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A platform for research: civil engineering, architecture and urbanism
Scouring-resistant low-carbon long-life stopper rod and preparation method thereof
The invention provides a scour-resistant low-carbon long-life stopper rod and a preparation method thereof, and belongs to the technical field of smelting variety steel, the scour-resistant low-carbon long-life stopper rod comprises the following raw materials by mass: 45-55% of electro-fused compact corundum, 20-26% of capacitance magnesium aluminate spinel, 7-13% of capacitance light-burned alumina, 2-7% of silicon carbide, 1-3% of high-purity metal silicon powder, 6-10% of high-purity graphite, and 8-12% of white corundum, the preparation method further comprises the following specific preparation steps: S1, material pretreatment: performing low-temperature drying treatment on all the raw materials; s2, the raw materials are mixed and mixed, all the raw materials are put into a mixing machine to be mixed, then a binding agent is added into the mixing machine containing the raw materials, mixing is conducted, and pug is obtained; s3, drying the pug; and S4, molding and firing the product to obtain a finished product. According to the characteristics of variety steel, the requirement of a prefabricated beam is met, the defect that molten steel is polluted due to scouring and recarburization when a stopper rod is used is overcome, and normal proceeding of continuous casting production is guaranteed.
本发明提供一种耐冲刷低碳长寿命塞棒及其制备方法，属于冶炼品种钢技术领域，包括如下质量百分比的原料：电熔致密刚玉45～55%，电容镁铝尖晶石20～26%、电容轻烧氧化铝7～13%、碳化硅2～7%、高纯度金属硅粉1～3%、高纯度石墨6～10%、白刚玉8～12%，还包括以下具体制备步骤：S1、材料的预处理，将所有原料进行低温干燥处理；S2、原料的混料混炼，将所有原料投入到混料机内进行混合，之后在装有原料的混料机内加入结合剂进行混炼得到泥料；S3、泥料的干燥；S4、产品的成型烧制，得到成品；S5、检测及涂层，本发明根据品种钢的特点预制梁要求，克服塞棒在使用时发生冲刷和增碳而污染钢水的品质，保证连铸生产的正常进行。
Scouring-resistant low-carbon long-life stopper rod and preparation method thereof
The invention provides a scour-resistant low-carbon long-life stopper rod and a preparation method thereof, and belongs to the technical field of smelting variety steel, the scour-resistant low-carbon long-life stopper rod comprises the following raw materials by mass: 45-55% of electro-fused compact corundum, 20-26% of capacitance magnesium aluminate spinel, 7-13% of capacitance light-burned alumina, 2-7% of silicon carbide, 1-3% of high-purity metal silicon powder, 6-10% of high-purity graphite, and 8-12% of white corundum, the preparation method further comprises the following specific preparation steps: S1, material pretreatment: performing low-temperature drying treatment on all the raw materials; s2, the raw materials are mixed and mixed, all the raw materials are put into a mixing machine to be mixed, then a binding agent is added into the mixing machine containing the raw materials, mixing is conducted, and pug is obtained; s3, drying the pug; and S4, molding and firing the product to obtain a finished product. According to the characteristics of variety steel, the requirement of a prefabricated beam is met, the defect that molten steel is polluted due to scouring and recarburization when a stopper rod is used is overcome, and normal proceeding of continuous casting production is guaranteed.
本发明提供一种耐冲刷低碳长寿命塞棒及其制备方法，属于冶炼品种钢技术领域，包括如下质量百分比的原料：电熔致密刚玉45～55%，电容镁铝尖晶石20～26%、电容轻烧氧化铝7～13%、碳化硅2～7%、高纯度金属硅粉1～3%、高纯度石墨6～10%、白刚玉8～12%，还包括以下具体制备步骤：S1、材料的预处理，将所有原料进行低温干燥处理；S2、原料的混料混炼，将所有原料投入到混料机内进行混合，之后在装有原料的混料机内加入结合剂进行混炼得到泥料；S3、泥料的干燥；S4、产品的成型烧制，得到成品；S5、检测及涂层，本发明根据品种钢的特点预制梁要求，克服塞棒在使用时发生冲刷和增碳而污染钢水的品质，保证连铸生产的正常进行。
Scouring-resistant low-carbon long-life stopper rod and preparation method thereof
一种耐冲刷低碳长寿命塞棒及其制备方法
YANG YINGJIE (author) / WANG QINGXIAN (author) / YU HAIYANG (author) / ZHANG KE (author)
2023-05-02
Patent
Electronic Resource
Chinese
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