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本发明公开了一种高磁感取向硅钢高效脱碳退火工艺,主要工艺流程为:炼钢连铸→热轧→酸洗常化→冷轧→脱碳和初次再结晶退火→渗氮处理(低温Hi‑B)→涂覆氧化镁隔离剂→高温退火→拉伸平整退火→涂覆绝缘涂层→精整,低温HiB不同于高温Hi‑B的工艺流程主要是在脱碳退火后增加了渗氮段。本发明在保证产品实物质量不低于现有水平(国内领先水平)的前提下,使Hi‑B钢退火效率达到世界领先,制造成本大幅降低。
2021-09-26 167 6.8

以市场上购买的取向硅钢成品板为原料,经不同压下率冷轧至0.23~0.08 mm不等。借助X射线衍射仪(XRD)检测了冷轧后样品中的织构组分及其含量,利用电子背散射技术(EBSD)测量了试样的取向因子分布情况。观察了孪晶的形貌与晶体学特征,分析了硅钢超薄带的塑性变形行为。结果发现,在平面压缩应力下,{112}<111>滑移系的取向因子较大。随冷轧压下率的增加,Goss织构的含量逐渐减少,{212}<141>织构组分的含量先增加后减少,{111}<112>织构组分的含量逐渐增加,织构组分以{110}<001>→{212}<141>→{111}<112>顺序演变。冷轧后样品中出现了孪晶,其晶体取向为{001}<110>,冷轧过程中孪晶取向没有发生变化。 The commercial finished oriented silicon steel plate as the raw material were rolled to 0.23-0.08 mm. With the X-ray diffractometer(XRD), the texture components and their volume fractions in the cold-rolled samples were detected. And the orientation factor distribution of the cross-section of the samples was measured by the electron backscattering technique(EBSD). The morphology and crystallographic characteristics of twins were observed, and the plastic deformation behaviors of the ultra-thin o... 
2022-02-28 200 5.8

用还原分离-原子荧光光谱法分析了硅钢中的痕量汞.分析方法的不确定度主要来自测量重复性,样品溶液浓度,工作曲线变动性,标准溶液,移取、配制标准溶液,仪器变动性等.文章分别对上述构成合成不确定度大小的分量进行了计算讨论. Trace mercury in silicon steel and galvanized sheet was analyzed by adopting reduced separation-atomic fluorescence spectrometry.The uncertainty of the analysis method mainly comes from measurement repeatability,sample concentration,working curve volatility,standard solution,pipetting and preparation of standard solution,and instrument variability,etc.The essay conducted all calculations and discussions on the above components that determine uncertainty. 
2013-05-28 177 5.8

为了消除硅钢在连续退火机组产生的浪形缺陷,对浪形缺陷产生的主要原因进行了分析。制定了相应控制措施,对炉内带钢张力、冷却段输出、碳套辊与带钢的同步性、无氧化炉燃烧状态等参数进行了调整;在生产组织上安排高低牌号宽窄规格穿插生产、定期更换碳套辊等,实施后效果明显。 The main cause leading to waviness defects of silicon steel is analyzed in order to eliminate the waviness defects of silicon steel in continuous annealing line.And thus corresponding measures for controlling these defects are made by means of adjusting these parameters such as the tension of silicon steel coils in continuous annealing furnace,the output in cooling section and the combusting condition of the non-oxidation furnace as well as keeping the synchronization between carbon sleeved roll... 
2013-03-28 162 5.8

本实用新型公开了一种取向电工钢的多项性能检测装置,涉及取向电工钢技术领域,为解决检测装置在对取向电工钢涂层性能检测时较为繁杂,增加了检测难度,检测的误差增加,且检测装置的性能检测较为单一,检测效果不佳的问题。所述底座的上方设置有安装架和吊梁架,所述安装架上设置有输料辊,输料辊设置有两个,两个所述输料辊之间设置有输送带,所述吊梁架的下方设置有弹性胶带,所述弹性胶带上方的两侧均设置有第三电动伸缩杆,且第三电动伸缩杆的两端分别与吊梁架和弹性胶带通过螺钉连接,所述弹性胶带的一侧设置有检测架,所述检测架上设置有激光灯、第一滤光片、接收器、第二滤光片和聚光片,所述激光灯和第一滤光片设置在弹性胶带的上方。
2021-11-24 192 6.8

采用光学显微镜和X射线衍射仪研究了常化退火处理对无取向硅钢热轧板和成品退火板显微组织和织构的影响。结果表明:常化退火处理消除了热轧板中的变形组织,促使变形晶粒完成再结晶;常化退火处理使高斯织构和立方织构易通过再结晶在变形带内形核和长大,可显著降低成品退火板的{111}和{112}不利织构组分的占有率,提高{100}和{110}有利织构组分的占有率,从而有利于提高无取向硅钢成品板的磁性能。 The effect of normalizing annealing treatment on microstructure and texture of non-oriented silicon steel hot rolled plates and final products were investigated by means of optical microscope and X-ray diffractometer analysis.The results show that the deformed microstructure of the hot rolled plates transformed into recrystallized grain after normalizing annealing treatment.The grains of Goss texture and cubic texture crystallographic orientation were formed and grown by recrystallization in the... 
2013-02-28 199 5.8

根据本发明的一个实施例的取向电工钢板用退火隔离剂组合物,其包含复合金属氧化物,复合金属氧化物包含Mg和金属M,金属M是Be、Ca、Ba、Sr、Sn、Mn、Fe、Co、Ni、Cu和Zn中的一种以上。
2020-12-17 189 6.8

本发明涉及冶金技术领域,具体涉及一种硅锰镇静无取向硅钢的生产方法及浸入式水口。本发明提供的硅锰镇静无取向硅钢的生产方法,包括如下步骤:1)转炉出钢:转炉出钢后对钢水进行真空抽渣,抽渣结束后向钢水中加入石灰、萤石造渣,待渣料熔化后将钢水运至RH工位处理;2)RH真空精炼:将运至RH工位的钢水通过RH真空精炼处理后进行破空、出钢,出钢后在钢包渣面加入渣面脱氧剂以对炉渣进行扩散脱氧;3)连铸浇注:对加入渣面脱氧剂的钢水采用浸入式水口进行浇注。本发明提供的生产方法可有效改善浸入式水口的侵蚀状况,提高浸入式水口的使用寿命,增加连浇炉数,进而提高连铸坯质量稳定性,降低生产成本。
2021-08-05 154 6.8

分析了太原钢铁(集团)有限公司第二炼钢厂80 t RH生产冷轧硅钢脱碳、脱硫原理及影响因素,认为通过合理控制RH到站钢水碳和氧含量、加大插入管内径、采用快速抽真空度等可提高脱碳效果。降低顶渣中FeO和MnO含量,保证脱硫剂加入后的循环时间可以提高RH脱硫率。 The present article analyzes the principle of decarburization and desulfurization in refining the cold rolled silicon steel in the 80 t RH in No.2 Steelmaking Plant of Taiyuan Iron & Steel(Group) Corp.,and its influencing factors.It’s determined that the decarburization effect can be achieved by properly controlling the cabon and oxygen contents in the hot metal coming into the RH station,enlarging the inner diameter of snorkel and adopting the fast evacuation method.In the meanwhile the des... 
2013-04-28 145 5.8

本实用新型公开了一种变压器铁芯硅钢片的堆叠装置,包括底座、摆动机构、摆动板和垫高倾板,所述底座上设置有摆动机构,所述摆动板的一端铰接设置在底座上,且所述摆动板间距于摆动轴线的板体与摆动机构对应设置,所述摆动机构驱动摆动板在竖向面内进行往复摆动,所述垫高倾板间距于摆动板设置在底座上,且所述垫高倾板与摆动板之间构成用于叠放硅钢片的叠放区,所述叠放区的底部呈高低倾斜设置,且所述叠放区的低端侧朝向于摆动板,能够使得硅钢片的收集简单,且十分整齐。
2021-12-30 314 6.8

本实用新型涉及热轧设备技术领域,公开了一种高磁感取向硅钢加工用具有定位结构的热轧装置,包括:机体,所述机体的下端固定有底座,所述机体的上端固定有顶板,所述机体的中部开设有安置腔,所述安置腔的两侧内壁开设有滑槽,所述顶板的上端嵌装有液压杆,且液压杆的伸缩端贯穿在安置腔的内部,所述液压杆的伸缩端固定有第一辊座,所述第一辊座的下方安置有第二辊座。该高磁感取向硅钢加工用具有定位结构的热轧装置设置有辊盘,辊盘用于通过螺栓固定内侧的轧辊,使得轧辊能够跟随辊盘的转动而转动,动力传输较为稳定,且轧辊可以从辊盘上进行拆卸,在轧辊损坏进行应急处理时操作更加便利,轧辊便于更换和维护。
2021-12-12 159 6.8

常化快冷是生产高牌号无取向硅钢和高磁感取向硅钢不可缺少的一个工艺环节,气-雾冷却则是实现常化快冷的关键方式之一。介绍了国内自主设计建设的常化酸洗机组气雾冷却系统的技术特性,并对其特点进行了系统分析,最后给出该系统在设计、运行参数的选择上若干注意事项,对气-雾冷却系统设计和使用具有一定的指导作用。 The normalizing rapid cooling is a indispensable process to high grade non-oriented silicon steel and high magnetic induction oriented silicon steel’ s production. The fog cooling is a key ways of coming true the normalizing rapid cooling. This paper introduces the technical features of the fog cooling system in normalizing pickling line which is the domestic independent design and construction. Meanwhile,the fog cooling system’s characteristic is analyzed systematacially. In the end,this paper ... 
2014-03-28 165 5.8

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