造渣

改善高炉造渣过程与大量喷煤

Improvement of BF slag-making process and high coal powder injection

金属铬炉渣在高碳铬铁冶炼造渣中的应用

The use of slag from chromium metal process to slag-making in high-carbon ferrochromium manufacture

B、Si造渣剂对光束合金化层组织结构的影响

Influence of B , Si Slagging Elements on Microstructure of Light Beam Alloying Layer

LD转炉铁钒土造渣机理研究

Study on Mechanism of Slag Formation with Bauxite in LD Converter

为获得成型良好的合金化层，热输入量增加时必须提高造渣元素B，Si的加入量。

Dosage of slagging elements B and Si has to be increased for good appearance of alloying coating while heat input is increased .

通过改变精炼过程造渣工艺，减少Al和铝矾土的加入量达到控制钢中夹杂物形态的目的。

The inclusion morphology is controlled by changing slag formation and reducing the added quantity of Al and bauxite in refining process .

B、Si造渣剂的加入量过少（<5mg）时，合金化层成形不良；

When the dosage of B , Si slagging elements is too little ( < 5 mg ), the formation of alloying layer is poor .

采用Cr，Ni单质粉末及B，Si造渣剂以聚焦光束合金化方法在45钢表面合成了奥氏体型表面层。

Austenite type surface coating was produced using pure Cr and Ni powders and slagging elements B and Si on 45 # steel with light beam alloying .

MnO基无氟复合造渣剂在沙钢转炉冶炼中应用的试验研究

Experimental Investigation of Slag-forming Compounds of MnO-Based without Fluorine in Converter Smelting Process

分析了LF炉的造渣、脱硫、脱氧、氩气搅拌、钢液纯净度控制等工艺制度。

The processes such as slag making , desulfurizing , deoxidizing and controlling cleanness of steel in LF are analyzed and optimized .

MnO基无氟复合造渣剂应用的试验研究

Experimental investigation on application of non-fluorine slagging material

吹炼初期，加入石灰（CaO）与已氧化杂质化合造渣。

During the early stages of the blow , lime ( CaO ) is added and this combines with oxidized impurities to form a slag .

介绍了在60t国产LF-VD精炼炉精炼高压气瓶钢的工艺改进，改进内容包括LF脱氧节奏、LF造渣、VD氩气控制、模铸铸温和铸速的改进等。

This paper introduces the craft improvement of high-pressure bottle steel in 60t domestically produced LF-VD refining furnace .

复合球团造渣剂在120t转炉上的应用

Application of Complex Pellet Slagging Flux in 120t Converter

试验结果表明，当合金化元素加入量一定时，合金化层的成型及其显微组织不仅取决于热输入量，还与造渣元素B，Si的加入量有关。

The results show that appearance and microstructure of alloying coating are not only determined by heat input , but also relevant to dosage of slagging elements B and Si when dosage of alloying elements is invariable .

采用碱熔造渣捕集铟、水洗除碱、混酸浸出铟的工艺从B塔底铅中回收铟，回收率85%；

By the process of collecting In with alkali fusion to creat residue , removing alkaline with water wash and leaching indium with mixed acids , indium was recovered from bottom lead of B column and its recovery was 85 % .

结果表明，为了降低钢中氧含量，控制转炉下渣量、改善LF和VD炉的造渣条件是非常关键的。

The results show that in order to reduce oxygen content of steel it is key to control roughing slag amount and to improve flux condition of LF and VD .

结合国内外转炉匹配LF炉的生产实践，针对酒钢LF炉的传统工艺缺陷，提出了合理的温度制度、吹Ar制度和造渣制度，并在酒钢LF炉上进行了优化工艺的试验。

On the basis of combing the production practice of home and abroad , and traditional defect of Jiuquan Steel LF , The reasonable temperature , Ar-blowing and slag making system were provided in this paper .

近年来，通过优化LF供电和吹氩等操作制度，采用预熔渣、泡沫渣的造渣技术等对此起到了一定的改进作用。

In recent years , some improvements regarding above problems have been made through optimization of the LF power supply and argon stirring system , application of the premelted slag , the foaming slag technology and so on .

实验发现，合金化层成形依赖于B、Si造渣剂对熔池金属的保护效果，合金化程度和组织均匀性则取决于B、Si造渣剂对合金化冶金过程的影响。

The results show that the formation of alloying layer depends on the protecting effect of B , Si slagging elements on melting metal ; on the other hand , the alloying degree and microstructure uniformity depend on the influence of B , Si slagging elements on alloying process .

即在烟化过程中，硅参与造渣反应，它与加入的碱性熔剂FeO、CaO等，大量形成低熔点的橄榄石炉渣，使烟化作业得以顺利进行。

This means that silicon participated in slag making process . It reacted with the added basic fluxes ( FeO , CaO etc ) to form bulk of low melting point slagS of chrysolite , resulting in a smoothly fuming process .

具体的作法是，用碳酸钠和硼砂配制成混合熔剂，将该混合熔剂与合金试样混合，经高温熔炼，使Sn转变成锡酸钠造渣而不进入铅扣，试样经灰吹富集形成Au-Ag合金。

A mixed flux composed of sodium carbonate and borax was made , and it was mixed with the alloy sample then . By smelting , tin in the sample was changed into sodium stannate , not entering into the lead button . The Au-Ag alloy was formed after cupellation .

介绍了高炉冶炼锰铁时黄长石渣相是保证熔渣流动性好、渣中MnO低的造渣制度，能够使高炉得以顺行，冶炼效果较好。

It introduces that melilitite slag phase is the right slagging rule which can assure molten slag with the fine fluidity and lower MnO content in slags , when smelting ferromanganese in blast furnaces . Blast furnace can be operated smoothly , and better smelting results can be achieved .

笔者在本课题研究中着重论证并考察了C-Mn-Si与C-Al-Si等不含氟化物主要依靠合金元素实现的非造渣型自保护机制。

During this subject research the author mainly investigate and examine the self-shielded mechanism base on mix metal powder such as C-Mn-Si or C-Al-Si , which without fluoride and produce little slag and fume during welding .

安钢100tLF精炼炉造渣工艺实践

The 100 t LF process practice making slag of Anyang Steel

氧气顶吹转炉无氟造渣新工艺

New Process of Fluorine free Slagging for Oxygen Top Blowing Converter

氧气顶吹转炉炼钢造渣计算机监控系统

Computerized Monitoring System of Sediment Making in Oxygen Top Blown Converter Process

利用钢渣制备造渣剂的成型实验研究

Laboratory research on molding of steel-making slag prepared melting agent

转炉造渣的声纳监控方法

Sonar Monitored Control Method for Slag - making in Converter

顶吹氧平炉炼钢造渣熔剂的研究

Reserch on fluxing material for steelmaking in OXYGEN-TOP blowing of open hearth