第12期 李鹏程等：Ca0-Mg0-FeO-Fe,O3SiO,炼钢渣系磷分配比的热力学模型 ·1613· 8- (a) algl olg.… 口lgpt olglv. 6 @识号 8既86 立4 的 我 的 7 40 45 50 55 60 6 81012141618 C0质量分数/% Si0,质量分数/% 8 e (d) olgLe. olgl. 日商田器a P688号 4 源Q 4 即 3 8 18 2022242628 3032 10 12 1416 Mg0质量分数/% FeO质量分数/% 图4Ca0-MgO-FO-fc203Si02渣系中不同组元的质量分数与MCT-Hp模型计算的磷分配比Lp及Basu等网测量的磷分配比Lp的关 .(a)Cao:(b)Sio2:(e)Mgo:(d)Fe,0 Fig.4 Change in phosphorus distribution of CaO-Mgo-FeO-Fe2O3SiO slags calculated by the IMCT-Lp model and measured by Basu et al. with the mass fraction of components:(a)Ca0:(b)Si02:(c)MgO:(d)Fe,O 渣系实测的Lp,·同时，四种组元质量分数和 partition during blowing in a commercial BOF.ISIJ Int,2007,47 Lp,的拟合度与IMCT-Lp模型预报的Lp,ca的拟合 (5):766 [8]Basu S,Lahiri A K,Seetharaman S.Phosphorus partition between 度较好 liquid steel and CaO-SiOP20-Mgo slag containing low FeO. 参考文献 Metall Mater Trans B,2007,38(3):357 9]Basu S,Lahiri A K,Seetharaman S.Phosphorus partition between 1]WinklerT B.Chipman J.An equilibrium study of the distribution of phosphorus between liquid iron and basic slags.Trans AlME, liquid steel and Cao-Si02-Fe0,-P20s-Mgo slag containing 15 1946,167:111 to 25 Pet Fe0.Metall Mater Trans B,2007,38(4):623 Balajiva K.Vajragupta P.The effect of temperature on the phos- [10]Healy G W.A new look at phosphorus distribution.J /ron Steel phorus reaction in the basic steelmaking process.ron Steel Inst, lns,1970,208:664 1947,155(4):563 [11]Suito H.Inoue R.Phosphorus distribution between Mgo-aturat- B]lde K,Fruehan R J.Evaluation of phosphorus reaction equilibri- ed Cao-Fe,O-SiO2-P20s-MnO slags and liquid Iron.Trans/- um in steelmaking.Iron Steelmaker,2000,27(12):65 ron Steel Inst Jpn,1984,24(1)40 4]Richardson F D.Physical Chemistry of Melts in Metallurgy.Lon- 12] Suito H,Inoue R,Takada M.Phosphorus distribution between don:Academic Press,1974:87 liquid iron and Mgo saturated slags of the system Cao-Mgo- [5]Nassaralla C.Fruchan R J.Phosphate capacity of Cao-Al2O3 Fe,-i2.Trans Iron Stel Inst Ipn,1981,21(4):250 slags containing CaF2,Ba0,Li,O or Na,O.Metall Mater Trans 03] Sommerville I D,Zhang X F,Toguri J M.The capacities and re- B,1992,23(2):117 fining capabilities of metallurgical slags.Trans fron Steel Soc, [6]Morales A T,Fruchan R J.Thermodynamics of Mno,Fe0 and 1985,6:29 phosphorus in steelmaking slags with high Mno contents.Metall 041 Choudhary S K,Lenka S N,Chosh A.Assessment and applica- Mater Trans B,1997,28(6):1111 tion of equilibrium slag-metal phosphorous partition for basic oxy- 7]Basu S,Lahiri A K,Seetharaman S,et al.Change in phosphorus gen steelmaking.Ironmaking Steelmaking,2007,34(4):343第 12 期 李鹏程等: CaO--MgO--FeO--Fe2O3 --SiO2 炼钢渣系磷分配比的热力学模型 图 4 CaO--MgO--FeO--Fe2O3 --SiO2 渣系中不同组元的质量分数与 IMCT--LP 模型计算的磷分配比 LP 及 Basu 等［8］测量的磷分配比 LP 的关 系． ( a) CaO; ( b) SiO2 ; ( c) MgO; ( d) FetO Fig． 4 Change in phosphorus distribution of CaO--MgO--FeO--Fe2O3 --SiO2 slags calculated by the IMCT--LP model and measured by Basu et al．［8］ with the mass fraction of components: ( a) CaO; ( b) SiO2 ; ( c) MgO; ( d) FetO 渣系 实 测 的 LP，mes． 同时，四 种 组 元 质 量 分 数 和 LP，mes的拟合度与 IMCT--LP 模型预报的 LP，cal的拟合 度较好． 参 考 文 献 ［1］ Winkler T B，Chipman J． An equilibrium study of the distribution of phosphorus between liquid iron and basic slags． Trans AIME， 1946，167: 111 ［2］ Balajiva K，Vajragupta P． The effect of temperature on the phos￾phorus reaction in the basic steelmaking process． J Iron Steel Inst， 1947，155( 4) : 563 ［3］ Ide K，Fruehan Ｒ J． Evaluation of phosphorus reaction equilibri￾um in steelmaking． Iron Steelmaker，2000，27( 12) : 65 ［4］ Ｒichardson F D． Physical Chemistry of Melts in Metallurgy． Lon￾don: Academic Press，1974: 87 ［5］ Nassaralla C，Fruehan Ｒ J． Phosphate capacity of CaO--Al2O3 slags containing CaF2，BaO，Li2O or Na2O． Metall Mater Trans B，1992，23( 2) : 117 ［6］ Morales A T，Fruehan Ｒ J． Thermodynamics of MnO，FeO and phosphorus in steelmaking slags with high MnO contents． Metall Mater Trans B，1997，28( 6) : 1111 ［7］ Basu S，Lahiri A K，Seetharaman S，et al． Change in phosphorus partition during blowing in a commercial BOF． ISIJ Int，2007，47 ( 5) : 766 ［8］ Basu S，Lahiri A K，Seetharaman S． Phosphorus partition between liquid steel and CaO--SiO2 --P2O5 --MgO slag containing low FeO． Metall Mater Trans B，2007，38( 3) : 357 ［9］ Basu S，Lahiri A K，Seetharaman S． Phosphorus partition between liquid steel and CaO--SiO2 --FeOx--P2O5 --MgO slag containing 15 to 25 Pct FeO． Metall Mater Trans B，2007，38( 4) : 623 ［10］ Healy G W． A new look at phosphorus distribution． J Iron Steel Inst，1970，208: 664 ［11］ Suito H，Inoue Ｒ． Phosphorus distribution between MgO-saturat￾ed CaO--FetO--SiO2 --P2O5 --MnO slags and liquid Iron． Trans I￾ron Steel Inst Jpn，1984，24( 1) : 40 ［12］ Suito H，Inoue Ｒ，Takada M． Phosphorus distribution between liquid iron and MgO saturated slags of the system CaO--MgO-- FeOx--SiO2 ． Trans Iron Steel Inst Jpn，1981，21( 4) : 250 ［13］ Sommerville I D，Zhang X F，Toguri J M． The capacities and re￾fining capabilities of metallurgical slags． Trans Iron Steel Soc， 1985，6: 29 ［14］ Choudhary S K，Lenka S N，Ghosh A． Assessment and applica￾tion of equilibrium slag-metal phosphorous partition for basic oxy￾gen steelmaking． Ironmaking Steelmaking，2007，34( 4) : 343 · 3161 ·