铸造技术2017，Vol.38Issue(4)：863-866,4.DOI:10.16410/j.issn1000-8365.2017.04.032
CaO-SiO2-B2O3-CaF2系保护渣反应热力学分析
Reaction Thermodynamic Analysis of CaO-SiO2-B2O3-CaF2 System Mold Flux
摘要
Abstract
In order to explore the chemical reaction of the CaO-SiO2-B2O3-CaF2 system in the process of continuous casting production,the main ore phase,the optimal reaction and the optimum technological conditions were determined.Thermodynamic analysis and calculation of CaO-SiO2-B2OrCaF2 slag system were carried out by using FactSage thermodynamic software,and the XRD was detected.The results show that the main mineral phases in the mold flux were CaSiO3,CanB2Si4O22 and Ca4Si2F2O7,and the results are basically consistent with the XRD test results,and the reaction temperature is controlled between 1 553～1 633 K.The ore has good fluidity and good lubrication effect,can effectively improve the quality of cast billet,and reduce the frequency of leakage due to bad lubrication.关键词
保护渣/FactSage/热力学分析/吉布斯自由能Key words
mold flux/FactSage/thermodynamic analysis/Gibbs free energy分类
矿业与冶金引用本文复制引用
朱立光,袁志鹏,许莹,王杏娟..CaO-SiO2-B2O3-CaF2系保护渣反应热力学分析[J].铸造技术,2017,38(4):863-866,4.基金项目
国家自然科学青年基金资助项目(51404088) （51404088）
河北省自然科学基金资助项目(E2015209217) （E2015209217）
