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本实用新型提供了一种无取向硅钢涂层喷涂装置,属于冶金行业涂层技术领域,包括上涂辊和下涂辊,所述上涂辊一侧设有上喷淋管,下涂辊一侧设有下喷淋管,在上涂辊和下涂辊间的水平面上方设置一个倾斜挡板,所述上喷淋管对准倾斜挡板,下喷淋管对准下涂辊,所述下涂辊下方设置一个涂液收集槽,下涂辊部分置于涂液收集槽中,涂液收集槽底板设有涂液回流口,所述涂液收集槽通过一个升降装置调节自身高度。该装置稳定性好,可靠性高,能够有效保证无取向硅钢下表面涂层质量,避免出现漏涂或者涂层条纹缺陷,提高无取向硅钢涂层质量。
2020-12-16 194 6.8

试验的铸态取向硅钢(/%:0.0440.056C,3.123.32Si,0.080.11Mn,0.0020.008S,0.002 90.029 1Als,0.006 20.010 9N)由30 kg高频真空感应炉熔炼。通过场发射扫描电子显微镜/能谱仪(FE-SEM/EDS)研究结果表明,0.002 9%Als钢中氧化物主要为SiO2,存在片状、棒状及近似球状的独立MnS,未发现含铝的氧化物或氮化物;0.0090%Als钢中出现以Al2O3为主的复合氧化夹杂物,存在MnS与AlN的复合析出物。钢中Als增加,复合析出物多呈簇状发展。氧化物容易成为MnS-AlN复合析出的核心,钢中Als含量越低,夹杂物中的MnS含量越高;作为核心的氧化物夹杂的尺寸越小,形成的复合夹杂物的形状越规则,尺寸也越小。热力学计算结果表明,钢中Als含量主要影响了钢中氧化物夹杂的组成和AlN的析出温度及析出量。 Test as-cast grain-oriented silicon steel(/%:0.044 0.056C,3.12 3.32Si,0.08 0.11Mn,0.0020.008S,0.002 90.029 1 Als,0.006 20.010 9N) is melted by a 30 kg high frequency vacuum induction furnace.The research results by using field emission-scanning electron microscope/energy dispersive spectrometer(FE-SEM/EDS) show that in 0.002 9%Als steel the main oxide is SiO2,and there is independent laminable,rod-like and approximate ... 
2014-02-28 194 5.8

承钢采用铁水预处理(脱硫)→转炉提钒→转炉冶炼→RH精炼→连铸→轧制工艺,成功研发了无取向电工钢CGW800。试制的CGW800钢碳含量≤0.006 0%、氮含量<0.004 0%,热轧后的金相组织为铁素体和少量渗碳体,晶粒度5.5级,获得了较粗大、均匀的晶粒,钢板的成分和力学性能达到了标准要求。 In Cheng Steel,the CGW800 non- oriented electrical steel is successfully developed with process of hot metal pre- treating,vanadium extracting with converter,smelting with converter,RH refining,continuous casting and rolling. In the steel,the carbon content is not higher than 0. 006 0%,nitrogen less than0. 004 0%,the metallographic structure after hot rolling is ferrite and a little amount of cementite,grain size is 5. 5 degree,relative large and even grain got. The composition and mechanical pr... 
2014-08-28 193 5.8

本发明涉及一种硅钢片叠压设备,包括加压机构,加压机构包括压台和压板,压台四角均设置导向柱,导向柱下端与压台固定连接,上端垂直向上延伸且穿透压板四角,压板上方设置有加力机构,加力机构包括固定板、活动板和挤压弹簧,固定板、活动板和压板平行设置,固定板设置与最上方且与导向柱上端固定连接,活动板设置于固定板和压板之间,固定板上穿透有多个螺杆,螺杆下端抵靠活动板顶面;活动板与压板之间均匀分布有多个挤压弹簧。本技术方案压台和压板构成了用于挤压叠放的硅钢片,通过转动螺杆可以将活动板向下推动,进而使活动板通过挤压弹簧将压板向下推动对叠放的硅钢片进行施压,装置结构简单、操作简单方便。
2021-11-22 193 6.8

取向硅钢成品的晶粒尺寸非常大,其易磁化方向[001]晶向对于轧向的偏差角度对其磁性能影响极大。本文介绍了取向硅钢二次再结晶后成品晶粒位向的几种测定方法,包括侵蚀法、劳厄法、OIM法、极图法和非对称X射线衍射法等,并对这几种测量方法进行了比较。 The finished product of grain-oriented silicon steel has immense grain size ranging from millimeters to centimeters and the deviation angles of easy magnetization direction from rolling direction plays a remarkable role in magnetic properties of grain-oriented silicon steel.The methods in common use for determining the deviation angles of crystal direction are introduced,which include the etch-figure method,the Laue method,the OIM method,the pole figure method and the asymmetrical X-Ray diffract... 
2011-04-28 193 5.8

通过实验室25 kg真空感应炉冶炼和锻轧研究了0.26%~0.95%Al含量对0.5 mm 2.2%Si无取向硅钢冷轧板组织、织构和磁性能的影响。试验结果表明,0.26%~0.81%Al含量时,随钢中Al含量的增加,成品退火钢板的晶粒尺寸增加同时铁损减少;当Al含量大于0.81%时,随Al含量增加,钢板的晶粒尺寸减小,同时铁损增加。Al含量对硅钢板磁感的影响没有明显的规律。2.2%Si无取向硅钢的合适Al含量为0.48%~0.81%。 The effect of 0.26%~0.95%Al content on structure,texture and magnetic performance of 0.5 mm cold rolled sheet of 2.2%Si non-oriented silicon steel has been studied by a 25 kg vacuum induction furnace smelting,and forging -rolling in laboratory.Results show that as 0.26%~0.81%Al,with increasing Al content in steel the grain size of annealed finished sheet increases while iron loss of sheet decreases,and as Al content in steel is more than 0.81%,the grain size of sheet decreases while iron loss in... 
2011-06-28 193 5.8

本发明提供一种电磁屏蔽用1050铝/50W800无取向电工钢钢板生产方法,包括S1)、将轧制好的铝卷和钢卷分别放置在两个开卷机上开卷;S2)、开卷后分别采用HCl、NaOH溶液清洗;S3)、用旋转钢丝刷法对铝板、钢板待结合面进行机械处理10‑15s;S4)、将铝板、钢板置于丙酮溶液中超声波清洗2‑3min;S5)、将表面处理后的铝板、钢板进行预拉伸或者预压缩,S6)、将预应力处理的铝板、钢板边部进行焊接;S7)、将焊接好的钢铝板进行轧前的预热处理;S8)、然后进行连续退火炉中进行退火处理,本发明将金属铝板、钢板通过热轧轧制复合化结合在一起,界面剪切强度≥100MPa,反复弯曲次数≥10次。
2021-09-28 193 6.8

本实用新型公开了一种连续热浸镀铝锌硅钢板,包括硅钢裸板,所述硅钢裸板的左侧边固定连接有第一铝锌输送条,所述硅钢裸板的右侧边固定连接有第二铝锌输送条。本实用新型,通过给待镀铝锌层的硅钢裸板左右侧边设置铝锌输送条,避免了镀层完成后需要对未镀膜的部位进程切除,降低了生产繁杂度,节约了生产成本,避免了材料的浪费,通过给铝锌输送条的前后侧面设置直齿面,提高连续热浸镀膜过程中的输送精度,从而提高了镀膜的均匀性,通过给铝锌输送条设置导向槽,提高硅钢板输送过程中的运动稳定性,通过优化硅钢钣的自身结构,提高了热浸镀铝锌层的效率,并节约了生产成本。
2021-01-14 193 6.8

以马鞍山钢铁集团公司电工钢板形优化控制研究项目为背景,系统地研究了热轧、冷连轧和单机架轧机在电工钢生产过程中的边缘降控制问题。通过现场数据采集、工况数值模拟计算和工业化大生产试验,设计出适用、合理的电工钢板形控制的辊型优化曲线,满足了不同工序、不同机型的板形控制策略要求,解决了电工钢板形质量问题,取得了显著的经济效益。 Based on the project of electric steel strip shape optimization control,problem of edge drop control was systematically studied in production of electric steel of hot-rolling mill,cold-rolling mill and single stand mill.Roll optimization contour was designed out in point and reasonable by collection of work condition data,numerical simulation and test of industrial production.The shape control system can meet with the different working steps and difference mills,and quality problem of electric s... 
2011-02-28 193 5.8

本实用新型公开了一种硅钢片快速叠片装置,包括模具箱,所述模具箱的上表面开设有放置槽,放置槽的内底壁开设有滑动调节槽,滑动调节槽的内侧壁转动连接有调节丝杆,调节丝杆的外表面螺纹连接有滑动块,滑动块的上表面分别固定连接有第一电动伸缩杆和支撑板,第一电动伸缩杆的顶端固定连接有固定板,固定板的上表面开设有滑槽。该硅钢片快速叠片装置,通过设置支撑板、放置板、第二电动伸缩杆与缓冲橡胶块,能方便将硅钢片进行叠放,通过设置第一电动伸缩杆、固定板、支架板、滚动轮与复位弹簧,便于对已经放置好的硅钢片进行固定,从而使整个装置具有方便快速自动叠片的效果,降低工作人员的劳动强度,提高硅钢片叠片的效率。
2021-10-15 193 6.8

取向硅钢利用析出物作为抑制剂,抑制初次再结晶晶粒的长大,抑制剂是取向硅钢发生二次再结晶的基本条件之一。文中通过低温板坯加热技术制备取向硅钢,采用透射电镜(TEM)观察并研究了高温退火阶段抑制剂的演化过程。结果表明,渗氮后形成的非晶态Si3N4析出物不稳定,在700~750℃退火升温阶段转化为(Al,Si)N;(Al,Si)N颗粒在800℃发生团聚,随后长大并粗化;(Al,Si)N是低温取向硅钢主要抑制剂,随退火温度的升高,(Al,Si)N抑制力大幅下降。 Precipitates as inhibitor are used to inhibit the grain growth of primary recrystallization in grain-oriented silicon steel,and inhibitor is one of the basic conditions for occurring of secondary recrystallization.The grain-oriented silicon steel was produced by low temperature slab heating and nitriding technique.The evolution of inhibitor was observed by transmission electron microscopy.The results show that Si3N4 particles are precipitated after nitriding,and Si3N4 particles are amorphous and... 
2011-11-28 193 5.8

对冷轧无取向硅钢在冶炼过程中各个工序的顶渣进行了检测,分析了顶渣变化原因,并得出结论:硅钢生产宜采用复吹转炉,以降低吹炼终点渣中TFe含量,进而减轻对精炼的压力;使用低S、低Al2O3含量中间包覆盖剂;RH脱氧及合金化顺序采用先加硅铁后加铝;首罐宜经LF提温并降低渣中TFe。 The top-surface slag used for the various production processes in smelting coldrolled non-oriented electrical steel is tested and based on tested results the cause of the top surface slag change is analyzed.So it is concluded that the combined blown converter is more suitable to be used for smelting electrical steel in order to reduce the content of TFe in slag at blow end point and then much better results can be achieved during the period of refining.Secondly the tundish flux contenting low co... 
2013-03-28 193 5.8

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