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吹氩搅拌 [chuī yà jiǎo bàn]
argon stirring
- 底吹氩气搅拌时，会形成一大一小两个循环流，小循环流流动比较剧烈，随着吹气量的增加，熔池搅拌会越来越剧烈，经研究发现存在吹氩最佳吹气量和卷渣临界吹气量；
When bottom blown, two cycled field have been formed. Comparing with them, one is bigger and the other is smaller, but the stronger flow is the latter. - ③脱磷：先进行中强度底吹氩搅拌，再采用高强度搅拌，并完成1～2个钢水循环；
dephosphorizing: blowing argon in a medium strength way firstly, stirring, and then stirring in a high strength way to complete 1-2 molten steel cycles; - 通过现场实验测试，认为钢包炉吹氩搅拌过程中，氩气升温吸热对钢液温降的影响极少。
Via experiments and testing on site, the fact that argon absorbs heat during heating is considered to have very little influence on temperature drop of molten steel during stirring by blowing argon.
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