保护渣

含碳材料对连铸保护渣熔化速度影响的研究

Study on melting speed of continuous casting mold powder

由于保护渣对铸坯质量和连铸工艺的顺行有着重要的影响，因此冶金工作者非常重视对保护渣的研究。

Because the mold powder has a great impact on the quality of steel and the condition of continuous casting , many metallurgists attach importance to the research of mold powder .

含B2O3无氟连铸保护渣物理性能的研究

A Study on Physical Properties of Free Fluoride Mould Powder Containing B_2O_3

不锈钢连铸保护渣中B2O3作用机理的探讨

Mechanism of b_2o_3 in the mold powder during continuous casting of stainless steel

含Li2O方坯连铸结晶器保护渣在低硅铝镇静钢中的应用

Practice of Li2O-contained mould powder for low silicon Al-killed steel billet

Na2O对连铸保护渣熔化性能的影响

Influence of Na_2O on continuous casting mould fluxes melting properties

CaF2和B2O3对结晶器保护渣物理性能影响的对比研究

Comparative Study on Effect of CaF_2 and B_2O_3 to Physical Properties of Casting Powder

MgO和Li2O对预熔型无氟连铸保护渣熔化温度的影响

Influence of MgO and Li_2O on Melting Temperature of Free Fluoride Premelted Continuous Casting Mold Fluxes

TiO2对连铸保护渣非等温结晶过程的影响

The Effects of TiO_2 on Nonisothermal Crystallization Process of Mold Fluxes

结晶器保护渣吸收TiO2夹杂物的动力学研究

A Study on Kinetics of TiO_2 Inclusion Absorbed by Mold Fluxes

碳和TiO2对保护渣流动性的影响

Effect of Carbon and TiO_2 on Fluidity of Mold Flux

BaO对连铸保护渣熔化行为和结晶矿相的影响

Influence of BaO on Melting Behavior and Crystalline Phase of Concasting Mold Powder

BaO含量对结晶器保护渣润滑和传热行为的影响

Influence of BaO Content on Lubrication and Heat Transfer Behavior of Mould Powder

Al与Si添加剂对Al2O3-C材料抗保护渣侵蚀的影响

Effect of Al and Si additives on corrosion resistance of al_2 o_3-c refractories in mold cover flux

BN对超低碳钢连铸保护渣性能的影响

Influence of BN on ultra-low carbon steel continuous casting mold fluxes properties

另外，为得到熔化规律的关键知识，用原位高温X射线衍射方法对结晶器保护渣的熔化过程进行了研究。

Additionally , the melting of mould powders has been studied in-situ using high-temperature X-ray diffraction , to gain crucial knowledge about melting relations .

酒钢CSP中碳钢结晶器国产保护渣的应用

The Application of CSP Medium-carbon steel Mould Powder

随Li2O含量的增加，保护渣的熔化温度、粘度和转折温度逐渐降低，析晶率逐渐升高。

When content of Li_2O increases , melting temperature , viscosity and break temperature decreases gradually , while crystallization ratio increases gradually ;

最后，通过岩相分析得出了保护渣在吸附Al2O3夹杂后结晶状态的基本变化情况。

At last , the basic model of the crystalline state after absorbing inclusions is given according to the analysis for the lithofacies analysis .

粘度为Al2O3吸收速率的主要控制因素。随着熔渣粘度的增加，连铸保护渣的Al2O3吸收速率逐渐减小。

It is proved that the viscosity is the main determinative factor for Al 2O 3 absorption rate .

BN对IF钢连铸结晶器保护渣理化性能的影响

Effects of BN on physical and chemical properties of the mold powder for IF steel

实验结果表明，Li2O是保护渣最为理想的助熔剂，其含量宜在2～5%之间；

The experimental results show that Li_2O is the optimal fusing agents , the content of it should be between 2 % and 5 % ;

采用Al2O3溶解速率测定仪测定了CaO-SiO2-Na2O-CaF2-Al2O3-MgO连铸保护渣系的Al2O3溶解速率。

The Al_2O_3 dissolution rate of casting mold powder CaO-SiO_2-Na_2O-CaF_2-Al_2O_3-MgO series has been measured by Al_2O_3 dissolution rate measuring apparatus .

运用热电偶温度数据，结合结晶器液面、保护渣、钢号、钢液C、S、P含量等数据用于板坯表面裂纹预报。

Using temperature , mold level , mold powder , steel grades , and carbon content , sulfur content and phosphorus content of liquid steel , it predicts the surface crack of the casting slab .

在保护渣中加入炭质材料，可以降低保护渣的U，从而抑制保护渣的烧结；

The sintering of mould flux can be restrained by adding carbon materials in mould fluxes due to the lowering of U of the mould flux ;

GX型模铸保护渣的研制与应用

Research on and application of GX series ingot casting powder

在本实验渣系条件下，连铸保护渣的结晶温度随着渣中CaO/SiO2、Na2CO3含量、CaF2含量和MgO含量的增加而升高，随着渣中Al2O3含量的增加而降低。

Crystallization temperature rised with increasing CaO / SiO2 , Na2CO3 content , CaF2 content MgO content and decreasing Al2O3 content .

ZnO、NiO、TiO2对保护渣的熔化温度影响都不大，但都有降低粘度和转折温度的作用。

Additions of ZnO , NiO , TiO2 have a negative effect on viscosity and break-temperature , but a little positive effect on melting temperature .

用商业软件Fluent对弯月面处保护渣的流场分布和弯月面受力情况进行了数学模拟和分析。

The math modeling of distribution of flux flow field and analysis on pressure of meniscus in mold have been carried out by commercial software Fluent .

结果表明，液态保护渣有剩余碳以及含钛钢中的Ti氧化生成TiO2进入保护渣后均会恶化保护渣的流动性能。

The results showed that residual carbon in flux and TiO_2 in flux which was produced by Ti oxidation in Ti bearing steel led to worse fluidity of mold flux .