LF炉温度控制曲线.doc

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LF炉温度控制曲线
LF Furnace temperature control curve
二．LF钢包精炼炉工艺流程与作业周期〔min〕
Second. LFLadle ascension electrode, the furnace cover
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Ladle service time〔min〕
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钢包车开出、喂丝软吹〔不裸露钢液〕
Ladle car out, thread feeding soft blow (not bare steel liquid)
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吊包至后处理工位。
Crane packets to post-processing work station.
小计
Total
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Ladle service time〔min〕
Remarks
电炉出钢、初炼钢水兑入精炼钢包、粗合金化、加保护渣
Electric arc furnace tapping, initial smelting molten steel mix refining ladle, blended crude alloying, plus
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Ladle service time〔min〕
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protective slag.
测温取样
Temperature measuring and sampling
钢包车载包运行至加热工位
Ladle car package run to the heating station.
水冷炉盖下降到位，送电加热，～1%。
Water cooled furnace lid fall in place, to send electric heating, adding slag ~ 1%.
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停电、测温取样
Power off, temperature measuring and sampling
送电、补加合金料，～1%渣料，待渣料化匀，用复原剂复原，分批参加撒匀，以确保炉内埋弧渣良好，渣中〔FeO<%〕。
Power transmission, adding alloy material, if S is high, still needed to be added in ~ 1% slag, the slag of uniform, with a reductant batch addition, sprinkle, to ensure that the furnace submerged arc slag, slag ( FeO < % ).
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Ladle service time〔min〕
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渣白，停电，测温取样。
Slag white, power off, temperature measuring and sampling.
根据钢水温度，调整电压、电流，用少许复原剂保持白渣〔保温等样〕。
According to the temperature of the molten steel, adjust the voltage, current, with a reducing agent to maintain white slag ( heat preservation and the like ).
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测温，取样
Temperature measurement, sampling
[S]进入规格，微调成份，停电提升电极、炉盖
[S] into the specification, fine-tuning ingredients, power offto ascension electrode, the furnace cover.
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Ladle service time〔min〕
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钢包车开出、喂丝软吹〔不裸露钢液〕
Ladle car out, thread feeding soft blow (not bare s