The LF refining process of oil casing steel at some steel work was investigated.
对国内某钢厂生产石油套管钢的LF精炼工艺进行了研究。
Therefore the amount of carbon and alloy addition should be decreased during LF refining to decrease the raise of nitrogen in steel.
因此在LF精炼时减小碳和合金加入量可减少钢中氮含量的增加。
The experimental study on control of nitrogen in liquid steel during EAF melting, LF refining and continuous casting have been carried out.
通过生产试验研究了电弧炉冶炼过程、L F精炼过程及连铸过程钢液氮的控制。
The structure and function of LF furnace are introduced, The suitable steel grades and cost for LF refining furnace are emphasized in this paper.
从电弧炉与LF炉的匹配角度简要介绍了LF炉结构及其功效，着重分析了适宜LF炉精炼的钢种以及LF炉精炼成本。
LF refining process carried out by increasing the temperature treatment and the development of rational modes of production organization can effectively address these problems.
通过增加LF精炼工序进行升温处理和制定合理生产组织模式可有效解决上述问题。
To introduce the trial production process of ML08Al cold heading steel adopting the process of converter steel-making, LF refining, billet continuous cast and high speed wire rod mill.
介绍采用转炉、l F炉精炼、小方坯连铸机、高速线材轧机生产工艺试制ML 08 A l冷镦钢的过程。
This thesis introduces the working principle, craftwork requirement, modeling process, control strategies and the realization of LF refining furnance bottom blowing Argon control system.
本文介绍了LF精炼炉底吹氩过程控制系统的工作原理、工艺要求、建模过程、控制策略以及控制系统的实现。
During the high rate heavy rail steel smelting, the upper basicity slag can be used during the LF refining, but it reduces suitable basicity of slag and refining time during the RH refining.
高速重轨钢的冶炼可以在LF精炼过程中采用较高的炉渣碱度，而在RH精炼过程中，应适当降低炉渣碱度和减少精炼时间。
The practice of the process of top-bottom blowing converter-LF refining furnace-billet casting-high speed wire rod mill for producing special TS06 wire-drawing steel wire rod is briefly introduced.
介绍了天钢利用顶底复吹转炉、LF精炼炉、方坯连铸、高速线材轧机工艺生产ts06拉丝专用钢盘条的实践。
For developing the new breed steel, the paper explored the technological way of refining effect in LF.
本文旨在探索酒钢LF炉精炼效果的工艺途径，为今后酒钢开发超低硫品种钢提供依据。
Based upon large amount of practical data on revamped LF, the metallurgical effects of refining slag are analyzed, and the suitable slag system is suggested.
通过大量改造后的LF实践数据，分析了工艺改进后精炼渣的冶金效果，同时提出了适宜的精炼渣系。
Oil refining enterprise is one lf continuous automatic production and its operating personnel work regularly in the workroom keeping watch over the instrument control equipment?
目前的炼油工艺都是连续性自动化生产，其操作人员的正常工作主要是在值班室通过监视仪表来控制装置。
Oil refining enterprise is one lf continuous automatic production and its operating personnel work regularly in the workroom keeping watch over the instrument control equipment?
目前的炼油工艺都是连续性自动化生产，其操作人员的正常工作主要是在值班室通过监视仪表来控制装置。
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