钢厂
CN202122375147.7一种用于电机生产的硅钢片放料机构
本实用新型公开了一种用于电机生产的硅钢片放料机构,包括用于传输硅钢片的传送机构和用于堆叠的放料机构以及用于旋转位移的旋转机构,所述传送机构出料端设置有所述放料机构,所述放料机构安装在所述旋转机构上端,所述放料机构下侧设置有推动机构。本实用新型利用传送机构、放料机构配合,保证了硅钢片的传输效果和放料效果,从而保证了硅钢片在放料堆叠过程的稳定性和安全性,提高加工效率,利用放料机构、推动机构配合,在后期放料堆叠后能够快速进行捆扎和运输。
CN202023181220.9一种取向硅钢绝缘涂层液生产用分散机
本实用新型公开了一种取向硅钢绝缘涂层液生产用分散机,包括固定底座,固定底座顶端的一侧固定安装有套筒,套筒的内部滑动设有活塞杆,套筒的内部设有电动液压升降柱,电动液压升降柱的底端固定安装在固定底座顶端的中部,电动液压升降柱的顶端与活塞杆的底端固定连接,活塞杆的顶端固定连接有箱体,箱体底端的一侧固定安装有伺服电机,本实用新型的有益效果是:通过滑块、橡胶块、空心转轴和伺服电机的配合使涂层液搅拌分散的更加均匀,通过固定装置可以将盛有涂层液的桶固定住,防止涂层液桶转动,这样可以使涂层液进行充分搅拌,不需要时刻对其调整固定,这样也可以提升工作效率,提高生产速率,而且操作方便。
硼酸对无铬无取向硅钢涂层性能的影响
研究了硼酸对以Al(H2PO4)3为基料的无铬无取向硅钢绝缘涂层各项性能的影响。用盐雾实验、动电位极化及交流阻抗等试验手段研究了不同硼酸含量对硅钢绝缘涂层的耐蚀性和电化学行为的影响,同时采用SEM对涂层的表面形貌进行了研究。结果表明,硼酸含量为9.7%时,涂层的耐盐雾性及电化学性能最好;硼酸含量过少或过多时,涂层的耐蚀性和电化学性能都较差。 Influence of boric acid on the performance of chromium-free non-oriented silicon steel insulating coating based on aluminum dihydrogen phosphate was investigated.Salt spray experiment,potentiodynamic polarization and electrochemical impedance spectroscopy were used to study the influence of boric acid content on the corrosion resistance and electrochemical behavior of the insulation coating of silicon steel.Surface morphologies of the coatings were tested by SEM.Result shows that when the boric ...
双辊连铸无取向硅钢铸带特征及常化作用研究
双辊连铸技术是冶金及材料领域内的一项前沿技术,对于生产高品质硅钢具有独特优势.本实验研究了一种双辊铸轧w[Si]=4.5%的无取向硅钢,考察其铸态和常化处理后样品的组织、织构及析出相尺寸特征.结果表明:铸带组织以与铸带法向成5~20(°)倾角的柱状晶为主,晶内存在少量0.3~0.4μm的AlN析出相,铸带织构以λ(<001>//ND)织构为主,表层织构漫散.950℃/10 min常化处理后,析出相尺寸增大,表层λ织构增强. As an advanced technique of metallurgy and material science,twin- roll strip casting has unique advantages for producing high quality silicon steel. The present study was aimed at a 4. 5% Si non- oriented electrical steel for analyzing the structure,texture and the size of precipitates at the initial and normalized state. The results revealed that the initial structure mainly consisted of columnar grains with 5 ~ 20( °) angle to the normal of cast strip,and some AlN precipitates of 0. 3 ~ 0. 4 μ...
承钢无取向电工钢CGW800的研发
承钢采用铁水预处理(脱硫)→转炉提钒→转炉冶炼→RH精炼→连铸→轧制工艺,成功研发了无取向电工钢CGW800。试制的CGW800钢碳含量≤0.006 0%、氮含量<0.004 0%,热轧后的金相组织为铁素体和少量渗碳体,晶粒度5.5级,获得了较粗大、均匀的晶粒,钢板的成分和力学性能达到了标准要求。 In Cheng Steel,the CGW800 non- oriented electrical steel is successfully developed with process of hot metal pre- treating,vanadium extracting with converter,smelting with converter,RH refining,continuous casting and rolling. In the steel,the carbon content is not higher than 0. 006 0%,nitrogen less than0. 004 0%,the metallographic structure after hot rolling is ferrite and a little amount of cementite,grain size is 5. 5 degree,relative large and even grain got. The composition and mechanical pr...
稀土在无取向电工钢中应用的研究进展
稀土元素在许多钢中发挥着独特而且不可替代的重要作用。半个世纪以来,它的作用已经在各种低合金和特殊合金钢中的研究及应用中得到充分的证明;然而,作为具有稀土资源优势的中国,在属于重要功能材料的无取向电工钢中稀土的应用却落后于国外,本文就中国稀土在无取向电工钢中的应用研究作简要的评述,希望能够进一步推进此领域的研究,并且促进中国稀土在无取向电工钢中应用技术的发展,缩短与国外差距,并提出了在此应用领域今后需深入开展的研究方向。 Rare earth elements play a unique and irreplaceable role in a lot of steels,it has given the full proof by the practice of various low alloy steels and special alloy steels since half century.However,as our country has the advantage of rare earth resources,RE application technology in non-oriented electrical steels has lagged behind abroad.The application researches of rare earth in non-oriented electrical steel in our country are briefly reviewed in this paper,which hope to promote the research...
CN202110729402.5一种硅钢氧化镁废水回用处理与污泥资源化工艺
本发明公开了一种硅钢氧化镁废水回用处理与污泥资源化工艺,包括:预过滤:氧化镁废水进入过滤容器,过滤得到的水,返回调节池中,直至预过滤澄清;过滤过程:氧化镁废水在预过滤阶段逐渐澄清后进入过滤程序,产生的过滤水满足要求后,自流入产水箱;滤饼干燥:停止过滤后,将过滤容器中的水排空至调节池,之后按照与过滤相同的方向通压缩空气,通过压缩使滤饼干燥;反吹排泥:滤饼干燥完成后,通反向的压缩空气,之后进入下一个过滤周期;经过处理后,过滤阶段产生的合格水循环利用;滤饼干燥后进一步进行资源化处理。本发明实现了废水回用;产生的沉淀污泥经处理后可分别作为钛白粉的生产原料和土壤改良剂,具有良好的社会效益和环境效益。
电子探针波谱仪定量测定硅钢中硅含量结果的不确定度评定
依据GB/T 15616—2008《金属及合金的电子探针定量分析方法》,采用电子探针波谱仪对某W600硅钢中的硅含量进行了定量测定,对影响其定量测定结果的不确定度分量进行了分析,并对不确定度的各个分量进行了计算和合成,最后给出了硅钢中硅含量测定结果的不确定度报告:该硅钢中的硅含量(质量分数)为1.50%,扩展不确定度U=0.20%,取包含因子k=2。 According to GB/T 15616-2008\"Quantitative Method for Electron Prohe Microanalysis of Metals and Alloys\",the quantitative results of Si content in some W600 silicon steel was measured hy EPMA-WDS.The uncertainty components which might affect the measurement results were considered,calculated and synthesized. Finally the uncertainty result for the quantitative value of Si content in the silicon steel was got.The mass content of Si was 1.50%,and expanded uncertainty U=0.20%under the condition of co...
CN202111332457.9一种无取向硅钢用涂层溶液及其制备方法和应用
本发明提供一种无取向硅钢用涂层溶液及其制备方法和应用,以所述无取向硅钢用涂层溶液的总质量为基础计,所述无取向硅钢用涂层溶液包括如下质量百分含量的原料组分:磷酸盐溶液55%~60%;树脂溶液20%~25%;二乙二醇丁醚2%~4%;改性剂3%~5%;余量为水。由本发明所述无取向硅钢用涂层溶液形成的绝缘涂层厚度均匀,表面光滑,具有优良的绝缘性、耐腐蚀性、附着性,而且硅钢片的冲片性能好、叠片系数高。
后天抑制剂获得法制取向硅钢析出物的转化规律
通过后天抑制剂获得法制备了取向硅钢,对渗氮前后和高温退火升温阶段析出物的析出和转化规律进行了研究。研究结果表明,渗氮前脱碳退火态基体中存在少量的粗大AlN颗粒和细小AlN颗粒,渗氮处理后新析出大量的Si3N4析出物,高温退火升温阶段Si3N4将转化为(Al,Si)N,随着温度的继续升高(Al,Si)N颗粒将发生粗化,(Al,Si)N是后天抑制剂获得法制备取向硅钢的主要抑制剂。 Grain-oriented silicon steels were produced by acquired inhibitor method.The rule of precipitate transformation was studied after nitriding treatment and high-temperature finishing annealing.The results show that a small amount of large AlN and fine AlN are found in matrix before nitriding treatment,and a large amount of Si3N4 is precipitated in matrix after nitriding treatment.During the temperature rising period of high-temperature finishing annealing,Si3N4 would transform into(Al,Si)N,and(Al,...
基于爱泼斯坦方圈组合和损耗加权处理技术的取向电工钢磁性能扩展模拟
提出了一种基于爱泼斯坦方圈族(包括标准25cm爱泼斯坦方圈、缩比的17.5cm和20cm爱泼斯坦方圈)和二级加权处理方法对爱泼斯坦测试数据,包括有效磁路长度、比损耗、励磁功率,进行处理的晶粒取向电工钢磁性能扩展模拟方法。详细地考察了励磁频率、试样剪切角度和环境温度对爱泼斯坦方圈测量结果的影响。研究结果表明,利用本文提出的爱泼斯坦方圈组合以及二级加权处理技术,可以有效地建立取向电工钢损耗模拟模型,从而更加准确地确定了取向电工钢的损耗,改善并提高了爱泼斯坦磁性能测试数据的应用价值。 The extended modeling of the magnetic properties of GO(grain oriented) electrical steel is presented in this paper which is based on a set of standard and scaled-down Epstein frames and a proposed two-level weighted processing of Epstein data, including the mean magnetic path length, specific magnetization loss and exciting power. The effects of excitation frequency, strip angle and ambient temperature on the results obtained from the Epstein frames are investigated. It is shown that using the p...
基于Matlab的硅钢连续退火线纠偏系统分析及仿真
硅钢连续退火线是无取向硅钢生产的成品线。由于受机组布置的影响,带钢经转向辊进出口活套后,当套量达到60%后就出现偏离生产线的情况,从而影响最终产品的质量及成材率,甚至损坏设备。针对某冷轧厂硅钢连续退火机组出口活套入口处带钢跑偏开展纠偏研究,利用Matlab对该纠偏系统进行动态仿真研究,分析系统的稳定性。 Silicon steel continuous annealing line is non oriented silicon steel production of finished product line.Due to the influence of unit layout,strip by roll Import & Export loop,when the set volume reached 60% after the emergence of deviation from the production line,thus affecting the quality of the final product and the rate of finished products,and even damage the equipment.For the export of continuous annealing line in cold rolling silicon steel strip deviation rectification loop at the e...

