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提出了一种基于爱泼斯坦方圈族(包括标准25cm爱泼斯坦方圈、缩比的17.5cm和20cm爱泼斯坦方圈)和二级加权处理方法对爱泼斯坦测试数据,包括有效磁路长度、比损耗、励磁功率,进行处理的晶粒取向电工钢磁性能扩展模拟方法。详细地考察了励磁频率、试样剪切角度和环境温度对爱泼斯坦方圈测量结果的影响。研究结果表明,利用本文提出的爱泼斯坦方圈组合以及二级加权处理技术,可以有效地建立取向电工钢损耗模拟模型,从而更加准确地确定了取向电工钢的损耗,改善并提高了爱泼斯坦磁性能测试数据的应用价值。 The extended modeling of the magnetic properties of GO(grain oriented) electrical steel is presented in this paper which is based on a set of standard and scaled-down Epstein frames and a proposed two-level weighted processing of Epstein data, including the mean magnetic path length, specific magnetization loss and exciting power. The effects of excitation frequency, strip angle and ambient temperature on the results obtained from the Epstein frames are investigated. It is shown that using the p... 
2014-09-28 103 5.8

提供一种如下的无取向性电磁钢板用钢板:含有:C:0.0040%以下、Si:1.9%以上3.5%以下、Al:0.10%以上3.0%以下、Mn:0.10%以上2.0%以下、P:0.09%以下、S:0.005%以下、N:0.0040%以下、B:0.0060%以下;剩余部分由Fe和杂质构成;分别从板宽方向的两端部向板宽中央10mm的各位置的板厚方向截面组织的重结晶率不足50%;将板宽记为W时,分别距板宽方向的两端部1/4W的位置的板厚方向截面组织的重结晶率在50%以上。
2021-02-19 80 6.8

本实用新型公开了一种取向硅钢加工用的酸洗除杂装置,包括装置主体,所述装置主体一侧固定安装有进气机构,所述装置主体内部活动安装有硅钢片,所述装置主体上方活动安装有一号转杆,所述一号转杆一侧活动安装有二号转杆,所述一号转杆和所述二号转杆外侧表面均安装有柔性吸附套筒,所述一号转杆和所述二号转杆一侧均活动安装有刮杆,所述装置主体前表面固定嵌入安装有一号进气管。本实用新型所述的一种取向硅钢加工用的酸洗除杂装置,能够在取向硅钢酸洗时,加快取向硅钢上方和下方的溶液流通,使酸洗装置内部的溶液浓度保持均匀,且使取向硅钢在酸洗后表面的溶液能快速风干,避免酸溶液过度与取向硅钢发生反应,以免对取向硅钢造成损伤。
2021-11-22 98 6.8

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. 
2014-02-28 133 5.8

本发明涉及一种常化后免酸洗生产取向硅钢的方法,取向硅钢的生产工艺路线为:冶炼→连铸→热轧→常化退火→拉伸矫直→抛丸→冷轧→脱碳退火→渗氮→涂MgO→高温退火→热拉伸平整及涂绝缘膜;本发明在常化退火后通过物理方法去除带钢表面的氧化铁皮,且效率高、效果好、操作简单、易于控制;与常规工艺相比,省去了酸洗及后续废酸处理工作,排除了酸雾对环境的污染,消除了取向硅钢带因酸洗而产生的潜在缺陷,产品质量更加稳定可靠。
2021-02-09 98 6.8

分别采用传统冷轧轧制液和纳米TiO2的冷轧轧制液,对无取向硅钢板进行了四辊冷轧实验.重点研究两种冷轧轧制液的轧制润滑性能和对轧后硅钢薄带表面质量和耐蚀性能的影响.通过场发射电子显微镜和能谱仪对使用两种轧制液轧后得到的硅钢薄带表面形貌和成分进行了分析.给出了轧制液中TiO2纳米粒子在轧制过程中的抗磨减摩机理.在轧制载荷较高时,纳米TiO2轧制液具有优良的轧制润滑性能并能显著改善轧后硅钢薄带的表面质量.同时在高载荷作用下,TiO2纳米粒子被压入硅钢薄带基体,形成一个滑动系来支撑载荷,从而使润滑膜的耐磨性提高. Non-oriented silicon steel strips were rolled on a four-high cold rolling mill lubricated by a traditional cold rolling liquid and a nano-TiO2 cold rolling liquid,with emphasis on studying the rolling lubrication performance of both the liquids and their effect on the surface quality and corrosion resisting property of the silicon steel strips.The surface micrograph and composition of the silicon steel strips after being rolled with both the liquids were characterized by field emissio... 
2013-04-28 106 5.8

采用双辊连铸工艺制备了硅的质量分数分别为0.5%,1.0%,3.0%,4.5%的硅钢薄带,用光学显微镜观察其组织,并研究了后处理工艺对薄带组织和性能的影响。结果表明:硅含量为0.5%和1.0%的薄带适合采用一次冷轧+850~950℃退火的后处理工艺,而硅含量在3.0%以上的薄带适合采用二次冷轧+950℃退火的后处理工艺;硅含量为3.0%和4.5%的薄带在冷轧并950℃退火后,其磁性能最佳,铁芯损耗约为4.30 W·kg-1,磁感应强度约为1.68T。 Silicon steel thin strips with silicon content of 0.5wt%,1.0wt%,3.0wt%and 4.5wt%were prepared by twin-roll continuous casting process,and the microstructure of the strips were observed by means of optical microscopy,and on the basis,the effect of post-treatment process on microstructure and properties of the strips was studied.The results show that the post-treatment process of one-time cold rolling and annealing between 850—950℃was suitable for the strips with silicon content of 0.5wt%and 1.0wt... 
2011-08-28 102 5.8

主要对硅钢退火炉耐材施工进行阐述,对一期工程与二期工程施工经验进行总结,包括设计、施工、耐材生产、人员素质等方面,指出了工程项目所所存在的不足,为同类型炉窑的施工提供借鉴。 This paper describes the construction of silicon steel annealing furnace refractories;and it was summarized the construction experience of phase-Ⅰ and phase-Ⅱ projects,including design,construction,refractory production,the quality of personnel etc,and pointed out the shortcomings of the project,which provided a reference for the construction of the same type of furnaces. 
2023-05-11 1.26k 5.8

就冷轧硅钢废水处理生产中面临的主要问题进行分析,从技术角度及运行管理角度提出工艺优化升级改进措施及应对策略;同时从后续深度处理,逐步实现零排放目标的角度进行探讨,为冷轧硅钢废水减量化、出路乃至废水零排放提供一些思路。 The main problems in the wastewater treatment process of cold-rolled silicon steel lines are analyzed and process upgrading measures and optimization strategy are put forward from both technical and management views.At the same time,downstream deep treatment to gradually achieve the target of zero discharge is discussed,to provide some ideas for reduction or even zero discharge of wastewater from cold-rolled silicon steel lines. 
2014-06-28 92 5.8

介绍了烟气余热利用系统的工艺流程及控制思想,结合该系统在钢厂硅钢连续退火机组中的应用实践,估算出烟气余热利用系统每年可节约蒸汽5 040 t,经济效益良好,同时分析了该系统存在的问题及对策。 Introduced a method about the process and control of the application of waste heat system, which had been used into a silicon steel continuous annealing line and profiting a good economic benefit by saving a large number of steam every year, which has been estimated about 5 040 tons, and analyzed the problems and solutions existed in this system. 
2014-02-28 81 5.8

本发明公开了叠片装置,以及采用该叠片装置的硅钢片收料设备,包括分料装置和本发明第一方面实施例的叠片装置,分料装置包括有分料件、上分料传送带和下分料传送带,上分料传送带的一端和下分料传送带的一端与分料件连接,分料件用于将硅钢片分别输送至上分料传送带和下分料传送带,本发明第一方面实施例的叠片装置,叠片装置的数量为两个,两个叠片装置上下平行设置,并且分别与上分料传送带和下分料传送带的远离分料件的一端连接。根据本发明的叠片装置,以及采用该叠片装置的硅钢片收料设备,可实现硅钢片的自动叠片,提高生产效率。
2020-12-31 87 6.8

一种在取向硅钢中获得沿晶断口的方法:将取向硅钢样品加工成俄歇电子能谱仪标准试样;对标准试样进行表面清理;充氢:将标准试样所设定的预设断口处放入充氢装置的含硫脲溶液中,并使取向硅钢样品为阴极;将铂片置入并作为阳极;阴极充氢电流为1.25~1.35A,充氢电流密度在0.1~0.8A/m2,充氢时间在12~50h,充氢电压为36~39V;进行表面分析。本发明不仅工艺简单,便于操作,用时短,所用毒化剂是硫脲,从而避免了采用剧毒的三氧化二砷作为毒化剂,对人体健康有极大威胁的问题,且所获得的取向硅钢断口均为典型沿晶断口,适用于取向硅钢晶界偏聚行为以及晶界微区成分分析。
2020-12-29 103 6.8

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