Molten steel composite refining agent
A compound refining agent and refining agent technology, applied in the field of molten steel compound refining agent, can solve the problems of ineffective reduction of smelting cost, high price, unfavorable environmental protection, etc. effect of the problem
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[0014] The molten steel composite refining agent of the present invention is composed of a variety of deoxidizing alloys and refining agent base materials. The deoxidizing alloy is composed of Ca, Si, Ba, Al, and C; the proportions of the deoxidizing alloy are as follows: Ca8-18%, Si35-45% , Ba7~17%, Al10~25%, C15~35%; refining agent base material consists of the following materials, CaO, AL 2 O 3 , SiO 2 , MgO, the ratio of each component is as follows: CaO50~65%, Al 2 O 3 30~45%, SiO 2 2~6%, MgO5~10%. The ratio of deoxidizing alloy to refining agent base material is as follows, deoxidizing alloy: refining agent base material is 0.75-3:1, and the weight ratio of deoxidizing alloy is generally 40-80%.
[0015] The production process of the molten steel composite refining agent of the present invention:
[0016] Deoxidizing alloy: broken, grain size 1~5mm.
[0017] Refining agent base material: pre-melted, broken. The particle size is 1~5mm.
[0018] Finished product: Deoxidizing a...
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