所有分类
  • 所有分类
  • 未分类

本发明公开了一种高硅钢的冷轧生产工艺。该生产工艺属于机械制造技术领域,其中的处理工序的加热工序通过电磁感应加热装置加热,待处理钢经过加热工序的速度为30‑200mpm,加热工序的加热温度为70‑120℃。本发明具有生产效率高和生产质量高的特点,特别是在加热工序中对待处理钢采用电磁感应加热装置进行加热,使其可以快速有效地提升温度,以满足高硅钢的冷轧生产工艺要求,减少断带事故,具有很好的实用性和创新性。
2021-09-26 178 6.8

介绍了国内无底层取向电工钢生产技术水平、产量和用途,简述了无底层取向电工钢作为取向电工钢超/极薄带母料及应用于制作大型发电机组铁心、风电等电机铁心和变压器铁心等的情况。 The production technology level,output and application of domestic glassless grainoriented electrical steel were introduced,and the application of glassless grain-oriented electrical steel as parent material of ultra-thin strip of grain-oriented electrical steel and in making large-scale electric generator cores,wind power motor cores and transformer cores were briefly described. 
2022-02-28 200 5.8

【作者】 姚昌国; ...
2011-05-28 165 5.8

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... 
2011-03-28 163 5.8

研究了应用电感耦合等离子体质谱法(ICP-MS)测定硅钢中痕量铜和镍的分析方法。采用硝酸分解样品,通过内标校正和基体匹配消除了基体干扰的影响,同时根据测量时存在的质谱干扰情况,选择同位素65Cu和60Ni作为测定元素和通过调节仪器参数使双电荷离子的产率最低,以减少带来的干扰。该方法用于硅钢中痕量铜和镍的测定,所得的结果与ICP-AES法测定结果完全吻合,各元素测定结果的RSD值小于5%,加标回收率为97.3%~100.3%。 A method for the determination trace copper and nickel in silicon steel by inductively coupled plasma mass spectrometry(ICP-MS) was studied.The samples were dissolved in HNO3.The effect of matrix interference was eliminated by internal standard correction and matrix matching.Meanwhile,according to the mass spectral interferences in determination,the isotopes including 65Cu and 60Ni were used as measuring elements.The yield of double-charge ions were minimized by adjusting instrumental parameters... 
2011-05-28 177 5.8

【作者】 谌剑; ...
2011-09-28 130 5.8

一种取向硅钢环形炉钢卷冷却装置,涉及冶金领域。该取向硅钢环形炉钢卷冷却装置用于控制环形炉的冷却一段内钢卷的冷却速度,其包括设于冷却一段的炉体内耐火层和绝热层之间的至少一块冷却板及多条设于绝热层内的冷却管,冷却管与一块冷却板贴合接触,冷却管设有用于控制流量的流量控制阀,绝热层还连接有贯穿其以对冷却板的温度进行检测的第一热电偶。本申请提供的取向硅钢环形炉钢卷冷却装置可满足不同品种和规格取向硅钢对冷却速度的要求,能够在满足出炉钢卷板形质量要求基础上减少钢卷在冷却一段的处理时间,提高环形炉的生产效益,同时能够减轻因钢卷重量波动、台车空装等因素对钢卷磁性能和板形质量的影响。
2021-12-27 205 6.8

本发明涉及一种提高低温高磁感取向硅钢附着性的方法,该方法在现有低温高磁感取向硅钢连续式脱碳退火炉中,通过在脱碳退火前区通入氮气、氢气干式混合气,在脱碳退火后区通入氮气、氢气湿式混合气进行脱碳,在渗氮区通入氮气、氢气湿式混合气及氨气进行渗氮,解决了低温高磁感取向硅钢附着性不好的难题。本发明方法提高了钢中总氧量、增加了氧化层厚度、改善了氧化层结构,经高温退火后生成了致密的硅酸镁底层,附着性大幅提高,测试结果均在C级以上,大部分样品在B级以上。
2021-09-30 192 6.8

本发明公开了一种消除取向硅钢单边浪缺陷的方法,其包括如下步骤:1)、制作专用盖板;所述专用盖板包括环形板,所述环形板外边缘设有多个剪开处;2)、将待装炉的取向硅钢钢卷吊运至高温退火炉炉台;3)、将专用盖板铺于取向硅钢钢卷上端面外圈;4)、将专用盖板上的各剪开处向下弯折,勾住取向硅钢钢卷外沿;5)、扣上内罩,内罩底边砂封;6)、钢卷进炉,完成高温退火过程。本发明能有效保护钢卷边部,防止钢卷上端面翻边;该方法还能将钢卷内部水分排出,避免钢带表面氧化。
2021-01-05 141 6.8

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... 
2022-01-28 197 5.8

硅钢工业退火炉温度控制具有强耦合、纯滞后、多扰动等特点,它的控制方法代表着一类非线性系统控制的解决方法。以硅钢工业退火炉温度为控制对象,在双交叉限幅控制的基础上引入了智能学习系统,形成了基于智能学习系统的双交叉限幅控制方法来解决此类非线性系统的控制问题,并通过模块化的编程来实现其功能。结果表明:与传统的PID控制相比,该控制方法的控制精度、抗扰性等控制指标有明显提高,是解决此类非线性控制的一种有效方法。 The temperature control of silicon steel industrial annealing furnace has the features of strong coupling,pure lag,multidisturbance. The control method represents the solution of a class of nonlinear control systems. The control object is the temperature control of silicon steel industrial an-nealing furnace, the intelligent learning system based on Double Across Limit Control is introducedand used to solve control problem of this kind of nonlinear system, and the module programming isused to re... 
2014-05-28 162 5.8

介绍了国内、外电工钢极薄带的生产现状及市场应用的情况,以及典型生产企业的生产规模、产品性能和应用领域,指出扩大高牌号无取向电工钢生产、提高产品质量是目前电工钢发展的迫切要求。 The production situation and market application of ultra thin electrical steel strip at home and abroad were described.The production capability,product property and application area of typical corporation were introduced.The results indicate that the urgency needed of electrical steel development is expanding high-grade non-oriented electrical steel production and improving products quality at present. 
2011-04-28 180 5.8

站点公告

网站试运行,请大家关注本站公众号,多提宝贵意见!

显示验证码
没有账号?注册  忘记密码?