硅钢资料

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：2.2至4.5％、Mn：0.5％以下且0％除外、Al：0.001至0.5％、Sn：0.07至0.25％和N：0.0010至0.0090％，余量包含Fe和不可避免的杂质。所述钢板包含从钢板表面向内存在的表层部和存在于表层部里面的中心部，中心部包含0.005重量％以下的N，所述表层部比中心部更包含0.001重量％以上的N，表层部的平均晶粒粒径为60μm以下，中心部的平均晶粒为70至300μm。

随着中国电工钢产量的增加,硅钢级氧化镁需求量不断增加,传统的以白云石为原料制备氧化镁的工艺已经无法满足市场需求。中国是一个卤水资源丰富的国家,因此,研究如何资源化综合利用盐湖资源变得越来越重要。硅钢级氧化镁是一种制备取向硅钢的涂层材料,主要用于取向硅钢高温退火处理阶段,起到隔离剂、绝缘膜层、脱硫、脱磷等作用。综述了制备硅钢级氧化镁的方法、工艺流程、研究进展及存在的问题,指出了硅钢级氧化镁制备技术的发展方向,并对中国卤水资源的利用提出了建议。 With the increasing output of electric steel,the demand for silicon steel grade magnesium oxide(MgO) is larger and larger in China,and the traditional MgO production process with dolomite as raw material has been unable to meet market demand.China is a brine resource-rich country,the study of how to comprehensively utilize salt lake resources has become increasingly important.As a coating material used for preparing oriented silicon steel,silicon steel grade MgO is mainly used in the process of ... 

介绍了烟气余热利用系统的工艺流程及控制思想,结合该系统在钢厂硅钢连续退火机组中的应用实践,估算出烟气余热利用系统每年可节约蒸汽5 040 t,经济效益良好,同时分析了该系统存在的问题及对策。 Introduced a method about the process and control of the application of waste heat system, which had been used into a silicon steel continuous annealing line and profiting a good economic benefit by saving a large number of steam every year, which has been estimated about 5 040 tons, and analyzed the problems and solutions existed in this system. 

对低温法生产的以AlN为主抑制剂的Hi-B取向硅钢高温退火过程进行了中断实验,借助EBSD及TEM技术对高温退火连续升温过程中织构与析出物的演变进行了研究。实验结果表明,800℃时ODF图出现高斯织构组分,但强度很弱,高斯晶粒偏离角在10°以上;950~1 000℃时高斯晶粒异常长大,偏离角3~6°;高温退火过程析出物主要有球形、规则立方形及不规则多面体形3种形貌,由于渗N的影响,Zener因子先增大再减小,并且析出物在高斯晶界前沿优先粗化。 The annealing process at high temperature of Hi-B silicon steel using low slab reheat temperature and with AlN as the inhibitor has been studied by interrupting test,and the evolution of texture and precipitates during continuous heating-up in the annealing process at high temperature was analyzed by EBSD and TEM. The results showed that Goss texture appears in ODF at 800 ℃,but the intensity of Goss texture was very weak and the deviation angle was more than10°. Goss grains grow abnormally durin... 

本实用新型公开了一种硅钢片加工装置，涉及到硅钢片加工装置技术领域，包括安装板，所述安装板的上表面两端均固定连接有固定板，所述安装板的上表面一侧固定连接有涂覆装置，所述安装板的上表面中部固定连接有压平装置，所述安装板的上表面另一侧固定连接有烘干装置，所述固定板的一侧底端通过轴承活动连接有传动辊。本实用新型通过在安装板的上表面一侧设置涂覆装置，涂覆装置对硅钢片的两面进行绝缘层涂覆，在安装板的上表面中部设置压平装置，压平装置包括两个压辊，压辊的一侧设置的限位块中部开设有螺纹孔，转动双向螺杆使得限位块运动，从而使得两个压辊之间的间距被调节，可以根据生产需求调节绝缘涂料的压平厚度。

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... 

【作者】 王磊； ...

运用电子背散射衍射(EBSD)和X射线衍射(XRD)技术对硅钢热轧板的织构在板厚方向的分布进行了研究,并分析了两种织构测量方法的特点。EBSD技术能直观给出板厚方向的微观织构,XRD能得到钢板的宏观统计织构信息,结合两种技术的分析,能更直观更精确的研究不同织构在板厚方向的分布。 The texture distribution along the thickness of the silicon steel has been investigated by electron backscatter diffraction(EBSD) and X-ray diffraction(XRD) technique.The characteristics of two technique of texture analysis have been investigated.Combined the two techniques,the texture distribution along the thickness of the silicon steel could be realized distinctly and accurately. 

本发明公开了一种降低取向硅钢铁损的方法。本发明所述方法包括如下步骤：(1)将取向硅钢样品腐蚀，清理后，拍摄得到晶粒分布图；(2)计算平均晶粒大小S，确定刻痕间距；刻痕间距与晶粒大小S的关系为：S＜600mm2时，刻痕宽度为5.0mm；600≤S＜1000mm2时，刻痕宽度为4.5mm；1000≤S＜1400mm2时，刻痕宽度为4.0mm，S≥1400mm2时，刻痕宽度为3.5mm。本发明通过计算不同来料晶粒大小确定其刻痕间距的大小，通过对刻痕间距的调整，降低了取向硅钢的铁损。

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... 

本发明提供一种提高硅锰镇静硅钢浇注性的生产方法，属于钢铁冶炼技术领域。其生产流程包括：转炉冶炼→RH真空精炼→连铸。转炉出钢严格控制下渣量，加石灰、渣面脱氧剂调渣；RH真空精炼脱碳结束后，先加入低碳低硫硅铁脱氧，再加入金属锰、磷铁等进行合金化，同时向钢包渣面加入低碳钢渣面脱氧剂对炉渣进行改质，待钢水成分全部命中后加入钙镁铁合金，循环3‑5min后净循环处理6‑10min，破空出钢；连铸采取保护浇注，浇注过程选用塞棒头中Al2O3≥80％、C≤10％、SiC含量8‑15％、气孔率≤12％，质量密度≥2.9g/cm3的塞棒进行控流，连浇炉数≥15炉/中包。本发明可以显著改善浇注过程塞棒头侵蚀问题，提高连浇炉数，降低生产成本。

研究了退火温度对3.1%Si无取向硅钢组织和磁性能的影响规律。结果表明:退火温度从940℃提高至1 000℃,平均晶粒尺寸由98μm增加到145μm,铁损P_1.5/50从2.576 W/kg降低至2.408W/kg。随着退火温度的升高,γ不利织构组分强度逐渐降低,{111}〈112〉织构组分强度降低约16%,磁感B₅₀逐渐升高,磁性能水平提高。 The effects of annealing temperature on microstructure and texture and magnetic properties of 3.1%Si non-oriented silicon steel were investigated in this paper.The results showed that,when the annealing temperature increased from 940℃ to 1 000℃,the average grain size of metallographic structure increased from 98μm to 145μm,the iron loss value P_1.5/50 decreased from2.576 W/kg to 2.408 W/kg.And as the annealing temperature increased,the strength of the unfavorable texture componentγgrad...