硅钢资料

本发明涉及变压器的技术领域，特别是涉及一种应用电工钢的变压器，其通过设置扇叶与冷凝盘管，通过冷却液与风冷共同对电工钢铁芯进行降温，避免电工钢铁芯工作过热导致电工钢铁芯损坏，提高使用稳定性；包括变压器箱体、两组固定支撑腿、电工钢铁芯、固定卡块、风机支架、风机、扇叶转轴、扇叶、冷却箱体、循环泵、冷却管、冷凝盘管、冷风机支架和冷风机，所述变压器箱体内部设置有空腔，所述变压器箱体右端连通设置有散热口，两组所述固定支撑腿对称固定安装在变压器箱体内部，所述固定支撑腿内端设置有紧固卡槽，所述电工钢铁芯左右两端对称固定安装有两组固定卡块，所述固定卡块固定卡装在固定支撑腿紧固卡槽中。

介绍了重庆钢铁股份有限公司炼钢厂生产低碳低硅钢的脱氧工艺,对连铸过程中水口结瘤的原因进行分析,并提出了优化措施。生产实践表明:钢水中的活性氧质量分数控制在10×10-6～30×10-6时,单中包浇铸炉数由6～7炉提高到11～12炉,同时能保证连铸顺行和减少铸坯气孔。 The deoxidation process of low-carbon and low-silicon steel in steel plant of Chongqing Steel was introduced.The nuzzle clogging was analyzed and some measures were put forward.Production experiments showed that when the active oxygen was controlled between 10×10-6～30×10-6,the amount of furnaces would rise from 6～7 to 11～12,which will make the casting process work well and reduce casting holes. 

对1990~2010年在我国申请的冷轧无取向硅钢涂层的专利数量、专利技术领域分布进行了统计,对典型涂层专利技术进行了分析,探讨了无取向硅钢涂层的发展趋势。统计分析结果表明,目前无取向硅钢涂层典型的专利技术主要有自粘结涂层、无铬含稀土元素涂层、含钼酸盐环保涂层及采用有机-无机纳米杂化材料为主成膜物形成的涂层等。无取向硅钢涂层发展的趋势主要是无铬环保的半无机、半有机型涂层。 The patent quantity of cold-rolled non-oriented silicon steel coating and distribution of technology fields applied in China in 1990-2010 were summarized.The analysis results indicate that typical patent technologies include self-adhesion coating,chromium-free and with rare earth element coating,environment-friendly and with molybdate coating,coatings with organic-inorganic hybrid materials as main forming agent and so on.The main development trends of coatings on silicon steel are among semi-in... 

【作者】 王桦； 舒子龙； ...

一种不含铬取向电磁钢板用涂料、其制备方法及带涂层的不含铬取向电磁钢板的制备方法，属于取向电磁钢板技术领域。所述涂料按质量份配比组成如下：100份磷酸盐、60～120份二氧化硅溶胶、5～50份氧化锡溶胶、2～40份硼酸和0.5～10份二氧化硅粉体。本发明所述制备方法环境友好、能够满足规模化生产要求，制备的涂料不含铬、具有良好的稳定性和涂敷性，并且本发明所述涂料能够使取向电磁钢板表面涂层具有良好的耐吸湿性、耐腐蚀性、耐热性、张力效果和抗粘片性。

常化快冷是生产高牌号无取向硅钢和高磁感取向硅钢不可缺少的一个工艺环节,气-雾冷却则是实现常化快冷的关键方式之一。介绍了国内自主设计建设的常化酸洗机组气雾冷却系统的技术特性,并对其特点进行了系统分析,最后给出该系统在设计、运行参数的选择上若干注意事项,对气-雾冷却系统设计和使用具有一定的指导作用。 The normalizing rapid cooling is a indispensable process to high grade non-oriented silicon steel and high magnetic induction oriented silicon steel’ s production. The fog cooling is a key ways of coming true the normalizing rapid cooling. This paper introduces the technical features of the fog cooling system in normalizing pickling line which is the domestic independent design and construction. Meanwhile,the fog cooling system’s characteristic is analyzed systematacially. In the end,this paper ... 

本发明提供一种在同一卷材内得到稳定的磁特性的方向性电磁钢板的制造方法。上述方向性电磁钢板的制造方法，包括如下步骤：将具有规定的成分组成的钢坯热轧而制成热轧板，将上述热轧板退火而制成热轧板退火板，对上述热轧板退火板实施1次或隔着中间退火的2次以上的冷轧而制成最终板厚的冷轧板，对上述冷轧板实施一次再结晶退火和二次再结晶退火；上述冷轧包括至少1次的压下率为80％以上且轧制速度为设定值R0(mpm)期间的钢板温度T0(℃)与轧制速度为0.5×R0(mpm)以下期间的钢板温度T1(℃)满足式(1)的冷轧。

针对某硅钢车间ST机组的除尘系统除尘效率较低、排放浓度不达标、二次污染较严重的问题,通过现场调研,对除尘系统、含尘气体组分与物性参数等进行测试和分析,运用管道伴热技术改善粉尘黏性后,再选取合适的除尘器对粉尘进行除尘处理,大大地提高了系统的除尘效率。 To solve the problems of low dust removal efficiency, substandard emission concentration and severe secondary pollution, some investigations are conducted to test and analyze the dust removal system,dust-gas composition and relevant physical parameters.Moreover, dust removal efficiency is greatly improved by the use of pipe heat tracing technology and by choosing appropriate dust remover. 

以一种新的Fe-Si合金制备工艺为出发点,研究了不同放电等离子体快速烧结工艺(SPS)和Si含量变化对Fe-Si合金材料显微组织与磁性能的影响。结果表明,在烧结温度为1 000℃时制备的Fe-6.5%Si合金(质量分数,下同)的综合磁性能较好,其在50Hz下的铁损为0.549W/kg,最大磁感应强度为0.124 3T,矫顽力245.6 A/m,磁导率0.338mH/m。另外,材料的最大磁感应强度随Si含量的增加显著增长,1 000Hz下,Fe-10.0%Si的最大磁感应强度可达到Fe-6.5%Si合金的5倍左右。 The effects of Si content and SPS technology on microstructure and magnetic properties of Fe-Si alloy material were studied in the paper.It shows that the magnetic properties are the best when the content of Si is 6.5wt% and the sintering temperature is 1 000℃,the iron loss is 0.549W / kg in 50Hz,maximum magnetic induction is 0.124 3T,coercive force is 245.6A / m and permeability is 0.338mH / m。And,the maximum magnetic induction increases significantly with the increase of Si.The maximum magneti... 

对w(Si)=3%无取向硅钢进行表面机械研磨处理(SMAT)和异步轧制(CSR),获得表面纳米结构,再进行550～650℃、4 h固体粉末渗硅处理,用透射电镜(TEM)、扫描电镜(SEM)和X射线衍射仪(XRD)研究表层组织演变。结果表明:经过SMAT后,w(Si)=3%无取向硅钢表面形成了等轴状、取向呈随机分布的、晶粒尺寸为10 nm的纳米晶组织;异步轧制后,表面纳米晶组织保持不变;550～650℃、4 h渗硅处理后,SMAT+CSR样品表面形成化合物层,其厚度随着温度的升高由17μm增加到52μm;化合物层由Fe3Si和FeSi相组成. Nanostructured surface layer was fabricated on a 3%(mass fraction) non-grain oriented silicon steel by means of surface mechanical attrition treatment(SMAT) and cross-shear rolling(CSR),and then a solid powder siliconizing treatment was carried out for the SMAT+CSR sample at 550~650 ℃ for 4 h.The microstructural evolution was examined by using transmission electron microscopy(TEM),scanning electron microscopy(SEM) and X-ray diffraction(XRD).Experimental results show that: equiaxed nanocrystallin... 

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 ... 

本发明涉及电机技术领域，具体涉及一种具有低应力隔磁桥的硅钢片和电机转子。包括硅钢片、开设在硅钢片上的若干个磁钢槽组和永磁体，若干个磁钢槽组沿所述硅钢片周向分布，每个磁钢槽组均至少包括一对沿径向对称分布的磁钢槽，永磁体嵌设于磁钢槽内，磁钢槽朝向硅钢片内侧的一端设有空腔，一对磁钢槽的空腔之间通过隔磁桥隔离，隔磁桥的空腔上壁面与空腔侧壁面之间通过第一椭圆弧过渡连接，隔磁桥的空腔下壁面与空腔侧壁面之间通过第二椭圆弧过渡连接。有效降低该处隔磁桥在拐角处所受应力，进而提高该隔磁桥的强度，避免磁钢和铁芯产生形变而断裂。