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| Technical Study and Practice on Deep Dephosphorization With Double Slags in Converter in Ansteel |
| WAN Xue-feng,CAO Dong,LI De-gang,LIAO Xiang-wei,WANG Li-juan,CHANG Gui-hua |
| Technology Center, Ansteel Co., Ltd., Anshan 114009, Liaoning, China |
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Abstract Research of deep dephosphorization with double slags in the 100t top blowing converter and 180t combined converter and 260t combined converter were carried on. Different characters during the total blowing time were studied through the industrial experiments. Some key measures of the raw materials and operating system during the blowing process were analyzed also. The results show that: the temperature of molten steel, bacisity, w（(FeO)） and fluidity of slag at turning down are the important guarantees to ensure dephosphrization effect. The average result of w（［P］） at tapping can reach 63×10-6 in 100t top blowing converter and 51×10-6 in 180t combined converter and 62×10-6 in 260t combined converter with double slags in industrial test.
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Received: 05 September 2011
Published: 27 June 2012
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| [1] |
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| [2] |
WANG Linzhu，BAO Yanping，LI Xiang. Comparison of twostage dephosphorization during remaining #br# slagdouble slag process in converter[J]. Iron and Steel, 2019, 54(8): 37-42. |
| [3] |
YU Peng-fei，LIU Xiao-liang，ZENG Jia-qing，LIN Teng-chang，YANG Li-bin. Water simulation on mixing of bottom blowing parts with non equilibrium gas supply in converter[J]. Iron and Steel, 2018, 53(6): 39-46. |
| [4] |
XIA Yun- jin,GUO Xin,MA Wei- jie,LI Jie,FAN Ding- dong,WANG Shi- jun. Effect of change of slag phase on dephosphorization of “double- slag+slag- remaining” steelmaking technology[J]. , 2018, 30(6): 434-440. |
| [5] |
ZENG Jia-qing，YANG Li-bin，WANG Jie，LIU Xiao-liang，YAO Tong-lu，DAI Shi-fan. Effect of bottom blowing on dephosphorization technology in combined blowing converter[J]. Iron and Steel, 2017, 52(6): 40-44. |
| [6] |
YANG Wen- yuan，FENG Chao，WANG Ming- lin，L Ying- hua，HU Yan- bin，PENG Xiao- yan. Water model experiment of high supplying oxygen blowing in large converter[J]. , 2017, 29(10): 807-815. |
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2012, Vol. 47 
