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Method for optimizing slag corrosion resistance and permeation resistance of low-carbon magnesium-carbon material
The invention discloses a method for optimizing slag corrosion resistance and permeation resistance of a low-carbon magnesium-carbon material, and belongs to the field of magnesium-carbon materials for metallurgy. The method comprises the specific steps of raw material pretreatment, compression molding and hardening treatment. The method is characterized in that polycrystalline silicon waste and silicon carbide ceramic waste are introduced in the material mixing stage, and a reinforcing phase is formed in situ through valuable elements in the waste so as to enhance the slag resistance of the low-carbon magnesium-carbon material. Meanwhile, the main components silicon and silicon carbide of the waste can react with slag at high temperature, and a high-melting-point protective layer is formed on the surface of the magnesium-carbon material. According to the invention, the defect of poor slag resistance of the existing low-carbon magnesium-carbon material is solved by simple raw materialadjustment, and the method has a good application prospect.
本发明公开了一种优化低碳镁碳材料抗渣侵蚀和渗透的方法，属于冶金用镁碳材料领域。具体步骤包括原料预处理、压制成型、硬化处理。其特征在于，在混料阶段引入多晶硅废料和碳化硅陶瓷废料，通过废料中的有价元素原位形成增强相以增强低碳镁碳材料的抗渣性。同时，废料主成分硅和碳化硅在高温时可与熔渣反应，在镁碳材料表面形成高熔点保护层。本发明以一种简单的原料调整解决了目前低碳镁碳材料抗渣性差的缺陷，有很好的应用前景。
Method for optimizing slag corrosion resistance and permeation resistance of low-carbon magnesium-carbon material
The invention discloses a method for optimizing slag corrosion resistance and permeation resistance of a low-carbon magnesium-carbon material, and belongs to the field of magnesium-carbon materials for metallurgy. The method comprises the specific steps of raw material pretreatment, compression molding and hardening treatment. The method is characterized in that polycrystalline silicon waste and silicon carbide ceramic waste are introduced in the material mixing stage, and a reinforcing phase is formed in situ through valuable elements in the waste so as to enhance the slag resistance of the low-carbon magnesium-carbon material. Meanwhile, the main components silicon and silicon carbide of the waste can react with slag at high temperature, and a high-melting-point protective layer is formed on the surface of the magnesium-carbon material. According to the invention, the defect of poor slag resistance of the existing low-carbon magnesium-carbon material is solved by simple raw materialadjustment, and the method has a good application prospect.
本发明公开了一种优化低碳镁碳材料抗渣侵蚀和渗透的方法，属于冶金用镁碳材料领域。具体步骤包括原料预处理、压制成型、硬化处理。其特征在于，在混料阶段引入多晶硅废料和碳化硅陶瓷废料，通过废料中的有价元素原位形成增强相以增强低碳镁碳材料的抗渣性。同时，废料主成分硅和碳化硅在高温时可与熔渣反应，在镁碳材料表面形成高熔点保护层。本发明以一种简单的原料调整解决了目前低碳镁碳材料抗渣性差的缺陷，有很好的应用前景。
Method for optimizing slag corrosion resistance and permeation resistance of low-carbon magnesium-carbon material
一种优化低碳镁碳材料抗渣侵蚀和渗透的方法
MA BEIYUE (Autor:in) / REN XINMING (Autor:in) / SHI MINGDONG (Autor:in) / GAO ZHI (Autor:in)
30.06.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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