钢厂
本钢无取向硅钢热轧生产工艺路线的实践
冷轧无取向硅钢是高技术含量、高附加值产品,工艺复杂,生产周期长,过程控制难度大,被誉为钢铁产品中的\"工艺品\"。热轧生产工艺又是无取向硅钢生产的重中之重,直接决定了硅钢的铁损和电磁性等多项指标。 Cold rolled non-oriented silicon steel is high technology content 、high added value product. Its process is complex, its production cycle is of length, and its process control is difficult, which is known as the iron and steel products \" Arts and crafts\". Hot rolling production process is the top priority of non-oriented silicon steel, which directly determines iron loss of the silicon steel and electromagnetic property,as well as other many index.
冷轧大压下量下新型无取向电工钢的退火组织演变
研究了冷轧大压下量,950℃退火时间对一种新型含铜无取向电工钢晶粒度和织构的影响。结果表明,大压下量冷轧,随压下量的增加,退火晶粒向γ线聚集,形成强{111}<112>织构。提高冷轧压下率,退火织构{111}<100>,{110}<001>强度减弱,增加退火时间,退火织构{111}<110>,{100}<001>,{110}<001>强度变弱。采用87.5%冷轧压下率和950℃退火60 s,有利织构{100},{110}占有率最大。 The effect of annealing(950 ℃) time with high cold rolling reduction on grain size and texture of a new non-oriented electrical steel containing copper was investigated.The results show that for high cold rolling reduction,most annealed grains are oriented along γ-fibre with increasing cold rolling reduction ratio and strong texture {111}<112> is formed.With increasing the cold rolling reduction ratio,the intensity of annealed texture {111}<110>,{011}<100> decreases.With increa...
CN202023335711.4硅钢拉伸平整用转向辊
本实用新型属于输送设备技术领域,具体涉及一种硅钢拉伸平整用转向辊,包括辊本体,辊本体的中部可拆卸的安装有环形凸块,环形凸块的宽度在350‑450mm,环形凸块的厚度在3‑5mm。在本方案中,在辊本体的中部设置环形凸块,环形凸块能较好的与硅钢的中部位置接触贴合,辊本体通过环形凸块除了能较好的将硅钢输送向前,还能有效防止硅钢跑偏。环形凸块可拆卸的安装辊本体上,当环形凸块使用了一段时间发生了严重的磨损时,更换新的环形凸块即可,无须更换辊本体,有效节省成本。
CN202123114529.0一种高磁感取向硅钢加工用拉伸装置
本实用新型公开了一种高磁感取向硅钢加工用拉伸装置,涉及硅钢加工技术领域,包括安装架,所述安装架的后端安装有两个驱动电机,两个所述驱动电机的输出端均连接有下输送辊,所述下输送辊的左侧设置有下调节辊,所述下调节辊和下输送辊的末端均固定有限位圈,所述下输送辊的上方设置有上输送辊,所述上输送辊的左侧设置有上调节辊,所述上调节辊和下调节辊的内部均设置有连接杆,所述连接杆的外表面设置有卡块。该高磁感取向硅钢加工用拉伸装置通过设置的驱动电机,能够带动下输送辊转动,从而对工件进行输送,通过设置的连接杆和卡块,使得下输送辊转动时能够带动下调节辊转动,提高工件的输送效率。
取向硅钢含铬无机绝缘涂层的研究进展
绝缘涂层可以有效提高硅钢片的耐蚀、耐腐、磁、绝缘等性能,因此取向硅钢涂装绝缘涂层是取向硅钢生产过程中重要的一环。本文对取向硅钢含铬无机绝缘涂层以及氮化铬涂层的性能优缺点进行了介绍,并对国内无机含铬取向硅钢绝缘涂层及氮化铬涂层的研究现状进行了综述。最后对未来含铬无机绝缘涂层的研发方向进行了展望。 Insulation coating can effectively improve the corrosion resistance of silicon steel sheet, such as corrosion, magnetic, insulation performance, thus oriented silicon steel insulation coating is the important part of oriented silicon steel production process. In this paper, the inorganic insulation coating oriented silicon steel containing chromium and chromium nitride coating performance advantages and disadvantages are introduced.In addition, the research status of insulation coating and chrom...
CN202011508234.9一种带有紧固硅钢带的非晶合金铁心制造方法
本发明公开了一种带有紧固硅钢带的非晶合金铁心制造方法,包括以下步骤:步骤(1):切割非晶带材片和紧固硅钢带;步骤(2):对所述非晶带材片和紧固硅钢带进行套装与成型,每组非晶带材片两端搭接,紧固硅钢带设置于非晶带材片之间,得到成型铁心;步骤(3):对所述成型铁心进行磁场热处理;步骤(4):对所述成型铁心进行表面涂封。通过本发明提供的方法生产非晶合金铁心,操作方便、提升非晶合金铁心的结构稳定性,并且进一步降低铁心因磁致伸缩产生的噪声。
硅钢连退机组无氧化炉加热能力计算
无氧化炉具有加热效率高、投资与运营成本低、作业率高、表面质量及板型良好、NOx排放相对低等优势,在硅钢热处理领域应用前景广泛。本文阐述了确定无氧化炉(NOF)加热能力详细过程,涵盖炉温、炉断面尺寸、炉长、热平衡结算、加热能力计算等,为今后无氧化炉(NOF)在硅钢热处理应用时的设计提供了借鉴,同时也为今后明火直接加热的工业炉设计提供了参考。 Non-oxidation furnace has the advantage s of high heating efficiency, low investment and operation cost, high operation rate, good surface quality and plate shape, and relatively low NOxemission,and it still has wide application prospect in the field of silicon steel heat treatment. The detailed process of determining the heating capacity of a non-oxidizing furnace(NOF) is described, covering furnace temperature, furnace section size, furnace length, heat balance settlement, heating capacity cal...
CN202111458743.X一种超短流程稀土取向硅钢及其制备方法
本发明属于冶金技术领域,涉及一种超短流程稀土取向硅钢及其制备方法,化学组成及其重量百分比为Si:2.0~4.5%,C:≤0.003%,Y:0.001~0.05%,Mn:0.15~0.35%,Al:0.03~0.04%,Cu:0~0.5%,S:0.025~0.04%,N:0.011~0.013%,其余为Fe和不可避免的杂质元素。制备工艺包括:钢水冶炼、薄带连铸、冷轧、再结晶退火。与常规生产方式相比,取消了连铸、粗轧、热连轧、常化和脱碳退火等工序,极大简化了生产流程。通过添加稀土元素钇,促进了抑制剂的析出,还显著细化了薄带连铸硅钢的凝固组织,提高组织均匀性,获得了均匀细小的等轴晶,优化了取向硅钢的性能。
CN202130354877.1硅钢片横剪线
1.本外观设计产品的名称:硅钢片横剪线。;2.本外观设计产品的用途:对硅钢片料带的冲切、裁断。;3.本外观设计产品的设计要点:在于形状与图案的结合。;4.最能表明设计要点的图片或照片:立体图。;
CN202111069865.X一种改善高牌号无取向硅钢冷轧断带的控制方法
本发明涉及无取向硅钢技术领域,尤其涉及一种改善高牌号无取向硅钢冷轧断带的控制方法。按重量百分比计:[Si+Al]≥4.0%;Mn、S含量满足:S≤0.0015,[Mn]/[S]:200~400;1)热轧过程中使用保温罩,热轧轧制时投入边部加热,头尾100米内卷曲温度提高15~30℃;2)常化机组圆盘剪进行边部剪边前增加加热装置,剪切后增加毛刺打磨装置,采用煤气明火加热,保证钢板温度在韧脆转变温度以上;3)圆盘剪间隙满足关系式:ds=(0.15~0.45)d0ds:圆盘剪间隙,μm;d0:常化板板厚,mm;4)常化采用快速加热,控制钢带的预热段升温速度320~380℃/min,机组速度20~30m/min;5)常化工艺后,控制边部小于20μm的晶粒占比在5%以内。有效的减少了冷轧断带的发生,提高成材率1.30%以上,降低了生产成本。
辉光放电发射光谱法测定电工钢中8种元素
通过对辉光放电发射光谱法分析电工钢样品光谱行为的研究,分析其工作参数如:电压、电流、预溅射时间和积分时间对光谱强度和稳定性的影响,并以铁为内标元素,优化了工作参数。确定了直流辉光放电光谱法测定电工钢中碳、硅、锰、磷、硫、铬、镍、铜共8种元素的定量分析方法,并对该方法分析的精密度和准确度进行验证,结果表明,各元素的测定结果与认定值和其他方法测定值一致,测量元素结果RSD值小于2%。 Based on research on analyzing the spectrum behavior of the sample taken from the electrical steel by glow discharge optical emission spectrometry,the effect of its operational parameters such as current,voltage,pre-sputtering time and integrating time on the spectral intensity and spectral stability is analyzed.Taking the Fe as an element applied by internal standard method,these operational parameters are optimized,and therefore the quantitative analysis method for testing eight kinds of eleme...
双取向硅钢在制备过程各阶段的织构和微结构
利用X-射线衍射织构分析和线形分析技术测定了交叉轧制双取向硅钢在制备工艺各阶段的织构及微结构,进而探讨了立方织构({100}<001>)的形成过程。通过对实验结果的分析可知,二次冷轧和交叉轧制工艺为立方织构提供了内能优势和有利的形变织构,而低温预退火工艺既强化了立方织构的内能优势,又为立方织构的异常长大提供了有利的组织保证,最终在抑制剂(AlN和MnS)的协同作用下,硅钢在二次再结晶退火后形成了强烈的立方织构。 The texture and substructure of the double oriented electrical steels produced by the cross rolling technology during the difference process has been measured by means of the X-ray texture and diffraction peak profile analysis technology,and research the formation mechanism of cube texture,{100}<001>.The results show that the dominances of inner energy and deformation texture were supplied by secondary cold rolling and the cross rolling technology and strengthened by pre-annealing at a low...

