钢厂
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...
CN202110086102.X一种高硅钢及其制备方法
本发明提供了一种高硅钢及其制备方法，所述高硅钢由如下质量分数的化学成分组成：Si：5.0‑7.0％，Ni：0.001‑0.05％，Ce：0.0001‑0.0002％，其余为Fe和不可避免的杂质。本发明提供的高硅钢的延伸率为15‑22％，抗拉强度为739‑824MPa，磁感应强度B8为1.26‑1.29T，铁损P2/10k＝68‑80W/kg，矫顽力为10.6‑13.4/m，最大磁导率为19000‑25000，具有良好的磁性能和延伸性能，易加工且可大规模生产应用。
无取向电工钢HW600高温变形抗力的研究
在Gleeble-3500热/力模拟试验机上对HW600钢进行高温压缩试验,研究在不同试验条件下的变形抗力。试验结果表明:变形温度对变形抗力的影响最为显著,在相同的变形速率下,随着变形温度的升高,变形抗力降低;在同一变形温度下,变形速率增大,变形抗力增加;在同一变形温度、变形速率下,随着变形程度的增加,变形抗力急剧增大,真应变达到0.1后,变形抗力增加趋势变缓。 The high-temperature compression test is done for HW600 steel with Gleeble-3500 thermal simulation testing machine to research its resistance to deformation under different test conditions.It is showed from result that deformation temperature has greatest effect on the resistance,and along with the temperature getting higher the resistance lowered under same deformation rate;the resistance increases along with deformation rate getting greater under same temperature;and under same deformation tem...
CN202120558972.8一种硅钢片横剪线裁切设备
本实用新型公开了一种硅钢片横剪线裁切设备，包括：本体，所述本体包括工作台、挡屑罩和裁切装置，所述挡屑罩内水平固定安装有横杆，所述裁切装置与横杆下表面滑动连接；两个定位机构，所述定位机构包括第一螺纹杆、第一滑块和压板，所述挡屑罩内壁开设有两个安装槽，两根所述第一螺纹杆分别转动安装在两个安装槽内，两个所述第一滑块分别螺纹套设在两根第一螺纹杆上，两个所述压板分别与两个第一滑块远离安装槽槽底的一端水平固定链接；两个驱动机构，所述驱动机构用于控制第一螺纹杆发生转动。通过驱动装置控制定位机构中压板在垂直方向上的位置便可快速实现对硅钢片的定位工作和解除工作，方便快捷，提高了裁切工作的效率。
电力系统绝缘子防污闪纳米硅钢涂层应用研究
为了更好的解决电力系统防污闪涂料RTV-Ⅰ长期应用暴露出来的问题以及目前RTV-Ⅱ防污闪涂料存在的一些不足,结合具体实际需求,在电力系统外绝缘领域,应用新型防污闪硬质涂层——防污闪纳米硅钢涂层,并对分别喷涂了防污闪纳米硅钢涂层以及RTV涂料的绝缘子进行对比运行情况研究分析。研究结果表明,防污闪纳米硅钢涂层是一种同时具有优异憎水性迁移性能和自洁性能的新型涂层,具有良好的应用前景。 In order to solve the problem exposed of anti-pollution flashover coating RTV-Ⅰwhich has been used long-term in power system,as well as to better solve some shortcomings of the current anti-pollution flashover coating RTV-Ⅱ,in this paper,a new anti-pollution flashover hard coating — anti-pollution flashover nanometer silicon hard coating(NSHC) is applied in the field of power system insulation for the specific practical needs.At the same time insulators which are separately sprayed by the NSHC a...
CN202122836410.8一种成品取向硅钢片加工用的卷绕装置
本实用新型公开了一种成品取向硅钢片加工用的卷绕装置，包括机箱和卷绕机，所述机箱的下表面固定安装有底座，所述机箱的一侧表面靠近上方固定安装有控制箱，所述机箱的两侧表面靠近前方固定安装有伸缩机，所述机箱的前端面固定安装有挡板，所述挡板的前端设有卷绕机，所述底座的上表面且位于卷绕机的下方固定安装有定位筒，所述定位筒的内部活动安装有托杆。本实用新型所述的一种成品取向硅钢片加工用的卷绕装置，可以有效的控制卷绕机卷绕取向硅钢片的厚度，从而保证每次卷绕取向硅钢片的厚度都相同，利用伸缩机可以对不同宽度的取向硅钢片进行边缘位置的夹紧，并且可以控制卷绕板与卷绕机之间的间距，从而控制卷绕后取向硅钢片的内径大小。
碳化法制备硅钢氧化镁过程中杂质脱除研究
以轻烧氧化镁粉为原料,经消化、碳化制得重镁水,在热解反应前采用络合剂对重镁水中的杂质钙、铁进行络合掩蔽,再经热解得到碱式碳酸镁,碱式碳酸镁经煅烧可制得钙、铁杂质含量较低的氧化镁。在重镁水络合除杂过程中,考察了络合剂三乙醇胺、柠檬酸、草酸单独和复合使用的除铁、除钙效果。以三乙醇胺为络合剂时,在200 mL重镁水中加10 mL三乙醇胺(1∶1),氧化镁产品中w(氧化镁)=99.3%、w(氧化钙)=0.31%、w(氧化铁)=0.042%;使用草酸和柠檬酸作为复合络合剂时,在200 mL重镁水中加入1.0 g柠檬酸和2.0 g草酸,氧化镁产品中w(氧化镁)=98.2%、w(氧化钙)=0.24%、w(氧化铁)=0.030%。 Light-burned magnesia as a raw material was hydrated and carbonated to obtain magnesium bicarbonate liquor.Before the pyrolyzing of magnesium bicarbonate liquor,complexants were used to cover Fe and Ca impurities.Then the treated liquid was pyrolyzed to obtain basic magnesium carbonate which was calcined to magnesium oxide with low calcium and iron content.During the complexing purification of magnesium bicarbonate liquor,the Fe and Ca removing effects of single or compound complexing agents,suc...
真空感应炉熔炼高硅电工钢脱氧工艺的研究
在50Kg氧化镁坩埚真空感应炉上进行高硅电工钢的脱氧试验。结果表明,通过控制原料的成分、高真空下的碳氧反应和炉衬分解向钢液中的供氧,可使钢液的总氧含量≤15×10-6;在维持高温高真空条件下,当钢液中的反应达到一定程度后,延长精炼时间并不能降低钢液的总氧含量;完成精炼后加入硅钙合金沉淀脱氧可进一步降低钢液的总含氧量,但脱氧效果有限。 The test of high-silicon electric steel deoxidation has been carried out in 50Kg vacuum induction furnace with magnesium oxide crucible.Results show that the total oxygen could be ≤15×10-6in molten steel by controlling material components,carbon-oxygen reaction in high vacuum and oxygen contamination from crucible materials on molten steel;And when the reaction was carried through to a certain extent,total oxygen in molten steel could not be reduced by the extension of refining period in high va...
电工钢生产中硫的控制
针对攀钢高硫铁水冶炼现状,结合不同生产工艺路线,论述了攀钢近年来为实现低硫电工钢的生产,在铁水预处理、转炉冶炼、钢水精炼过程中硫控制技术的开发与应用,形成了低硫洁净钢生产工艺技术,实现了低硫电工钢的生产。低硫电工钢RH脱硫率可达到20%左右,成品[S]控制在0.006%左右。 According to the smelting situations of hot metal with high sulphur content at Panzhihua Steel,combined with different produce processes,technologies for controlling the sulfur content during hot metal pretreatment,converter smelting,and second refining are developed. Technologies in low-sulfur clean steelmaking are formed. Low-sulfur electric steel are produced. As for the desulfurization rate of lowsulfur electric steel can reach about 20%,and the content of [S] in products is controlled to ab...
