硅钢资料

阐述了电工钢在\"双碳\"中的作用,强调了电工钢的生产工艺技术及在减少碳排放、降低能耗中的作用,对下游能效升级带来明显的节能及降碳成果。同时,分析了2021年电工钢的生产运行情况,介绍了电工钢的未来发展,并针对如何减少碳排放以及生产更多的更低铁损、更高磁感的电工钢谈了几点启示。 The effects of electrical steels on carbon peak and carbon neutralization were expounded,especially on the achievements of obvious energy saving and carbon reduction to the downstream energy efficiency upgrading bringing from the production technology of electrical steels and their effects to reducing carbon emission and energy consumption.Meanwhile the production situation of electrical steels in 2021 was analyzed,and the future development of electrical steels was introduced,and some advices w... 

借助光学显微镜、扫描电镜、交流磁性能测量仪和万能拉伸试验机研究了0.3 mm厚高强无取向电工钢冷轧板在780、820、860和900℃退火保温2 min后的组织、织构和性能。结果表明:在退火温度范围内,试验钢均发生了完全再结晶,得到等轴状的铁素体晶粒;随着退火温度的升高,平均晶粒尺寸从9.2μm增长到41.3μm,工频铁损和400 Hz高频铁损均先大幅减小后趋于平缓,磁感应强度先升高后降低。在820℃退火时,铁损P_1.5/50=5.51 W/kg,P_1.0/400=33.22 W/kg均处于较低值,磁感应强度B₅₀₀₀最大,为1.649 T。试验钢的屈服强度和抗拉强度均随退火温度的升高而降低,780℃退火时屈服强度为496 MPa, 900℃退火时降低至407 MPa。综合磁性能和力学性能考虑,试验钢的最佳退火温度是820℃。 Microstructure, texture and properties of 0.3 mm thick high strength non-oriented electrical steel cold rolled sheet annealed at 780 ℃, 820 ℃, 860 ℃ and 900 ℃ for 2 min were studied by means of optical microscope, scanning electron microscopy, AC magnetic property tester and universal tensile testing machine. The results show that in the annealing temperature range, complete recrystallization of the experimental steel occurs and equiaxed ferrite grains are obtained. With the increase of annealin... 

本实用新型公开了一种无取向硅钢厚涂层涂层液生产用纯水制水机，包括底板，底板顶端的两侧分别固定设有固定座和存水筒，固定座顶端的中部设有蒸馏组件，蒸馏组件包括球形釜，球形釜设置在固定座的顶部，球形釜的外部固定套设有导热层，导热层的内部固定嵌设有电热丝，导热层的外部固定套设有隔热层，本实用新型的有益效果是：通过设置的电热丝通过导热层对球形釜内部的水进行加热，球形釜提供更加均匀的受热效果，水蒸气通过V形管进入L形管，通过设置的环状冷却管内部的液氮对水蒸气进行冷却，便于提供更高效的蒸馏处理，通过设置的防腐蚀磁铁网格滤板、无纺布滤层、活性炭滤层和高密度滤网层，便于提供更好的过滤效果。

本发明是高磁感取向硅钢的脱碳退火工艺，首先对硅钢卷进行放卷、活套、清洗；再对硅钢进行脱碳、渗氮处理，氨气流量6‑20m3/h、加湿槽温度30‑70℃，脱碳温度780‑880℃、机组速度45‑75m/min、气氛中氢气比例20‑60％、氮气比例40％‑80％，然后冷却到常温；对硅钢进行活套；再对硅钢进行涂覆氧化镁，涂覆量4‑10g/㎡；最后对硅钢进行干燥和收卷成硅钢卷；通过本发明对高磁感取向硅钢的脱碳退火工艺流程进行了优化设计，调整了脱碳退火工艺中氨气流量、气氛、加湿槽水温等参数，优化了高磁感取向硅钢中碳元素、氮元素和氧元素的含量，最终使高磁感取向硅钢实现稳定的性能，磁感达1.92T。

本实用新型公开了一种硅钢片生产用冲压机构，包括安装底板，所述安装底板的侧壁设置有固定件，安装底板的上表面设置有工位调节机构，工位调节机构包括固定连接在安装底板上表面的四个安装块，每两个安装块为一组，两组安装块的相对面均转动连接有往复丝杠，正面两个安装块的正面均固定连接有驱动往复丝杠转动的伺服电机，往复丝杠的表面螺纹连接有工位安装板。该硅钢片生产用冲压机构，在冲压加工过程中，通过伺服电机带动往复丝杠转动，能够带动两个工位安装板移动，从而使冲压母模沿往复丝杠进行移动，在加工过程中，通过对两个冲压母模进行交换，能够节省硅钢片上料与下料的时间，从而提高冲压加工的效率，且能够提高生产的安全性。

本发明公开了一种取向硅钢电磁性质各向异性的多频电磁无损表征方法。改方法基于多频电磁传感器技术，建立取向硅钢晶粒各向异性有限元模型，通过本发明专利公开的方法，表征取向硅钢晶粒取向‑测量方向‑电磁信号对应关系，通过信号比对，检测取向硅钢与理想硅钢晶粒取向偏差值，判断取向硅钢的电磁性质的优劣。该发明解决取向硅钢生产过程中无法高效判断产品质量以及电磁性质优劣问题，为构建准确的取向硅钢晶粒取向各向异性的电磁无损表征系统，为深化高附加值钢种显微组织预测方法研究与产品在线性能调技术控奠定基础。

对熔融态钢液进行处理,研究了电脉冲对于取向硅钢凝固组织的影响作用,利用正交试验法研究了脉冲电容、频率、处理时间和电压等脉冲参数的作用效果。结果表明:电脉冲对钢锭晶粒组织具有明显的细化作用,凝固组织的等轴晶比例大幅上升,影响等轴晶比例的最显著性因素为脉冲频率,最优正交试验参数为电容1 200μF,脉冲频率1 Hz,处理时间5 s,脉冲电压800 V。随着输入能量的增大等轴晶率先增大后减小,脉冲输入能量为某值时,等轴晶率最大,利用经典形核理论和热力学对这一现象进行了解释。 The influence of electric pulse on the solidification structure of oriented silicon steel was investigated by applying electric pulse in molten steel.The affection due to different electric pulse parameters such as electric capacity,frequency,applied time and voltage was studied by orthogonal design test.The result showed that solidification structure of oriented silicon steel could be improved by the electric pulse,and the equiaxed crystal ratio increased obviously.The most influential paramete... 

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... 

介绍了普通取向硅钢(CGO)和高磁感取向硅钢(Hi-B)铸坯高温加热两次冷轧、一次冷轧和铸坯低温加热两次冷轧、一次冷轧法4种成熟生产工艺的主要技术参数,取向硅钢理论研究(Goss晶核和抑制剂)和生产技术现状。取向钢的发展趋势为:提高(110)[001]晶粒取向度,降低取向硅钢铁损,发展铸坯低温加热(≤1 300℃)和薄板坯连铸连轧流程生产取向硅钢工艺。 Main technology parameters of four developed process:cast bloom higher temperature heating-double cold rolling or single cold rolling,lower temperature heating-double cold rolling or single rolling process for production of common grain oriented silicon steel(CGO) and high magnetic induction grain oriented silicon steel(Hi-B),theory research on grain oriented steel(Goss nucleus and inhibitor) and present situation of process are summarized in this paper.The development trend of grain oriented si... 

本发明公开了一种控制无取向电工钢横向同板差的装置，包括热轧机、圆盘剪、冷轧机和输送辊道，圆盘剪安装在输送辊道两侧且位于热轧机和冷轧机之间，无取向电工钢在输送辊道的运输下依次经过热轧机、圆盘剪和冷轧机，设定热轧机对无取向电工钢的楔形和凸度进行控制，控制无取向电工钢的楔形在20微米内、凸度为20～45微米，冷轧机的工作辊设有倒角。冷轧机为UCM五连轧轧机，UCM五连轧轧机中1#和2#轧机工作辊的单边设有倒角，1#和2#轧机中上工作辊的操作端设有倒角，下工作辊的传动端设有倒角。倒角的深度为0.2～0.3mm，倒角在工作辊上的起始位置到工作辊端面的距离为265‑285mm。本发明还公开了一种控制无取向电工钢横向同板差的方法。

从取向硅钢生产路线的选择、工艺技术的改进和生产设备的改造三方面进行了生产取向硅钢的节能降耗技术改造.通过完善多元抑制剂配方生产低温取向硅钢,通过加抛丸的酸洗、带面超声波清洗、改进连续退火炉以及余热循环利用等技术改造,使2012年取向硅钢的产量与未进行技术改造前的2009年相比提高了2.5倍,产品磁性上升了一个半牌号,能耗下降了8.9%,成材率提高了6.4%,生产成本下降了22%,综合效益显著. Energy saving technological transformation was carried out in the production of grain oriented silicon steel from three aspects of the oriented silicon steel production process route selection,technology improvement and equipment renovation.Through the improvement of multiple inhibitor formulations for producing low-temperature grain-oriented silicon steel,and by adding the blasting pickling,the belt surface ultrasonic cleaning,improvement of continuous annealing furnace,waste heat recycling tec... 

变压器D21硅钢铁芯片采用冲压工艺生产。首先对其工艺进行了分析,确定了冲压方案。对产品进行了排样设计,计算了冲压力,确定了压力中心。然后,设计了单工序落料模具,完成了模具装配图。 D21 silicon steel chips for transformer are produced by stamping.First,its stamping process was analyzed and the scheme of the stamping process was determined.The product layout was designed,the punching pressure was calculated,the pressure center was determined.Then,the blanking die with single procedure was designed,the die assembly drawing was completed.