钢厂
CN202122375147.7一种用于电机生产的硅钢片放料机构
本实用新型公开了一种用于电机生产的硅钢片放料机构,包括用于传输硅钢片的传送机构和用于堆叠的放料机构以及用于旋转位移的旋转机构,所述传送机构出料端设置有所述放料机构,所述放料机构安装在所述旋转机构上端,所述放料机构下侧设置有推动机构。本实用新型利用传送机构、放料机构配合,保证了硅钢片的传输效果和放料效果,从而保证了硅钢片在放料堆叠过程的稳定性和安全性,提高加工效率,利用放料机构、推动机构配合,在后期放料堆叠后能够快速进行捆扎和运输。
CN202121131253.4一种高强度变压器取向硅钢片
本申请提供了一种高强度变压器取向硅钢片,属于变压器硅钢片领域,该一种高强度变压器取向硅钢片,包括第一硅钢片本体和固定机构,所述第一硅钢片本体表面开设有两个第一通孔、两个第一通槽和一个第二通槽,所述第一通槽间隔设置在两个所述第一通孔之间,所述第一硅钢片本体表面设有滑条,所述第二硅钢片本体插接在所述通槽内,所述第一螺纹杆插接在所述第二通孔内,所述第二螺纹杆插接在所述第一通孔内,所述螺帽螺纹连接在所述第一螺纹杆和所述第二螺纹杆两端,该一种高强度变压器取向硅钢片能够将垂直和横向均产生拉力来固定硅钢片减轻了振动,噪音小且利用凹槽和滑条进行堆叠能够精确的将硅钢片表面的通孔对齐。
基于人工神经网络-遗传算法的取向硅钢刻痕工艺优化
为了优化激光刻痕降低取向硅钢铁损的工艺,寻找刻痕速度、脉冲能量、扫描间距等重要刻痕参数的最佳匹配关系,提出了一种基于人工神经网络与遗传算法的优化模型,并利用这种模型对30Q130取向硅钢材料的刻痕工艺进行了优化实验,结果表明,这种模型稳定可靠,可以作为取向硅钢刻痕工艺优化的一种有效的措施。 A laser is often considered to scribe the grain-oriented silicon steel surfaces after cold-rolling and annealing to reduce the core loss.It is necessary to select the best scribing parameters to maximize the reduction in this process.This paper proposes an optimization method of genetic algorithm during laser scribing of 30Q130 steel,by developing an artificial neural network prediction model using a database form a designed orthogonal experiment.The objective is to determine the best combinatio...
CN202110006701.6消除取向硅钢单边浪缺陷的方法
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。
无取向电工钢硫含量控制技术研究
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 ...
无取向电工钢XG800WR连铸电磁搅拌试验研究
采用铸坯低倍组织检验和化学分析的方法,研究板坯连铸机二冷区电磁搅拌器电流和频率参数对无取向电工钢XG800WR板坯中心偏析和等轴晶率的影响,结果表明:铸坯等轴晶率随着搅拌器电流强度和电流频率的增大而增加。采用二冷区电磁搅拌可减小中心易偏析元素S的偏析,试验得出:减小铸坯S偏析效果最好的电磁搅拌参数为电流380~400A,频率6Hz。 The effect of electromagnetic stirring current and frequency parameter at secondary cooling area on the central segregation and equiaxed crystal ratio of XG800WR non - oriented electrical steels slab was investigated through the methods of chemical and macrostructure analysis.The results shows that the rate of equiaxed crystal zone is going up with increasing of current intensity and current frequency.Electromagnetic stirring in the secondary cooling area can be easily reduced segregation caused...
CN202111187042.7具有优异铁损和磁性能的无取向电工钢及其生产方法
本发明涉及一种具有优异铁损和磁性能的无取向电工钢及其生产方法,电工钢成分及质量含量为C≤0.0015%,Si:1.10‑1.40%,Mn:0.35‑0.55%,P≤0.018%,S≤0.003%,Al:0.20‑0.30%,Ti≤0.0015%,N≤0.0028%,O≤0.0015%,N+O≤0.0040%,余量为Fe和不可避免的杂质。生产方法包括铁水预处理、转炉冶炼、RH精炼、连铸、轧制、常化、冷轧、连退和涂层工序。本发明电工钢热轧成品微观晶粒尺寸70‑95μm,对铁损和磁性能有利的(100)组织织构控制在82‑92%,成品P15/50:3.5‑4.0w/kg,B50:1.70‑1.98T。
CN202111291459.8一种提高超高磁感取向硅钢底层质量的退火隔离剂及其制备方法和应用
本发明公开了一种提高超高磁感取向硅钢底层质量的退火隔离剂及其制备方法和应用。本发明所述退火隔离剂包括如下组分:MgO、TiO2、硼酸、Na2O、Sb2(SO4)3;以MgO质量为标准,其余各组分相对MgO的质量百分数为:TiO21.9~40%,硼酸0.05~0.1%,Na2O1~5%,Sb2(SO4)31~5%。本发明制备的退火隔离剂提高了超高磁感取向硅钢的成材率;提高了取向硅钢的底层附着性,降低了产品让步率;制备的超高磁感的取向硅钢可满足高容量变压器的使用要求。
承钢无取向电工钢CGW800的研发
承钢采用铁水预处理(脱硫)→转炉提钒→转炉冶炼→RH精炼→连铸→轧制工艺,成功研发了无取向电工钢CGW800。试制的CGW800钢碳含量≤0.006 0%、氮含量<0.004 0%,热轧后的金相组织为铁素体和少量渗碳体,晶粒度5.5级,获得了较粗大、均匀的晶粒,钢板的成分和力学性能达到了标准要求。 In Cheng Steel,the CGW800 non- oriented electrical steel is successfully developed with process of hot metal pre- treating,vanadium extracting with converter,smelting with converter,RH refining,continuous casting and rolling. In the steel,the carbon content is not higher than 0. 006 0%,nitrogen less than0. 004 0%,the metallographic structure after hot rolling is ferrite and a little amount of cementite,grain size is 5. 5 degree,relative large and even grain got. The composition and mechanical pr...
电子探针波谱仪定量测定硅钢中硅含量结果的不确定度评定
依据GB/T 15616—2008《金属及合金的电子探针定量分析方法》,采用电子探针波谱仪对某W600硅钢中的硅含量进行了定量测定,对影响其定量测定结果的不确定度分量进行了分析,并对不确定度的各个分量进行了计算和合成,最后给出了硅钢中硅含量测定结果的不确定度报告:该硅钢中的硅含量(质量分数)为1.50%,扩展不确定度U=0.20%,取包含因子k=2。 According to GB/T 15616-2008\"Quantitative Method for Electron Prohe Microanalysis of Metals and Alloys\",the quantitative results of Si content in some W600 silicon steel was measured hy EPMA-WDS.The uncertainty components which might affect the measurement results were considered,calculated and synthesized. Finally the uncertainty result for the quantitative value of Si content in the silicon steel was got.The mass content of Si was 1.50%,and expanded uncertainty U=0.20%under the condition of co...
压下率对取向硅钢热轧板织构的影响
采用X-射线衍射分析技术测定了取向硅钢热轧板在不同压下率下不同厚度处的织构。结果表明,在压下率低于80%的情况下,几乎所有试样的不同厚度处的织构均为旋转立方织构类型{100}<011>,但不同压下率、不同厚度处的织构强度存在很大差异;在压下率大于80%的情况下,不同试样的不同厚度处的织构类型发生了变化,其织构类型为旋转立方织构或高斯织构{011}<100>,且当织构类型为旋转立方织构时,织构强度存在很大差异,而当织构类型为高斯织构时,织构强度差异相对较小。 The texture of the grain oriented silicon steel hot rolled plate at different compressibility has been measured.The experimental results have shown that the texture of all samples at different thickness is {100}<011> when the compressibility is below 80%,and its intensity at different compressibility and thickness is difference.The texture of all samples at different thickness is variable when the compressibility is above 80%,it is {100}<011> or {011}<100>,and the intensity of ...
低温板坯加热取向硅钢形变和初次再结晶织构的演变规律
采用取向分布函数和取向线分析方法对低温板坯加热取向硅钢从热轧到初次再结晶工艺阶段的织构进行了研究。研究表明:一次冷轧后各层的织构组分与热轧板各层面的织构组分存在着继承关系,次表层存在很强的{001}<110>织构,中心层的织构和热轧板的中心层相似,存在强的{001}<110>和{112}<110>织构;中间退火后发生再结晶,各织构组分的强度有所减弱,Goss织构组分再次出现;二次冷轧后沿厚度方向上的织构不均匀性不明显,{111}<112>织构强度最高,几乎是其他织构组分的1倍,{001}<110>织构大幅降低;初次再结晶后织构沿厚度方向没有明显的不均匀性,{111}<110>为最强的织构组分,并且具有一定强度的Goss位向。 The texture from the first cold rolling to the primary recrystallization of low temperature slab reheating grain-oriented electrical steel were researched by orientation distribution function and orientation distribution intensity technique.The results show that after the first stage of cold rolling,there is a strong {001}<110> texture in the subsurface and the texture in center layer is very similar to the center layer of hot band which has strong {001}<110> and {112}<110> tex...

