钢厂
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...
CN202011472273.8一种磁性优良的高磁感取向硅钢的气氛控制工艺
本发明涉及取向硅钢技术领域,且公开了包括以下步骤:步骤一:冶炼,冶炼经转炉和RH精炼后得到钢水,在进行冶炼的过程中通入空气并设置总进气量100‑300Nl/min,且通入的空气中氧含量为20‑21%之间。该磁性优良的高磁感取向硅钢的气氛控制工艺,通过在不同的流程中,加入一定配比的氧气和氮气的含量,有效的提升每个阶段的气氛控制精度,从而得到最终的高磁感取向硅钢达到优良,避免了因气压、流量等因素影响最终高磁感取向硅钢磁力效果,炉渣中FeO含量减少,提高钢回收率和炉衬寿命,进而也起到降低生产成本的效果,且进行精确的气氛控制,使得在进行高磁感取向硅钢的冶炼中,使得冶炼的效果更好,使得冶炼出来的高磁感取向硅钢的磁性更加的优良。
低温取向硅钢热轧析出物与织构的研究
采用低温板坯加热制备取向硅钢,通过透射电镜(TEM)观察并研究热轧板中的析出物,用ODF织构法研究热轧板距表面1/8、1/4和1/2处的织构分布。结果表明,热轧板中的析出物主要是密排六方AlN,AlN形貌呈规则长方形,AlN颗粒大小不等,分布密度低;热轧板中的织构沿板厚方向,由亚表层的{110}<001>织构向1/2中心层的α线织构变化,其中{110}<001>织构在热轧板距表面1/4层处最强。 The low temperature grain-oriented silicon steels were produced by acquired inhibitor method.The precipitates in hot rolling strip were observed and studied by transmission electron microscope,and the texture distribution in 1/8,1/4 and 1/2 layers of hot rolling strip were analyzed by ODF method.The results showed that the square shaped h-AlN is the main precipitates in hot rolling strip.The precipitates are varying in size and distribution.The texture of hot rolling strip in thick direction are...
电感耦合等离子体质谱法测定硅钢中痕量铜和镍
研究了应用电感耦合等离子体质谱法(ICP-MS)测定硅钢中痕量铜和镍的分析方法。采用硝酸分解样品,通过内标校正和基体匹配消除了基体干扰的影响,同时根据测量时存在的质谱干扰情况,选择同位素65Cu和60Ni作为测定元素和通过调节仪器参数使双电荷离子的产率最低,以减少带来的干扰。该方法用于硅钢中痕量铜和镍的测定,所得的结果与ICP-AES法测定结果完全吻合,各元素测定结果的RSD值小于5%,加标回收率为97.3%~100.3%。 A method for the determination trace copper and nickel in silicon steel by inductively coupled plasma mass spectrometry(ICP-MS) was studied.The samples were dissolved in HNO3.The effect of matrix interference was eliminated by internal standard correction and matrix matching.Meanwhile,according to the mass spectral interferences in determination,the isotopes including 65Cu and 60Ni were used as measuring elements.The yield of double-charge ions were minimized by adjusting instrumental parameters...
CN202123333981.6用于变压器铁芯硅钢片的叠片翻转支架
本实用新型公开了用于变压器铁芯硅钢片的叠片翻转支架,包括槽板,所述槽板内部卡装有转板,转板两侧对称安装有卡杆,槽板底部安装有风扇;所述转板另外两侧对称安装有放置槽,放置槽底部卡装有电磁铁,转板两侧皆设置有两组开关;在开关不受到压力时,此时开关所在电路处于通电状态,开关与电磁铁为电性连接,每个开关独立控制一组电磁铁,电磁铁处于工作状态,电磁铁正常运行产生的磁吸力,使得铁芯硅钢片固定在放置槽内,在使用机械臂取用铁芯硅钢片时,机械臂底部连接的触发条持续压迫开关,此时开关所在电路处于断路状态,开关所控制的相应电磁铁不产生磁力,机械臂可以较为容易的取用铁芯硅钢片。
冷轧压下量对取向硅钢极薄带显微组织的影响
观察了取向硅钢极薄带经冷轧至不同厚度,并经过不同工艺热处理后的显微组织及亚结构。结果表明:冷轧压下量越大,显微组织中位错密度越高,冷变形组织越多,等轴晶粒越少;增加冷轧压下量可以使试样的再结晶温度降低,当钢带厚度为0.08 mm时,在650℃退火时就能发生明显的再结晶。 Microstructure and substructure of the grain oriented ultra-thin silicon steel sheets is analyzed,which are rolled down to different thickness and treated with different heat treatment process.The result shows that there are higher dislocation density,more cold deformation structure and less equiaxed crystal grain in microstructure of the steel sheets with more cold rolled reduction.Increase of cold rolled reduction will decrease recrystallization temperature,and when thickness of the steel shee...
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...
无取向硅钢钢液增钛原因分析
对无取向硅钢炼钢全流程钢液增钛的原因进行了分析,认为铁水钛含量、转炉出钢温度、转炉下渣量、精炼渣TiO2含量、钢水罐及RH浸入管混钢种生产是影响钢液增钛的主要原因。通过采取低钛铁水冶炼,减少转炉下渣量,提高出钢温度,添加白灰改质精炼渣等措施,均能够降低钢液中的钛含量。 After analyzing the causes leading to increased content of titanium in molten nonoriented silicon steel during whole steelmaking process, it was concluded that such factors as content of titanium in hot metal, tapping temperature from converter, quantity of roughing slag entered into the ladle from converter, content of TiO2 in refining slag, molten steel ladle car,carrying out the steelmaking of different steel grades by the same ladle and same RH immersion tube were the main causes ...
CN202123143984.3一种硅钢片分流导料机构
本实用新型公开了一种硅钢片分流导料机构,属于硅钢片导料领域,包括传送带,所述传送带包括主带和副带,所述副带设置在主带的前面,所述主带横向设置,所述主带的后面设置有导流机构,所述导流机构包括电机、导流板和助力组件,所述主带的后面设置有安装架,所述安装架的顶部竖向固定连接有连接板,所述电机安装在连接板上,所述电机的输出轴与导流板的顶部固定套接,通过启动电机,电机带动导流板旋转,导流板在连接组件下带动助力组件旋转,使得主带上的物品被导流板进行阻挡,通过助力组件传送到副带上,避免了传送带方向单一,容易导致硅钢片对堆积的问题,从而减少硅钢片的损坏量,进而节约成本。
CN202111560157.6一种取向硅钢高温连续退火炉隔离装置
本发明涉及取向硅钢高温连续退火炉领域,尤其涉及一种取向硅钢高温连续退火炉隔离装置,包括安装在炉壳上的隔离炉门及设置在隔离炉门四周的密封井;隔离炉门顶部两侧安装有水冷却装置;水冷却装置上部设有隔离炉门动力牵引装置;密封井包括固定密封井和伸缩密封井,伸缩密封井位于固定密封井内部并与固定密封井滑动连接,伸缩密封井与固定密封井端部连接处设有密封装置。本发明可以确保隔离炉门升降过程中实现无缝全密封状态,提高密封效果,且采用伸缩密封井实际降低了密封井的高度,间接降低了水冷却装置连接管道上升至最高点的净空标高,与传统固定式密封井高度相比可以降低高度50%~80%,从而降低厂房净空标高,节省厂房基建投资。
CN202180034555.6电磁钢板的制造方法
本发明提供能够制造磁特性与被膜密合性优异的电磁钢板的新颖并且得以改良的电磁钢板的制造方法。一种电磁钢板的制造方法,其特征在于,其包括以下工序:使电磁钢板与溶液相接触,所述电磁钢板以质量%计含有C:超过0%且0.10%以下、Si:2.5%以上且4.5%以下、Mn:0.01%以上且5.0%以下、S、Se及Te中的1种或2种以上的合计:超过0%且0.050%以下、酸可溶性Al:超过0%且5.0%以下、N:超过0%且0.015%以下、P:超过0%且1.0%以下、剩余部分由Fe及杂质构成,其中,上述溶液含有Cu、Hg、Ag、Pb、Cd、Co、Zn及Ni中的1种或2种以上,各元素的浓度合计为0.00001%以上且1.0000%以下。

