(1. 昆明理工大學(xué) 冶金與能源工程學(xué)院，昆明 650000；
2. 攀枝花學(xué)院 資源與環(huán)境工程學(xué)院，攀枝花 617000)
摘 要: 高鈦渣在高溫下的黏流特性是渣鐵分離的關(guān)鍵因素之一。基于Einstein-Roscoe方程，使用FactSage？軟件對(duì)TiO2-Ti2O3-FeO三元渣系黏度進(jìn)行熱力學(xué)模擬，研究溫度、FeO含量、還原度和固相顆粒4個(gè)因素對(duì)其渣系黏度的影響規(guī)律。結(jié)果表明：該方法能夠很好地模擬TiO2-Ti2O3-FeO三元渣系黏度的變化規(guī)律；FeO含量和還原度的增大均具有降低TiO2-Ti2O3-FeO三元渣系熔化溫度和黏度的效果；TiO2-Ti2O3-FeO三元鈦渣完全熔化后，升高溫度對(duì)渣系黏度的影響較小，黏度值約為110~130 mPa·s；當(dāng)溫度低于熔化溫度時(shí)，TiO2-Ti2O3-FeO三元鈦渣會(huì)析出固相顆粒，析出過程是分階段進(jìn)行的，且隨著溫度的降低，析出量增加，黏度值急劇升高；TiO2-Ti2O3-FeO三元鈦渣具有較為明顯的短渣特性。
關(guān)鍵字: 高鈦渣；黏度；FactSage？軟件
（1. School of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650000, China;
2. School of Resources and Environmental Engineering, Panzhihua University, Panzhihua 617000, China）
Abstract:The viscous flow characteristics of high titanium slag at high temperature are one of the key factors of slag iron separation. Based on the Einstein-Roscoe equation, thermodynamic simulation of TiO2-Ti2O3-FeO ternary slag viscosity was studied using FactSage？ software, and the effects of temperature, FeO content, reduction degree and solid particles on the slag viscosity were studied. The results show that the method can simulate the change of the viscosity of TiO2-Ti2O3-FeO ternary slag. The increase of FeO content and reduction degree has the effect of reducing melting temperature and viscosity of TiO2-Ti2O3-FeO ternary slag. After the TiO2-Ti2O3-FeO ternary titanium slag is completely melted, the increase of temperature has little effect on slag viscosity, and the viscosity is about 110-130 mPa·s. When the temperature is lower than melting temperature, TiO2-Ti2O3-FeO ternary titanium slag will precipitate solid particles, and the precipitation process is carried out in stages, and with the decrease of temperature, the precipitation will increase and the viscosity will sharply increase. TiO2-Ti2O3-FeO ternary titanium slag has obvious short slag characteristics.
Key words: high titanium slag; viscosity; FactSage？ soft
