硅钢资料

针对采用含钒铁水生产无取向电工钢存在的铁水脱硫率低、转炉冶炼过程回硫量大、成品硫含量偏高的问题,通过对含钒钛铁水脱硫,减少转炉冶炼过程回硫以及RH脱硫技术等方面的研究,大幅度降低了电工钢成品硫含量。生产表明钢中w(S)=0.001 9%～0.006 9%,平均为0.004 2%;w(S)≤0.008%的比例达到了100%,且w(S)≤0.005%的比例也达到了91.43%。 In cognizance of the problems of low desulphurization rate for hot metal,large sulfur-recovery in converter as well as high sulfur content in products in producing non-orientation electrical steel with vanadium-content hot metal countermeasures have been carried out.Sulfur content in non-orientation electrical steel is decreased obviously by way of study on technologies of desulphurization for hot metal with vanadium & titanium,sulfur-recovery control in converter and desulphurization in RH ... 

本发明公开了硅钢片卷材加工用张力机构以及硅钢片剪切机，包括安装架、转动装置和按压装置，安装架的上安装块、连接块和下安装块组成凹槽，转动装置包括下转轴和转动驱动单元，下转轴水平设置，可转动地安装于下安装块上，设置于凹槽中，按压装置包括有上转轴和按压驱动单元，上转轴水平设置于下转轴的上方，可转动地安装于上安装块上，设置于凹槽中，并且可沿上安装块上下运动，其中，上转轴可与下转轴抵接。根据本发明的硅钢片卷材加工用张力机构以及硅钢片剪切机，可加强硅钢片卷材输送过程中的张力，降低硅钢片卷材输送的位置偏差率，提高产品合格率，提高原材料利用率，从而提高生产效率。

本发明涉及一种防止低温加热取向硅钢热轧边裂的方法，包括：1)控制取向硅钢铸坯进入加热炉前的表面温度；2)控制加热段各段炉气温度；3)二加热段采用加速加热；4)控制总加热时间；5)控制出炉温度；6)控制精轧道次及侧压量；7)控制精轧道次及终轧温度；8)精轧前对钢带边部进行加热补偿。本发明通过合理制定取向硅钢的加热温度、加热时间和轧制工艺制度，避免或消除了低温加热取向硅钢热轧边裂问题。

阐述了国内外高磁感取向硅钢的生产研究水平与发展趋势,包括通过提高高斯晶粒取向度、细化磁畴、涂覆张力涂层、减薄钢片厚度进一步降低铁损以及低温加热技术和短流程技术新工艺。分析高磁感取向硅钢在我国大型电力变压器上的应用情况,结果表明,发展更薄规格高磁感、低铁损、低磁致伸缩取向硅钢可为大型变压器的安全性、节能性及环保性提供有效保障。 The research progress and development trend of high magnetic induction grain-oriented silicon steel at home and abroad are summarized,including the technology of improving the Goss alignment,refining domain wall,adding stress coating,decreasing thickness of sheet,and the new technique of reducing heating temperature of casting slab and shortening operational.Moreover,the application of high magnetic induction grain-oriented silicon in power transformer is presented.Developing grain-oriented sili... 

含铜抑制剂作为取向硅钢的主抑制剂或辅助抑制剂不仅可以抑制初次晶粒的长大,促进二次再结晶,还可以降低铸坯的加热温度。取向硅钢中主要抑制剂为10～50 nm Cu₂S,在钢的铸坯、热轧、冷轧、脱碳等工艺过程均可析出;（Cu,Mn）_1.8S、Cu_1.8S、ε-Cu等主要作为辅助抑制剂,尺寸一般为30～50 nm（或大于50 nm）,主要在热轧阶段析出。总结了国内外有关取向硅钢中含铜抑制剂析出行为的研究进展,当前主要研究不同生产流程和工序中含铜抑制剂的析出行为和作用机理。 As main inhibitor or auxiliary inhibitor for grain-oriented silicon steel,the particles of inhibitor bearing copper not only inhibit the primary crystal growing and promote the secondary recrystallization,but also decrease the heat temperature of casting slab.The main inhibitor for grain-oriented silicon steel is 10～50 nm Cu₂S,which precipitate in process and procedure including steel casting slab,hot rolling,cold rolling and decarburizing process,while the 30～50 nm or more than 50 nm... 

研究了电工钢SXRC的显微结构和疲劳性能,并与DP钢进行了比较。结果表明,退火温度低温化能够有效的抑制电工钢的再结晶。该钢在固溶铌的作用下,能够在保证电机磁性的同时具有一定的强度。与DP钢相比,SXRC钢的抗疲劳性能更好。 The microstructures and fatigue properties of the electrical steel SXRC we re investigated, and the properties were also compared with the steel DP. The results show that the recrystallization of the electrical steel can be suppressed at lower annealing temperature. The steel presents favorable motor magnetic and also a compatible strength with the help of solid-solution Nb. Compared with the steel DP, the fatigue resistance of the steel SXRC is preferable. 

对商用50W330型无取向硅钢成品在930℃下保温2 h固溶并以不同方式冷却处理,利用磁性检测仪检测分析了处理前后的磁感和铁损变化,应用光学显微镜、扫描电子显微镜、X射线衍射仪观测分析了显微组织结构的演变。考察了平均晶粒尺寸、织构组分比及第二相粒子状态对磁性能的影响规律,结果表明:固溶处理前后平均晶粒尺寸的变化对硅钢磁性能的影响非常显著;当平均晶粒尺寸相差不大时,织构组分比[Goss+{100}]/{111}越大,磁感会越高;固溶处理会将细小弥散的第二相粒子重新回溶到基体中,减小了其对磁畴壁的钉扎作用,铁损随之下降。 The commercial 50W330 non-oriented silicon steel samples were heat treated at 930℃ for 2 h and cooled in different ways,then the iron loss and the magnetic induction of the samples before and after solution treatment were measured with a magnetic detector.The evolution of microstructural texture was analyzed by optical microscopy,scanning electron microscopy and X-ray diffractometry.The effects of average grain size,texture composition ratio and the second phase particles on the magnetic propert... 

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. 

本发明提出了一种无机绝缘漆，由下列物质组成，其重量百分比为：质量百分含量为50～55％的磷酸二氢铝溶液：30～70％；质量百分含量为60～70％的磷酸二氢锰溶液：10～15％；质量百分含量为80～85％的硼酸溶液：5～6％；质量百分含量为99％的硅烷偶联剂溶液：1～5％；质量百分含量为30～35％的硝酸盐溶液：0.1～0.5％；硅溶胶：10～15％；纳米硅酸铝：10～15％；纳米二氧化硅：20～30％；消泡剂：1～5％；水溶剂：适量。本发明采用磷酸二氢铝、纳米二氧化硅为主料制备了一种极薄硅钢带薄绝缘无机绝缘漆的涂层，涂层厚度均匀性好，涂层表面光亮、附着性强、绝缘电阻系数高。

无取向硅钢的磁性能主要取决于铁素体的晶粒尺寸、晶体织构和钢中的夹杂物。通过合适的化学成分设计以及采用适宜的夹杂物控制技术,可以获得最佳的夹杂物控制效果,使其纯净度大幅度提高或者无害,最终获得磁性能优良的高级别无取向硅钢。同时,为满足节能、环保、高效需求,无取向硅钢正朝着节能降耗、环境友好以及多功能、高效率、易加工等方向发展。 The magnetic properties of non-oriented silicon steel mainly depend on the grain size of ferrite,the crystallographic texture,and the inclusions in the steel.The optimum inclusion control effects can be obtained through a suitable chemical composition design and an appropriate inclusion control technique,and then the liquid steel will get be clean or the inclusion will get be harmless,finally the excellent magnetic property of the non-oriented silicon steel can be obtained.Meanwhile,in order to ... 

本实用新型涉及一种点火器线圈硅钢片结构，包括E型件和I型件，其特征在于：所述E型件和I型件可组合成日字形；所述E型件和I型件的棱面外周顶面和底面均设置切棱；所述E型件包括竖边和设置在竖边三个横边，其中所述竖边的转角位置圆角处理，竖边外侧为弧形边；所述竖边与三个横边接触的位置设置孔眼；位于中间位置横边外侧设置凹部，位于下端横边外侧设置凸部；所述I型件靠近E型件一侧中间和下端位置设置凸部和凹部，其上端与E型件上端横边外侧重合接触。本实用新型设计新颖，改进巧妙，由于E型件具有弧形边可以有利于拾取，方便工作操作，同时采用采用接触的方式接触，增加了组合体的稳定性。

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...