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首页> 外文期刊>ISIJ international >Change in Inclusion Composition during CaO Flux Powder Blowing under Reduced Pressure
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Change in Inclusion Composition during CaO Flux Powder Blowing under Reduced Pressure

机译：CaO助熔剂低压吹塑过程中夹杂物组成的变化

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摘要

To examine the reaction mechanism of the variation of calcium content in inclusions and the molten steel and the effect of flux composition on the reaction, the variations of molten steel content and inclusion content during CaO, 60%CaO–40%CaF_(2) or 50%CaO–50%CaSi powder blowing onto the molten steel under reduced pressure were investigated with 15 kg scale experiments. From the experimental results, it was found that the inclusion composition was changed from Al_(2)O_(3) to Al_(2)O_(3)–CaO by CaO flux that did not contain CaSi alloy, and that the reaction path of the inclusion composition was changed remarkably by CaSi alloy in CaO flux. From the experimental results and the chemical thermodynamic calculation, the effects of the flux and CaSi alloy on the change in composition of inclusion and melts were examined.
机译：为了研究夹杂物和钢水中钙含量变化的反应机理以及助熔剂成分对反应的影响，CaO，60％CaO–40％CaF_（2）或过程中钢水含量和夹杂物含量的变化。通过15公斤规模的实验研究了在减压下吹入钢水中的50％CaO–50％CaSi粉末。从实验结果可以看出，通过不含CaSi合金的CaO助熔剂，夹杂物组成从Al_（2）O_（3）变为Al_（2）O_（3）–CaO，并且反应路径CaO熔剂中CaSi合金显着改变了夹杂物的组成。从实验结果和化学热力学计算，研究了助熔剂和CaSi合金对夹杂物和熔体成分变化的影响。

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