炉外精炼

炉外精炼PLC系统的研制

Development of external refining PLC system

炉外精炼中钢包底吹氩流场的数学模拟

Mathematical simulation on blowing argon at bottom of ladle on external refining

Cr2O3含量不同的镁铬耐火材料在炉外精炼渣中的溶蚀

Dissolution kinetics of magnesite-chrome refractories with various cr_2o_3 contents in secondary steelmaking slag

含Al2O3和CaF2炉外精炼渣在镁白云石耐火材料中的渗透

Penetration of al_2o_3 and caf_2 containing secondary refining slags into magnesia-dolomite refractories

RH真空炉外精炼装置在梅钢的应用

Application of RH equipment in Meishan Steel

LF钢水炉外精炼工艺研究

Research on ladle furnace refining technology

中小容量转炉钢厂应推广采用改进后的CAB炉外精炼方法；

The modified CAB secondary refining method should be applied in small and middle sized BOF plants ;

钢包炉外精炼用石灰基脱硫剂中CaF2含量的测定

Determing the caf_2 content of lime base desulphurizer used for purifying out of steelmaking furnace

随着RH真空处理设备和工艺技术的不断进步，RH真空处理已在众多炉外精炼中起着不可替代的重要作用。

With the continuous development of RH vacuum degassing technology , it has been becoming more and more important .

分析了硅铁冶炼中Al2O3的还原性和炉外精炼脱铝原理，提出了生产低铝硅铁的有效方法。

The reductibility of Al2O3 and refining by dealuminizing outside the furnace are analysed , and the effective method is put forward .

150tAHF炉外精炼工艺参数优化

Optimization of Refining Parameters for 150 t AHF

介绍了rh-KTB炉外精炼过程监测软件的组成。

The structure of software on RH-KTB secondary steelmaking is presented .

RH-KTB复杂大型炉外精炼真空系统用于对钢水的提纯处理。

RH-KTB vacuum system is complex-large system used to refine and purify steel .

概要介绍了基于SiemensS7－400系列PLC、PROFIBUS－DP现场总线技术的唐钢LF炉外精炼工程控制系统的软、硬件设计。

A control system based on SIEMENS S7 - 400 series programmable logic controller and PROFIBUS - DP field bus technology is presented , which applied to ladle furnace of Tang Steel .

CAS-OB炉外精炼技术在承钢的应用

Application of CAS - ob secondary refining in Cheng steel

RH-KTB炉外精炼过程监测软件开发

Invention of software on RH-KTB secondary steelmaking

依据这些图，分析讨论了炉外精炼渣对MgO-CaO系材料的侵蚀。

Based upon above-mentioned , the off-furnace steel refining slags attack upon the MgO-CaO system refractories was discussed .

在RH炉外精炼处理过程中，采用过程计算机与过程控制数学模型对RH生产过程进行优化控制，对进一步提高钢质量，实现高效、低耗生产具有重要意义。

After adopting the process computer and mathematical model in RH vacuum refining process , the quality of liquid steel is improved , the yield is increased and the energy consumption is reduced .

介绍了RH-KTB炉外精炼真空抽气系统的工作原理和故障特点，该系统的故障诊断应满足从大量数据中快速提取征兆并及时诊断且有一定的自学习能力。

RH-KTB vacuum system is used in secondary steelmaking . The system 's basic principle and faults characteristic is introduce .

通过炉外精炼采用LF精炼炉加VD真空精炼炉。它可为连铸提供优质和高洁净度的钢水，在炼钢和连铸之间起一个时间上的缓冲。

Ladle Furnace Refining adopts LF Refining furnace and VD Vacuum Refining furnace , which provides high quality and high purity molten steel for continuous casting and make a cushion for steel making and casting .

对冷轧类钢种可采用传统流程炉外精炼工艺，即根据钢种碳含量要求和用途，选择采用RH或CAS。

While , for cold rolled flat products , the secondary refining technologies used in conventional steel plants , i.e. either RH or CAS , can be used based on the carbon contents and the usages of the steels .

从相图讨论MgO-CaO-ZrO2耐火材料抗炉外精炼渣与水泥的侵蚀

Discussion on corrosion resistances of MgO-CaO-ZrO_2 refractories to secondary refining slag and cement from phase diagrams

介绍了炉外精炼技术的发展历程，LF、HR、VOD三种精炼方法的基本特点及国内外应用情况，提出并探讨了炉外精炼技术需解决的问题和发展方向。

This paper briefly introduces the technological development , the basic characters of LF 、 HR 、 VOD , and metallurgical effects . The problem to be resolved and the trend of development on the external refining technology were proposed .

重钢在铁水预处理、LF炉外精炼配套技术完善以后，为保证优质、低耗的连铸钢水，进一步缩短冶炼周期和提高生产节奏，开发了长寿复吹转炉冶炼技术。

After hot metal preprocessing and secondary refining technology achieved , long life combined blown converter had been developed in order to ensure high quality and low cost molten steel . It can reduce refining periodic time and improve rhythmic production .

介绍了Ba-Ca-Si、Ca-Si系列合金在冶炼时对各种杂质C、S、P、Al、夹杂、夹渣的控制及Ba-Ca-Si、Ca-Si合金的炉外精炼的原理、精炼方法、操作、效果介绍。

It introduces impurities control of carbon , sulphur , phosphorus , aluminium and inclusion in Ca-Si and Ba-Ca-Si series alloys as well as secondary refinement principle , methods , operations , results of .

转炉薄板坯连铸钢厂采用LF炉外精炼工艺，其生产节奏与转炉炼钢和薄板坯连铸不相适应。

When LF secondary refining units are adopted in BOF & thin slab casting steelmaking plants , production paces of BOF , LF and thin slab CC are difficult to match with each other because of the longer time used for LF refining .

介绍广钢UHP电炉－炉外精炼&连铸短流程工艺特点，40tUHP电炉工艺实现全连铸的技术研究工作。

This paper introduce the features of the UHP electric furnace ── secondary refin-ing ── continuous casting process of Guangzhou Iron and steel Corporation and the technological research works on realizing sequence casting with the existing 40t UHP arc ─ furnace process .

为了确定钢液炉外精炼过程中加入钙使Al2O3夹杂物变性或与硫生成CaS的条件，通过热力学计算得出了1600℃和1550℃时Fe-Al-Ca-O-S系的平衡图。

In order to determine the conditions under which the added calcium in secondary refining process can form CaS or modify Al_2O_3 inclusions , the equilibrium diagrams for the Fe-Al-Ca-O-S system at 1 600 ℃ and 1 550 ℃ were obtained by means of thermodynamic calculation .

介绍了莱钢炼钢厂两座30t炉外精炼设备的计算机控制系统的计算方法及功能，对上位机控制原理作了较详细的说明。

O introduce the computation method and functions of the computer control system for two sets of 30 t ladle refining unit at Steelmaking Works of Laiwu Iron and Steel Company and also give a detailed description of the host computer control principle .

从有关三元系相图讨论了MgO-CaO-ZrO2材料抗CaO-SiO2、Al2O3-CaO炉外精炼渣以及硅酸钙水泥与铝酸钙水泥的侵蚀。

On the basis of the relevant phase diagrams of ternary systems in MgO-CaO-ZrO 2-SiO 2 and MgO-CaO-ZrO 2-Al 2O 3 quarternary systems , the corrosion resistances of MgO-CaO-ZrO 2 refractories to secondary refining slag and cement were discussed .