
Chongqing blast furnace slag

Exploiting the Molten Slag to Decarbonize Iron and
2022年11月12日 To address this issue, centrifugal granulationassisted thermal energy recovery (CGATER) is proposed and is regarded as the leading slag treatment technology The CGATER provides a viable alternative to exploiting Molten blast furnace (BF) slag is discharged at high temperature during the ironmaking process, and contains a high content of thermal energy Traditional water quenching methods fail to Centrifugal Granulation of Molten BF Slag in Film Formation Mode 2017年3月23日 The structure of a quenched blast furnace slag containing 5 mass% TiO 2 was investigated via molecular dynamics simulation and Fourier transform infrared spectroscopy Structure evolution of blast furnace slag with high Al2O3 Content 2022年8月18日 Based on experimental research and practical requirements, a revolutionary technical route for blast furnace smelting of highalumina iron ore is proposed The book presents the scientific basis and offers theoretical High Temperature Physicochemical Properties of High

高炉熔渣粒化工艺试验及其数值仿真研究分析
摘要: 重点介绍了干式粒化工艺中的离心粒化工艺和气淬粒化工艺,由于高炉熔渣的粒化破碎是高温瞬态过程,只通过试验的手段难以监测,因此从试验和数值仿真两方面研究了干式粒化工艺的发展和应用现状。 通过对两种工艺的总结和比 2014年10月23日 The crystallisation behaviour of molten blast furnace slag was observed in situ using the single hot thermocouple technique Isothermal and nonisothermal experiments were Determination of optimum blast furnace slag cooling rate for slag 2012年3月17日 Predicting thermodynamic properties in TiAl binary system by FactSage,”Formation of Ti(C,N) in Blast Furnace Slag Bearing High TiO2introduction to the sever defects of blast furnace process and focuses on elucidating the effect of TiO 2 on the thermophysicalchemical properties of blast furnace slag including viscosity, ThermoPhysicalChemical Properties of Blast Furnace Slag

Effect of composition on the crystallisation behaviour of blast
2016年10月19日 The crystallisation behaviour of molten BF slag has been studied by in situ observation with the single hot thermocouple technique The isothermal and nonisothermal Centrifugal granulationassisted thermal energy recovery (CGATER) remains the leading technology for the iron and steel industry to enable the lowcarbon treatment of high steel research international Wiley Online LibraryMetals 2019, 9, 395 3 of 10 A muffle furnace (Teenpu CO LTD, Jiangyin, China) was used to prepare experimental slags with different Ti(C,N) contents The experimental schematic diagram is shown of HighTitaniumType Blast Furnace Slag ResearchGate2023年6月14日 Hightemperature molten blast furnace (BF) slag (~ 1500 ℃) is one of the major byproducts in the iron steel industry (ISI) []It is produced along with the pig iron with a yield rate of ~ 03ton blast furnace slag/ton pig iron []According to World Steel Association [], the global production of pig iron reached about 132 billion tons in 2020 with approximately ~ 400 ANNBased Model to Predict the Viscosity of Molten Blast Furnace Slag

Blast Furnace Ironmaking Process with SuperHigh TiO2 in the Slag
2019年12月26日 To increase the utilization fraction of vanadium titanomagnetite in the blast furnace burden to > 80 pct, a new slag zone with high MgO was found The effect of the TiO2 content and MgO/CaO mass ratio on the viscosity and liquidus temperature of the high TiO2bearing blast furnace slag was investigated in the present work The results indicated that at a Effect of Cr 2O 3 on the crystallization, structure, and properties of Tibearing blast furnace slagbased glass ceramics Mengjiao Jiaoa, Hangmi Wu a, Zhuoyang Li , Feifei Laia and Jiangling Lia,b* aCollege of Materials Science and Engineering, Chongqing University, Chongqing, PR China; b Key Laboratory Vanadium Titanium Metallurgical and New Materials, Chongqing Effect of Cr2O3 on the crystallization, structure, and properties of 2014年10月23日 Blast furnace slag is the main byproduct of the ironmaking process and is a mixture of various oxides,1 CaO (30–45%), SiO2 (28–38%), Al2O3 (8–24%), and MgO Chongqing, China Correspondence lvxuewei@163, J Zhang School of Materials Science and EngineeringChongqing University, Determination of optimum blast furnace slag cooling rate for slag 2023年9月18日 Tibearing blast furnace slag is a typical silicate material, College of Materials Science and Engineering, Chongqing University, Chongqing, PR China National Key Laboratory of Advanced Casting Technologies, Chongqing University, Chongqing, PR China CorrespondenceInternational Journal of Applied Ceramic Technology

Waste Heat Recovery from Blast Furnace Slag by Chemical
2012年7月31日 Blast furnace (BF) slag, which is the main byproduct in the ironmaking process, contains large amounts of sensible heat To recover the heat, a new waste heatrecovery system—granulating molten Aiming at the process of smelting ultrahigh (>80%) or even full vanadium titanomagnetite in blast furnace, we are conducting a series of works on physics character of high TiO2 bearing blast furnace slag (BFS) for slag optimization This work discussed the density and surface tension of high TiO2 bearing BFS using the Archimedean principle and the maximum bubble pressure Blast furnace ironmaking process with super high TiO2 in the slag 2016年4月1日 A combined process of carbothermal reduction in vacuum and acid leaching is proposed to produce TiC from titanium bearing blast furnace (BF) slag from Pan Steel in Panzhihua city in China Thermodynamics calculation shows that TiC can be obtained in the appropriate temperature and pressure range Moreover, the results of the experiment indicate Preparation of TiC by carbothermal reduction in vacuum and acid 2015年5月1日 In this paper, blast furnace slag was investigated as a source of the basic SiAl ingredient of geopolymer On the basis of compressive strength, the effects of grinding time on the activity of Preparation and properties of geopolymer from blast furnace slag

Preparation and properties of the glassceramics from low Ti
Tibearing blast furnace slag is a typical silicate material, which can be an important component for the preparation of silicatebased glassceramics Quartzbased waste glass is commonly used as an additive to adjust the basicity of slagbased glassceramics In this study, the quartzbased waste glasses were added to the Tibearing blast furnace slag to prepare the mixed solid 2020年1月17日 Slagfoaming phenomenon originating from reaction of titaniumbearing blast furnace slag: effects of TiO 2 content and basicity January 2020 Canadian Metallurgical Quarterly 59(2):18(PDF) Slagfoaming phenomenon originating from 2012年7月31日 1—School of Materials Science and Engineering, Chongqing University, Chongqing , China 2—email: lvxuewei@163 Blast furnace (BF) slag, which is the main byproduct in the ironmaking process, contains large amounts of sensible heat To recover the heat, a new waste heatrecovery system—granulating molten BF slag by rotary Waste Heat Recovery from Blast Furnace Slag by Chemical2015年5月29日 The effects of Al 2 O 3, MgO, and binary basicity on the viscosity of high alumina blast furnace slag are studied systematically at the temperatures of 1773 K and below using the orthogonal experimental design methodThe results show that, at fixed binary basicity (CaO/SiO 2) between 11 and 12, higher Al 2 O 3 content increase the slag viscosity due to Effect of Al2O3, MgO, and CaO/SiO2 on Viscosity of High Alumina Blast

CG Bai's research works Chongqing University, Chongqing
These materials will further reduce the fluidity of blast furnace slag [1] [2][3][4][5], aggravate the difficulty of separating the hot metal from slags and lead to furnace operating difficulty2017年3月23日 Structure evolution of blast furnace slag with high Al 2 O 3 Content and 5 mass% TiO 2 via molecular dynamics simulation and fourier transform School of Metallurgy Materials Engineering, Chongqing University of Science and Technology, Chongqing, PR China * : qinyuelin710@163 Received: 23 March 2017 Accepted Structure evolution of blast furnace slag with high Al2O3 Content 2016年3月5日 Blast furnace slag (BF slag) is one of the main solid byproducts during iron and steel making process Generally, it has an output of about 03 ~ 10 ton/ton pig iron [1] and contains a great deal of highgrade sensible heat accounting for 10% of waste energy in steel industry and 28% of hightemperature waste heat since it is exhausted with critically high Crystallization properties of molten blast furnace slag at different waste The immobilization of COPR using a blast furnace slagbased geopolymer has been investigated in this study The optimum parameters for preparing the blast furnace slagbased geopolymer using anImmobilization of chromite ore processing residue with alkali

Influence of Al2O3 Content on the Melting and Fluidity of Blast Furnace
cosity of blast furnace slag exhibits a constant declining trend as temperature increases, and a turning point occurs in the viscositytemperature curves under dierent Al2 O3 contents ese results indicate that the low dation of Chongqing University of Science Technology2018年3月26日 The effects of the Al2O3 concentration and Al2O3/SiO2 ratio on the density and surface tension of molten aluminosilicate CaOSiO2Al2O39 mass pct MgO1 mass pct TiO2 slag were investigated at Transition of Blast Furnace Slag from Silicate Based to Aluminate 2021年5月11日 1 Introduction Blast furnace slag is an important industrial solid waste produced in the blast furnace ironmaking process [Citation 1], which is primarily used to produce building materials with low added values, such as Full article: Effect of Cr2O3 on the crystallization, Xuewei LV Cited by 3,611 of Chongqing University, Chongqing (CQU) Read 366 publications Contact Xuewei LVXuewei LV Chongqing University, Chongqing CQU

Surface Tension of the Molten Blast Furnace Slag Bearing TiO
The surface tension of molten slag is a key parameter in industrial processes at high temperatures for controlling the various surface and interfacial phenomena 1,2,3) in ironmaking and steelmaking processes Particularly, during the process of ironmaking in blast furnace with Vanadic Titanomagnetite, 4) the mass percent of TiO 2 can reach 2500%, causing several critical 2021年2月1日 Blast furnace–basic oxygen furnace (BF–BOF) process is the predominant method for smelting vanadium titanomagnetite (VTM) in China Hydrogenrich (H2rich) gas injection in BF is considered (PDF) Slagfoaming Phenomenon Originating from Reaction of 2024年1月17日 Synthesis of foamed glass–ceramics from hightitanium blast furnace slag using Na 3 PO 4 12H 2 O as a foam stabilizer Hongling Zhou, Corresponding Author Hongling College of Materials Science and Engineering, Chongqing University, Chongqing , China : [ protected] Keqin Feng, School of Mechanical Engineering Synthesis of foamed glass–ceramics from high‐titanium blast furnace 2018年1月19日 Chongqing , China TiO2 has been approved as a viscositydecreasing agent in blast furnace slag under inert atmosphere both by experimental and structure calculationEffect of TiO2 on the Viscous Behavior of High Alumina Blast Furnace Slag

Slagfoaming phenomenon originating from reaction of titanium
RESEARCH ARTICLE Slagfoaming phenomenon originating from reaction of titaniumbearing blast furnace slag: effects of TiO2 content and basicity Junyi Xianga,b, Jian Wanga, Qingjuan Lia, Cheng 2018年3月1日 Chongqing University, Chongqing , China email: lvxuewei@163 Increasing the Al2O3 content in the blast furnace slag, Physicochemical Properties of High Alumina Blast Furnace Slag2018年11月30日 The electrical conductivity of the CaOSiO2Al2O3MgOTiO2 slag was determined using the fourelectrode method The effect of the Al2O3 and Al2O3/SiO2 mass ratio on the electrical conductivity was studied At a fixed CaO/SiO2 ratio of 120, the electrical conductivity decreases with increasing Al2O3 from 16 mass pct to 24 mass pct because of the Transition of Blast Furnace Slag from Silicate Based to Aluminate The effect of MgO/CaO ratio on the viscosity and free running temperature of chromiumcontaining hightitanium blast furnace slag (CaO–SiO 2 –Al 2 O 3 –MgO–TiO 2 –Cr 2 O 3) was investigated by a rotating crucible viscometerWhen the ternary basicity with a fixed (CaO+MgO)/SiO 2 ratio of 141 and the temperature was fixed, the MgO/CaO ratio had an Effect of MgO/CaO Ratio on Viscosity and Phase Structure of

Centrifugal Granulation of Molten BF Slag in Film Formation Mode
1 Key Laboratory of Lowgrade Energy Utilization Technologies and Systems, Chongqing University, Chongqing , China 2 Institute of Engineering Thermophysics, Chongqing University, Chongqing , China Molten blast furnace (BF) slag is produced in pig iron making processes with a high temperature of 14501650 °C [1]blast furnace slag has become a common phenomenon, which has resulted in the translation of the slag system Chongqing University, No 174 Shazheng Street, Shapingba District, ChongqingTransition of Blast Furnace Slag from Silicate Based to2022年2月1日 In this work, the variable thermophysical parameters of BF slag were utilized to implement the simulation, as shown in Table 1It should be explained that, expect for the discussion on different components, the rest of the studies were simulated with BF slag form Chongqing Iron Steel (Group) Co, Ltd (China), the characteristic temperatures and latent Cooling and phase evolution of a molten blast furnace slag Jie DANG, Professor (Full) Cited by 2,535 of Chongqing University, Chongqing (CQU Crystals 2021, 11, 583 Abstract: The utilization of titaniumcontaining blast furnace slag has been an Jie DANG Professor (Full) PhD Chongqing University, Chongqing

Yiwen LV Master of Engineering Chongqing University, Chongqing
The dynamic morphologies of a molten blast furnace slag droplet impacting a quartz glass surface are studied visually for a wide range of dimensionless initial temperatures (1604–1951 2021年5月1日 Research on the viscous flow characteristics of blast furnace slag containing titanium has been relatively mature The results of Yang et al [12] showed that the viscosity first decreased and then increased with increasing Cr 2 O 3 content in the slagWhen the content of Cr 2 O 3 was no higher than 05 wt%, Cr 2 O 3 functioned as a network modifier, simplifying the Influence of TiO2 on viscosity, phase composition and structure 2018年8月6日 The titaniumbearing blast furnace slag contains much amount of unemployed titanium and thus causes both resource waste and environmental Downloaded by Chongqing University on 4/18/2019 2:58: (PDF) Effect of basicity on the crystallization behavior of TiO2CaO In order to efficiently reuse high titanium blast furnace slag, foam glassceramics were produced by simultaneously foaming and crystallizing process at 1000℃, using the slag and waste glass as Hongling ZHOU Doctor of Engineering Chongqing University, Chongqing

Formation of Ti(C,N) in Blast Furnace Slag Bearing High TiO2
2012年3月17日 Formation of Ti(C,N) in Blast Furnace Slag Bearing High TiO 2 Shiwei Ma, Shiwei Ma [ protected] College of Materials Science Engineering, Chongqing University, Chongqing , China Chongqing University, Chongqing , China for more papers by this author Book Editor(s): Tao Jiang, Tao Jiang2020年8月10日 To increase the utilization fraction of VTiMagnetite ore in the burden of the blast furnace over 80 pct, the technology of “replacing CaO with MgO” was discussed The high content of TiO2bearing raw materials leads to a super high TiO2 content in the blast furnace slag, which affects the normal operation of the blast furnace ironmaking process The Blast Furnace Ironmaking Process with Super High TiO2 in the Slag