Single snorkel vacuum refining equipment is a new style refining equipment.
单嘴真空精炼装置是一种新型的炉外精炼设备。
RH vacuum refining technology is a powerful method of producing clean steel.
RH真空精炼是大批量生产优质纯净钢的重要手段。
The dezincing limit from molten lead by vacuum refining process is studied by theoretic analysis and experiments.
对铅熔体真空脱锌限度问题进行理论分析和实验验证。
Therefore, as important processes of metallurgical method, vacuum refining and electron beam refining have been widely applied.
因此，真空熔炼及电子束熔炼作为冶金法的重要环节有着广泛的应用。
A new dynamic mathematical model to represent the processes of decarburization and degassing in RH vacuum refining units were developed.
建立了描述RH真空精炼装置内钢液动态脱碳(脱气)模型。
To study RH vacuum refining process, a new mathematical model of circulation flow rate to describe the circulation flow of molten steel in RH vacuum refining degasser was developed.
本文以RH真空精炼装置为研究对象，建立了描述RH真空精炼装置内钢液循环流动环流量的数学模型。
Efficiency of degassing and slag-removing for several refining techniques was compared through experiments and a kind of well purgative and effective dynamic vacuum refining technique is established.
试验对比了几种净化工艺的脱气除渣效率，得出了净化效果良好的动态真空精炼工艺。
The thesis briefly expounds the equipments and the refining technology of Vacuum Oxygen Decarburization Converter (VODC).
简述了真空吹氧脱碳转炉(V O D C)的设备和精炼技术。
Nevertherless, basic oxygen furnace process with heated ladle refining and vacuum degassing may also be considered as acceptable.
不过，带加热钢水包精炼及真空除气的氧气顶吹转炉工艺也可接受。？
A kind medicine refining used vacuum drying box without tray, in which there are finger type heating pipes, was introduced.
介绍一种可折卸指形加热管的无料盘药品精制真空干燥箱。
Thisarticle briefly introduces the secondary refining and discusses it with emphasis on vacuum degassing, vacuum ladle refining and refining process of stainless steel, etc.
本文介绍了中国炉外精炼概况，并着重讨论了真空脱气、真空钢包精炼以及不锈钢精炼法。
Vacuum extraction system of extraction performance affects behavior of degassing , decarburization, denitriding and so on in RH_KTB refining process.
真空抽气系统抽气性能的好坏直接影响RH-KTB精炼的脱气、脱碳、脱氮的效果，极限真空度高低决定了钢水最终的气体含量。
Meanwhile the refining process was improved, using crystallization from petroleum-benzene instead of high vacuum distillation. The process was simplified for the benefit of industry production.
同时改进了精制工艺，用石油醚-苯进行结晶代替高真空蒸馏，简化了工艺，有利于工业化生产。
The three main methods for high purity zinc preparation, including electrolytic method, vacuum distillation, zone refining, are summarized and compared in this paper.
本文对目前高纯锌的三种主要制备方法(电解法、真空蒸馏法、区域熔炼法)进行了综述和比较。
The refining process of citral product from natural litsea cubeba was studied by means of vacuum batch distillation.
采用减压间歇精馏方法，对从天然产物山苍子油中提取柠檬醛产品的精制过程进行了研究。
Its manufacture process includes the deasphalting of the vacuum-pressure residual oil, solvent refining, solvent-dewax, refining, shaping and packing.
它通过减压渣油脱沥青、溶剂精制、溶剂脱蜡脱油、精制、成型、包装等工艺过程制备而成。
At last, vacuum circuit breaker switching capacitance group overvoltage formative causes and electrode refining for lessening reignition are discuss.
最后简要分析了真空断路器开断电容器组过电压的形成原因及为减少重燃的电极老炼措施。
The refining process of elemene from oil of Rhizoma Curcuma was studied by vacuum batch distillation. The suitable operating conditions of the refined process were obtained.
采用真空间歇精馏方法对从莪术精油提取榄香烯的精制过程进行了研究，得到适宜的工艺条件。
By analyzing the process of RH vacuum degassing, the physical and mathematical models that are suitable for simulating the refining process have been developed.
对RH真空脱气过程进行解析，建立了适合于RH真空脱气过程的物理模型及数学模型。
It is shown that, for the refining of extra-low oxygen steel under low vacuum, blowing argon through porous plug into molten steel can effectively remove oxide inclusions from molten steel.
结果表明，在真空感应熔炼过程中，通过透气砖向熔池吹氩，可以实现在较低的真空度下熔炼超低氧钢，以及有效去除钢中的氧化物夹杂物颗粒。
To meet the requirements of large-scale of oil refining equipments and rigorousness of technical conditions, vacuum transfer line structures tend to become more and more complex.
随着炼油装置的大型化和工艺条件要求的提高，转油线结构趋于复杂。
The pressure of the steam used in the vacuum pump of VD refining furnace is stable, but its flow is periodic.
VD精炼炉的真空抽气泵工作时蒸汽压力稳定而流量具有周期性，间断使用。
Steam is key medium for vacuum pumping of RH refining furnace. Direct use of converter steam in production is a difficult problem that has been solving in metallurgic enterprises.
蒸汽是RH 精炼炉真空泵抽真空所需的关键介质，直接将转炉蒸汽用于生产是国内冶金企业一直在解决的难题。
The utility model relates to a vacuum melting-refining furnace for producing neodymium, iron, boron and rare earth permanent magnetic alloy material and rare earth hydrogen-storage alloy material.
本实用新型涉及一种生产钕铁硼稀土永磁合金材料及稀土储氢合金材料的真空熔炼炉。
The utility model relates to a vacuum melting-refining furnace for producing neodymium, iron, boron and rare earth permanent magnetic alloy material and rare earth hydrogen-storage alloy material.
本实用新型涉及一种生产钕铁硼稀土永磁合金材料及稀土储氢合金材料的真空熔炼炉。
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