钢厂
CN202110668986.X一种硅钢片碎片自动检测吸附的装置
本发明涉及一种硅钢片碎片自动检测吸附的方法,控制系统控制初检装置工作,通过视觉方式进行硅钢片碎片检测,如果成品硅钢片上面没有粘附硅钢片碎片,成品硅钢片检测程序结束;如果成品硅钢片上面粘附有硅钢片碎片,控制系统控制吸附捕捉装置对硅钢片碎片进行吸附捕捉。本发明还涉及一种硅钢片碎片自动检测吸附的装置,成品硅钢片传送机构的上方依次设置有初检相机、吸附捕捉装置和废料盒,初检相机和吸附捕捉装置分别与控制系统连接。本发明通过初检相机实现硅钢片碎片的精准识别,通过吸附装置将粘附在成品硅钢片上的硅钢片碎片吸附捕捉,通过废料盒使得硅钢片碎片的集中存储和清理更加便捷,节省了人力、并且比人工操作更加精准。
预退火温度对高磁感取向硅钢初次再结晶织构的影响
对高磁感取向硅钢冷轧板分别进行800、950、1050和1120℃不脱碳的预退火处理,在800℃预退火,成品的磁性能较好。织构分析的结果表明,随着预退火温度升高,初次再结晶后有利织构组分{111}<112>与不利织构组分(118)[110]的比值f(111)/f(118)逐渐降低,初次再结晶织构的变化是成品磁性的影响因素之一。 Preliminary annealing process at different temperatures for cold-rolled strips of a high permeability grain-oriented silicon steel was investigated to study the effect of the annealing temperature on microstructure and magnetic performance of the steel.Results show that the magnetic performances of the products annealed at 800 ℃ are best.Analysis of primary recrystallization texture indicates that with rising temperature,f(111)/f(118) which is the ratio of the favorable component {111}<112>...
CN202110791628.8一种含Cu无取向硅钢及其生产方法
本发明涉及含Cu无取向硅钢的生产方法,转炉炼钢,真空处理过后连铸成坯;铸坯化学成分:1.0≤Si/Cu≤3.0,3.0≤Si+Cu≤5.5%,S≤0.0015%,(Mn+Cu)/S≥3000,其他为Fe,Als,P以及不可避免的杂质元素;对铸坯进行粗轧;粗轧后的中间坯采用热卷机进行强制卷取,开卷后中间坯进入保温箱,控制保温箱内冷却速度≤5℃/s;进入保温箱的中间坯温度T1满足:1000‑(Si+Cu)×103≤T1≤1100‑(Si+Cu)×103;高压除鳞,精轧,层流冷却,卷取;连续酸洗;冷轧到目标厚度,成品退火,涂层;成品卷进行时效处理。成品卷具有较低的中高频铁损,高磁感和高屈服强度。
罩式炉常化工艺对热轧硅钢50W350组织和性能的影响
研究了罩式炉常化工艺对50W350硅钢热轧板组织、夹杂物和性能的影响。研究结果显示,罩式炉常化工艺在温度一定的情况下,随着保温时间延长,硅钢晶粒逐步再结晶并长大,同时析出物也在聚集长大。通过制定合理的罩式炉常化工艺,可以实现硅钢晶粒的再结晶和长大,从而达到连续退火炉常化工艺产品技术要求。 The influence of normalization process with a bell furnace on the structure,inclusions and properties of 50W350electrical steel hot-rolled sheet was studied.The research results showed that:when the steel was normalized at a certain temperature in the bell furnace,the silicon steel grains gradually recrystallized and grew up with the extension of the annealing holding time,and at the same time,the precipitates also gathered and grew up.The recrystallization and growth of the silicon steel grains...
CN202123109665.0一种高磁感取向硅钢加工用具有定位结构的热轧装置
本实用新型涉及热轧设备技术领域,公开了一种高磁感取向硅钢加工用具有定位结构的热轧装置,包括:机体,所述机体的下端固定有底座,所述机体的上端固定有顶板,所述机体的中部开设有安置腔,所述安置腔的两侧内壁开设有滑槽,所述顶板的上端嵌装有液压杆,且液压杆的伸缩端贯穿在安置腔的内部,所述液压杆的伸缩端固定有第一辊座,所述第一辊座的下方安置有第二辊座。该高磁感取向硅钢加工用具有定位结构的热轧装置设置有辊盘,辊盘用于通过螺栓固定内侧的轧辊,使得轧辊能够跟随辊盘的转动而转动,动力传输较为稳定,且轧辊可以从辊盘上进行拆卸,在轧辊损坏进行应急处理时操作更加便利,轧辊便于更换和维护。
高牌号无取向硅钢CSP流程铸坯及热轧板的组织和夹杂物分析
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...
低温板坯加热取向3%硅钢热轧板的研究
研究的两种取向硅钢(%:No1-0.042C、3.16Si、0.009Al、0.07Mn、0.50Cu、0.015S、0.0084N和No2-0.040C、3.20Si、0.014Al、0.22Mn、0.49Cu、0.016S、0.008 2N)由50 kg真空感应炉冶炼,锻成(mm)350×120×35板坯,经1 250℃30 min加热,开轧温度1 100℃,5道次热轧成2.3 mm板,终轧温度950~1 000℃。实验结果表明,两热轧板沿板厚方向存在组织和织构的不均匀性,热轧板次表层为再结晶组织,有较强的Goss织构组分;中心层为形变组织,具有典型的形变织构。含0.22%Mn的No2钢次表层{110}〈001〉织构组分比含0.07%Mn的No1钢弱,中心层{001}〈110〉织构组分大大强于0.07%Mn No1钢,导致两者磁性能差异,0.22%Mn No2钢磁感应强度(B800)和铁损(P1.7/50)分别为1.87 T和1.24 W/kg,0.07%Mn No1钢分别为1.88 T和1.18 W/kg。 Studied both grain-oriented silicon steels(%:No1- 0.042C,3.16Si,0.009Al,0.07Mn,0.50Cu, 0.015S,0.0084N and No2-0.040C,3.20Si,0.014Al,0.22Mn,0.49Cu,0.016S,0.0082N) are melted by a 50 kg vacuum induction furnace,forged to(mm) 350×120×35 slab,heated at 1 250℃for 30 min,with beginning rolling temperature 1 100℃hot-rolled to 2.3 mm plate by 5 passes,finishing-rolled at 950~1000℃.Test results show that the structure and texture along thickness of both hot-rolled plates are inhomogeneous:the subsurface ...
低温普通取向硅钢高温退火过程中高斯晶粒的演变
对低温加热工艺生产的普通取向(common grain-oriented,CGO)硅钢的高温退火过程进行了中断实验,材料为含3.0%Si、0.5%Cu、0.009 8%S(均为质量分数)的以Cu2S为主抑制剂的普通取向CGO钢。原始板坯厚度为230 mm,于1 200℃均热后经4道次粗轧、7道次精轧至2.3mm;热轧板采用两次冷轧法轧至0.3mm,中间完全脱碳退火,最后于1 200℃高温退火。最后样品的磁性能:铁损P17/50为1.182W/kg,磁感应强度B8为1.897T。借助配有EDAX OIM电子背散射衍射(EBSD)系统的ZEISS SUPRA 55VP扫描电子显微镜,对高温退火过程中高斯晶粒的演变进行了研究,结果表明:升温过程中晶粒尺寸增长缓慢,650℃时取向分布函数(ODF)图出现高斯织构组分,但强度很弱,高斯晶粒偏离角小于9°;950℃时高斯晶粒平均生长速度超过其他晶粒;950~1 000℃时高斯晶粒异常长大,偏离角降至约3°;在950℃之前高斯取向晶粒相比于其他晶粒没有尺寸优势。 The high-temperature annealing process of common grain-oriented(CGO)silicon steel was investigated by interrupting test.The samples were rolled from CGO silicon steel slab under low reheating temperature.The CGO silicon steel,taking Cu2S as the main inhibitor,contains3.0%Si,0.5%Cu,and 0.0098%S.The original casting slab is 230mm in thickness.After 1 200℃reheating,four-pass rough rolling and seven-pass finish rolling were conducted to make the thickness of the slab get to 2.3mm.Then the hot rolled...
化学气相沉积法制备6.5%Si高硅钢的研究
采用化学气相沉积(CVD)渗硅处理工艺连续制备6.5%Si高硅钢,具有优质的软磁性能,通过理论研究化学反应并且用简单的试验设备做进一步的探讨。根据试验的结果对连续制备6.5%Si高硅钢的CVD工艺构造提出全面、有效的建议,实现制备6.5%Si高硅钢系统。 CVD method for continuously manufacturing 6.5%Si Steel Sheet has excellent soft magnetic.Carried out a theoretical study of related chemical reaction and performing basic research with a simple test apparatus.Based on the results,finally proposed an overall process configuration to realize such a production-CVD method for continuously manufacturing 6.5%Si Steel Sheet.
CN202110759732.9一种无机绝缘漆及其制备方法以及在极薄硅钢带中应用
本发明提出了一种无机绝缘漆,由下列物质组成,其重量百分比为:质量百分含量为50~55%的磷酸二氢铝溶液:30~70%;质量百分含量为60~70%的磷酸二氢锰溶液:10~15%;质量百分含量为80~85%的硼酸溶液:5~6%;质量百分含量为99%的硅烷偶联剂溶液:1~5%;质量百分含量为30~35%的硝酸盐溶液:0.1~0.5%;硅溶胶:10~15%;纳米硅酸铝:10~15%;纳米二氧化硅:20~30%;消泡剂:1~5%;水溶剂:适量。本发明采用磷酸二氢铝、纳米二氧化硅为主料制备了一种极薄硅钢带薄绝缘无机绝缘漆的涂层,涂层厚度均匀性好,涂层表面光亮、附着性强、绝缘电阻系数高。

