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本发明涉及硅钢技术领域,尤其涉及一种硅钢连退炉辊除瘤方法及装置。包括连杆、手柄、磨削片、密封盖、端盖与套筒;磨削片垂直固接在连杆一端的外壁上,手柄固接在连杆的另一端,手柄与磨削片处于同一平面上;连杆套接在套筒内,连杆能沿套筒轴向移动,套筒固接在端盖上;硅钢连退炉辊下方的炉墙设有与连杆及磨削片相应的磨辊孔,端盖或密封盖固接在磨辊孔处。1)确定结瘤炉辊;2)确定结瘤在碳套辊上的位置;3)插入除瘤装置;4)磨削;5)抽出。本发明降低废品量,提高成材率;减少停炉处理结瘤时间,降低能耗,提高生产率;提高难磨瘤辊的修复率,降低炉辊成本。
2021-07-12 165 6.8

以马鞍山钢铁集团公司电工钢板形优化控制研究项目为背景,系统地研究了热轧、冷连轧和单机架轧机在电工钢生产过程中的边缘降控制问题。通过现场数据采集、工况数值模拟计算和工业化大生产试验,设计出适用、合理的电工钢板形控制的辊型优化曲线,满足了不同工序、不同机型的板形控制策略要求,解决了电工钢板形质量问题,取得了显著的经济效益。 Based on the project of electric steel strip shape optimization control,problem of edge drop control was systematically studied in production of electric steel of hot-rolling mill,cold-rolling mill and single stand mill.Roll optimization contour was designed out in point and reasonable by collection of work condition data,numerical simulation and test of industrial production.The shape control system can meet with the different working steps and difference mills,and quality problem of electric s... 
2011-02-28 164 5.8

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 ... 
2022-01-28 178 5.8

通过对辉光放电发射光谱法分析电工钢样品光谱行为的研究,分析其工作参数如:电压、电流、预溅射时间和积分时间对光谱强度和稳定性的影响,并以铁为内标元素,优化了工作参数。确定了直流辉光放电光谱法测定电工钢中碳、硅、锰、磷、硫、铬、镍、铜共8种元素的定量分析方法,并对该方法分析的精密度和准确度进行验证,结果表明,各元素的测定结果与认定值和其他方法测定值一致,测量元素结果RSD值小于2%。 Based on research on analyzing the spectrum behavior of the sample taken from the electrical steel by glow discharge optical emission spectrometry,the effect of its operational parameters such as current,voltage,pre-sputtering time and integrating time on the spectral intensity and spectral stability is analyzed.Taking the Fe as an element applied by internal standard method,these operational parameters are optimized,and therefore the quantitative analysis method for testing eight kinds of eleme... 
2011-01-28 182 5.8

本发明公开了一种适宜缠绕式加工的低铁损无取向硅钢及其生产方法,属于硅钢生产技术领域。本发明的无取向硅钢包括以下质量百分比的元素:Si:1.5~2.5%,Mn:0.15~1.0%、Als:0.5~1.5%,其余为Fe及不可避免的杂质。其生产工艺步骤为:铁水预处理、转炉冶炼、真空处理、连铸;加热热轧;常化处理;冷轧、退火;保温、冷却;涂覆绝缘层。本发明通过对无取向硅钢的组分及其配比,结合工艺操作进行优化,能够生产得到电磁性能及延伸率均优异的无取向硅钢,从而能够有效满足电工钢缠绕式加工及使用需求,且其制造工序流程短、成本相对较低。
2021-10-25 177 6.8

【作者】 朱凤泉; 黄生银; ...
2013-01-28 170 5.8

对冷轧无取向硅钢在冶炼过程中各个工序的顶渣进行了检测,分析了顶渣变化原因,并得出结论:硅钢生产宜采用复吹转炉,以降低吹炼终点渣中TFe含量,进而减轻对精炼的压力;使用低S、低Al2O3含量中间包覆盖剂;RH脱氧及合金化顺序采用先加硅铁后加铝;首罐宜经LF提温并降低渣中TFe。 The top-surface slag used for the various production processes in smelting coldrolled non-oriented electrical steel is tested and based on tested results the cause of the top surface slag change is analyzed.So it is concluded that the combined blown converter is more suitable to be used for smelting electrical steel in order to reduce the content of TFe in slag at blow end point and then much better results can be achieved during the period of refining.Secondly the tundish flux contenting low co... 
2013-03-28 158 5.8

本发明公开了一种新能源汽车驱动电机用低铁损高强度无取向电工钢及其制造方法,所述无取向电工钢的化学成分及重量百分比包括C:0.001‑0.005%、Si:2.4‑3.0%、Mn:0.25‑0.5%、Al:0.70‑1.10%、P:≤0.02%、S:≤0.005%、0.015%≤Ce+Sn≤0.035%,余量为铁和不可避免的杂质,本发明通过加入Ce和Sn,净化钢质、微合金化提高无取向电工钢强度和磁性能,不需要添加固溶金属元素,且避免了高Si体系下的轧制困难问题,且不需要高温退火,解决了退火温度过高使晶粒异常长大,晶粒尺寸均匀性降低的问题,生产出的无取向电工钢具有较高强度的同时,还具有优良的磁性能。
2021-10-29 195 6.8

研究了退火温度对3.1%Si无取向硅钢组织和磁性能的影响规律。结果表明:退火温度从940℃提高至1 000℃,平均晶粒尺寸由98μm增加到145μm,铁损P1.5/50从2.576 W/kg降低至2.408W/kg。随着退火温度的升高,γ不利织构组分强度逐渐降低,{111}〈112〉织构组分强度降低约16%,磁感B50逐渐升高,磁性能水平提高。 The effects of annealing temperature on microstructure and texture and magnetic properties of 3.1%Si non-oriented silicon steel were investigated in this paper.The results showed that,when the annealing temperature increased from 940℃ to 1 000℃,the average grain size of metallographic structure increased from 98μm to 145μm,the iron loss value P1.5/50 decreased from2.576 W/kg to 2.408 W/kg.And as the annealing temperature increased,the strength of the unfavorable texture componentγgrad... 
2022-01-28 189 5.8

本发明提供了一种无取向硅钢RH顶枪喷粉脱硫工艺,RH脱碳结束测温定氧,立即加入铝粒脱氧合金化、之后立即依次连续加入合金进行成分调整,合金加完后立即开始顶枪喷粉;加入铝粒的量=铝粒理论加入量+0.2‑0.4kg/t钢;喷粉时,控制喷粉速度与钢液循环流量相匹配;本发明从真空条件下脱硫热力学和动力学角度出发对具有顶枪喷粉功能的RH脱硫工艺进行改进,提高脱硫率。
2021-11-30 163 6.8

本发明公开了一种低铁损高磁导率无取向电工钢及其生产方法,所述生产方法包括以下步骤:钢水连续浇铸成板坯,板坯经加热炉加热,再经热轧得到热轧板,然后经空冷和水冷后在500~650℃进行卷取;热轧板经常化处理、盐酸酸洗;酸洗后在可逆轧机上进行冷轧;最后经成品退火,退火温度为840~900℃,加热时间为240~500s;然后以不超过3℃/s的冷却速度冷却至500℃以下;涂覆绝缘涂层、固化,后经二次退火,即可得到低铁损高磁导率无取向电工钢,其磁性能满足P1.5/50≤3.50W/kg,μ1.5≥3800Gs/Oe,B5000≥1.76T的要求。
2021-01-22 169 6.8

本发明公开了一种超高效变频空调压缩机用无取向硅钢薄带及其制造方法,属于无取向硅钢技术领域。本发明包括以下重量百分比的组分:C≤0.003%,Si:2.0%~2.5%,Mn:0.15%~0.5%,Als:0.3%~0.7%,Sn:0.05%~0.11%,S≤0.003%,P≤0.03%,B:0.002%~0.004%,Ca:0.003%~0.005%,N≤0.003%,Ti≤0.003%,其余为Fe及不可避免的杂质,且Mn/S比控制在20~60范围内,B/N比控制在0.7~1.5,Ca/S的比例≥1。为解决现有技术中存在的问题,本发明通过添加合金元素以及偏析元素,配合连铸、热轧、常化和连续退火等热处理工艺,以及优良的冷轧板形控制技术,实现0.30~0.35mm厚度薄规格的高效无取向硅钢产品,具备优异的磁性能和高屈强比的力学性能,满足高效变频空调压缩机电机磁性能和关节式定子高速冲裁对力学性能和板形的高标准要求。
2021-11-30 186 6.8

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