矿胶结充填工艺的现状,叙述了高水全尾胶固充填材料与充填工艺的研究结果和使用情况,并分析了该工艺目前在岩金矿山应用存在问题和今后研究方向.关键词:尾矿充填； 高水胶固材料； 充填工艺； 研究方向......
Effect of Steel Slag and Granulated Blast-furnace Slag on the Mechanical Strength and Pore Structure of Cement Composites徐刚1,HE Xingyang2,何亚伯11. School of Civil Engineering, Wuhan University2... is an effective approach to develop low-carbon construction materials. This paper examines how two materials, steel slag(ST) and granulated blast-furnace slag(SL) impact the mechanical performance and pore......
of Science and Technology Beijing摘 要:Glass-ceramics have been prepared by using stainless steel slag, fly ash and coal fly ash that were figobtained from... network and the increase in crystallization activation energy from 336.0 to 360.7 kJ·mol-1. The results demonstrate that the production of the glass-ceramics from industrial steel slag, fly ash and coal......
Influence of adding various rare earths on microstructures and corrosion resistance of chromizing coatings prepared via pack cementation on P110 steel林乃明1,谢发勤1,钟涛1,吴向清1,田伟1,21. School of Aeronautics... chromizing coatings were formed onto its surface with/without addition of rare earths via pack cementation process.The surface morphologies and microstructures of the chromizing coatings were observed......
Influence of process parameters on thickness and wear resistance of rare earth modified chromium coatings on P110 steel synthesized by pack cementation林乃明1,谢发勤1,吴向清1,田伟1,21. School of Aeronautics, Northwestern Polytechnical University2. Tubular Goods Research Institute, China National Petroleum Corporation摘 要:The pack cementation was employed to produce......
Influence of adding various rare earths on microstructures and corrosion resistance of chromizing coatings prepared via pack cementation on P110 steel林乃明1,谢发勤1,钟涛1,吴向清1,田伟1,21. School of Aeronautics... chromizing coatings were formed onto its surface with/without addition of rare earths via pack cementation process.The surface morphologies and microstructures of the chromizing coatings were observed......
Influence of process parameters on thickness and wear resistance of rare earth modified chromium coatings on P110 steel synthesized by pack cementation林乃明1,谢发勤1,吴向清1,田伟1,21. School of Aeronautics, Northwestern Polytechnical University2. Tubular Goods Research Institute, China National Petroleum Corporation摘 要:The pack cementation was employed to produce......
Computer recognition of slag property diagrams in ternary systemsJinxiong Lu, Li Wang, Jiongming Zhang, and Xinhua WangMetallurgical and Ecological Engineering School, University of Science and Technology Beijing, Beijing, 100083, China摘 要:<正> In order to take data information from the slag property diagram in a ternary system automatically......
SLAG CEMENT REINFORCED BY THE COMBINATION DOPING OF LIMESTONE AND ANHYDRITE杨淑珍,宋汉唐摘 要:<正>The hydration performances of slag cement mixed by limestone and anhydritehave been studied. The phase compositions andmicrostructures of the hydrates were determinedand analysed by XRD and SEM. It is discoveredthat when slag cement is mixed with limestoneand......
冷却方式对钢渣中f-CaO显微形貌及含量的影响张玉柱1,雷云波1,李俊国1,邢宏伟1,韩志杰2,龙跃1(1.河北省唐山市河北联合大学冶金与能源学院2.河北钢铁股份有限公司唐山分公司,河北唐山 063016)摘 要:采用扫描电子显微镜和化学分析方法对三种不同方式处理的钢渣中f-CaO的显微形貌及含量进行分析研究,试验结果表明,钢渣中弥散型f-CaO主要形成于C2S和C3S初晶,RO相形成和C3S分解等过程,其数量多,分布广,粒径较小;缓冷渣中氧化钙的典型显微形貌为灰色圆粒状,薄膜状,细小长条状;气淬渣中氧化钙的典......
