硅钢资料

硅钢工业退火炉温度控制具有强耦合、纯滞后、多扰动等特点,它的控制方法代表着一类非线性系统控制的解决方法。以硅钢工业退火炉温度为控制对象,在双交叉限幅控制的基础上引入了智能学习系统,形成了基于智能学习系统的双交叉限幅控制方法来解决此类非线性系统的控制问题,并通过模块化的编程来实现其功能。结果表明:与传统的PID控制相比,该控制方法的控制精度、抗扰性等控制指标有明显提高,是解决此类非线性控制的一种有效方法。 The temperature control of silicon steel industrial annealing furnace has the features of strong coupling,pure lag,multidisturbance. The control method represents the solution of a class of nonlinear control systems. The control object is the temperature control of silicon steel industrial an-nealing furnace, the intelligent learning system based on Double Across Limit Control is introducedand used to solve control problem of this kind of nonlinear system, and the module programming isused to re... 

对应用动态加热进行短时温度退火的取向电工钢进行了二次再结晶研究。所进行研究的实验用取向电工钢是经过终冷轧和后续罩式退火后的一条工业化生产线生产的。研究结果表明,运用短时热处理条件可引起研究钢完全的异常晶粒长大。在实验室处理的材料的织构和金相组织与工业化生产的经过终退火而获得的相同的取向电工钢类似。但是,在实验室处理的取向电工钢的二次再结晶的矩阵中可观测到\"寄生\"晶粒。从磁性观点看,这些\"寄生\"晶粒含有不理想的{111}取向织构。 The present study was made to investigate secondary recrystallization in grain-oriented steels annealed at short time temperature exposures with application of dynamical heating.The investigated GO(Grain Oriented) steels for experiments were taken from one industrial line after final cold rolling reduction and subsequent box annealing.It was shown that application of short time heat treatment conditions could lead to complete abnormal grain growth in the investigated GO steel.The texture and mic... 

热卷箱位于热连轧带钢生产线粗轧与精轧机之间,是热连轧生产中比较理想的中间保温设备。由于取向硅钢变形温度区间较窄,在生产中易出现边裂现象,同时中间坯的边部温度难于得到保证,因此一般不采用热卷箱设备生产,限制了传统热连轧生产线产品开发的品种。通过合理优化热卷箱控制工艺参数,解决了某厂传统热连轧生产线用热卷箱生产取向硅钢的边部质量问题,成功地生产出取向硅钢带。 The hot coil-box is an ideal heat retaining apparatus for hot rolling,lined between roughing mill and finishing mill. But oriented silicon steel has a narrow deformation temperature range,so that the edge crack easily occurs and it is difficult to insure the temperature of the intermediate blank. Therefore,the hot coil-box is rarely used in producing oriented silicon steel,which restricts the product development of the traditional hot rolling line. The article reasonable optimized process parame... 

在15 kg真空感应炉上,用CaO-Al2O3-SiO2-MgO渣系进行脱硫试验,探讨了脱硫渣系碱度、MI、Al2O3、CaF2对脱硫效果的影响。研究结果表明,随脱硫渣系碱度、MI、Al2O3和CaF2含量的增加,脱硫率都呈现先增加后减少的趋势。初始硫含量为0.009 33%~0.010 73%,加入脱硫渣系4 min时间内表观脱硫速率为(0.000 96~0.001 49)%/min,平均脱硫率为81.2%,最高达86.8%。当脱硫渣中w(CaO)=58.15%、w(SiO2)=4.85%、w(Al2O3)=25%、w(MgO)=6%、w(CaF2)=6%,脱硫效果最好,此时钢液中硫为0.001 33%。 Experiments on desulfurization of molten steel using CaO-Al2O3-SiO2-MgO based desulfurization slag was carried out in a 15 kg vacuum induction furnace. The effects of desulfurization slag basicity,MI, Al2O3and CaF2on desulfurization of molten steel were studied. The results show that with the increase of basicity,MI,Al2O3or CaF2in desulfurization slag,the desulfurization rate rises initially and then decreases. In addition,as the initial sulfur content is 0. 009 33% ~ 0. 010 73%,the apparent des... 

一种无取向硅钢用轧制工作辊，属于轧机工作辊技术领域，该轧制工作辊，包括锥形曲面段和平直段，锥形曲面段包括弧形段Ⅰ和弧形段Ⅱ，弧形段Ⅰ的弧面内凹，弧形段Ⅱ的弧面外凸，弧形段Ⅱ和平直段与带钢接触，弧形段Ⅰ的一端水平向外延伸，弧形段Ⅰ的另一端与弧形段Ⅱ的一端相切，弧形段Ⅱ的另一端与平直段相切，本实用新型的有益效果是，该工作辊整体结构简单，轧制效率高，降低了辊耗，消除了工作辊边部的急剧弹性压扁、弹性变形，降低了轧制断带的风险，可有效控制钢带边部的边降和形状。

本文介绍了无取向硅钢C6涂液的性能,研究了配水量、固化程度和涂层厚度等因素对无取向硅钢C6涂层性能的影响。结果表明,随着配水量的增加,完全固化所需的时间增加,涂液固体含量降低,涂层厚度减小;随着固化程度的提高,涂层硬度先增大然后趋于恒定,而柔韧性逐渐变差,在过固化后急剧恶化;涂层厚度对涂层的表面外观、附着性和绝缘层间电阻均有显著影响。 Based on the introduction about the performance of C6 varnish for non-oriented silicon steel sheets,effects of water amount,curing degree and coating thickness are discussed. Results show that with the increase of water amount,the time required to cure completely extends,and both the solid content of C6 varnish and the coating thickness decrease. As the curing degree increases,the hardness of the coating increases first and then tends to be constant,however the flexibility degenerates,especially... 

本实用新型公开了硅钢片铁芯叠片机构，包括送料装置和叠片装置，送料装置包括有磁性传送带、送料件和第一定位杆，磁性传送带用于将已剪切的硅钢片传送至送料件，送料件安装于磁性传送带的下方，并且可沿磁性传送带的正交方向平行伸出，第一定位杆安装于送料件上，用于定位硅钢片，叠片装置设置于送料件的伸出的一方，包括有叠放台、第二定位杆和机械手，叠放台用于叠放硅钢片，第二定位杆用于定位硅钢片，机械手用于将送料件的硅钢片搬运至叠放台上，机械手包括有转动臂和取料单元，取料单元安装于转动臂的端部，包括有电永磁铁，电永磁铁用于吸取硅钢片。根据本实用新型的硅钢片铁芯叠片机构，可有效提高叠片速度，降低能耗，提高生产效率。

本实用新型涉及硅钢轧制油反应设备技术领域，尤其是一种硅钢轧制油专用反应装置，它包括反应罐，所述反应罐的内底部焊接有导热板，所述导热板的底面安装有安装壳，所述安装壳的内部固定安装有电热盘，所述反应罐的右侧面底部固定安装有温度传感器，所述反应罐内设置有搅拌机构，本实用新型通过设有温度传感器、电热盘和控制器，能够有效控制反应罐内部的温度，使其内部的温度能够达到设定的温度值，防止因温度过高而爆炸，提高了安全性，而且，通过由搅拌电机、搅拌轴、主搅拌叶、分搅拌叶和螺旋搅拌杆组成的新型搅拌机构，该搅拌机构的搅拌覆盖率大，搅拌效果较好，能够进一步加快物料间化学反应的速率，提高生产效率。

作为一种具有优异高频铁磁性能的合金,Fe-6.5%Si(质量分数)高硅钢在高频工况条件下降损效果明显,对电气行业应用器件高频化、小型化、节能等具有十分重要的意义。通过与取向硅钢测量B-P数据对比,验证了高硅钢高频超低损特性,且轧制高硅钢与日本CVD法生产高硅钢存在基本相同的铁损值。采用国标Epstein Square法对0.30mm高硅钢薄板进行单片测试,并对由0.30mm高硅钢薄板首次装配成的电感器进行铁损测试,对比测试结果表明,元件测试与单片测试数据基本吻合,高磁感应强度条件下,元件测试结果略低于单片测试,分析原因为:线圈引起励磁压降;元件叠片间出现短路,电流增大,损耗增加;气隙板厚度过大。 As one core material with excellent high-frequency ferromagnetism,Fe-6.5%Si performs obviously reduction on core loss in high field frequency which means much to high frequency,minimization,energy conservation in electric industry.Super low loss was verified by drawing B-P curves based on detected experimental data,and which went equal to Fe-6.5%Si thin strip fabricated by CVD in Japan.Fe-6.5%Si was firstly fabricated as inductor in this research,and its core loss was determined for comparison w... 

一种甩带法制备高磁性能含磷硅钢薄带的方法，属于合金材料领域。本发明以硅钢(Fe‑(3‑6.5)wt.％Si)块体为母合金，并添加一定量的硅铁合金及磷铁合金，放置于中频感应炉中，熔融后经快速凝固‑甩带、冷轧、热处理工艺，得到具有优异性能的含磷硅钢薄带。对于硅钢而言，P元素的少量加入能够有效的提升电阻率从而显著降低铁损，且具备优化软磁性能的作用。而采用甩带法能够充分利用其快速凝固的特征，从根本上避免了P元素在传统熔炼冷却过程中严重偏析的缺陷，极佳地保证了产品的组织优势与软磁性能。本发明具有操作简单、生产效率高、产品精度高、工艺流程短、无污染与夹杂、性能优异等优点。

本发明的取向性电磁钢板的制造方法能够稳定地制造被膜特性和磁特性优异的取向性电磁钢板。其包括：对含有规定的添加元素的钢坯进行热轧；冷轧制成最终板厚；进行脱碳退火；涂布以MgO为主剂的退火分离剂；进行最终退火，其中，上述退火分离剂的主剂的BET比表面积比率H2O/N2为0.6～1.6且浆料状态下粒径40μm以上的粒子的比例为5质量％以下。

采用双辊连铸工艺制备了硅的质量分数分别为0.5%,1.0%,3.0%,4.5%的硅钢薄带,用光学显微镜观察其组织,并研究了后处理工艺对薄带组织和性能的影响。结果表明:硅含量为0.5%和1.0%的薄带适合采用一次冷轧+850～950℃退火的后处理工艺,而硅含量在3.0%以上的薄带适合采用二次冷轧+950℃退火的后处理工艺;硅含量为3.0%和4.5%的薄带在冷轧并950℃退火后,其磁性能最佳,铁芯损耗约为4.30 W·kg^-1,磁感应强度约为1.68T。 Silicon steel thin strips with silicon content of 0.5wt%,1.0wt%,3.0wt%and 4.5wt%were prepared by twin-roll continuous casting process,and the microstructure of the strips were observed by means of optical microscopy,and on the basis,the effect of post-treatment process on microstructure and properties of the strips was studied.The results show that the post-treatment process of one-time cold rolling and annealing between 850—950℃was suitable for the strips with silicon content of 0.5wt%and 1.0wt...