钢厂
6.5%Si硅钢的制备技术和发展前景
6.5%Si硅钢具有优异的磁学性能和广泛的应用前景。本文综述了6.5%Si硅钢的物理、机械及磁学特性,讨论了传统轧制、温轧、薄带连铸、快速凝固、CVD、粉末轧制等不同制备工艺的关键技术及特点,概括了6.5%Si硅钢在高效节能电机、汽车马达及磁屏蔽等领域中的主要应用,介绍了硅钢的制备技术取得的研究进展,并指出了其广阔的发展前景。 6.5% Si silicon steel has good magnetic properties and wide applications.In this paper physical and mechanical magnetic properties were summarized,and key technology and characteristic of several preparation methods,such as traditional rolling,warm rolling,thin strip continuous casting,rapid solidification,CVD and powder rolling,were discussed.Main applications of 6.5% Si steel in the fields of high-efficiency electrical motors,automobile motors,transformer cores and magnetic shielding were gene...
冷轧无取向硅钢的边缘降控制优化研究
某冷连轧机生产无取向硅钢板材时,其边缘降的长度合格率频繁超标。为满足用户的叠片厚度精度要求,这类产品必须以增大切边量的方式来保证交货质量,而这种方式又直接降低了金属收得率,提高了生产成本。基于此,以该产线现有设备特性为基础,详细分析其软、硬件功能模式,分别对辊形与反馈控制进行全面分析与优化改进。通过现场试验论证,充分明确依托辊形优化与反馈控制程序的改进能显著提高边缘降的控制水平,该技术的使用为生产现场的边缘降控制提供了合理的技术支撑。 A cold rolling mill production of non-oriented silicon steel sheet,the thickness difference of the edge( edge-drop) is usually exceed the preset standard value,In order to meet the accuracy requirements of the user flatness,these production must be trimed wider length to meet the delivery quality of the user need, which directly reduce the metal yield and increase the manufacturing cost. Therefor,the software and hardware of the production line has been analyzed, and the work roll shape and feed...
取向硅钢的晶体衍射花样特征研究
广泛应用于电子电力行业的取向硅钢材料的磁性能与其晶体取向密切关联,对取向硅钢晶体衍射花样的研究非常重要.采用理论计算的方式研究了取向硅钢的晶体衍射花样特征,并绘制了取向硅钢的高斯织构理论极图、理论单晶透射电子衍射斑点花样和理论电子背散射衍射(Electron backscatter diffraction, EBSD)菊池花样.取向硅钢理论单晶衍射花样不仅可以为以后标定样品实测晶体衍射花样提供一种简单快捷的方法,也可以为样品检测提供一种标准.这种研究方法不仅限于取向硅钢,也被期待应用于其他材料晶体衍射花样研究. The magnetic properties of oriented silicon steels which are widely used in electronic and power industries are closely related to their crystal orientations, so it is very important to study the crystal diffraction patterns of oriented silicon steels. The characteristics of crystal diffraction patterns of oriented silicon steels are studied by means of theoretical calculation. The theoretical pole figures, theoretical single crystal transmitted electron diffraction patterns and theoretical elec...
CN202080094655.3无取向电工钢板及其制造方法
根据本发明的一个实施例的无取向电工钢板,以重量%计,所述钢板包含Si:1.5%以下、C:0.01%以下且0%除外、Mn:0.03至3%、P:0.01至0.2%、S:0.001至0.02%、Al:0.01%以下且0%除外、N:0.005%以下且0%除外、和Cu:0.02至0.3%,Ca和Mg各自单独或以合计含量包含0.0001至0.005重量%,Sb和Sn各自单独或以合计含量包含0.001至0.2重量%,余量包含Fe和不可避免的杂质。
云边一体化系统架构下硅钢制造管理业务数字化融合应用
提出以“云边一体化架构”构建硅钢智慧决策系统,来解决原硅钢制造L1~L5系统架构模式下的数字信息孤岛、业务功能割裂等问题。在此基础上,开发了云边协同的自学习型控制模型及业务决策模型,构建起硅钢“智慧大脑”,形成了以研发、制造、服务等核心业务数字化融合的智能化决策支持新模式,探索出一条钢铁制造业数字化、智能化转型之路。 SIDS(Silicon-steel Intelligent Decision-making System)based on \"cloud-edge integration architecture\" was proposed to solve the problems of data silos and business function fragmentation in the original L1~L5 system architecture.On this basis,the self-learning control model and decision-making model of cloud-edge collaboration were developed,the \"smart brain\" of silicon steel department was constructed,and a new intelligent decision-making support model of digital integration of core businesses s...
CN202110018336.0控制无取向硅钢厚度稳定性的轧制工艺
本发明公开了一种控制无取向硅钢厚度稳定性的轧制工艺,涉及硅钢厚度控制方法领域。本发明通过降低硅钢精轧入口温度,并调节粗轧区域、精轧区域和卷取区域的生产参数,保证后续卷取工序的轧制稳定性及卷形质量,严格控制无取向硅钢的厚度稳定性。本发明提供的轧制工艺使硅钢的厚度命中率得到了明显提升,提升了后续冷轧工艺的轧制速度,轧制力波动减小,提高了产品质量。
CN202121006710.7一种电工钢出炉水雾冷却装置
本实用新型公开了一种电工钢出炉水雾冷却装置,包括冷却箱和电工钢本体,所述冷却箱的顶部内璧固定有等距分布的第一支管,且第一支管的一端固定连接有第一进水管,所述冷却箱的底部固定有对称分布的两个支撑板,且支撑板的相对侧外壁靠近顶端转动连接有等距分布的辊轮,所述冷却箱的底部内壁和支撑板的上表面均固定有第二支管,所述第一支管和第二支管的圆周外壁均固定有等距分布的喷头。本实用新型水雾分别进入第一支管和第二支管后,从喷头喷出,对电工钢本体的上下两面喷洒降温,水雾均匀的附着于电工钢片的表面,并实现冷却作业,提高冷却效率,也保证了硅钢片的质量,避免硅钢片表面冷却不均匀致使厚度不一。
免常化处理的耐酸蚀无取向电工钢的研制
在现普通冷轧无取向硅钢的基础上,降低Si含量,复合添加少量辅助元素,组合热轧板处理和成品退火加热技术,研制出了免常化处理的高磁感、低铁损并具有良好耐酸腐蚀性能的新系列无取向电工钢。 Based on existing common cold rolled non-oriented silicon steel,a new series of non-orientedelectrical steel with high induction,low core loss and excellent anti-corrosion property has been developed by reducing Si element,adding complexly a small amount of supplementary elements,and employing combined treatment of hot rolled sheet and finished product annealed heated technology.
CSP流程试制50W270高牌号无取向硅钢织构的演变
研究了CSP流程试制50W270高牌号无取向硅钢热轧→常化→冷轧→退火过程中织构的演变.利用电子背散射衍射技术对全流程织构进行测量和分析.发现热轧板织构在厚度方向上存在较大差异,表层主要为铜型、黄铜和高斯织构,1/4层存在微弱的高斯织构和旋转立方织构,中心层以γ纤维织构和旋转立方织构为主,还含有较弱的α纤维织构.与热轧板相比,常化板表层和1/4层织构变化不大,中心层旋转立方织构和α纤维织构增强.冷轧板各层均具有α纤维织构和γ纤维织构.与冷轧板相比,成品板各层中α纤维织构基本消失,还出现了立方织构和高斯织构. This article focuses on texture evolution in 50W270 high-brand non-oriented silicon steel produced by CSP in hot rolling,normalizing,cold rolling,and annealing processes.The texture in the whole process was measured and analyzed by electron back-scatter diffraction.It is found that the texture along the thickness direction in hot-rolled strips changes obviously;there are mainly copper,brass,and Goss textures in the surface layer;the 1/4 layer has weak Goss texture and rotating cube texture;γ-fib...
无取向硅钢夹杂物分析
采用非水溶液电解方法来提取无取向硅钢中夹杂物。通过扫描电镜(SEM)观察结果表明:无取向硅钢中主要夹杂物为六棱柱的AlN、不规则硅酸盐及球状的铁的硫化物和氧化物,其中AlN夹杂尺寸在1~5μm,数量较多,还有部分AlN的复合夹杂。进一步研究了AlN复合夹杂形成机理,采用了Thermo-Calc热力学计算软件计算出该钢样中AlN、MnS析出温度分别为1 240℃、1 200℃,而Al2O3析出温度大于1 800℃,从而为AlN复合夹杂形成机理提供了一个理论依据。 Extracting inclusions from non-oriented silicon steel in non-aqueous electrolysis is a nondestructive method to gain inclusions.Scanning electron microscopy shows that the main inclusions in non-oriented silicon steel were hexagonal AlN,which was of large quantity,irregular silicate,spherical iron sulfide and oxide.The size of AlN inclusions ranged from 1to 5μm,and there were some duplex inclusions of AlN.To further study the formation mechanism of AlN duplex inclusions,Thermo-Calc thermodynamic...
CN202111332457.9一种无取向硅钢用涂层溶液及其制备方法和应用
本发明提供一种无取向硅钢用涂层溶液及其制备方法和应用,以所述无取向硅钢用涂层溶液的总质量为基础计,所述无取向硅钢用涂层溶液包括如下质量百分含量的原料组分:磷酸盐溶液55%~60%;树脂溶液20%~25%;二乙二醇丁醚2%~4%;改性剂3%~5%;余量为水。由本发明所述无取向硅钢用涂层溶液形成的绝缘涂层厚度均匀,表面光滑,具有优良的绝缘性、耐腐蚀性、附着性,而且硅钢片的冲片性能好、叠片系数高。

