真空处理

RH真空处理生产超低碳钢时钢水脱碳的数学模型

Mathematical model of decarburization of ultra-low carbon steel during RH treatment

过程控制系统在RH真空处理中的应用

The Application of Process Control System Used in RH Equipment

RH真空处理装置用耐火材料初探

Preliminary investigation in refractory material for RH vacuum treatment apparatus

RH钢水真空处理技术现状

Technical status of RH degassing for molten steel treatment

RH真空处理装置混凝土设备的冬期施工

Concrete Construction of RH Vacuum Treatment Installation in Winter

剖析了VOD真空处理工艺过程以及工艺过程的合理控制；

The vacuum treatment steps and process control are analyzed in detail .

RH真空处理过程中钢中氧含量预测模型

A model for predicting oxygen content of steel in the process of RH treatment

梅钢炼钢厂钢水RH真空处理机械设备技术改进

The improvement on the molten steel RH vacuum disposal system in Meishan Steel-making Plant

RH真空处理过程优化及控制

Process Optimization and Control for RH Degassing Unit

研究了添加稀土元素La，Ce（质量百分数依次为0.05%和0.15%）对93WNiFe合金动态性能的影响，所用合金分别为真空处理和锻造退火两种状态。

The effect of La and Ce on the dynamic properties of 93W-Ni-Fe alloy was researched .

RH真空处理过程中钢水的清洁度

Steel cleanliness during RH degassing process

VD真空处理产品质量分析

Quality Analysis of VD Vacuum Treated Products

RH真空处理的自动控制系统设计遵循了先进、可靠、实用的原则，节约投资的原则；

Design of automatic control system follow pioneer and credibility and usableness , Also It keep to save investment .

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 .

结果表明，真空处理合金的室温拉伸强度和延伸率大幅度增加，K（IC）和K（Id）随之提高。

The results show that the K_ ( IC ) and K_ ( Id ) of vacuum heat-treated alloys are increased with the increase of tensile strength and elongation at ambient temperature .

阐述了RH钢水真空处理技术的现状及发展趋势，介绍了主要的几种RH技术及其特点。

The present paper describes the status and development tendency of RH vacuum degassing for molten steel and the main features of some RH processes .

它包括大方坯连铸机、2板坯连铸机，LF炉和RH真空处理。

This project includes one billet continuous casting machine , one 2 # slab continue casting machines , two LHs ( ladle furnaces ), one RH vacuum .

simaticS5可编程控制器在二钢RH真空处理自动控制系统中的应用与研究

Application and Study of SIMATIC S5 Programmable Controller on RH Vacuum Treatment Automatic Control System in the 2 nd Steel Mill

利用化学共沉积法在钢基体上制备了Ni-P-（IF-MoS2）复合镀层，在400℃下真空处理2h。

Ni-P - ( IF-MoS2 ) composite coatings were deposited on medium carbon steel substrate by electroless plating and then treated at 400 ° C for 2h .

研究了包钢重轨钢从转炉出钢到结晶器各个工序过程（未经VD真空处理）钢液中氢含量变化。

The hydrogen content in the molten heavy rail steel was measured in every stages from LD tapping to mould ( without the VD refining process ) .

RH-TB真空处理用氧工艺总结与研究

Summary and Research on Oxygen Regulation Used for RH TB Vacuum Treatment

根据包钢重轨钢的冶炼条件，采用VD真空处理降低钢液中氢含量是完全必要的。

According to smelting condition of Baotou iron and steel group , VD refining process should be adopted to reduce the hydrogen content in the heavy rail steel .

RH-MFB真空处理装置控制系统

Control System for RH-MFB Vacuum Treatment Equipment

介绍了攀钢RH-MFB真空处理装置预热站的煤气、氧气流量调节系统原理、软件设计及实现。

System principle software design , accomplish of COG and oxygen flow control is introduced .

为满足管线钢生产对低硫含量的要求，近年来开发了利用RH真空处理装置通过喷吹粉剂或在真空室添加脱硫剂脱硫的新方法。

In order to meet the requirements of low sulphur content for pipeline steel , one new method is developed to inject flux via RH equipment or to add flux for desulphurization .

结果表明：含汞10-4～10-6的酸性锌锰干电池，在300℃和系统残压为35~500Pa的条件下，真空处理3h，残渣含汞量可低于10-6。

Results show that under the condition of the total chamber pressure of 35-500 Pa , temperature of 300 ℃, the concentration of mercury in waste acid zinc-manganese cell can be decreased to a level lower than 10-6 after being treated for 3 h.

认为对于中等容量的转炉车间，应采用铁水预处理（KR）转炉（BOF）钢包精炼炉（LF）真空处理（RH）连铸（CC）的现代炼钢生产工艺流程。

The authors suggest that the modern steel-making processes of hot metal pretreatment ( KR ) converter ( BOF ) ladle refining ( LF ) vacuum treatment ( RH ) continuous casting ( CC ) should be applied for the medium capacity converter shop .

用Leitz大视场显微镜观察重新抛光后样品内部宏观缺陷，发现空气和真空处理后样品缺陷增多，分别为岛状和条纹状缺陷；

The inner defects were observed by Leitz microscope . The punctual pits , disordered stripes are seen in the samples after annealed in air and vacuum .

对RH-TB真空处理设备的氧气使用工艺进行了总结，并在实践的基础上探索了合理的工艺参数。

The oxygen regulation is sum up , which is used for the RH TB vacuum treatment and the proper parameters are found out after several operational tests .

开展了铁水用石灰基预熔渣进行同时脱硫脱磷真空处理研究，试验结果表明，随着石灰基预熔渣中CaO含量增加，脱磷率和脱硫率均增大；

The vacuum treatment for simultaneous desulphurization and dephosphorization of hot metal with premelting CaO based slag was carried out . Results show that both the De S and De P rates have been raised along with the increase of the CaO content in the pre melting slag .