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铝-尖晶石
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  “铝-尖晶石”译为未确定词的双语例句
     Development and application of high alumina-spinel-carbon unfired nozzle
     高铝-尖晶石-炭不烧水口砖的研制及应用
短句来源
     The thesis systematically investigated the properties of high alumina bauxite based-spinel castable for ladles with binder of pure calcium aluminate cement and MgO-SiO_2-H_2O system respectively. and this materials were tentatively used in 30t continuous casting ladle.
     本文选用纯铝酸钙水泥和MgO-SiO_2-H_2O系统为结合剂,系统地研究了矾土基高铝-尖晶石钢包浇注料的性能,并在30吨连铸钢包上进行了试用。
短句来源
     A large number of references and date were collected and analysed, combining with function requirements of ladles refining technique and its development trend of ladles refractory’s techinque. The experiments were done by using basic technique idea of high alumina bauxite based-spinel castable as ladles refractory.
     本文查阅和分析了大量的相关文献资料,结合目前钢包精炼工艺对耐火材料的性能要求和钢包用耐火材料的技术发展趋势,采用矾土基高铝-尖晶石浇注料作为钢包耐火材料的基本技术思路进行了开发的相关实验。
短句来源
     Using high grade bauxite, middle grade sintered magnesia and sintered spinel as main raw materials, the relationship between different binders as well addtion of middle grade sintered magnesia, sintered spinel and microsilicon powder and compressive strength, volume density and liner change rate of high alumina bauxite based-spinel castable after different temperature treatment were studied.
     以特级矾土、中档烧结镁砂和烧结尖晶石为主要原料,研究了基质组成中不同结合剂,以及中档镁砂、烧结尖晶石及硅微粉的加入量与矾土基高铝-尖晶石浇注料经不同温度处理后的耐压强度、体积密度、线变化率等物理性能指标的关系。
短句来源
     Slag resistance experiment was carried out adopting static crucible method, and change regulation of slag resistance performance of high alumina bauxite based-spinel castable was also studied.
     同时,采用静态坩埚法进行了抗渣性实验,研究了矾土基高铝-尖晶石浇注料抗渣性能的变化规律。
短句来源
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  相似匹配句对
     DISCOVERY OF Al-Si SPINEL IN NATURE
     硅尖晶石在自然界的发现
短句来源
     ALUMINA-SPINEL CASTABLES FOR LADLE LINING
     钢包用尖晶石浇注料
短句来源
     Development and application of high alumina-spinel-carbon unfired nozzle
     高-尖晶石-炭不烧水口砖的研制及应用
短句来源
     Development and application of MA spinel-C brick for continuous casting ladle
     连铸钢包用尖晶石-炭砖的研制及应用
短句来源
     Guangdong's aluminum materials
     广东
短句来源
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  alumina-spinel
Effect of TiO2 on the properties of ultralow-cement alumina-spinel castables
      
The spinel and the Al2O3-rich alumina-spinel solid solutions were formed in the steel melts equilibrated with the slags saturated by MgAl2O4 and MgAl2O4-CaAl2O4 phases, respectively.
      
Experiments on fine high-purity matrix materials have lead to the development of the new reactive alumina-spinel product E-SY PUMP 2000.
      


Powder injection in ladle is a new technology developed during the seventies. Up to now more than 40 units have been used in industry around the world. The main types of equipment are TN (Thyssen Niederrhein)system and SL (Scandinavian Lancers) system. The powders used are: Ca-Si, CaC_2, Mg+CaO, Ca(CN)_2, CaO etc. For the TN process ladles are lined with dolomite, and for the SL process both fire clay and magnesia brick are suitable. Usually argon is used as the carrier gas.As a result of powder injection,some...

Powder injection in ladle is a new technology developed during the seventies. Up to now more than 40 units have been used in industry around the world. The main types of equipment are TN (Thyssen Niederrhein)system and SL (Scandinavian Lancers) system. The powders used are: Ca-Si, CaC_2, Mg+CaO, Ca(CN)_2, CaO etc. For the TN process ladles are lined with dolomite, and for the SL process both fire clay and magnesia brick are suitable. Usually argon is used as the carrier gas.As a result of powder injection,some detrimental elements in steel can be substantially lowered such as: S to 0.002~0.005%, P to 0.005%, O to 0.0015%. MnS inclusions can be eliminated and undeformable inclusions of the spinel(CaO·Al_2O_3)type formed. Ultra low sulphur steel,low phosphour steels and heavy plates with superior toughness in Z direction can thus be produced. Powder injection technique has the advantages of simple equipment,low investment.low operation cost,good flexibility etc. It is estimated that injection metallurgy will find more and more use in the steelmaking industry during the eighties

钢包喷粉是七十年代发展起来的新技术、新工艺,目前世界上有40余台设备投入了工业生产。设备的主要类型有TN法(Thyssen Niederrhein)和SL法(Scandinavian Lancers)。使用的粉剂有Ca-Si、CaC_2、MgO+CaO、Ca(CN)_2、CaO等。TN法要求钢包内衬用白云石砌成,SL法对钢包内衬无要求(粘土砖、镁砖均可)。一般用氩气作为输送气体。经钢包喷粉处理,可使钢中S<0.002~0.005%,P<0.005%,O<0.0015%,消除MnS型夹杂,形成不易变形的钙铝尖晶石型夹杂物。从而能生产超低硫钢,低磷钢和Z向韧性优良的厚钢板等。钢包喷粉技术具有设备简单,投资少,操作费用低廉,灵活性大等优点,预计八十年代喷射冶金将得到更广泛的应用。

Pressureless sintered silicon nitride with magnesium aluminum spinel and rare earthoxide as densification aids were investigated.An almost pure α-phase silicon nitride finepowder (specific surface area=5~7m~2/g) was used as the starting material.By the liquidsintering process, silicon nitride articles with about 1% apparent porosity could be fabri-cated.The strength achieved at room temperature was 7000~7500kg/cm~2(part of them exceed-ed 8000kg/cm~2)and hardness HRA exceeded 90.Their performances at room temperature...

Pressureless sintered silicon nitride with magnesium aluminum spinel and rare earthoxide as densification aids were investigated.An almost pure α-phase silicon nitride finepowder (specific surface area=5~7m~2/g) was used as the starting material.By the liquidsintering process, silicon nitride articles with about 1% apparent porosity could be fabri-cated.The strength achieved at room temperature was 7000~7500kg/cm~2(part of them exceed-ed 8000kg/cm~2)and hardness HRA exceeded 90.Their performances at room temperature com-pare favorably with hot-pressed silicon nitride doped with 5wt% MgO.

本文报导了以镁铝尖晶石和稀土氧化物为致密化添加剂的烧结Si_3N_4研究。用接近纯α相的Si_3N_4细粉(比表面5~7m~2/g)为原始粉料,通过液相烧结,能制得显气孔率在1%左右的致密的试样。室温强度达7000~7500kg/cm~2,部分强度超过8000kg/cm~2,硬度HRA在90以上。试样的室温性能可与添加5wt%MgO的热压氮化硅材料相比。

In this paper, the conditions in service of rammed monolithic lining with alumina-magnesite refractory in 200t ladles of oxygen converters are described, their influence on steel quality is discussed and measures for prolonging the life of rammed lining are also provided. Results show that this kind of lining has got better effect than the fire-clay brick lining. This is because the formation of Mg-A1 spinel phase and the modified structure of basic materials during operation has improved the property of the...

In this paper, the conditions in service of rammed monolithic lining with alumina-magnesite refractory in 200t ladles of oxygen converters are described, their influence on steel quality is discussed and measures for prolonging the life of rammed lining are also provided. Results show that this kind of lining has got better effect than the fire-clay brick lining. This is because the formation of Mg-A1 spinel phase and the modified structure of basic materials during operation has improved the property of the ladle lining.

本文介绍了氧气转炉200t盛钢桶采用镁质材料机械捣打整体内衬的使用情况,探讨镁质捣打桶衬对钢质量的影响,提出提高捣打桶衬寿命的技术措施。使用结果表明,镁质机械捣打整体内衬使用效果比粘土砖砌内衬好,原因是在使用过程基质中形成镁铝尖晶石相,改善了基质部分的组织结构,从而改善了桶衬材质的使用性能。

 
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