硅钢资料

本实用新型涉及硅钢片加工领域，且公开了一种用于硅钢片钢卷制造的风冷装置，解决了目前市场上的用于硅钢片钢卷制造的风冷装置工作效率低下，风冷效果不佳的问题，其包括风冷箱，所述风冷箱两侧的下部分别开设有输入口和输出口，风冷箱的内部通过输入口和输出口活动连接有硅钢片本体，风冷箱内腔的顶部固定连接有制冷框，制冷框内腔的两侧之间安装有制冷环形管，制冷框内腔的顶部通过支架固定连接有吹风罩，风冷箱底部的两侧均安装有稳定架，该用于硅钢片钢卷制造的风冷装置，结构设计巧妙、降温迅速、操作便捷，通过制冷框与集风架进行对硅钢片本体进行双重风冷处理，大大提高了整个装置的风冷效果和工作效率，并且人工维护少、生产成本低。

根据新日铁、JFE及浦项等国外钢铁公司2008年以来在日本专利局、欧洲专利局(EP)及世界知识产权组织(WIPO)申请公开的有关生产Hi-B取向电工钢典型专利技术,概述了近年来国外大型钢铁企业采用低温板坯加热(坯加热温度<1 280℃)技术生产Hi-B取向电工钢主要技术重点,即将调节关键化学成分Al、N、Sn及Sb等与工艺改进相结合。最后介绍了国外大型钢铁企业采用低温板坯加热技术生产Hi-B取向电工钢实例。 The latest developments on technology for manufacturing Hi-B grain oriented electrical steel sheets developed by Nippon Steel Corp.,JFE Steel and POSCO were described according to the patents published by World Intellectual Property Organization,Japan Patent Office and European Patent Office over the recent years.The low temperature slab heating process(particularly slab-heating temperature<1 280 ℃) together with suitably adjusting key chemical elements such as Al,N,Sn and Sb elements was the... 

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. 

此无取向性电磁钢板具有预定的化学组成，所述化学组成满足(2×[Mn]+2.5×[Ni]+[Cu])－([Si]+2×[sol.Al]+4×[P])≧1.50％，以SEM－EBSD测定距表面1/2板厚深度的与轧制面平行的面时，将{hkl}＜uvw＞取向的晶粒相对于全部视野的面积率记为Ahkl－uvw时，A411－011在15.0％以上，且平均晶体粒径为50μm～150μm。

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... 

通过后天抑制剂获得法制备了取向硅钢,对渗氮前后和高温退火升温阶段析出物的析出和转化规律进行了研究。研究结果表明,渗氮前脱碳退火态基体中存在少量的粗大AlN颗粒和细小AlN颗粒,渗氮处理后新析出大量的Si3N4析出物,高温退火升温阶段Si3N4将转化为(Al,Si)N,随着温度的继续升高(Al,Si)N颗粒将发生粗化,(Al,Si)N是后天抑制剂获得法制备取向硅钢的主要抑制剂。 Grain-oriented silicon steels were produced by acquired inhibitor method.The rule of precipitate transformation was studied after nitriding treatment and high-temperature finishing annealing.The results show that a small amount of large AlN and fine AlN are found in matrix before nitriding treatment,and a large amount of Si3N4 is precipitated in matrix after nitriding treatment.During the temperature rising period of high-temperature finishing annealing,Si3N4 would transform into(Al,Si)N,and(Al,... 

以构建高磁感、低铁损、免轧制高硅电工钢铁芯为出发点,提出采用单辊甩带制备非晶铁硅合金薄带、微氧化法在铁硅合金粉末表面包覆高电阻率铁硅氧化物薄膜制备核壳异质结构高硅电工钢纳米粉末、放电等离子烧结快速成形制备颗粒间绝缘的高硅电工钢铁芯。研究了不同氧化包覆时间对SPS烧结试样密度、物相组成、微观结构和静磁性能的影响。研究表明,在氧化包覆5h烧结温度800℃工艺条件下,制备的6.5%Si高硅电工钢铁芯的静磁性能最佳,饱和磁化强度为128.84A.m2/kg、矫顽力为2.25kA/m、剩磁为3.47A.m2/kg。其饱和磁化强度与粉末压延法制备的高硅钢相当,但矫顽力降低了1/3。 The paper takes preparation 6.5%Si steel with high induction,low core loss and removing rolling as the starting point,amorphous Fe-Si ribbons was synthesized by melt spinning method,6.5%Si steel nanopowders with high resietivity core shell structure was prepared by the slight oxidation process and 6.5% Si steel iron core with evaluating internal was sintered by spark plasma sintering process(SPS).The essay focuses studies the effects of different oxidation cladding time on sample density,phase c... 

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... 

本发明涉及一种硅钢片纵剪边料收卷装置，包括：用于将收卷装置固定于地面的机架底座，机架底座一端设置固定支架，固定支架上安装电动定尺收料盘；在机架底座上设置电动可移动支架，电动可移动支架在机架底座的长方向上相对固定支架移动，电动可移动支架上安装电动可调收料盘；电动可移动支架、电动定尺收料盘、电动可调收料盘与PLC控制系统连接，PLC控制系统用于控制电动可移动支架的移动距离、以及控制电动定尺收料盘和电动可调收料盘的收料速度。本发明还涉及一种硅钢片纵剪边料收卷方法。将本发明的收卷装置安装在硅钢片滚剪线切刀后面的输送平台下部，卧式布局，不占用外部空间，和滚剪线无缝集成在一起，自动完成硅钢片纵剪边料收卷工作。

本实用新型公开了一种电工钢生产高温处理用上料装置，包括工作台和底板，所述工作台的顶部外壁固定有对称分布的两个第一侧板，且第一侧板的相对侧外壁通过轴承转动连接有等距分布的第一转辊，两个所述第一侧板的顶端转动连接有对称分布的两个活动框，且活动框的一侧转动连接有等距分布的第二转辊，所述活动框的顶部外壁固定有安装杆，且安装杆的顶端转动连接有转块，所述转块的内部开有螺纹孔。本实用新型双向螺纹杆带动两个转块相向移动，使两个活动框转动，一端相互靠近，将第一转辊上的电工钢向中间推动，从而使电工钢落在传送带中间位置，向上运输到正确的位置，解决了电工钢偏移输送路线，无法输送到准确的位置，发生脱落的问题。

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. 

本发明涉及金属冶炼工艺，尤其是一种降低无取向硅钢W800冶炼成本的方法，开吹阶段，着火后，加入头批渣料，石灰加入量占石灰总加入量的70%，石灰石加入量占石灰石总加入总量的100%，轻烧白云石加入量占轻烧白云石总加入总量的100%，待化渣后，枪位降低；化渣后将剩余30%石灰加入，加入剩余石灰过程中利用矿石调整温度；吹炼后期，并逐步压枪，终点拉碳枪位至1.4m，并使枪位在此高度不少于30s；到达冶炼终点。本工艺通过降低转炉渣量、提碳降氧和提高终点温度来减少铁水锰氧化量和促进氧化锰还原量，进而降低RH金属锰加入量，降低生产成本。