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本发明公开了一种低损耗宽料取向硅钢的生产方法。本发明所述生产方法是通过在罩式炉的内罩中增加带有通气孔的聚气罩及与聚气罩配合的炉底板,配合工艺优化,控制原料化学成分,使气体和钢卷之间的浓度更均匀,反应更充分,气流流动方向更易控制,所制备的取向硅钢性能稳定,磁性能优良,且铁损达到1.12W/KG以下的比例提高至98.77%,平均铁损达到1.06W/KG以内,使取向硅钢卷的铁损大幅度降低,电磁性能更好。
2021-10-26 123 6.8

电动汽车电机在高速旋转时承受离心力和电磁力的作用,在进行电机转子设计时,既要考虑电磁性能,还要考虑机械性能。对电机转子受力情况进行了综述,分析了转子用电工钢疲劳性能参数的重要性,详细阐述了试样抛光、表面处理、试样的对中和安装对测试结果的影响。 The motor of electric vehicle bears big force for high speed rotors,mainly including centrifugal and electromagnetic forces.The magnetic and mechanical aspects of the electrical steel are crucial to machine design.In this paper,the forces applied on the motor were summarized and importance of fatigue properties was analyzed.The influence of specimen polish,surface treatment,alignment and installation on fatigue testing result were represented in detail. 
2014-10-28 115 5.8

【作者】 安斌; ...
2014-09-28 109 5.8

介绍了国内、外电工钢极薄带的生产现状及市场应用的情况,以及典型生产企业的生产规模、产品性能和应用领域,指出扩大高牌号无取向电工钢生产、提高产品质量是目前电工钢发展的迫切要求。 The production situation and market application of ultra thin electrical steel strip at home and abroad were described.The production capability,product property and application area of typical corporation were introduced.The results indicate that the urgency needed of electrical steel development is expanding high-grade non-oriented electrical steel production and improving products quality at present. 
2011-04-28 121 5.8

本申请提供一种电工钢及其制备方法,制备方法包括:将电工钢的板坯进行热轧获得钢卷;将热轧后的钢卷进行酸洗冷轧;将酸洗冷轧后的钢卷进行第一次罩式退火;将第一次罩式退火后的钢卷进行平整;将平整后的钢卷进行第二次罩式退火;将第二次罩式退火后的钢卷进行重卷,以获得电工钢。本申请提供的电工钢的制备方法采用两次罩式退火,退火的主要目的是消除酸洗冷轧工序产生的加工硬化,使钢板充分再结晶,获得理想的铁损及磁感应强度。而采用两次罩式退火,相对于一次罩式退火工序来说,能够进一步降低铁损,提高电工钢的磁性能。
2021-06-04 107 6.8

本发明公开一种硅钢级氧化镁制备方法、硅钢级氧化镁保护膜,涉及氧化镁制备技术领域。将得到的粗氧化镁产品进行净化处理;将净化处理后的粗氧化镁产品与金属镁碳还原剂,在真空状态下,利用真空碳热还原技术进行金属镁的置换,制得金属镁;金属镁碳还原剂与粗氧化镁产品的质量比为(1~1.5):1;制得的金属镁在纯氧下制得氧化镁;将制得氧化镁根据实际需求获得不同粒径硅钢级氧化镁颗粒。本发明产品各项指标优于企业标准的硅钢级氧化镁。而且不会受原料中含有的钙等杂质的影响,产品纯度很容易达标,同时,还存在能耗较低、生产成本低等优点,解决了业在降低能耗方面的突破可应用于工业化生产。
2021-11-22 104 6.8

根据现场实际的生产控制情况,指出了热轧原料断面轮廓缺陷以一定的比列遗传给了冷轧带钢,分析了不同热轧原料断面轮廓对冷轧电工钢尺寸精度的具体影响,提出了相应的规律。并阐明了严格控制热轧原料断面轮廓形貌,对保证冷轧电工钢尺寸精度具有重大意义,对于中国现行的冷轧电工钢生产具有指导意义。 Based on the actual situation of production control,it was pointed out that the section profile defects of hot-rolled raw materials were geneticed to the cold-rolled strip.The specific impact analysis for the profile of different hot-rolled raw materials to the dimensional accuracy of cold-rolled silicon steel was analyzed.As a result, the corresponding orderliness are given;And the strict control to section profile of the hot-rolled material is of great significance to ensure the dimensional ac... 
2014-01-28 89 5.8

本实用新型公开了一种取向硅钢绝缘涂液用深度过滤装置,涉及深度过滤装置技术领域,为解决现有深度过滤装置在工作过滤时,一般都是依靠液体本身流动的力量穿过滤网,但液体流速较慢,工作效率不高的问题。所述过滤装置主体的下端安装有出水管,所述过滤装置主体外表面的一侧安装有进水管,所述进水管与出水管的一端均安装有安装底座,且安装底座设置有两个,所述安装底座的一侧安装有六角固定螺母,且六角固定螺母设置有十二个,所述安装底座的另一侧安装有密封橡胶垫圈,且密封橡胶垫圈设置有两个,所述进水管的内部设置有进水口。
2021-09-02 99 6.8

研究了热轧卷取时间对无取向电工钢晶粒组织、织构演变、铁损和磁感的影响。结果表明,成品晶粒尺寸在120~140μm之间,随卷取时间的增加,成品晶粒尺寸增大。成品织构主要由γ纤维、а纤维和高斯织构等构成。随着保温时间的增加,{111}<110>和{112}<110>织构强度降低。随卷取时间的增加,成品P1.5降低。热轧板最佳的卷取工艺为550℃保温2~3 h,电工钢的综合磁性能优良。 The effects of hot-rolling coiling time on microstructure,texture,core loss and magnetic induction of a new cold-rolled non-oriented electrical steel containing copper were investigated.The test results showed that for final product the grain sizes are 120-140um,with the increase of coiling time,the grain size increase.For final product there are mainly γ-fibre,а-fibre,and {110}<001> texture,Coiling at 550℃ for hot rolled plate,the {111}<110>,{112}<110> texture was weaked with ... 
2023-05-09 164 5.8

结合实际生产0.4%Si无取向硅钢,统计了不含Sn和0.025%Sn无取向硅钢的磁性能变化,利用金相显微镜、X射线衍射仪观察分析不同成分下试样的显微组织和微观织构。试验结果表明:Sn元素可以显著降低无取向硅钢的晶粒尺寸,0.025%Sn试样的平均晶粒尺寸比不含Sn减小28.4%;加入Sn元素后抑制了无取向硅钢中不利于磁性能的{111}面织构组分强度,提高了对磁性能有利的{100}面织构组分强度,0.025%Sn与不含Sn相比磁感均值从1.756 T提升至1.768 T,铁损均值从5.476 W/kg降低至5.204 W/kg,明显改善了无取向硅钢磁性能。 In this paper combined with the actual production of 0.4% Si non oriented silicon steel, the magnetic properties of non oriented silicon steel without Sn and 0.025% Sn were counted. The microstructure and microtexture of samples with different compositions were observed and analyzed by metallographic microscope and X-ray diffraction. The results show that: Sn can significantly reduce the grain size of non oriented silicon steel, and the average grain size of 0.025% Sn sample is 28.4% smaller tha... 
2022-01-28 119 5.8

研究了传统工艺流程生产的2%Si无取向电工钢在不同退火温度下的磁性能。研究结果表明,随着退火温度的升高,显微组织均匀性提高且晶粒尺寸增大;有利织构组分{100}<0vw>、α、η增强,不利织构组分减弱;成品的铁损P1.5/50先下降后略有上升,磁感B50上升平缓;在890℃×2 min的退火工艺条件下,成品电工钢的磁性能最佳,对应的铁损P1.5/50小于3.2 W/kg,磁感B50高于1.74 T。 In this paper,the effect of annealing temperature on magnetic properties of non-oriented electrical steel with 2% silicon was studied.Results show that the uniformity of microstructure and the average grain size increase with the rise of annealing temperature.The texture components of annealing can be improved by enhancing {100} <0vw>,α,η fiber textures and weakening {111} <112> fiber texture.The tendency of core loss P1.5/50 shows that it decreases first and then increases,while the... 
2013-01-28 104 5.8

本发明提供一种优化无取向硅钢连续退火工艺的铁损预测方法,步骤包括:S1.建立预测模型回归方程表达式;S2.将无取向硅钢中的硅、锰、铝质量含量及预设的退火速度、退火温度代入S1中的回归方程表达式中进行计算;S3.将步骤S2计算得到的预测值与目标值进行比较,如果预测值在目标值的允许误差范围内,则按照预设的退火速度、退火温度进行生产;否则对预设的退火速度、退火温度进行调整,直至预测值能够达到目标值的要求后再进行生产。本发明提供的模型能够提高产品质量,对优化无取向硅钢连续退火工艺具有指导意义。
2021-11-02 132 6.8

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