硅钢资料

本实用新型公开了一种取向硅钢绝缘涂液用废液回收利用装置，涉及取向硅钢绝缘涂液技术领域，为解决现有取向硅钢绝缘涂液的废液在回收时没有进行多层热分解，导致回收利用率低的问题。所述下料筒的下端设置有调节筒，所述调节筒的下端设置有分流筒，所述分流筒的下端设置有出料筒，所述调节筒的内部设置有下料板，所述下料板的一端设置有转轴，所述转轴的一端设置有交流电机，所述下料板的侧表面设置有外接孔，所述下料筒的筒壁内设置有加热板，所述下料筒的内部设置有一级过滤网，所述分流筒的内部设置有隔挡板，所述隔挡板的一侧设置有二级过滤网。

研究了激光加热辅助圆盘剪高速切割技术,以解决现有冷轧生产线硅钢切边技术存在的微裂纹、应力、毛刺和边浪等问题。建立了激光加热温度场有限元分析模型,根据生产线上圆盘剪加工的实际过程,探讨了数值模拟中热源的加载形式,研究了激光对板材进行辅助加热时各个工艺参数如激光功率、光斑尺寸以及激光入射角度对切割工艺的影响,并通过实验对工艺参数进行了优化。最后,进了验证实验。实验结果显示:当激光加热点运动至圆盘剪刃口位置时,温度为100℃左右,此时材料硬度降低到原有硬度的70%~80%,降低了切削力,减少了圆盘剪的磨损,可有效提高圆盘剪的寿命。 Laser assisted trimmer side cutting technology was studied to overcome the problems such as micro cracks,stress,burrs and edge waves existing in a cold rolling production line of silicon steel side cutting.A finite element analysis model for the laser hearting temperature field was established, the loading form of a heating source was determined and influences of various processing parameters like laser powers,spot sizes,and laser incident angles on laser assisted heating sheet materials were di... 

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。

采用双辊薄带连铸工艺试制了2.6 mm厚5.28%Si-1.11%Al高硅钢薄带,对比了1050℃×5 min正火及不正火铸带280℃冷轧至0.5 mm后,再经900～1100℃退火的磁性能。结果表明,高硅钢铸带显微组织为等轴晶组织,正火后铸带边部晶粒长大,中心层晶粒变化较小。成品中析出物主要为较粗大的AlN和AlN+MnS复合析出物,尺寸为0.5～2.5μm。与不正火试样相比,正火试样成品铁损大幅降低,磁感小幅下降;随退火温度的升高,两种工艺下铁损和磁感都是先降低后升高,在1050℃出现最低值。 2.6 mm thickness 5.28% Si-1.11% Al non-oriented high silicon steel was produced by twin roll thin strip casting.Magnetic property of the strip un-normalized and normalized at 1050 ℃×5 min was contrasted after cold rolled to 0.5 mm at 280 ℃ and 900-1100 ℃ final annealing.The results show that microstructure of the strip is equiaxed crystal.The surface grain is coarsened and the center layer grain has little change of the normalized strip.The main precipitates are AlN and MnS+AlN with 0.5-2.5 μm s... 

通过对辉光放电发射光谱参数的优化,以铁元素为内标来消除基体效应,建立了测定硅钢薄板中微量硼元素的方法。优化的实验参数为:放电电压1200 V,放电电流50 mA,预溅射时间40 s,积分时间10 s。校准曲线硼元素含量范围0.0001%~0.022%,相关系数大于0.999,测量结果与认定值一致,相对标准偏差小于10%。完全能够满足日常分析测试的要求。 A glow discharge optical emission spectrometry(GD-OES) method for determining trace boron element in silicon steel sheets were established through optimization of instrumental parameters and using Fe element as an internal standard to eliminate the matrix effect.The optimized instrumental parameters included discharge voltage,discharge current,pre-sputtering time and integration time,which are 1200 V,50 mA,40 s,and 10 s,respectively.The content of boron element that can be determined from the ca... 

2.9 mm热轧3%Si高牌号无取向硅钢板（/%:0.004 6C、3.04Si、0.32Mn、0.49Als、0.004S、0.013P、0.0042N）由CSP（Compact Strip Production紧凑式带材生产线）流程:120 t BOF-70 mm CC-热轧工艺生产。热轧终轧温度872℃,卷取温度683℃。铸坯及热轧板的组织和夹杂物的分析结果表明,铸坯组织为典型的贯穿柱状晶组织;热轧板边部为再结晶组织,中部为纤维组织带有少量再结晶晶粒;高牌号无取向硅钢的主要夹杂物为铸坯-Al₂O₃,AlN和Cu₂S+MnS;热轧板-Al₂O₃,AlN,AIN+MnS和Cu₂S+MnS。 The 2.9 mm hot rolled 3%Si high grade non-oriented silicon steel plate（/%:0.004 6C,3.04Si, 0.32Mn,0.49Als,0.004S,0.013P,0.004 2N） is produced by CSP（Compact Strip Production） flow sheet i.e.120 t BOF-70 mm CC-hot rolling process with end rolling at 872℃and coiling at 683℃.The analysis results on structure and inclusions in casting slab and hot rolled plate show that the structure of slab is typical trans-columnar crystal,the structure of hot rolled plate at edge is recrystallized grain and in ce... 

针对传统工艺生产硅钢周期长、能耗大等缺点,采用双辊连铸工艺制备3%Si无取向硅钢连铸薄带,利用MEM,SEM和TEM观察了铸带的组织、织构及析出物,同时对比了Al的质量分数为0.6%和0.9%的连铸薄带在组织、织构及析出物特征方面的异同.结果表明:双辊连铸工艺生产的3%Si无取向硅钢铸带的组织为均匀等轴晶粒,平均晶粒尺寸约为300μm;织构组成随Al质量分数的不同具有明显差别,Al质量分数为0.9%的铸带中{100}织构强度是随机织构的7倍;铸带中的析出物为AlN和MnS,最大尺寸分别为500和50 nm左右. Given the lengthy production cycle,high energy consumption,and other shortcomings of the traditional process for producing silicon steel,a twin-roll casting process was used to produce 3%Si non-oriented silicon steel casting strips. MEM,SEM,and TEM were used to compare micro-structure,texture,and precipitate characteristics of a casting strip containing 0.6%Al with another containing 0.9%Al.The structure of 3%Si non-oriented silicon steel produced by the twin-roll casting process was a uniform i... 

本申请提供了涂布的晶粒取向电工钢板及其生产方法。在一个示例性实施方案中，所述方法包括生产具有约2.5至约4重量％的硅、约0.005至约0.1重量％的碳和约90至约97.5重量％的铁的熔融钢。将熔融钢浇铸成板坯并且然后冷轧成具有表面的板。使用脱碳退火对板进行脱碳，然后使用重结晶退火进行重结晶以生产晶粒取向电工钢。施加涂层覆盖所述表面，其中所述涂层包括有机可辐射固化交联剂和光引发剂。通过将涂层暴露于辐射源来固化涂层。

运用电子背散射衍射(EBSD)技术,研究了50W600无取向硅钢在热轧→冷轧→退火工序间织构的演变。结果表明:由于热轧板沿板厚方向的应力场和温度场存在差异,导致热轧板不同层织构类型和强度存在差异;热轧板表层主要存在铜型、黄铜和高斯织构,1/4层织构主要为α纤维织构和较弱的高斯织构,中心层织构较单一,主要为α纤维织构;和热轧板相比,冷轧板各层织构差异较小,为典型的轧制织构(α纤维织构和γ纤维织构);退火板各层都表现为γ纤维织构增强、α纤维织构减弱,旋转立方织构基本消失。 The texture evolution of 50W600non-oriented silicon steel in hot rolling,cold rolling and annealing process was investigated by electron back-scatter diffraction(EBSD)technology.Results show that the hot rolled plate texture types and intensities along thickness direction were different because of the different stress fields and temperature fields.The major texture types in the surface of hot rolled plate were copper,brass and Gauss texture.The texture was composed ofαfibre texture and weaker Ga... 

本实用新型公开了一种薄带取向电工钢的热处理炉板，炉板的中心设置有气流循环通孔，炉板的硅钢卷预定压接面设置有通气槽，炉板内设置有进气孔，进气孔的第一孔口设置于通气槽中，进气孔的第二孔口设置于炉板的侧壁上。该薄带取向电工钢的热处理炉板在设置通气槽的基础上，进一步设置进气孔，通过向进气孔中导入气流，增加通气槽的进气量，有助于硅钢卷与炉板压接侧边处水蒸气的及时排出，进一步提高卷内硅钢的热处理品质。本实用新型还公开了一种包含热处理炉板的薄带取向电工钢罩式炉。

采用RH精炼添加钙合金方式对硅钢进行钙处理。结果表明,钙合金添加量为0.67、1.00、1.67kg/t钢时,钢中钙含量分别为0、2×10-6、4×10-6;随着钙合金添加量增大,钢中夹杂物粒度逐渐由0～2μm向2～4、4～6μm偏移;不同钙处理条件下,钢中均存在粒径小于1μm和粒径为1～5μm的MnS、CuxS夹杂物,后者或单独存在,或同AlN、CaS夹杂复合;粒径为5～10μm区间,钢中的夹杂物基本以钙的氧、硫化物为主。与钙处理前相比,钙合金添加量为0.67、1.00、1.67kg/t钢时,粒径小于1.0μm的微细夹杂物减少幅度分别为68.06%、87.50%、94.94%。钙合金添加量为1.67kg/t钢时,可以去除钢中绝大部分的微细夹杂物。 Ca alloy was added into the liquid steel during RH refining,and the results show that Ca concentration in final Si steel sheets is insignificant,about 0,2×10-6 and 4×10-6 when the added amount of Ca is 0.67,1.00 and 1.67 kg/t steel,respectively.With the increase in the added Ca alloy amount,the inclusions in the steel gradually change from those of 0～2 μm to those of 2～4 and 4～6 μm.Under different Ca treatments,there exist MnS and CuxS inclusions whose size is below 1 μm as well as MnS and CuxS ... 

本发明公开了一种取向硅钢极薄带的工业连续化生产方法，包括异步轧制、脱脂、热处理、急速冷却、涂绝缘层、烘干烧结、卷带收集各工序；其中，异步轧制中使用异步比为1：1.05～1：1.24；脱脂、热处理、急速冷却、涂绝缘层、烘干烧结、卷带收集工序为连续化生产工艺；热处理工序中，第一步为预热，预热温度为500℃～700℃，预热时间4秒～120秒；第二步为相变热处理，相变热处理温度为820℃～920℃，相变加热时间100秒～600秒；急速冷却工序中，钢带30秒内降温到350℃以下。优点在于：实现工业化连续生产取向硅钢极薄带，有效提高产能，生产的取向硅钢极薄带制备高磁感、低铁损等磁性能。