微波加热含碳锰矿球团冶炼高碳锰铁的研究
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摘要
对微波加热含碳锰矿球团冶炼高碳锰铁进行了试验研究,探明配碳系数、炉渣碱度对锰回收率的影响。结果表明,采用微波加热含碳锰矿料球,可以冶炼出符合要求的高碳锰铁合金。配碳系数及炉渣二元碱度对锰元素回收率影响显著,当配碳系数为1.4、炉渣二元碱度为2.0时,锰元素回收率最高可达90%以上。当配碳过量时,锰元素回收率下降明显。
Experiment of smelting high carbon ferromanganese from carbon-bearing manganese ore pellets with microwave heating was carried out.Influence of carbon ratio and basicity of slag on manganese recovery rate were investigated.The results show that high-carbon ferromanganese alloys prepared from carbon-bearing manganese ore pellets with microwave heating meet the requirements.Carbon ratio and binary alkalinity of slag have significant effect on manganese recovery.Manganese recovery rate is 90%above under the conditions include carbon ratio of 1.4 and binary alkalinity of slag of 2.0.When carbon ratio is excessive,manganese recovery rate drops significantly.
Experiment of smelting high carbon ferromanganese from carbon-bearing manganese ore pellets with microwave heating was carried out.Influence of carbon ratio and basicity of slag on manganese recovery rate were investigated.The results show that high-carbon ferromanganese alloys prepared from carbon-bearing manganese ore pellets with microwave heating meet the requirements.Carbon ratio and binary alkalinity of slag have significant effect on manganese recovery.Manganese recovery rate is 90%above under the conditions include carbon ratio of 1.4 and binary alkalinity of slag of 2.0.When carbon ratio is excessive,manganese recovery rate drops significantly.
引文
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[2]张伯伦,贺拥军.微波加热在化学反应中的应用进展[J].现代化工,2001,21(4):8-12.
[3]蔡卫权,李会泉,张懿.微波技术在冶金中的应用[J].过程工程学报,2005,15(2):228.
[4]MOURAO M,PARREIRAS DE CARVALHO I,TAKNO C.Car bothermic reduction by microwave heating[J].ISIJ International,2001,41(s1):27-30.
[5]STANDISH N,WORNER H.Microwave application in the reduction of metal oxides with carbon[J].Journal of Microwave Power and Electromagnetic Energy,1990,25(3):177-180.
[6]李小明,张爽,赵俊学,等.铁合金生产概论[M].北京:冶金工业出版社,2014:88-89.
[7]张建良,王春龙,刘征建,等.钒钛磁铁矿含碳球团还原的影响因素[J].北京科技大学学报,2012,34(5):512-518.
[8]张哲铠,吴胜利,鲁华.COREX熔融气化炉填充床内气固相间还原形式的影响因素研究[J].科学技术与工程,2017,17(21):18-24.
[9]张俊,戴晓天,严定鎏,等.含碳球团熔融渗碳机理[J].钢铁研究学报,2017,29(11):878-882.
[10]周进华.铁合金生产技术[M].北京:科学出版社,1991:168.
[11]陆友琪,赵洪志.铁合金及合金添加剂手册[M].北京:冶金工业出版社,1990:440.
[12]施哲,熊洪进.六元熔融还原渣黏度的分析[J].重庆大学学报,2014,37(5):37-45.