方坯连铸机的高效化改造及发展

针对近年来国内方坯连铸机的改造情况，详细介绍和分析了方坯连铸机改造的范围包括工艺，设备的改造以及取得的成果，提出了方坯;连铸机改造的主要思路和对策。     

马钢异形坯连铸机的工艺特点与实践

介绍了马钢第三炼钢厂三流方坯／异形坯连铸机及投产后的生产情况,详细分析了该台连铸机的主要工艺及设备技术特点和改善连铸坯质量的措施。     

电炉连铸机生产实践浅谈

主要介绍了韶钢第二炼钢厂小方坯连铸机热试车前的准备工作和试生产情况,在投产后两年来的生产实践中,依靠科技进步,加强科学管理,1997年上半年该台连铸机生产已达到国家特等机水平。     

首钢二炼钢8流方坯连铸机改造

为提高产品质量,扩大产品生产范围,首钢二炼钢对现有5号方坯连铸机进行升级改造.介绍了铸机升级改造采用的主要技术措施及改造后取得的效果和品种开发情况.铸机投产后仅3个月,即可生产优质碳结钢、高碳硬线钢、焊线钢、软线钢、矿用钢和合金钢等6个系列十几个钢号;双高产品比例由改造前的10.45%提高到50%以上.     

连铸高效化改造取得成效

北京冶金设备研究院开发高效连铸技术取得成效,近两年先后为宣钢炼钢厂1号、2号、4号连铸机进行改造设计,4号机已于近日投产,拉速稳定在1.8～2.5m/min,单流年产量可超15万t。上海浦钢公司转炉炼钢厂2号连铸机实施的改造工程于2000年4月初已竣工投产,拉速稳定在2.5m/min左右。该院为酒钢炼钢厂3号合金钢连铸机及承德钢铁厂150mm方坯连铸机进行的高效化改造,拟于2000年第4季度投产。连铸高效化改造取得成效@季羽     

邯钢薄板坯二期工程建设及一号连铸机改造概述

简述了邯钢两台CSP连铸机的设计特点、生产情况及一号连铸机的改造背景，介绍了改造过程，比较了改造前后的工艺变化及对产品的影响。     

对板坯连铸机机型选择的再思考

阐述武钢第三炼钢厂已投产的板坯连铸机机型的选择,介绍日本等国板坯连铸机机型的变化及新日铁８０ 年代以来将弧型板坯连铸机改造为立弯型的实践与设计方案,结合武钢连铸生产现状,提出对策与建议。     

长钢—炼钢1~#、4~#小方坯连铸机高效化改造

主要介绍长钢一钢厂与武汉大西洋冶金工程技术有限公司合作,对小方坯连铸机进行高效化改造的情况,改造中采用了连续锥度结晶器、半板簧振动装置等,改造后效果显著。     

2#板坯连铸机振动台故障分析及改造

论述了银山型钢有限公司炼钢厂2#板坯连铸机自投产以来其振动台存在的问题，根据实际情况分析论证并进行改造实施，实施后效果明显。     

菜钢2号板坯连铸机振动台的故障分析及改造

介绍了莱钢银山型钢有限公司炼钢厂2号板坯连铸机自投产以来发现振动台振辐、振动台传动装置存在一定问题．通过改造使振动器的性能满足了生产要求．取得了较好的经济效益。     

小方坯连铸机高效化改造

介绍了涟源钢铁集团有限公司第一炼钢厂2^#连铸机高效化改造的情况。通过对连铸机弧形半径、流间距、中间包、结晶器、二冷系统、振动装置、拉矫机、铸坯导向装置、引锭杆及其存放装置、给水系统、自动控制系统及部分辅助设施等的改造，提高了铸机的生产能力，改善了高拉速条件下小方坯的质量，取得了显著成效。     

Reaching the Design Capacity of a Continuous Section Caster

A new growth strategy has been devised for the West Siberian Metallurgical Combine. The cornerstone of the plan is the reconstruction of the combine's steelmaking facilities, which will involve a complete changeover to continuous casting. Oxygen-converter shop No. 2 is the first shop to be rebuilt. In October 2002, the shop added a continuous section caster with a nominal capacity of 1.2–1.4 million tons of continuous-cast semifinished products a year. The caster reached this level of output in September 2003 (11 months after startup). The design parameters of the caster were attained thanks to a combination of technological, technical, and organizational factors: development and optimization of new technologies for steelmaking, out-of-furnace treatment of the steel, and continuous casting; optimization of the steelmaking-casting schedule; modernization of the caster's equipment. The addition of a “ladle-furnace” unit and reconstruction of the main components of the caster will boost its capacity beyond the original limit, which will in turn allow the combine to make competitive, high-quality products and react quickly to changes in the market.     

1#连铸循环水处理系统改造设计论述

就凌钢转炉炼钢厂连铸改造工程新建二机二流板坯连铸系统,论述了配套循环水处理工艺,并对水处理设施和主要构筑物的改造设计进行了总结。     

济钢第三炼钢厂板坯连铸机工程控制要点分析

针对济钢第三炼钢厂直弧形板坯连铸机的工程特点,设置施工控制要点,以土建、机械、液压、电气专业为主,分析了各专业工程的关键部位及环节,并提出了应对措施,保证了工程按质按期完成。     

Development of Mould Flux for High Speed Thin Slab Casting

Mould powders impact the stability of the continuous casting process for steel at all casting speeds. The main functions of mould powder are to provide sufficient lubrication and to control the mould heat transfer between the solidifying steel shell and the copper mould. At higher casting speeds associated with thin slab casting, the role of the mould powder is even more important. Actual casting speeds for the thin slab caster at Corus IJmuiden are between 5.4 and 6 m/min; the production level is around 1.3 Mt/year (coils). It has been decided to increase the production of this caster to a level of 1.8 Mt/year (coils). In order to meet this demand, the steel in mould time has to be increased to approximately 85% and the maximum casting speed will be increased to 8 m/min. A collaborative project between Sumitomo Metal Industries (SMI) and Corus IJmuiden was initiated to develop mould powders which facilitate casting speeds up to 8 m/min at the thin slab caster. Main subjects of this project are: mould powder design, characterisation of mould powder and mould slag, trials at the pilot caster of Sumitomo and finally plant trials at the thin slab caster of Corus. A special point of attention is the condition to use mould powder as a granulated material at the thin slab caster. As a consequence, the characterisation work focussed on the choice of raw materials and on the corresponding phase relations at elevated temperatures. Typical of the developed mould powders are so‐called mild cooling properties which will result in a controlled mould heat transfer during casting. In this paper, several aspects of this joint project between Sumitomo and Corus will be described.     

浅谈方坯连铸机主体设备的发展趋势

分析阐述了目前我国方坯连铸机主体设备发展的新动向，新特点及在新上方坯连铸机的规划建设的时应注意的一些问题。     

方坯连铸机计算机控制系统

结合计算机控制系统在唐钢二钢轧厂3^#小方坯连铸机改造工程中的应用,对方坯连铸机计算机控制系统的构成、特点及应用进行了分析和研究。同时对方坯连铸机结晶器振动控制、结晶器钢水液位控制、电磁塞棒线性位移控制进行了原理分析和探讨。     

太钢第二炼钢厂转炉生产线高效化改造生产实践

太钢第二炼钢厂以转炉、连铸机高效化生产为主线进行了一系列的技术改遣和项目建设，主要技术经济指标大幅度提高。具备了年产240万t碳钢的生产能力，成为一个具有竞争力的现代化炼钢厂。     

莱钢5#连铸机设备改造

针对莱钢炼钢厂5＃连铸机性能较为落后,产能较低,特别是不能满足优钢生产的现状,炼钢厂对连铸机大包加盖装置、中间包塞棒控制、二冷段冷却系统、二冷段侧导向系统等进行了适应性优化改造,从整体上提升铸机性能,使该连铸机具备了生产高质量优钢的设备条件,取得了最佳的经济效益。     

Reconstruction of vertical continuous lab casters–An optimum solution for astering the production of flat-rolled products for critical applications

Existing vertical continuous casters have outlived their normal service life of 30–35 yrs, and they are physically worn out and technically obsolete. This limits the possibilities for using them to cast metal that goes into products intended for critical applications (thick plates, ship plate, skelp for gas and oil pipelines, etc.). However, there are several technical and technogical innovations that could be used to rebuild these units. One example is the reconstruction of the vertical caster used by Severstal’ to cast slabs in its electric steelmaking shop. Severstal’ itself, the Korad Corporation, and the company Ormeto-YuUMZ were the main organizations involved in the design, rebuilding, and startup of the modernized caster. __________ Translated from Metallurg, No. 5, p. 60–62, May, 2006.