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to cement and concrete as mineral admixtures [11]. When super fine steel slag powder is mixed with concrete as an active admixture, concrete properties will be improved greatly so as to produce high..., steel slag concrete has lower strength at early age. Therefore, steel slag should be used to control hydration process so that concrete with high strength and good performance can be obtained. 4......
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(such as melting and fluidity properties) of the boron-rich slag at high temperature will affect the smelting separation result. Correspondingly, the smelting operation parameters of the pyrometallurgical...- bearing iron concentrate is the high extraction efficiency of boron (EEB) of the slag. The EEB of the boron-rich slag is closely related to its mineral phase composition and microstructure, which depend......
LATS refining ladle slag modifying with CaO-CaF2Hongming Wang1,2), Guirong Li1), Zhongming Ren3), Bo Li3), Xuejun Zhang3), and Guomin Shi3) 1) School of Materials Science and Engineering, Jiangsu...:To reduce the slag sticking onto the snorkel of the ladle during the ladle alloying treatment station (LATS) process, CaO-CaF2 (the mass ratio of CaO/CaF2......
PERFORMANCE OF PULVERIZED SLAG SUBSTITUTED CEMENTWAN Huiwen ZHANG Qiang FU Huangpu YU Changlin Wuhan University of Technology "Wuhan Iron and Steel Company摘 要:<正> The Portland cement is equivalently substituted by slag micropowders with various specific areas. The workability, activity and acid-corrosion resistance of the slag-substituted cements......
to the silicon phase and becomes volatile at high temperature, which makes it difficult to work for a prolonged period [13]. Fig.4 LB in slag systems at 1 823 K for different time 3.2.2 Refining... of molten oxide, thus they would not cause silicon pollution. As the oxygen content in slag phase is relatively high, Al and Mg are more inclined to enrich in slag phase because the affinity of slag......
转炉冶炼工艺过程中炉渣的岩相研究李建新1,郝旭东1,韩秀丽2,刘丽娜2,仇圣桃0,赵沛2(1.北京市钢铁研究总院连铸中心2.河北理工大学 资源与环境学院,河北唐山 063009)摘 要:不同转炉冶炼工艺对转炉渣的稳定性有较大影响,运用岩相检验的方法分析了不同转炉冶炼工艺和调整脱磷剂成分后转炉渣的岩相结构.通过比较常规工艺与新工艺的岩相结构,发现采用新工艺冶炼,岩相分布更加均匀,而且使用新型脱磷剂后高熔点相减少.转炉渣岩相分析结果为合理改进转炉冶炼工艺和改善转炉渣成分提供了科学依据.关键词:转炉炼钢......
Equilibrium between Slag and Molten Iron in the Direct Alloying of Steel with Nb2O5-Bearing Slag陈伟庆,周荣章,林宗彩摘 要:<正> Equilibrium between slag and molten iron at 1600℃ was investigated for the direct alloying of steel with Nb2O6-bearing slag. The activity of niobium oxide in the slag was measured. The αNb2O5 is in the range of 10-2-10-4. TheδNb2O5......
S. Both types of slag showed water reduction effect due to its high fineness. Neat BOF C paste showed flash set and acceleration in the initial setting time of blended cement especially at high slag...Properties of Steel Slag and Stainless Steel Slag as Cement Replacement Materials: A Comparative StudySALY Fathy1,GUO Liping1,2,3,MA Rui1,GU Chunping4,SUN Wei1,2,31. School of Material Science......
smelter slag of Balkhash copper plant (Kazakhstan) by ammonium chloride treatment [13]. In the present study, to avoid the using of high-temperature processes we focused on investigating the copper...J. Cent. South Univ. (2017) 24: 2799-2804 DOI: https://doi.org/10.1007/s11771-017-3694-3 Copper smelter slag treatment by ammonia solution:Leaching process optimization R. Nadirov1, L. Syzdykova2......
