硅钢资料

结合冶炼无取向硅钢的生产实际,对钢中硫的来源,以及炉渣性质、钢水温度、底吹强度对脱硫的影响进行了分析。研究表明,转炉钢中硫的主要来源为铁水、废钢、铁水渣及石灰带入;冶炼硅钢时,终渣碱度为3.0~3.5,w((FeO))≤20%,终点钢水温度大于等于1 680℃,加大底吹搅拌强度能提高转炉脱硫效果。硅钢平均出钢硫的质量分数为0.004 8%,能满足无取向硅钢对硫含量的要求。 With the actual production of non-oriented silicon steel,the source of sulphur and the effect of metallugic parameters like slag properties,temperature of molten steel and bottom stirring on desulphurizing ability were investigated.The results show that the main source of sulphur is molten metal,scrap,the remaining slag volume in hot metal and lime.The degree of desulphurization for smelting silicon steel can be increased through adopting the following measures,such as the basicity of finishing ... 

针对攀枝花钢钒有限公司难以稳定生产w(S)≤0.006%高级别电工钢的问题,通过开发RH脱硫剂、钢包渣改性及工艺参数控制,形成了RH脱硫系统工艺技术。经工业试验表明,采用该工艺技术后,钢水脱硫率最高达到42%,成品w(S)控制在0.005%以下,全氧、氮含量也得到了较好的控制,且脱硫剂没有引起钢水增碳,满足高级别电工钢的生产要求。 In light of the difficulty of production of high level electrical steel w(S)≤0.006 % steadily in Panzhihua steel & vanadium Co.,Ltd.the process technology of RH desulfurization system has been formed by developing the RH desulfurizer,modifying the ladle slag and controlling the process parameters.Industrial experiments show that the desulfurization rate of hot metal rises to 42 % and the w(S) of the finished products is controlled in below 0.005 % and total oxygen and nitrogen contents are a... 

磁性能指标是硅钢产品最关键的质量指标之一，但是目前磁性能判定100%依赖于样品的离线实验室检测结果，生产线配置的在线检测仪的测量结果由于精度问题，不宜直接用于成品牌号判级。本文在现有硅钢产品质量管控体系基础上，利用大数据技术对生产数据进行分析与建模，构建不同磁性能指标在线检测模型，并在现有信息系统上完成模型库的集成部署，实现硅钢产品全长、多指标磁性能结果的拟合数据输出，支撑取样优化、精准分切、辅助综合判定等功能应用，进一步优化硅钢产品质量管控体系。 The magnetic performance index of silicon steel products is one of the most critical quality indexes.However,at present,100%determination of magnetic performance depends on the offline laboratory test results of samples,and the measurement results of the online detector configured in the production line cannot be applied in practice due to the accuracy problem.Based on the existing quality control system of silicon steel products,big data technology was used to analyze and model the production d... 

聚焦无取向硅钢产品标准,从电磁性能、表面性能、机械性能以及尺寸公差与边部质量等维度对国际标准IEC、EN、JIS、ASTM以及国标GB进行了分析研究。分析得出,各类标准在电磁性能方面要求基本一致;ASTM标准的机械性能要求有别于其他几个标准。 In this paper,non-oriented silicon steel standards of EN,JIS,GB and ASTM were compared and analyzed. It is showed that,all types of standards in electromagnetic performance requirements are basically the same. Surface properties in ASTM standard are expressed in the most detailed. The mechanical properties requirements of the standards,except for ASTM,are basically the same. 

本发明公开了一种极薄取向硅钢铁芯及其制造方法，所述制造方法，包括：S1、剪切分条：将取向硅钢根据制作铁芯的宽度要求进行分条剪切；S2、卷绕：根据铁芯的规格型号要求，选取铁芯模具进行卷绕；S3、压块固定：将卷绕好的铁芯用压块固定；S4、退火加工：将固定好的铁芯，阶梯式升温至780℃保温3h退火处理，保护气氛为氮气，之后冷却降温；S5、浸胶：将降温后的铁芯，进行真空浸胶处理；S6、烘干：将浸胶处理后的铁芯烘干处理；S7、装配。该发明制造的极薄取向硅钢铁芯，能彻底消除内应力，磁路各处均无高磁阻存在，空载电流与励磁电流均大幅度下降，从而最大限度的恢复了极薄取向硅钢加工后原有择优取向织构及电磁性能。

介绍了攀钢冶炼电工钢过程硫含量变化以及过程回硫、增硫情况,采取针对性措施,如:提高铁水装入量、转炉采用石英砂代替复合造渣剂造渣、RH脱硫等,降低钢中硫含量。结果表明:采取相应措施后,电工钢炼成率大幅提高,成品w[S]≤0.008%的比例由改进前的62%提高到92.4%,取得了明显的冶金效果。 The resulfurization and the change of sulphur content in production of electrical steel is analyzed.The targeted measures have been taken,such as increase the loaded quantity of liquid iron,quartz sand replaces the composite slagging agent in the converter and RH desulfurization to decrease the sulphur content of the steel.The result shows,after the measures have been taken,the finished product ratio of electrical steel increase a lot.The ratio of sulfur content of finished product no more than ... 

本实用新型属于冷轧硅钢技术领域的一种冷轧硅钢无压回水自动控制设备，包括底座，底座外表面的上端固定连接有工作台，工作台外表面上端的两侧分别固定连接有固定柱和压辊主体，工作台外表面上端的中部滑动连接有移动架，压辊主体的下端设置有集水槽，集水槽的内表面设置有浮球液位传感器。液压杆工作推动移动架位移到合适的位置，再通过气缸使伸缩管发生位移，使出水口接近钢板，设置的水箱高于出水口所以水可以在重力的作用下流淌，流出的水流到集水槽内，水流在集水槽内聚集，水流使浮球液位传感器的浮球上升，上升到合适的位置时，浮球液位传感器通过电缆发生电信号至控制器，此设置可以实现设备的自动控制，省去人工进行操作。

通过制备磷酸二氢铝硅钢涂层,研究了氧化锌对无铬涂层耐盐雾性能、电化学性能和附着性的影响。结果表明,硅钢表面涂层含有4.0%的氧化锌时,涂层具有最高的耐腐蚀性能和电化学性能,而且其致密表面最为平整,没有裂纹出现。 The effects of ZnO on the salt spray resistance property, electrochemical performance and adhesiveness of silicon steel insulating coating were studied. The results show that the best corrosion resistance and electrochemical properties can be obtained when the coating contains 4.0% oxide zinc, and the dense surface is smooth without cracks. 

【作者】 杨洪林； ...

本实用新型公开了一种硅钢板带加工用表面成型设备，包括底座，所述底座的上端固定连接有底部支撑架，所述底部支撑架的上端固定连接有机体，所述机体的上端固定连接有密封盖。本实用新型在打磨过程中，水泵可以将过滤箱内的冷却液通过进液机构上的进液管泵入到进液机构内，再经过进液孔进入到第二转轴内，再进入到打磨辊筒内，最后经过喷头喷到钢带表面，对钢带表面进行冷却，且可以将打磨下来的粉末带走，防止粉末飘散；冷却在喷出后，经过集液斗的收集，进入到过滤箱内，在过滤箱内设置过滤网可以对冷却液进行过滤，从而可以对冷却液进行重复使用。

本发明提供一种优化无取向硅钢连续退火工艺的铁损预测方法，步骤包括：S1.建立预测模型回归方程表达式；S2.将无取向硅钢中的硅、锰、铝质量含量及预设的退火速度、退火温度代入S1中的回归方程表达式中进行计算；S3.将步骤S2计算得到的预测值与目标值进行比较，如果预测值在目标值的允许误差范围内，则按照预设的退火速度、退火温度进行生产；否则对预设的退火速度、退火温度进行调整，直至预测值能够达到目标值的要求后再进行生产。本发明提供的模型能够提高产品质量，对优化无取向硅钢连续退火工艺具有指导意义。

热轧轧制工艺对产品性能和轧制稳定性影响很大,对中低牌号无取向电工钢,当在两相区轧制时,热轧塑性明显降低,板形变坏,易出现边裂等情况。以50W1000为例,通过对其变形抗力进行研究,得出把两相区控制在F4与F5之间为最佳轧制工艺的结论。在此基础上制定了一套较为合理的热轧工艺制度。采用新的轧制工艺后,50W1000热轧精轧的稳定性明显改善,热轧产品合格率由开发初期的40%左右提高到95%以上。 The hot rolling process has great influence on product′s performance and rolling stability.For the low medium grade non-oriented electrical steel,when non-oriented electrical steel is rolled in tow phase region,the hot rolling plasticity reduces obviously,the shape of strip goes bad and easily to crack at the edge.The deformation resistance of 50W1000 steel was investigated.The results show that the optimal rolling process is to control the two phase region between F4 and F5.Based on the results...