TZCR钼顶头的研制及外形设计

介绍了粉末冶金法生产TZCR钼合金顶头的工艺过程，探讨了压制，烧结的机理，钼顶头在热轧穿孔中的外形设计及影响其寿命的有关因素。     

Technology innovations on high quality special steel products

Because special steels are the basic materials for industrialization,a national R&D program on special steel technology for high quality products have been granted to promote the special steel production and applications since 2008.Since then,great progresses have been achieved on ferritic stainless steel sheets,heat resistance steel pipes and tubes,microalloyed forging steel bars,and mould steel forgings for hot working. The ratio of ferritic stainless steel sheets produced by TISCO and Baosteel has been promoted through technology innovations and increased 42%and 48 in 2009 respectively.439M steel sheets have been used to exhaust system,and 444 steel sheets have been applied to kitchen and architecture.The production technologies for heat resistance steel pipes and tubes(T/P92,S3043,S31042 steels) have been developed in Baosteel and Pansteel to meet the market requirements.Meanwhile,the round bloom technology has been initiated in Xingcheng Steel.The new technologies for microalloyed forging steels,low cost steel bar,and tailored steel and components,were proposed by CISRI based on the understanding of precise chemical composition and segregation control.And the applications of microalloyed forging steel bars have been promoted remarkably.The researchers have developed high quality mould steel technologies,heavy section forgings of 718 steel,high premium H13 steel blocks and large diameter mandrels used for seamless pipe rolling.The technology innovations of the program could lead to the progress of production technology in special steel sheets,pipes,bars and forgings,and meet the demands from market.For the moment,it is actually believed that there still strong requirements for the technology innovations on special steels.     

Thermal and thermally stressed state of water-cooled mandrels

A procedure for calculating the temperature fields in water-cooled piercer mandrels is developed. The results of calculations of a heat conduction equation by the finite element method and the method of finite differences are compared. High-temperature EP745 alloy is proposed as a material for piercer mandrels. The thermally stressed state of water-cooled piercer mandrels is determined.     

宝钢数据挖掘系统

宝钢开发的实用数据挖掘系统是一个基于SAS平台的软件,该系统主要由数据收集、数据采集样、数据预处理、可视化探索、聚类分析,模型建立、数据预报、优化设计、趋势分析以及规范管理等功能组成,文章主要介绍实用数据挖掘系统及在宝钢应用的实例。     

宝钢煤岩配煤方法的研究

在总结国内外煤岩配煤方法的基础上,确定了宝钢煤岩配煤的基本思想,并进行了试验设计。选择宝钢常用的炼焦煤,进行了21批单种煤改变惰性物含量的炼焦试验;参照生产配煤,改变配煤的强粘比和惰性物含量,进行了9批配煤炼焦试验,共获取有效数据357组。在理论分析与实际相结合的基础上,确定了宝钢煤岩配煤的参数;用试验获得的数据,进行数学分析获得宝钢焦炭强度预测模型,确定了宝钢煤岩配煤的方法。     

Solidification of a thick slab in a mold with supplementary cooling

A model is proposed for the solidification of thick ingots with supplementary cooling by means of mandrels. On that basis, the overheating of the liquid steel in the classical system may be eliminated. The effectiveness of supplementary cooling by means of mandrels is shown in a computational experiment. The solidification rate may be significantly modified by that means.     

Mandrel life in Disher piercing mill

The most significant factors determining the wear resistance of mandrels in the Disher piercing mill at OAO Tagmet are identified: the resulting sleeve length, the mandrel size, the deformation conditions, and the machine time for piercing. Rather than any one of these factors, their combination has the greatest influence on the wear resistance of the mandrels.     

MPM机组在线预插入功能的实现与应用研究

文章介绍了限动齿条插入行程的工艺现状,通过软件开发芯棒在线预插入功能,避免芯棒插入时发生意外事故,同时有效的提高了轧制节奏。通过文章的描述,便于工艺和设备维护人员对预插入功能的了解。     

烧结循环使用转炉渣磷富集的探讨

从探明转炉渣返回烧结循环使用后磷的富集规律出发，对高炉炼铁和转炉烧钢各生产工艺的磷平衡进行了分析，推导了磷平衡方程式和产生磷平衡现象的条件，并且以宝钢烧结使用转炉的磷富集为例进行了实际计算。     

管件用管性能优化与改进

分析宝钢管件用管的原有实物质量和国外同类钢管的性能,通过降低成分设计中碳含量和硅含量提高钢管的塑性和韧性,适当提高锰含量以确保强度,提升钢管机械性能对后续加工的适应性。同时,通过改进张力减径机导向管固定方式、张减孔型合理配置和输送装置跟踪修磨等合适的表面质量控制措施,避免钢管在轧制中产生辊印和外表擦伤。生产证明,材质和生产工艺的改进使管件用管的实物质量得到改善,满足用户要求。     

1420冷轧酸再生预浓缩器液位异常分析及对策

围绕宝钢分公司1420冷轧酸再生于2004年8月发生的一起48 h停机故障,从设备、工艺方面进行全面分析,从理论上找到了该故障的原因,并采取有效措施解决这一故障,取得了很好的效果.同时对以后的维护提出一些建议.     

Overview:Development of Clean Steel Production at Baosteel

The development of clean steel technology at Baosteel can be dated back to the first production of IF steels and pipeline steels in the early 1990s.Now the technology has gradually covered nearly the whole range of products.This progressive development is introduced in the overview including the levels of cleanliness for some steel grades at Baosteel.The technologies at different processes for the production of clean steel and the removal of some impurity elements in molten steel are also discussed.Suggestions are given on the future research and development of clean steel technology at Baosteel in the aim to keep a sustainable development,which should focus on the basic research,inclusion control and making efficient use of inclusions,as well as stable and reliable low-cost manufacturing technology,removal of harmful residual elements,and the expanding of the technology to stainless steels and special steels.     

宝钢烧结自动控制的发展

介绍了宝钢烧结自动控制发展的过程，阐述了其自动控制的思想，并对主要控制功能进行了说明。     

矿棉生产技术发展前景探讨

简述了我国矿棉工业的发展及其生产工艺的现状,比较了当代矿棉生产的三种工艺的技术特点,认为采用高级摆锤法的工艺技术,以优质的宝钢高炉干渣作为主原料而生产出来具有国际先进水平的优质结构矿棉,市场前景广阔.     

10CR8BW十辊钢管矫直机的结构特点及分析

宝钢钢管分公司引进的十辊钢管矫直机是世界上最先进的钢管矫直机之一.文章从矫直机结构的角度,分析了该十辊钢管矫直机的结构特点,指出其不足之处;将十辊矫直机与以往的六辊矫直机进行了比较,十辊矫直机在生产效率、产品质量等方面具有许多新特点.     

Independent integration of the 300 t BOF of Zhanjiang in heritage of steelmaking technologies of Baosteel

Through summary and extraction of current steelmaking design,process and equipment technologies and production technologies for 300 t grade converters in Baosteel,the article analyzes and elaborates the significance of independent integration of 300 t grade converters in Zhanjiang,major targets of the independent integration in converter process technologies,equipment packages and controls,the innovated critical technologies and comparison with overseas advanced technologies,major technical difficulties in the integration in Baosteel and their solutions,as well as general mindset and final objectives of the project.The total integration of technology for Shanghai No.1 Steel Making Plant of Baosteel was undertaken by Nippon Steel.And Kawasaki Steel was responsible for the total integration of technology for 4# and 5# converters of Shanghai No.2 Steelmaking Plant of Baosteel.Based on digestion,absorption and innovation of the introduced technologies,Baosteel has firstly achieved the independent integration of 6# converter,5# RH and 3# LF projects in the Shanghai No.2 Steelmaking Plant of Baosteel.Therefore, Baosteel shall take advantages of the favorable conditions and experiences and advanced steel making technologies of Baosteeel to master the imported new steelmaking technologies in the world and then form the advanced complete set steel making technologies and equipment at home and abroad.The achievement of independent integration of Zhanjiang Steel Making Project will make the breakthrough for the construction of large - sized steel making plant in Baosteel.300 t converter technology integration is undertaken by Baosteel independently in instead of by the foreign side in the past.     

不锈钢企业集成制造系统的关键技术及系统实现

分析了流程工业中工艺较复杂、自动化要求较高的不锈钢企业的生产特点,介绍了宝山钢铁股份有限公司不锈钢分公司集ERP与MES为一体的集成制造系统架构,以及实现集成制造系统的关键技术。     

Φ180mm MPM连轧机Φ173A系列孔型设计

由于现场Φ158.3 mm规格芯棒短缺,为满足我厂生产需求,对原有Φ173系列孔型做了修改。通过使用连轧机数学模型进行验算,最终确定了使用Φ160.5 mm规格芯棒代替Φ158.3 mm规格芯棒轧制Φ139.7 mm×7.72 mm规格石油套管的专用孔型。     

钢铁企业物流对能耗影响的实例计算分析

根据物流递推公式和能耗公式，以宝钢生产数据为例，计算和分析了企业物流对能耗的影响。宝钢在物流损失方面的节能潜力为50．7万tce，占总能耗的8．2％。得到了各类物流对能耗影响的规律。     

当前冶金科技进步工作中的几个问题--写在《宝钢技术》创办20周年之际

就当前冶金工业和钢铁材料发展过程中,特别是就我国冶金实践和研发工作中面临的几个重大方向提出作者的认识和建议.这几个问题涉及宝钢科技安排的建议,包括继续努力"节能降耗"、考虑冶金资源瓶颈效应前提下开发低品位矿的有效使用;冶金环保向世界先进水平挺进,特别是大气质量(包括厂区降尘量和CO2排放量的减少)的改善;冶金产品向新一代钢铁材料方向升级和扩展以及冶金工艺向更短流程和更高生产率方向努力.