硅钢资料

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 ... 

本发明揭示了一种无取向硅钢及其生产方法。所述生产方法包括：按照Si0.8～1.1％、Mn0.2～0.4％、不添加Sn和Sb进行炼钢，并制坯；将铸坯加热到1060～1120℃并保温150min以上，而后轧成厚度40～45mm的中间坯，再经精轧、卷取得到厚度为3.00±0.25mm的热轧卷板，精轧开轧温度≤872℃+1000*(11*[Si]‑14*[Mn]+21*[Al])；精轧终轧温度≤820℃，卷取温度≤560℃；常化、酸连轧，得到厚度为0.500±0.005mm的冷硬卷，常化温度850～900℃；成品退火温度820～880℃，退火后经冷却、涂层和精整，得到无取向硅钢。

选用Q235和Q345钢,在纯锌浴和含钛量分别为0.05%、0.10%、0.15%、0.20%(质量分数)的合金浴中浸镀0.5、1、3、5、8 min。利用扫描电子显微镜和能谱仪研究了钛对热浸镀锌组织和生长动力学的影响,并提出钛对含硅钢铁锌反应抑制作用的机理。结果表明:钛的加入缩短了Γ的孕育期,促进了合金层中δ的生长和ζ的消失,δ的生长依然受扩散控制,呈抛物线生长规律;Zn-0.05%Ti锌浴可以很好的抑制高硅钢的硅反应性;含硅钢热浸镀锌钛合金浴时,在锌浴中会形成锌铁钛三元T相,该相能吸收ζ晶界处富集的硅,从而抑制了铁锌反应。 Both Q235 and Q345 steels were immersed for 0.5 to 8 min in Zn bath with different amount of Ti,ranging from 0 to 0.20 mass%,for galvanization.The effect of Ti in Zn bath on microstructure and growth kinetics of hot-dip galvanizing coatings on the two steels were investigated by means of SEM and EDS analysis.Base on the experiment,the mechanism of Ti additions in controlling Fe-Zn reaction was proposed.The results show that addition of Ti in the zinc bath decreases the incubation time of Γ phase... 

本发明公开了一种含铝无取向硅钢中残余元素的控制方法。工艺流程包括KR脱硫‑转炉冶炼‑RH处理‑连铸。转炉控制合理的炉料结构，采用多渣吹炼，挡渣出钢。所用废钢中Ti、V、Nb等残余元素的质量分数之和≤0.005％，废钢和铁水的比例为0.2‑0.3。转炉吹炼终点炉渣成分中Ti、V、Nb等残余元素的氧化物含量之和为0.1‑0.5％，出钢后钢包顶渣厚度为50‑60mm；RH脱碳、脱氧、合金化后，净循环时间≤5min。通过本发明的实施，含铝无取向硅钢成品中Ti、V的含量≤0.002％，Nb含量≤0.001％，硅钢的磁性能显著提高。

基于TEAM(Testing Electromagnetic Analysis Methods)Problem 21基准模型和不同类型的磁化曲线Bm-Hm及Bm-Hb数据,分别在50 Hz至200 Hz的频率范围内计算了基准模型的硅钢叠片内的损耗及磁通,并考虑集肤效应和材料的电-磁各向异性的影响。数值计算结果与实验测量结果具有很好的一致性。提出的有限元建模方法和基于模拟结果的分析、结论有助于提高大型电力变压器的电磁设计的有效性。 Based on TEAM(Testing Electromagnetic Analysis Methods) Problem 21 standard model and the different B-H(such as Bm-Hm and Bm-Hb) curves,the iron loss and magnetic flux inside the grain-oriented(GO) silicon steel lamination are modeled under different frequency(from 50 Hz to 200 Hz) in this paper,And the influences of skin effect and electric-magnetic anisotropy on the numerical simulation results have been examined.The calculated and measured results with respect to the model are in good agreeme... 

本实用新型公开了一种用于硅钢片的焊接工装夹具，它包括底座，所述底座包括底板（1）、固设于底板（1）顶表面上的左挡板（2）和右挡板（3），左挡板（2）与右挡板（3）之间固设有位于底板（1）上的挡条（4），挡条（4）的前端面上设置有止口（5），左挡板（2）的前端部铰接有压杆（6），所述底板（1）的顶表面上且位于其左侧放置有压条（7），底板（1）的顶表面上且位于其右侧固设有限位条（8），压条（7）与限位条（8）之间设置有多个紧靠于一起的定位块（9），每个定位块（9）均放置于底板（1）的顶表面上。本实用新型的有益效果是：结构紧凑、提高硅钢片组件焊接质量、提高硅钢片组件生产效率、操作简单。

以太钢热连轧厂的硅钢为研究对象,利用凸度仪测量热轧带钢出口凸度值,采用矩阵和失效模式的分析方法了解影响带钢凸度变化的主次因素。研究结果表明:通过有效控制轧制过程中的加热温度、时间及采用合理的辊型,硅钢凸度精度提高了4.34%左右。 In this paper,we take the hot-rolled silicon steelsheet of Taigang as the research symbol,exit profile was measured by convex instrument,the primary and secondary factors that affect the strip profile were measured by using matrix and failure mode analysis methed.The results indicate that convexity accuracy has significantly improved by nearly 4.34% through the effective control of the heating temperature,heating time and the use of correct roller type in the process of hot rolling. 

以市场上购买的取向硅钢成品板为原料，经不同压下率冷轧至0.23～0.08 mm不等。借助X射线衍射仪(XRD)检测了冷轧后样品中的织构组分及其含量，利用电子背散射技术(EBSD)测量了试样的取向因子分布情况。观察了孪晶的形貌与晶体学特征，分析了硅钢超薄带的塑性变形行为。结果发现，在平面压缩应力下，{112}<111>滑移系的取向因子较大。随冷轧压下率的增加，Goss织构的含量逐渐减少，{212}<141>织构组分的含量先增加后减少，{111}<112>织构组分的含量逐渐增加，织构组分以{110}<001>→{212}<141>→{111}<112>顺序演变。冷轧后样品中出现了孪晶，其晶体取向为{001}<110>,冷轧过程中孪晶取向没有发生变化。 The commercial finished oriented silicon steel plate as the raw material were rolled to 0.23-0.08 mm. With the X-ray diffractometer(XRD), the texture components and their volume fractions in the cold-rolled samples were detected. And the orientation factor distribution of the cross-section of the samples was measured by the electron backscattering technique(EBSD). The morphology and crystallographic characteristics of twins were observed, and the plastic deformation behaviors of the ultra-thin o... 

本发明属于酸洗设备技术领域，具体涉及一种硅钢生产用酸洗设备，包括酸洗池、放卷机构和收卷机构，酸洗池被依次分隔为第一酸洗腔、第二酸洗腔、浸泡腔和喷洗腔；第一酸洗腔和第二酸洗腔内滑动连接有刷洗架，浸泡腔内滑动连接有定位架，喷洗腔内滑动连接有喷洗架；刷洗架、定位架和喷洗架上均转动连接有多根转辊，转辊上设有刷毛；刷洗架和喷洗架上设有用于驱动转辊转动的驱动件；喷洗架上的转辊开有空腔和多个与空腔连通的喷孔，喷洗架上开有与空腔连通的通道和与通道连通的进水口；喷洗腔的底部和侧壁设有多个喷头；酸洗池内转动连接有多根位于第一隔墙上方的刷辊。在本方案，通过酸洗以及充分的刷洗，能够充分有效的除去硅钢表面的氧化皮。

研究了激光加热辅助圆盘剪高速切割技术,以解决现有冷轧生产线硅钢切边技术存在的微裂纹、应力、毛刺和边浪等问题。建立了激光加热温度场有限元分析模型,根据生产线上圆盘剪加工的实际过程,探讨了数值模拟中热源的加载形式,研究了激光对板材进行辅助加热时各个工艺参数如激光功率、光斑尺寸以及激光入射角度对切割工艺的影响,并通过实验对工艺参数进行了优化。最后,进了验证实验。实验结果显示:当激光加热点运动至圆盘剪刃口位置时,温度为100℃左右,此时材料硬度降低到原有硬度的70%~80%,降低了切削力,减少了圆盘剪的磨损,可有效提高圆盘剪的寿命。 Laser assisted trimmer side cutting technology was studied to overcome the problems such as micro cracks,stress,burrs and edge waves existing in a cold rolling production line of silicon steel side cutting.A finite element analysis model for the laser hearting temperature field was established, the loading form of a heating source was determined and influences of various processing parameters like laser powers,spot sizes,and laser incident angles on laser assisted heating sheet materials were di... 

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。

以轻烧氧化镁粉为原料,经消化、碳化制得重镁水,在热解反应前采用络合剂对重镁水中的杂质钙、铁进行络合掩蔽,再经热解得到碱式碳酸镁,碱式碳酸镁经煅烧可制得钙、铁杂质含量较低的氧化镁。在重镁水络合除杂过程中,考察了络合剂三乙醇胺、柠檬酸、草酸单独和复合使用的除铁、除钙效果。以三乙醇胺为络合剂时,在200 mL重镁水中加10 mL三乙醇胺(1∶1),氧化镁产品中w(氧化镁)=99.3%、w(氧化钙)=0.31%、w(氧化铁)=0.042%;使用草酸和柠檬酸作为复合络合剂时,在200 mL重镁水中加入1.0 g柠檬酸和2.0 g草酸,氧化镁产品中w(氧化镁)=98.2%、w(氧化钙)=0.24%、w(氧化铁)=0.030%。 Light-burned magnesia as a raw material was hydrated and carbonated to obtain magnesium bicarbonate liquor.Before the pyrolyzing of magnesium bicarbonate liquor,complexants were used to cover Fe and Ca impurities.Then the treated liquid was pyrolyzed to obtain basic magnesium carbonate which was calcined to magnesium oxide with low calcium and iron content.During the complexing purification of magnesium bicarbonate liquor,the Fe and Ca removing effects of single or compound complexing agents,suc...