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[1]佟志芳,贾志恒,曾庆钋,等.炉渣组分对CaO-MgO-Al2O3-Si2O-Cr2O3-FeO-TiO2渣系中铬尖晶石相析出影响的热力学[J].有色金属科学与工程,2020,(03):1-10.[doi:10.13264/j.cnki.ysjskx.2020.03.001]
 TONG Zhifang,JIA Zhiheng,ZENG Qingpo,et al.Thermodynamics of the effects of slag compositions on the precipitation of chromium spinel in CaO-MgO-Al2O3-Si2O-Cr2O3-FeO-TiO2 slag system[J].,2020,(03):1-10.[doi:10.13264/j.cnki.ysjskx.2020.03.001]
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炉渣组分对CaO-MgO-Al2O3-Si2O-Cr2O3-FeO-TiO2渣系中铬尖晶石相析出影响的热力学(/HTML)
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《有色金属科学与工程》[ISSN:1674-9669/CN:36-1311/TF]

卷:
期数:
2020年03期
页码:
1-10
栏目:
出版日期:
2020-05-20

文章信息/Info

Title:
Thermodynamics of the effects of slag compositions on the precipitation of chromium spinel in CaO-MgO-Al2O3-Si2O-Cr2O3-FeO-TiO2 slag system
文章编号:
1674-9669(2020)03-0001-10
作者:
佟志芳 贾志恒 曾庆钋 许聪聪
(江西理工大学材料冶金化学学部, 江西 赣州 341000)
Author(s):
TONG Zhifang JIA Zhiheng ZENG Qingpo XU Congcong
(Faculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, China)
关键词:
不锈钢渣模拟计算尖晶石微晶玻璃热力学分析
分类号:
TF703.6
DOI:
10.13264/j.cnki.ysjskx.2020.03.001
文献标志码:
A
摘要:
根据熔体的非平衡凝固理论,采用热力学数据库Factsage7.1模拟计算研究了不同碱度、MgO以及FeO的质量百分数对不锈钢渣微晶玻璃的基础玻璃成分CaO-MgO-Al2O3-SiO2-Cr2O3-FeO-TiO2体系中尖晶石矿相开始析出温度、种类及其析出量的影响规律。计算结果表明,碱度为0.47时,析出矿物相主要包括透辉石、钙长石以及尖晶石等相,其中透辉石为主要物相。尖晶石相为高温析出相,主要由MgCr2O4和FeCr2O4组成。在不同碱度条件下,总尖晶石开始析晶温度随着MgO质量百分数的增加而增加。当w(C)/w(S)为0.47,氧化镁的质量百分数小于10.52%时,镁铬尖晶石和铁铬尖晶石的析出量随着氧化镁质量百分数的增加而增加。氧化镁的质量百分数大于10.52%时,随着氧化镁质量百分数的增加,镁铬尖晶石析出量增加,而铁铬尖晶石的析出则逐渐减少。FeO的质量百分数小于7.57%时,镁铬尖晶石和铁铬尖晶石的析出量随着氧化铁含量的增加而增加,FeO的质量百分数大于7.57%以后,随着氧化铁含量的增加,镁铬尖晶石析出量减少,铁铬尖晶石析出量增加。

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备注/Memo

备注/Memo:
收稿日期:2019-12-25
基金项目:国家自然科学基金资助项目(51564017); 江西省科技厅重点基金资助项目(2019ACBL20015);江西省研究生创新专项资金资助项目(YC2019-S304;赣市科发[2019]60号)
通信作者:佟志芳(1972— ),男,博士,教授,主要从事冶金资源二次综合利用方面的研究。E-mail:tongzhifang1998@126.com
更新日期/Last Update: 2020-07-03