近几年济钢铁前系统技术进步

介绍了近几年济钢依靠科技进步,在铁前系统技术改造方面所做的主要工作及技术改造所取得的效果,阐述了今后８济钢铁前系统在技术进步方面努力的方向。     

宝钢150t超高功率直流电弧炉用耐火材料

介绍、讨论了宝钢１５０ｔ超高功率直流电弧炉耐火材料的设计特点,以及投产一年多来的使用情况,并根据操作经验认为：（１）造成泡沫渣埋弧操作非常关键;（２）镁铝尖不石底电极套筒砖性能优越;（３）冷态下底电极套砖接长修补是可行的;（４）采用高钙、低硅,适量的铁的烧结镁砂制成的炕底捣打料性能良好;（５）采用热态修补出钢口技术能大大延长出钢口砖寿命;（６）小炉顶的材质建议采用镁碳砖环状砌筑。     

中小型钢厂铁水喷粉脱硫试验研究

采用上出料喷粉设备和石灰＋ 电石＋ 萤石的混合脱硫剂在１２ｔ 铁水包中进行喷粉脱硫工业性试验,结果表明：在保证喷粉量的情况下,可达到良好的脱硫效果;且设备运行稳定可靠,可实现粉—气比（ｋｇ／ｋｇ） 的亚浓相输送     

带钢生产新工艺

介绍了４种带钢生产的新工艺,即薄板连铸连轧工艺、薄带连铸工艺、连铸冷轧工艺、金属喷镀工艺,对带钢生产工艺的选择及采用有借鉴意义。     

New Transient Hot-Bridge Sensor to Measure Thermal Conductivity, Thermal Diffusivity, and Volumetric Specific Heat

A high sensitivity thermoelectric sensor to measure all relevant thermal transport properties has been developed. This so-called transient hot bridge (THB) decidedly improves the state of the art for transient measurements of the thermal conductivity, thermal diffusivity, and volumetric specific heat. The new sensor is realized as a printed circuit foil of nickel between two polyimide sheets. Its layout consists of four identical strips arranged in parallel and connected for an equal-ratio Wheatstone bridge. At uniform temperature, the bridge is inherently balanced, i.e., no nulling is required prior to a run. An electric current makes the unequally spaced strips establish an inhomogeneous temperature profile that turns the bridge into an unbalanced condition. From then on, the THB produces an offset-free output signal of high sensitivity as a measure of the properties mentioned of the surrounding specimen. The signal is virtually free of thermal emf’s because no external bridge resistors are needed. Each single strip is meander-shaped to give it a higher resistivity and, additionally, segmented into a long and short part to compensate for the end effect. The THB closely meets the specific requirements of industry and research institutes for an easy to handle and accurate low cost sensor. As the key component of an instrument, it allows rapid thermal-conductivity measurements on solid and fluid specimens from 0.02 to 100 W· m⁻¹·K⁻¹ at temperatures up to 250°C. Measurements on some reference materials and thermal insulations are presented. These verify the preliminary estimated uncertainty of 2% in thermal conductivity.     

宝钢热轧汽车用钢生产现状及发展趋势

介绍了宝钢热轧汽车用钢的生产现状、产品特点；重点介绍了热轧汽车大梁的生产状况，并对热轧汽车板生产中存在的问题进行了分析；最后对宝钢热轧汽车用钢的发展趋势进行了展望。     

加压热煤气脱硫技术研究初步结果

新建成了一套热煤气脱硫剂试验台架系统,加压流化床操作,已成功地投入运行。进行了钛酸锌脱硫剂的初步试验,并取得了4个循环试验的结果。     

Experimental Study on Surface Deterioration of Hot RollingMill Rolls under Near Service Conditions

ＥｘｐｅｒｉｍｅｎｔａｌＳｔｕｄｙｏｎＳｕｒｆａｃｅＤｅｔｅｒｉｏｒａｔｉｏｎｏｆＨｏｔＲｏｌｌｉｎｇＭｉｌｌＲｏｌｌｓｕｎｄｅｒＮｅａｒＳｅｒｖｉｃｅＣｏｎｄｉｔｉｏｎｓＣｕｉＰｅｉｙｏｎｇＡｂｓｔｒａｃｔ：Ｗｉｔｈｓｐｅｃｉａｌｌｙｄｅｓｉｇｎｅ...     

提高镀层粘附性能的研究

镀层的粘附性能是影响镀锌产品质量的关键，镀层的粘附性不良将导致镀层产生裂纹及脱落，直接影响镀锌产品的使用寿命。介绍了镀层粘附性机理，并结合实际研究了影响镀层粘陵性的各种因素。     

Land红外测温仪在移动带钢温度测量中的应用

主要介绍英国Ｌａｎｄ仪器仪表公司红外测温仪的特点，选用要点及在攀枝花钢铁公司冷轧厂连续镀锌线（ＣＧＬ）退火炉带钢温度测量与控制中的应用。