钢厂
CN202121777335.6冲制电机硅钢片用高速冲床的润滑油温控调节装置
本实用新型公开了一种冲制电机硅钢片用高速冲床的润滑油温控调节装置,包括换热机体、呈上下布置在换热机体内的冷冻水出水汇总管与冷冻水进水分配管以及冷冻水热交换换热管,冷冻水进水分配管、冷冻水热交换换热管和冷冻水出水汇总管依次连接,冷冻水进口外接冷冻水流量调节阀,冷冻水出口流出的冷冻水回流至冷却水池;换热机体顶部的一侧、另一侧分别开有进油口、出油口,进油口设油温检测盲管,油温检测盲管内设感温探头,感温探头与冷冻水流量调节阀信号连接。采用冷冻水换热冷却高温润滑油,带走油液热量,通过对冷冻水的流量控制调节,冷却后的油液温度恒定,以满足冲床润滑、冷却需要,以及减少冲床的换油周期。
CN202120101539.1一种硅钢片加工用进料结构
本实用新型公开了一种硅钢片加工用进料结构,涉及到硅钢片加工技术领域,包括壳体,壳体的两侧均贯穿开设有通槽,通槽的内部活动贯穿设置有活动板,活动板位于壳体内部的一端贯穿开设有方槽,其中一个方槽的顶端内壁和另一个方槽的底端内壁均固定设置有多个呈等间距分布的锯齿。本实用新型通过将多个硅钢片均挂在两个架板上的挂槽内,因硅钢片重量,带动两个延伸杆向下移动,延伸杆带动活动块向下移动,活动块带动齿条向下移动,从而带动齿轮转动,齿轮转动的同时,能够通过多个锯齿带动两个活动板相互靠近,从而使两个夹板相互靠近并夹紧多个硅钢片,从而能够固定住硅钢片,防止硅钢片传输时滑动,造成磨损。
CN202121571206.1一种直流力矩电机的定子硅钢片固定结构
本实用新型公开了一种直流力矩电机的定子硅钢片固定结构,包括设置于外壳内的硅钢片组,所述硅钢片组的后端被所述外壳的后端的内壁抵顶住,所述硅钢片组的前端被设置于所述外壳前端的可动压圈压紧固定。本实用新型所述的直流力矩电机的定子硅钢片固定结构中,通过在外壳内壁的前端和后端分别设置阶梯台,以对硅钢片组前后两端进行限制抵顶,可令散片形式的多个硅钢片组牢固的设置于外壳之内。
余热利用系统在硅钢连续退火机组中的应用
介绍了烟气余热利用系统的工艺流程及控制思想,结合该系统在钢厂硅钢连续退火机组中的应用实践,估算出烟气余热利用系统每年可节约蒸汽5 040 t,经济效益良好,同时分析了该系统存在的问题及对策。 Introduced a method about the process and control of the application of waste heat system, which had been used into a silicon steel continuous annealing line and profiting a good economic benefit by saving a large number of steam every year, which has been estimated about 5 040 tons, and analyzed the problems and solutions existed in this system.
无取向硅钢C6厚涂层性能的影响因素
本文介绍了无取向硅钢C6涂液的性能,研究了配水量、固化程度和涂层厚度等因素对无取向硅钢C6涂层性能的影响。结果表明,随着配水量的增加,完全固化所需的时间增加,涂液固体含量降低,涂层厚度减小;随着固化程度的提高,涂层硬度先增大然后趋于恒定,而柔韧性逐渐变差,在过固化后急剧恶化;涂层厚度对涂层的表面外观、附着性和绝缘层间电阻均有显著影响。 Based on the introduction about the performance of C6 varnish for non-oriented silicon steel sheets,effects of water amount,curing degree and coating thickness are discussed. Results show that with the increase of water amount,the time required to cure completely extends,and both the solid content of C6 varnish and the coating thickness decrease. As the curing degree increases,the hardness of the coating increases first and then tends to be constant,however the flexibility degenerates,especially...
碳化法制备硅钢氧化镁过程中杂质脱除研究
以轻烧氧化镁粉为原料,经消化、碳化制得重镁水,在热解反应前采用络合剂对重镁水中的杂质钙、铁进行络合掩蔽,再经热解得到碱式碳酸镁,碱式碳酸镁经煅烧可制得钙、铁杂质含量较低的氧化镁。在重镁水络合除杂过程中,考察了络合剂三乙醇胺、柠檬酸、草酸单独和复合使用的除铁、除钙效果。以三乙醇胺为络合剂时,在200 mL重镁水中加10 mL三乙醇胺(1∶1),氧化镁产品中w(氧化镁)=99.3%、w(氧化钙)=0.31%、w(氧化铁)=0.042%;使用草酸和柠檬酸作为复合络合剂时,在200 mL重镁水中加入1.0 g柠檬酸和2.0 g草酸,氧化镁产品中w(氧化镁)=98.2%、w(氧化钙)=0.24%、w(氧化铁)=0.030%。 Light-burned magnesia as a raw material was hydrated and carbonated to obtain magnesium bicarbonate liquor.Before the pyrolyzing of magnesium bicarbonate liquor,complexants were used to cover Fe and Ca impurities.Then the treated liquid was pyrolyzed to obtain basic magnesium carbonate which was calcined to magnesium oxide with low calcium and iron content.During the complexing purification of magnesium bicarbonate liquor,the Fe and Ca removing effects of single or compound complexing agents,suc...
高效电机用冷轧无取向电工钢退火板析出物的析出特征研究
通过热力学计算,分析了实验钢中主要析出物析出的可能性。结果表明:在液相和固液两相区中,AlN和MnS均不能析出;在奥氏体区,AlN和MnS具备热力学析出条件,平衡析出温度分别为1547、1582 K。成品退火板中的析出物主要为AlN和MnS。扫描电镜下观察到的AlN形貌多为长条状,MnS形貌多为棒状或近似球形。这两种析出物占了析出物总量的85%以上,尺寸集中分布在400~800nm;复合析出物主要是(Al2O3+MnS)和(AlN+MnS),形貌不规则,尺寸集中在0.7~1.5μm;透射电镜下观察到了少量100nm以下独立的AlN析出。 According to thermodynamic calculation, the precipitation probability of precipitates was analyzed, AlN and MnS can not precipitate in liquid phase area and solid-liquid two-phase area. In austenite area, both the AlN and MnS have precipitation condition in thermodynamics and precipitates at 1547 K and 1582 K, respectively. The precipitates in annealing plate are mainly AlN and MnS. The shape of AlN is mostly strip, and MnS is stick or near sphericity. They accounted for over 85% of the total qu...
无取向硅钢磁性能提升技术进步及其发展动向
无取向硅钢的磁性能主要取决于铁素体的晶粒尺寸、晶体织构和钢中的夹杂物。通过合适的化学成分设计以及采用适宜的夹杂物控制技术,可以获得最佳的夹杂物控制效果,使其纯净度大幅度提高或者无害,最终获得磁性能优良的高级别无取向硅钢。同时,为满足节能、环保、高效需求,无取向硅钢正朝着节能降耗、环境友好以及多功能、高效率、易加工等方向发展。 The magnetic properties of non-oriented silicon steel mainly depend on the grain size of ferrite,the crystallographic texture,and the inclusions in the steel.The optimum inclusion control effects can be obtained through a suitable chemical composition design and an appropriate inclusion control technique,and then the liquid steel will get be clean or the inclusion will get be harmless,finally the excellent magnetic property of the non-oriented silicon steel can be obtained.Meanwhile,in order to ...
电脉冲对取向硅钢凝固组织的影响研究
对取向硅钢熔融态钢液进行处理,对比研究了不同脉冲参数的作用效果。结果表明,电脉冲对钢锭晶粒组织具有明显的细化作用,凝固组织等轴晶比例大幅上升。在脉冲电容、频率、处理时间和电压中,影响等轴晶比例的最显著性因素为脉冲频率;最优正交实验参数为:电容1 200μF,脉冲频率1 Hz,处理时间5 s,脉冲电压800 V;随着输入能量的增大,等轴晶率先增大后减小,脉冲输入能量为某值时,等轴晶率最大,通过经典形核理论和热力学对这一现象进行了解释。 Research on the influence of the electric pulse on the solidification structure of oriented silicon steel was preformed.Electric pulses in different parameters were applied to molten steel and results were compared.The result shows that solidification structure of oriented silicon steel can be improved by the electric pulse,and the equiaxed crystal ratio increases obviously.Among the four parameter factors of electric capacity,frequency,applied time and voltage,the most effective factor is frequ...
CN202123154347.6一种变压器铁芯制备用硅钢片涂漆设备
本实用新型涉及变压器铁芯制备的技术领域,特别是涉及一种变压器铁芯制备用硅钢片涂漆设备,其满足不同身高的操作人员对装置的操作要求,提高装置的实用性;包括工作台、喷涂机构和输送机构,喷涂机构和输送机构均安装在工作台顶端,输送机构上设置有烘干机构;还包括固定板、支腿、连接板和升降机构,四组支腿呈四角分布安装在固定板底端,连接板横向安装在四组支腿之间,升降机构安装在固定板上;升降机构包括电机、电机座、支杆、第一连接杆、滑套、限位板、丝杆螺母、丝杠和花键轴,电机安装在电机座上,电机座安装在连接板顶端,四组支杆呈四角分布安装在工作台底端,四组第一连接杆呈四角分布安装在固定板顶端。
热轧加热时间对稀土取向硅钢抑制剂固溶行为的影响
借助OM、激光共聚焦显微镜、质谱仪和电解萃取等设备和方法,研究了添加微量稀土La(质量分数0.001 1%)的取向硅钢在轧制前采用不同加热保温时间对抑制剂固溶行为的影响。结果表明:当稀土取向硅钢在1 250℃分别保温10、20、30 min后,试验钢晶粒尺寸随保温时间延长有先快后慢的长大趋势;三种抑制剂元素Mn、Cu和Al均发生固溶,保温时间对Mn和Cu两种元素的固溶影响明显,固溶量分别由69.8%和43.7%增加至84.2%和85.2%;随着保温时间的延长,稀土取向硅钢中抑制剂的小尺寸未溶物逐渐减少直至消失,较大尺寸未溶物(300~600 nm)逐渐转变为小尺寸未溶物逐步溶入基体中,数量减少且未溶物的类型由复杂逐渐转变为单一。 In this paper the solid solution behavior of the inhibitor under various holding time in 0.001 1 %La oriented silicon steel during reheating had been investigated by using OM, LM, methods of electrolytic extraction and mass spectrometer. The results showed that grain size of the test steel increased significantly with the holding time prolonging when the rare earth oriented silicon steel was heated to1 250 ℃ and held for 10, 20 min and 30 min respectively, and the growth trend slowed down after ...
大数据技术在硅钢产品质量管控中的应用实践
磁性能指标是硅钢产品最关键的质量指标之一,但是目前磁性能判定100%依赖于样品的离线实验室检测结果,生产线配置的在线检测仪的测量结果由于精度问题,不宜直接用于成品牌号判级。本文在现有硅钢产品质量管控体系基础上,利用大数据技术对生产数据进行分析与建模,构建不同磁性能指标在线检测模型,并在现有信息系统上完成模型库的集成部署,实现硅钢产品全长、多指标磁性能结果的拟合数据输出,支撑取样优化、精准分切、辅助综合判定等功能应用,进一步优化硅钢产品质量管控体系。 The magnetic performance index of silicon steel products is one of the most critical quality indexes.However,at present,100%determination of magnetic performance depends on the offline laboratory test results of samples,and the measurement results of the online detector configured in the production line cannot be applied in practice due to the accuracy problem.Based on the existing quality control system of silicon steel products,big data technology was used to analyze and model the production d...

