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blowing     
相关语句
  
    SLAGMAKING IN THE BLOWING OF SEMISTEEL IN LD CONVERTER
    顶氧气转炉半钢炼钢造渣制度
短句来源
    BLOWING THE PRE-TREATED HOT METAL CONTAINING 3% P IN OXYGEN BOTTOM-BLOWN CONVERTER WITH LIME POWDER INJECTION
    氧气底转炉喷粉炼含3%磷的高磷半钢
短句来源
    BLOWING PRE-TREATED HOT METAL CONTAINING 3% P IN OXYGEN BOTTOM-BLOWING CONVERTER WITH LIME POWDER INJECTION
    底氧气转炉喷粉冶炼含3%P高磷半钢
短句来源
    APPLICATION OF ELECTRICAL DUST REMOVAL ON OXYGEN TOP BLOWING OPEN HEARTH FURNACE
    电除尘器在氧气顶平炉上的应用
短句来源
    A Study of C -O Relation at the Latter period of Blowing Course in 120T BOF Converter in Panzhihua Steel Company
    攀钢120~T氧气顶转炉炼末期碳氧关系的研究
短句来源
更多       
  吹炼
    BLOWING THE PRE-TREATED HOT METAL CONTAINING 3% P IN OXYGEN BOTTOM-BLOWN CONVERTER WITH LIME POWDER INJECTION
    氧气底吹转炉喷粉吹炼含3%磷的高磷半钢
短句来源
    A STUDY ON ARGON-OXYGEN COMBINATION BLOWING PROCESS FOR LOW-CARBON CAST STAINLESS STEEL
    氩-氧复合吹炼法生产低碳不锈铸钢的试验研究
短句来源
    THE TECHNOLOGY OF TOP-BOTTOM COMBINED BLOWING FOR 150t CONVERTER
    150吨转炉顶底复合吹炼技术
短句来源
    STUDY ON THE THEORY AND TECHNOLOGY OF COAL-OXYGEN COMBINED BLOWING PROCESS
    煤氧复合吹炼工艺和理论研究
短句来源
    EFFECT OF BOTTOM BLOWING CO2 ON PROCESS AND NOZZLE EROSION
    底吹CO_2对吹炼工艺及底枪蚀损的影响
短句来源
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  喷吹
    APPLICATION OF TOP SEALING TECHNIQUE WITH ARGON BLOWING ON 08F STEEL
    08F钢采用氢气喷吹封顶工艺
短句来源
    REQUIREMENTS OF BLAST FURNACE OYGEN AND COAL BLOWING TECHNOLOGY FOR COKE QUALITY
    高炉氧煤喷吹技术对焦炭质量的要求
短句来源
    Safety Measures for Blast Furnace Blowing Soft Coal of Bayi Iron & Steel Company
    新疆八一钢铁公司高炉喷吹烟煤安全措施
短句来源
    Feasibility study on blast furnace blowing with meagre coal and meagre lean coal
    贫煤、贫瘦煤用作高炉喷吹煤的可行性研究
短句来源
    By injecting and blowing the lime-based powder flux (85%lime(CaO)+15% fluorite(CaF2)) of 3~5kg/t-steel with the totaltreatment time of 12~20min, it is possible to decrease the sulphur content in molten steel to an ultra-low level below (5~10)x10-4mass% from (60~80)xl0 -4mass%.
    在(60~80)、10闷mass%的初始硫含量下,喷吹3一skglt一钢石灰基粉剂(85%石灰(Cao)+l5%萤石(CaFz)),总处理时间为12一20而n,有可能使钢液达到(5一10)xlo-4 mass%以下的超低硫水平;
短句来源
更多       
  鼓风
    Application of Dewetting Supply-Air in Blast Furnace Blowing
    脱湿技术在高炉鼓风中的应用
短句来源
    Online Condition Monitoring and Fault Diagnosis for Group of 48MW Blast Furnace Blowing Engines
    48MW高炉鼓风机组群在线状态监测与故障诊断
短句来源
    APPLICATION OF THE TECHNOLOGY TO REPLACEMENT OF POWER BY STEAM IN BLAST FURNACE BLOWING SYSTEM
    高炉鼓风系统以汽代电技术应用
短句来源
    ③ Improving the blowing intensity in the roasting stage.
    ③提高烧结段鼓风强度;
短句来源
    This work analyzes problems during trial run occured in protective system of AV80 - 14 blowing mechine produced by Switzerland. It found out the reasons of misoperation . According to experiences of other plants,some trip signals of protective system were treated at early commissioning of blast furnace.
    通过对瑞士产AV80—14型鼓风机组试车过程中保护系统出现的问题的分析,找出了发生误动作的原因,并结合兄弟单位的经验和教训,在高炉投产初期对保护系统的某些跳闸信号进行了处理,保证了高炉的正常运行。
短句来源
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      blowing
    Experimental study of boundary-layer control by blowing on a flat plate at M=2.5
          
    Effect of blowing various gases into the boundary layer on the friction, heat, and mass transfer for a power-law variation of th
          
    Formulas are derived which make it possible to determine the effect of various physical characteristics of the injected and external gases on the blowing coefficient for zero Mach number and a temperature factor of unity.
          
    Considering that the blowing coefficients for heat transfer depend very weakly on the Mach number and the temperature ratio [1], it may be recommended that the formulas obtained for these values be used for other values of these parameters as well.
          
    Blowing coefficient with arbitrary variation of the mass flow rate of the blown gas past a body around which flows a stream with
          
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    A new type of converter process for steel making, i. e., the side-blownconverter process with oxygen tuyeres in double row is presented in thepaper. The advantage of dynamics and the rationality of process are laystress on theoretical analysis hereon, and formulae for the avereage horizontalvelocity of bath metal flow and the inclination applicable to tuyeres on upperrow both have been suggested. The practice of side- blown converter processwith oxygen tuyeres in double row indicates that the obvious improvementson...

    A new type of converter process for steel making, i. e., the side-blownconverter process with oxygen tuyeres in double row is presented in thepaper. The advantage of dynamics and the rationality of process are laystress on theoretical analysis hereon, and formulae for the avereage horizontalvelocity of bath metal flow and the inclination applicable to tuyeres on upperrow both have been suggested. The practice of side- blown converter processwith oxygen tuyeres in double row indicates that the obvious improvementson the effects of slagmaking and splashing and the steel quality may be achie-ved as well as the manipulation improved, thus probably bearing out that sucha process would be a new kind of strengthened blowing process for melting.

    本文介绍一种新的转炉炼钢法,即双排氧枪转炉炼钢法。文章着重对它在动力上的优越性和在方法上的合理性进行理论分析。提出了两个式子用来计算熔池水平方向上的平均流动速度和上排氧枪的适当倾角。双排氧枪转炉炼钢的实践巳经表明对造渣、喷溅.钢质和操作等都有显著改进,说明它是一种强化吹炼的操作法。

    A Japanese magazine reported that the control of burden distribution and the control of hearth temperature and blowing system are the techniques for controlling the operation of blast furnace. The hearth temperature is reflected by the theoretical combustion temperature at the tuyere and the temperature of the liquid iron. During the seventies of the twentieth century the theoretical combustion temperature at the tuyere and the temperature of the liquid iron in Japanese furnaces have increased.

    日本文献称"控制炉料分布"与"控制炉缸温度与送风"为炉内控制技术.炉缸温度主要由风口理论燃烧温度与铁水温度反映出来.七十年代,日本高炉风口理论燃烧温度与铁水温度均有所提高.武钢三号高炉采用炉内控制技术,煤气利用大改善,CO_2提高到18%,CO/(CO+CO_2)提高到0.481,焦比降低到477.4公斤,综合燃料比降低到537.1公斤.

    The results of blowing "semi-steel", i.e. hot metal after removing elements like V, Cr etc., in a LD hot model and LD converter are presented. As "semi-steel" con-tains almost no silicon and manganese, so the addition of slag fluidizer rapid formation of slag to avoid formation of skull on the lance is the main topic to bediscussed in this paper. Lime, as the main slag forming substance, has a very high melting point. It is found that the presence of small amounts of high melting point compounds such as...

    The results of blowing "semi-steel", i.e. hot metal after removing elements like V, Cr etc., in a LD hot model and LD converter are presented. As "semi-steel" con-tains almost no silicon and manganese, so the addition of slag fluidizer rapid formation of slag to avoid formation of skull on the lance is the main topic to bediscussed in this paper. Lime, as the main slag forming substance, has a very high melting point. It is found that the presence of small amounts of high melting point compounds such as V_2O_3, TiO_2 and Cr_2O_3, can also lower the slag melting point. In order to help the dissolution of lime, the natural minerals gangue diabase, basal and clay consisting of SiO_2, MgO, Al_2O_3, FeO and several other oxides have been tried. These natural minerals with low melting point, accelerate the dissolution of lime, and form a slag of high basicity and good fluidity suitable for desulphurization. The tests indicated that the blowing is quiet and desulphurization satisfactory. Low grade silicious manganese ore and tailings from the benecification of vanadium-bearing titaniferous magnatite(both available in our country are also suggested as possible slag fluidizer

    提取了V、Cr等若干元素之后的铁水习惯称为"半钢".本文叙述了在顶吹转炉热模型和顶吹转炉所做的"半钢"吹炼生产和试验的若干结果.由于"半钢"几乎不含硅、锰等元素,快速加入炉渣助熔剂以避免粘枪成为本文讨论的主题.作为炼钢熔渣主要成分的石灰熔点很高.试验中发现一定含最的V_2O_3、TiO_2及Cr_2O_3(高熔点化合物)均能降低炉渣的熔点.为了溶解高熔点的石灰,我们试验采用了由SiO_2、Al_2O_3、MgO、FeO和一些其他氧化物组成的若干天然复合矿物,如辉绿岩,玄武岩、粘土等.这些天然复合矿物具有较低的熔点并且能满足流动性好的高碱度炉渣的去硫作用.试验结果表明冶炼过程是平稳的,而且脱硫是满意的.作者认为我国大量存在的高硅贫锰矿、钒钛磁铁矿尾矿也可能是"半钢"炼钢的良好炉渣助熔剂.

     
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