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铁液温度太高,为了降低温度,在浇包内剩一点冷铁,这样可行吗?

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小心谨慎一点。否则一包铁水、出现几件废品就不上算。可以静置降温,还能使夹渣上浮。
余铁降温,必须保证是热包热铁,防止吸潮-湿存水不利于铁水质量
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可以,甚至可以加铁块。
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