Studied the reason and the countermeasure of longitudinal surface crack of Ma-Steel beam blank.
研究了马钢连铸异型坯表面纵裂纹的成因和对应措施。
For shape of CC beam blank is complex, there are more rate of longitudinal crack on the surface.
连铸异型坯由于其形状复杂，表面纵裂纹发生率较高。
This paper describes the study on the flow field in the beam blank mould by means of the hydraulic experiment.
采用水力学试验的方法，对异型坯结晶器内的流场进行研究。
A super-flat submerged nozzle (SEN) was developed for beam blank caster of Laigang to achieve full protection for casting.
针对莱钢异型坯连铸机实现全保护浇注的要求，开发了一种超扁平形状的浸入式水口。
After analyzing the problems of Beam Blank Caster Dummy Bar Storage device raised during production operation and solving them, economic profits are made.
对异型坯连铸机引锭杆存放装置在生产运行中存在的问题，进行了分析，提出了相应的解决方案，取得了显著的经济效益。
Using water model, the flowing distributions based on the different SEN structures and technological parameters in beam blank mould are studied in this paper.
通过水力学模型实验，在不同水口结构和不同工艺参数的条件下对异型坯进行结晶器流场对比。
Based on the underground of high efficient CC in Ma 'steel, the longitudinal surface crack and centerline crack, the uppermost defects of beam blank CC production are studied.
针对马钢异型坯高效连铸的背景，分析了异型坯生产中铸坯质量的主要缺陷类型：表面纵裂和中心裂纹。
Based on the onflow theory, a 3-d model of fluids steel was established, calculation program developed the flow character of mold fluid steel on different nozzle conditions in beam blank c.
依据湍动能理论，本文建立了结晶器内钢液的三维湍流模型，开发了计算程序，研究了不同水口状态下异形坯结晶器中钢水的流动特性。
Through the optimization of second cooling technology, the uniformity of the secondary cooling is improved, and the surface quality and the internal quality of beam blank are greatly improved.
通过二冷工艺的优化，提高了二次冷却的均匀性，铸坯表面和内部质量大幅度提高。
Switches between sample and reference beam. Four-segment design provides individual blank readings for sample and reference, increasing measurement accuracy.
斩波器，将光依次切换到参比光路和样品光路，四扇区设计可以提供样品测试和参比测试中分别测试暗电流，增加准确性。
Switches between sample and reference beam. Four-segment design provides individual blank readings for sample and reference, increasing measurement accuracy.
斩波器，将光依次切换到参比光路和样品光路，四扇区设计可以提供样品测试和参比测试中分别测试暗电流，增加准确性。
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