第8期 林路等：二氧化钛改质对含磷转炉渣中磷富集行为的影响 ·1019· 显增加，P,0,质量分数接近30%，完全满足钢渣磷 tion slag.ISIJ Int,2010,50(1)59 肥对磷含量的要求. [6]Deo B,Halder J,Snoeijer B,et al.Effect of Mgo and Al2O;var- (3)T02熔融改质后磁选分离时发现，渣中非 iations in oxygen steelmaking (BOF)slag on slag morphology and phosphorus distribution.Ironmaking Steelmaking,2005,32 (1): 磁性物和磁性物P,0,分配比由0.96增加到2.92， 54 渣中74.46%Pz0,进入回收的非磁性物中，提取的 Yang X,Matsuura H,Tsukihashi F.Condensation of P2Os at the 非磁性物比例为65.43%，实现了绝大部分磷元素 interface between 2Ca0.Si02 and Cao-Si02-Fe0,-P2Os slag. 的回收利用. SWnt,2009,49(9):1298 (4)采用合适工艺对转炉渣进行T02熔融改 [8] Kitamura S,Saito S,Utagawa K,et al.Mass transfer of P2Os be- tween liquid slag and solid solution of 2Ca0.Si02 and 3Ca0. 质，使渣中磷得到有效富集，然后通过磁选提取富磷 P205.1SJ1nt,2009,49(12):1838 相的方案是可行的. Shimauchi K,Kitamura S,Shibata H.Distribution of P,Os be- tween solid dicalcium silicate and liquid phases in Cao-Si0,-Fe,O 参考文献 system.1S0lmt,2009,49(4):505 [Boom R,Riaz S,Mills K C.Slags and fluxes entering the new [10]Matsubae-Yokoyama K,Kubo H,Nagasaka T.Recycling effects of millennium:an analysis of recent trends in research and develop- residual slag after magnetic separation for phosphorus recovery from ment.Ironmaking Steelmaking,2005,32(1):21 hot metal dephosphorization slag.IS/J Int,2010,50(1):65 2]Suito H,Inoue R.Behavior of phosphorous transfer from Cao-Fe, [11]Li L S,Wu X R,Yu L,et al.Effect of Ti02 on crystallisation of OP20s(i0,)slag to Cao particles.ISIJ Int,2006,46(2) V concentrating phase in V-earing steelmaking slag.Ironmaking 180 Steelmaking,2008,35(5):367 B]Wu X R,Wang P,Li L S,et al.Distribution and enrichment of [12]Yu L,Dong Y C,Ye G Z,et al.Concentrating of vanadium ox- phosphorus in solidified BOF steelmaking slag.Ironmaking Steel- ide in vanadium rich phase(s)by addition of Si0,in converter making,2011,38(3):185 slag.Ironmaking Steelmaking,2007,34(2):131 4]Son P K,Kashiwaya Y.Phosphorous partition in dephosphoriza- [13]Li L S,Wu L S,Su Y L,et al.Influence of Al2O:on vanadium tion slag occurring with crystallization at initial stage of solidifica- concentration in V-bearing steelmaking slag.Acta Metall Sin, tion.1Sl01t,2008,48(9):1165 2008,44(5):603 [5]Kubo H,Matsubae-Yokoyama K,Nagasaka T.Magnetic separa- (李辽沙，吴六顺，苏允隆，等.A山，0对含钒钢渣中钒富集 tion of phosphorus enriched phase from multiphase dephosphoriza- 行为的影响.金属学报，2008,44(5)：603)第 8 期 林 路等: 二氧化钛改质对含磷转炉渣中磷富集行为的影响 显增加，P2O5 质量分数接近 30% ，完全满足钢渣磷 肥对磷含量的要求． ( 3) TiO2 熔融改质后磁选分离时发现，渣中非 磁性物和磁性物 P2O5 分配比由 0. 96 增加到 2. 92， 渣中 74. 46% P2O5 进入回收的非磁性物中，提取的 非磁性物比例为 65. 43% ，实现了绝大部分磷元素 的回收利用． ( 4) 采用合适工艺对转炉渣进行 TiO2 熔融改 质，使渣中磷得到有效富集，然后通过磁选提取富磷 相的方案是可行的． 参 考 文 献 ［1］ Boom Ｒ，Ｒiaz S，Mills K C． Slags and fluxes entering the new millennium: an analysis of recent trends in research and develop￾ment． Ironmaking Steelmaking，2005，32( 1) : 21 ［2］ Suito H，Inoue Ｒ． Behavior of phosphorous transfer from CaO-Fet O-P2O5 ( -SiO2 ) slag to CaO particles． ISIJ Int，2006，46 ( 2) : 180 ［3］ Wu X Ｒ，Wang P，Li L S，et al． Distribution and enrichment of phosphorus in solidified BOF steelmaking slag． Ironmaking Steel￾making，2011，38( 3) : 185 ［4］ Son P K，Kashiwaya Y． Phosphorous partition in dephosphoriza￾tion slag occurring with crystallization at initial stage of solidifica￾tion． ISIJ Int，2008，48( 9) : 1165 ［5］ Kubo H，Matsubae-Yokoyama K，Nagasaka T． Magnetic separa￾tion of phosphorus enriched phase from multiphase dephosphoriza￾tion slag． ISIJ Int，2010，50( 1) : 59 ［6］ Deo B，Halder J，Snoeijer B，et al． Effect of MgO and Al2O3 var￾iations in oxygen steelmaking ( BOF) slag on slag morphology and phosphorus distribution． Ironmaking Steelmaking，2005，32( 1) : 54 ［7］ Yang X，Matsuura H，Tsukihashi F． Condensation of P2O5 at the interface between 2CaO·SiO2 and CaO--SiO2 --FeOx--P2O5 slag． ISIJ Int，2009，49( 9) : 1298 ［8］ Kitamura S，Saito S，Utagawa K，et al． Mass transfer of P2O5 be￾tween liquid slag and solid solution of 2CaO·SiO2 and 3CaO· P2O5 ． ISIJ Int，2009，49( 12) : 1838 ［9］ Shimauchi K，Kitamura S，Shibata H． Distribution of P2O5 be￾tween solid dicalcium silicate and liquid phases in CaO--SiO2 --FetO system． ISIJ Int，2009，49( 4) : 505 ［10］ Matsubae-Yokoyama K，Kubo H，Nagasaka T． Ｒecycling effects of residual slag after magnetic separation for phosphorus recovery from hot metal dephosphorization slag． ISIJ Int，2010，50( 1) : 65 ［11］ Li L S，Wu X Ｒ，Yu L，et al． Effect of TiO2 on crystallisation of V concentrating phase in V-bearing steelmaking slag． Ironmaking Steelmaking，2008，35( 5) : 367 ［12］ Yu L，Dong Y C，Ye G Z，et al． Concentrating of vanadium ox￾ide in vanadium rich phase( s) by addition of SiO2 in converter slag． Ironmaking Steelmaking，2007，34( 2) : 131 ［13］ Li L S，Wu L S，Su Y L，et al． Influence of Al2O3 on vanadium concentration in V-bearing steelmaking slag． Acta Metall Sin， 2008，44( 5) : 603 ( 李辽沙，吴六顺，苏允隆，等． Al2O3 对含钒钢渣中钒富集 行为的影响． 金属学报，2008，44( 5) : 603) · 9101 ·