硅钢资料

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. 

以质量分数为25%的丙烯酸乳液MC-102、15%Al(H2PO4)3溶液、0.01%H3BO3、0.01%Zn(Ac)2·2H2O和2%二乙二醇丁醚组分,在不同固化工艺下制备涂层。极化曲线和电导率测试发现300℃处理60 s得到的涂层具有良好的耐腐蚀性和绝缘性;水煮实验证明该涂层具有良好的耐水性;断口线扫描发现涂层具有良好的附着性。 A formula comprising MC-102 acrylic emulsion 25%,aluminium dihydrogen phosphate15%,boric acid 0. 01%,zinc acetate dihydrate 0. 01% and diethylene glycol monobutyl ether 2% was used to prepare coatings via different treatment process. The conductivity test and polarization curves revealed that a coating cured at 300 ℃ for 60 s showed good insulative and anticorrosive properties. The water boiling test indicated that the said coating had good water resistance. A cross section of the coating was in... 

本实用新型实施例涉及一种硅钢片冲剪设备，该设备包括冲床、送料台、第一刀模、第二刀模和第三刀模；送料台用于传送待加工的硅钢条；第一刀模用于冲剪硅钢条以在硅钢条上形成预设形状的第一凹槽，第一凹槽处构成“工”字形硅钢片的一侧凹部；第二刀模用于冲剪硅钢条以在硅钢条上形成预设形状的第二凹槽，第二凹槽与所述第一凹槽相对应，第二凹槽处构成“工”字形硅钢片的另一侧凹部，第二刀模与硅钢条在硅钢条的横向方向上能够产生预设距离的相对位移；第三刀模用于沿硅钢条的横向方向剪断硅钢条。该设备能够采用硅钢片低成本、高效率地制造“工”字形硅钢片。

本实用新型涉及一种硅钢片叠装上料用转运装置，包括一输送单元，输送单元包括输送支架、输送辊，在各个输送支架均配备有一用于接收裁切好的硅钢片并堆放形成硅钢片料堆的放置板；一供料单元，包括供料板、供料支架、供料辊、支撑组件；一转运单元，包括转运支架、转运底座、转运辊、推料板、推动机构、电磁铁、转运齿条、转运齿轮、转运导轨、转运导座、导向轮、行走滚轮。本实用新型的优点在于：通过输送单元、供料单元及转运单元之间的相互配合，从而能够将满料的放置板自动输送并呈日字形自动排布好，无需再由人工搬运放置，大大减少了人工劳动，降低了人工劳动强度。

作为一种具有优异高频铁磁性能的合金,Fe-6.5%Si(质量分数)高硅钢在高频工况条件下降损效果明显,对电气行业应用器件高频化、小型化、节能等具有十分重要的意义。通过与取向硅钢测量B-P数据对比,验证了高硅钢高频超低损特性,且轧制高硅钢与日本CVD法生产高硅钢存在基本相同的铁损值。采用国标Epstein Square法对0.30mm高硅钢薄板进行单片测试,并对由0.30mm高硅钢薄板首次装配成的电感器进行铁损测试,对比测试结果表明,元件测试与单片测试数据基本吻合,高磁感应强度条件下,元件测试结果略低于单片测试,分析原因为:线圈引起励磁压降;元件叠片间出现短路,电流增大,损耗增加;气隙板厚度过大。 As one core material with excellent high-frequency ferromagnetism,Fe-6.5%Si performs obviously reduction on core loss in high field frequency which means much to high frequency,minimization,energy conservation in electric industry.Super low loss was verified by drawing B-P curves based on detected experimental data,and which went equal to Fe-6.5%Si thin strip fabricated by CVD in Japan.Fe-6.5%Si was firstly fabricated as inductor in this research,and its core loss was determined for comparison w... 

本实用新型涉及电工钢加工技术领域，尤其涉及一种电工钢切片用清洁设备，其包括箱体、第一盒体、烘干装置、清洁组件、进水管和出水管；箱体后侧内壁上转动设置导向辊；第一盒体前侧面上设置第二盒体；烘干装置设置在箱体内壁上；第一转动轴转动设置在第一盒体前后内壁上；刷辊设置在第一转动轴上，刷辊上的刷毛与电工钢钢带表面接触；清洁组件设置两组；第二盒体内设置有带动第一转动轴转动且沿第一转动轴轴线方向来回运动的动力组件；两组进水管出水口位于第一盒体上方且朝向电工钢钢带表面；出水管竖直设置在箱体底部。本实用新型中，刷辊转动的同时沿第一转动轴轴线方向来回做往复运动，不存在清洁间隙，提高了清洁效果。

本实用新型涉及到一种应用于硅钢片冲压过程的冲压联动接料装置，包括固定连接在冲头侧面上的连杆，连杆一端远离冲头且连接有一根销，销上转动连接有摆杆，摆杆的一端开设有长孔，销插接在长孔内，摆杆另一端通过铰轴转动连接在机架上，摆杆设置有铰轴的一端连接有一根联臂，联臂下端通过转轴连接有接料盘，转轴与冲台之间设置有平行于转轴的托辊，托辊高于转轴，接料盘接近冲台的一端搁置在托辊上，冲头处于上止点时，接料盘接近冲台的一端伸入冲头和冲台之间且位于冲头正下方，冲头处于下止点时，接料盘接近冲台的一端退出冲头和冲台之间，位于冲台一侧，所述冲头下端面设置有凸模，冲台上端面设置有与凸模配合的凹模。

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. 

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... 

【作者】 张煜； 朱国辉； ...

本发明的一种超低碳含钇取向硅钢及其制备方法，化学组成及质量百分比为Si：2.0～4.5％，C：≤0.003％，Y：0.001～0.1％，Mn：0.1～0.25％，Al：0.01～0.02％，Cu:0～0.3％，S：0.02～0.035％，N：0.009～0.011％，其余为Fe和不可避免的杂质元素。生产工艺为：连铸、铸坯加热、热轧、常化、冷轧、初次再结晶退火、二次再结晶退火。本发明采用超低碳的成分，取消了常规取向硅钢脱碳退火工艺，简化了生产流程。通过稀土微合金化解决了因超低碳成分导致的单向铁素体组织抑制剂析出困难的技术难题。本发明制备的含钇取向硅钢厚度为0.2～0.35mm，磁感应强度B8为1.85～1.94T，铁损P17/50为0.9～1.2W/kg，可以用于变压器的铁芯材料，制备流程更为简洁。

以能量平衡和辐射换热理论为基础,通过合理假定,建立了硅钢无氧化加热炉数学模型。采用数值计算的方法,通过自编程序,完成对带钢加热过程温度场的仿真。结果显示:数学模型能够反映带钢在无氧化炉内的加热过程,其升温曲线能够与工艺曲线相吻合;现行炉温分布并非最优,数学模型能够为炉温分布的优化、炉段的设计提供理论依据。 Mathematical model of NOF Section of Continuous Annealing Furnace is established based on energy balance and radiation heat exchange. The temperature field of steel is simulated by mathematical computation. The simulating results show that the mathematical model can reflect the heating process of silicon steel in NOF section, and the heat-up curve is coincide with the processing curve. From the results,it is known that the current furnace temperature gradient is not the best, and the mathematica...