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basic slag     
相关语句
  碱性渣
     In order to study the changing rules of nitrogen content in liquid steel,the basic slag system of CaO-SiO2Al2O3 is chosen as basic ingredient in experiment,the experiment was performed on the basis of changing basicity and changing carbon content of ladle slag.
     选用CaO-SiO2-Al2O3系碱性渣作为基础渣系,通过改变钢包顶渣的碱度及碳含量,研究了钢液中氮含量的变化规律。
短句来源
     the basicity slag system of CaO-SiO2-Al2O3 was chosen as a basic component in this experiment; V2O5, BaO and TiO2 were added to the basic slag system,V2O5 was singlely added to the molten slag,BaO was put into the slag with TiO2 at the same time. The experiment was performed by changing the content of these additions at the high-temperature.
     选用CaO-SiO2-Al2O3系碱性渣作为基本渣系,并向渣中加入V2O5和BaO,TiO2,其中V2O5是单独加入钢包顶渣中,BaO和TiO2是同时加入熔渣中,在高温下,通过改变它们的含量来做实验。
     In order to study the influence rules of V_2O_5 and Re_xO_y in the ladle slag on nitrogen content in liquid steel,the basic slag system of CaO-SiO_2-Al_2O_3 was chosen as a basic ingredient in the experiment.
     为了研究熔渣中V2O5和R exOy对钢液氮含量的影响,选用C aO-S iO2-A l2O3系碱性渣作为基础渣系。
短句来源
     In basic slag, vanadium is found as polyvaluent, the 5-valuent is prior to 3-valuent vanadium combining with CaO to form vanadate and the spinel of 3-valuent vanadium is also formed when the basicity decreases to 1.5 and the V_2O_5 increases to 20%.
     在碱性渣中钒以多价形式存在,首先以5价态与CaO生成钒酸钙,随着碱度降低到1.5和V_2O_5增加到20%时,渣中还同时出现3价态的钒尖晶石.
短句来源
     In order to study the influence rules of nitrogen content in liquid steel,the basic slag system of CaOSiO2-Al2O3 is chosen as a basic ingredient in the experiment,the high-temperature experiment was performed on the basis of changing basicity and content of TiO2 in ladle slag.
     选用CaO-SiO2-Al2O3系碱性渣作为基本成份,改变渣中碱度大小和TiO2含量,通过高温实验来探讨渣中碱度大小和TiO2 含量变化对钢液氮含量影响的规律。
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  碱性炉渣
     Selecting titanium-containing slag as flux for steelmaking in oxygen-top blowing of open hearth, will accelerate lime dissolution, and promote forming of basic slag.
     采用含钛渣作为顶吹氧气平炉炼钢的造渣熔剂,能够加速石灰熔解,促进碱性炉渣形成;
短句来源
  碱矿渣
     Manufacture of Basic Slag Flying Ash Non-fired Bricks
     碱矿渣粉煤灰免烧砖的试制
短句来源
     DEVELOPMENT OF NEW TYPE BASIC SLAG CEMENT FOR HIGHWAYS
     新型碱矿渣公路水泥的研制
短句来源
     The new highway cement prepared with basic slag as the binder in this study leatures high strength, good abrasive resistance and small dry shrinkage and its cost is far lower than that of the portland cement for highway.
     本研究以碱矿渣为胶结材配制的新型公路水泥.具有强度高、耐磨性好、干缩率小等优点,且成本远低于硅酸盐道路水泥。
短句来源
     mixing with a special M-additive,adjusting ratio of mixture,the paper discusses a way of production of high--strength slag cement,and analyses the process of hydrate with the way SEM,and probes into the hydrate mechanism,As a result,the method using M-ad- ditive solves the quick setting of the basic slag cement,and obtains higher initial strength and later strength,so we produce the 525# slag cement without mixing silicate cement clinker.
     借助SEM等手段对水化过程和水化产物进行了分析,并对水化机理进行了探讨。 结果表明,采用M型外加剂解决了碱矿渣水泥的快凝问题,并获得了较高的早期强度和后期强度,在不掺加硅酸盐水泥熟料的情况下制得了525#矿渣水泥。
短句来源
  “basic slag”译为未确定词的双语例句
     The results showed that the melting point and viscosity of fluxes decreased by added BaO or Li_2O in CaO basic slag effectively to improve the dynamics condition of metal- slag reaction.
     结果显示在传统的CaO基熔渣中加入BaO、Li2O可以降低渣系的熔点和粘度,有效地改善了渣钢反应的动力学条件。
短句来源
     A Study on the Foaming of Basic Slag Containing TiO_2
     含TiO_2碱性炼钢渣的发泡性能研究
短句来源
     This paper calculated and analyzed the thermodynamic possibility of dephosporization for ferromanganese with a basic slag containing CaO, Na2O or BaO, and summarized many dephosphorizing processes for ferromanganese at present and its prospects in application.
     计算分析了锰铁应用CaO、Na_2O、BaO碱性熔渣脱磷的热力学可能性,阐述了目前锰铁脱磷的各种方法及其应用前景。
短句来源
     In this paper the research includes two parts. Firstly, CaO-SiO_2-Al_2O_3-CaF_2 is chosen as the basic slag. Effects of adding additives to CaO-based slag on melting point, viscosity and desulphurization ability have been investigated.
     本次研究主要分为两个部分,第一部分对脱硫合成渣进行实验研究,选择CaO-SiO_2-Al_2O_3-CaF_2为基础渣系,在CaO基脱硫合成渣中加入添加剂,研究了添加剂对合成渣的熔点、粘度以及脱硫性能的影响。
短句来源
     DEOXIDATION EFFECTS OF EAF-CAB BASIC SLAG TREATMENT ON BALL-BEARING STEEL
     EAF—CAB—低碱度渣处理轴承钢脱氧效果的研究
短句来源
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  basic slag
In the MIP process, oxygen, fine-grained coal, and fluxes are injected into a liquid iron bath to produce a high temperature gas consisting of CO and H2 plus a liquid basic slag.
      
The reduction of manganese oxide from a basic slag by carbon dissolved in liquid iron is a slow reaction, failing to approach equilibrium closely in 20 hr.
      
It is shown that the materials possess the highest resistance to the action of Fe2O3, Al2O3, and basic slag of the SiO2-CaO-Fe2O3 system, are less resistant to the action of acid slag of this system, and decompose actively under the effect of SiO2.
      
A protecting magnesite coat is applied to the carborundum portion of thermocouple holders made for long-time immersion into steel and basic slag.
      
The method was tested for a series of cement, basic slag and fly ash standards.
      
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An equilibrium study of the reactionCaF_2(in slag)+H_2O=CaO(in slag)+2HF.between HF-H_2O gas and slags of the CaO-CaF_2 and CaO-SiO_2-CaF_2 system has been carried out with a view to evaluating activities in the said slags. Values of the ratioα_(CaO)/α_(CaF_2) are calculated from experimental data, and activities of the individual components are obtained from the α_(CaO)/α_(CaF_2) values with the modified Gibbs-Duhem equations derived by the authors for binary and ternary systems.It has been shown that the simple...

An equilibrium study of the reactionCaF_2(in slag)+H_2O=CaO(in slag)+2HF.between HF-H_2O gas and slags of the CaO-CaF_2 and CaO-SiO_2-CaF_2 system has been carried out with a view to evaluating activities in the said slags. Values of the ratioα_(CaO)/α_(CaF_2) are calculated from experimental data, and activities of the individual components are obtained from the α_(CaO)/α_(CaF_2) values with the modified Gibbs-Duhem equations derived by the authors for binary and ternary systems.It has been shown that the simple ratio CaO/SiO_2 can be used as a suitable criterion for the basicity of CaO-SiO_2-CaF_2 slags. The beneficial effects of a fairly basic slag for suppressing silica reduction and fluorine volatilization in blast-furnace smelting of fluorine-bearing iron ore are discussed in the light of the present results.

利用CaF_2的高溫水解反应平衡,測定了1450℃时CaO-CaF_2系和CaO-SiO_2-CaF_2系熔渣中CaO对CaF_2的活度比,并按变通的Gibbs-Duhem方程式計算了二元系中CaO及CaF_2的活度和三元系中SiO_2的活度。試驗結果表明,将CaF_2視为中性,而用簡单的CaO/SiO_2比表示含氟高炉渣的碱度是合理的。从三元系中等SiO_2活度线可以看出提高碱度可大大降低SiO_2的活度,因而可以对渣中氧化硅的还原和氟的揮发起有效的抑制作用。

As regards the effect of the iron oxide content of molten slags upon desulphurization in iron- and steelmaking, different conclusions have been given in the literature: (1) pure iron oxide slag has a desulphurizing effect and gives a sulphur-distribution ratio of 3.6 at 1600℃; (2) variation of the iron oxide content of openhearth slags from 3 to 70% has practically no effect upon the sulphur-distribution ratio; (3) with electric furnace (or blast furnace) slags, the less the iron oxide...

As regards the effect of the iron oxide content of molten slags upon desulphurization in iron- and steelmaking, different conclusions have been given in the literature: (1) pure iron oxide slag has a desulphurizing effect and gives a sulphur-distribution ratio of 3.6 at 1600℃; (2) variation of the iron oxide content of openhearth slags from 3 to 70% has practically no effect upon the sulphur-distribution ratio; (3) with electric furnace (or blast furnace) slags, the less the iron oxide content, the higher the sulphur-distribution ratio; and (4) with less basic slags within a certain range of basicity, increase in the iron oxide content brings about an increase in the sulphur-distribution ratio. In the present paper, through calculations with the help of the sulphur-distribution ratio formula: (%S)/[%S]=2.56fs/γ_s--·(Σn+Σn_-)/n_(FeO) derived from the complete-ionization theory of slag constitution and with the introduction of activity coefficients, it has been shown that the above-mentioned four conclusions are not contradictory against one another, and between them there exists an intimate relation. They simply signify that under different conditions iron oxide exerts different actions, and all these different actions could be amalgamated and generalized under the same formula. On the assumption that SiO_2 is present as SiO_4~(4-)in the slag, the formula is not suitable for application to acid slags, while at the same time the effect of temperature upon the sulphur-distribution ratio needs further investigation. The formula has been used to evaluate the sulphur-distribution ratio of basic cupola and basic side-blown converter slags from data in actual practice, and the following resuits have been obtained: (1) desulphurization in the basic cupola practice has practically reached equilibrium; and (2) in basic side-blown converter practice, owing to the presence of gaseous desulphurization, the sulphur-distribution ratio found in actual practice is less than that calculated from the formula.

根据由炉渣完全离子化理論导出的硫分配比公式: (%S)/[%S]=(2.56fs)/(γ_s--)·(∑n_+∑n_-)/(nFeO),在充分引用活度系数的条件下,研究炉渣氧化鉄含量对脫硫的作用。文內采用三种碱度的炉渣进行了計算,結果証明文献內前人对FeO作用四种分歧的評价不是相互矛盾的,而相反地是有內在联系的;它們說明FeO在不同条件下显示不同的作用,而这些不同的作用都可用上列硫分配比公式統一地表示出来。最后,对該公式能否适用于碱性化铁炉及側吹碱性轉炉炉渣,以及对該公式存在的某些缺点和問題进行了討論。

In a previous paper, it has been ascertained by the same author, that the sulphurdistribution-ratio formula, based on the complete-ionization theory of slag constitution and with the introduction of activity coefficients,(%S)/[%S]=32L_sf_s/(γ_(Fe~(2+))+γ_(S~(2-))·(∑n+∑n-)/n_(FeO) is adaptable to different kinds of basic steel-making slags, and could explain unanimously the different controversial arguments as regards the effect of FeO upon desulphurization. It is the purpose of this paper to show that the same...

In a previous paper, it has been ascertained by the same author, that the sulphurdistribution-ratio formula, based on the complete-ionization theory of slag constitution and with the introduction of activity coefficients,(%S)/[%S]=32L_sf_s/(γ_(Fe~(2+))+γ_(S~(2-))·(∑n+∑n-)/n_(FeO) is adaptable to different kinds of basic steel-making slags, and could explain unanimously the different controversial arguments as regards the effect of FeO upon desulphurization. It is the purpose of this paper to show that the same formula might equally well be applicable to the acid or less basic blast-furnace-type slags, and to try to work out a tentative method of calculation. With this view in mind, according to the "basicity index" (∑b-2n_(Al_2O_3))/(n_(SiO_2)-n_(Al_2O_3)) newly proposed, the following acid radicals have been assumed to be present in the blast-furnace-type slags: SiO_~(4-), Si_2O_7~(6-), Si_3O_9~(6-), Al_2SiO_7~(4-), Al_2Si_2O_8~(2-) and AlO_3~(3-). Elaboration of the experimental data of Hatch and Chipman, Taylor and Stobo, as well as and others gave the following empirical relation:logγ_(Fe~(2+))γ_(S~(2-))=-53.5 No~(2-)+2.12. With this relation and the above formula, evaluation of the sulphur-distribution-ratio of the basic cupola for the low-basicity practice gave values practically in good agreement with those found in practice. Further calculation has shown that the effects of the FeO-content of the less basic slag upon desulphurization follow the same regularity as those of the basic slags. Thus the above-given sulphur-distribution-ratio formula might be considered as a most general and universal formula, which holds true for the sulphur-distribution between molten iron with any carbon content, and slags with either low or high FeO-content, as well as slags with either high basicity for the steel-making slags or low basicity for the blast-furnace-type slags. Furthermore, the (%S)/αs value as calculated is found to be practically independent of temperature as well as the composition of the molten iron.

根据新提出的碱度指标,对低碱度高炉型渣的离子结构作了假定。利用前文提出的、适用于各种碱性炼钢型渣的硫分配比公式: (%S)/[%S]=32L_Sf_S/γ_(Fe~(2+))γ_(S~(2-))·(∑n+∑n-)/n_(FeO)对Hatch和Chipman,Taylor和Stobo以及等的饱和碳铁液和高炉型渣平衡实验数据进行处理分析,得出: Igγ_(Fe~(2+))γ_(S~(2-))=-53.5 N_(O~(2-))+2.12。进一步计算证明了该硫分配比公式也适用于一般的低碱度渣。对碱性炼钢型渣适用的、关于FeO含量对脱硫作用的规律证明了也适用于低碱度渣。将f_S与(%S)/[%S]合并考虑,则(%S)/α_S基本上不受温度和铁液成分的影响。

 
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