刘丽霞, 王世俊, 董元篪. Thermodynamic Study on Dephosphorization during Hot Metal Pretreatment with B2O3 to Replace CaF2 in Slag[J]. Special Steel, 2011, 32(1): 13-15.
刘丽霞, 王世俊, 董元篪. Thermodynamic Study on Dephosphorization during Hot Metal Pretreatment with B2O3 to Replace CaF2 in Slag[J]. Special Steel, 2011, 32(1): 13-15.DOI:
The dephosphorization effect of hot metal with initial 0. 61%Si and 0. 06% ~0.09%P by 0 ~8% B
2
O
3
to replace 0 ~8% CaF
2
in 40% CaO-52% Fe
2
O
3
metal pre-treating slag at 1 450℃ has been studied by MoSi tube high temperature furnace. Test results show that with B
2
O
3
to replace CaF2
the oxidizing ability of pre-treating phosphorescing slag increases
the efficiency of dephosphorization of metal is more than 80% by substituting slag and the phosphor capacity of slag decreases slightly from original 9. 35 x 10
21
to 7. 48 x 10
21
it is available to meet the requirement of pre-treating dephosphorization.