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复合吹炼
相关语句
  combined blowing process
     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
  combined-blowing
     A brief introduction of the growth of oxygen-blown converter steel production, quality improvement, increase in grade, prolongation of campaign, development of combined-blowing technique, computer-aided control and achievements in treating medium-phosphorous hot metal and in refining process of semi-steel is given.
     介绍了氧气转炉钢产量增长、钢水质量改善和扩大品种、提高炉龄、开发氧气转炉复合吹炼、冶炼过程计算机控制,以及中磷铁水和半钢冶炼工艺技术的成就和技术进步。
短句来源
     In this paper, the[N] behavior during combined-blowing is discussed.
     本文探讨了转炉顶底复合吹炼过程中[N]的行为。
短句来源
     According to the literature and practice of LD-CB combined-blowing process at Baoshan Steel & Iron Complex, this paper provides the velocity boundary condition of bottom-blowing gas bubble formation, the thermal balance condition of mushroom formation on the tuyere head, and the theoretical calculation formula for bottom-blowing gas pressure.
     根据文献和宝钢LD—CB复合吹炼生产实绩,给出了底吹气泡形成气流速度限界条件、风口前端形成蘑菇的热平衡条件和底吹气体压力的理论计算式。
短句来源
  combined blowing oxygen
     Metallurgical Effect of 80 t Combined Blowing Oxygen Converter
     80t顶底复合吹炼转炉的冶金效果
短句来源
     The metallurgical effects of 80 t top blowing and combined blowing oxygen converters at Baotou Iron and Steel Co have been investigated.
     对比了包头钢铁 (集团 )公司炼钢厂 80 t顶底复合吹炼转炉和顶吹氧气转炉的冶金效果。
短句来源
     The content and temperature of molten metal are homogeneous, and smelting process is stable for combined blowing oxygen converter.
     采用顶底复合吹炼工艺后 ,不仅钢水成分和温度更均匀、吹炼更平稳、而且钢水终点残余锰含量提高。
短句来源
  “复合吹炼”译为未确定词的双语例句
     Top bottom Blowing Converter Technology and Process
     顶底复合吹炼转炉工艺技术
短句来源
     EXPERIMENTAL DEVELOPMENT OF COAL-OXYGEN COMBINED BLOWINGSTEELMAKING PROCESS
     煤氧复合吹炼工艺的实验开发
短句来源
     STUDY ON CONVERTER COMBINED BLOWING TECHNIQUE WITH BOTTOM INJECTING OF CaCO_3
     底吹CaCO_3粉剂转炉复合吹炼法的研究
短句来源
     It is obtained that with simulating converter combined blowing test, the [Cr] could increase from 0% to 13% within 45 minutes.
     由模拟转炉复合吹炼试验 ,在 45min内可使 [Cr]从零增至 13%
短句来源
     The result of hot trial on converter combined blowing with bottom injecting of CaCO_3, shows that bottom injecting of CaCo_3 provides a new gas source for bottom stirring, so it is a better process with which powder injection is incorporated into converter combined blowing technique.
     底吹CaCO_3粉剂转炉复合吹炼热态试验的结果证明:转炉底吹CaCO_3粉剂,作为复吹新气源,是复吹和喷射冶金工艺相结合的一种较好的复吹方法。
短句来源
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  combined blowing oxygen
No special desulphurization treatment was carried out in steel melt produced in combined blowing oxygen converter process.
      


Ar-O_2 combination blowing process is a refining process of stainless steel melting.Which isproposed according to the gas dilution decarburization principle.Theoretical study has pointed outthat the thermodynamic and kinetic conditions in this process are similar to that of AOD process. On the basis of simulative tests,some heats with 6t capacity have been performed on a pro-ductive scale.The results show that gas dilution steelmaking process with argon bottom bubblingand oxygen top blowing is feasible.During...

Ar-O_2 combination blowing process is a refining process of stainless steel melting.Which isproposed according to the gas dilution decarburization principle.Theoretical study has pointed outthat the thermodynamic and kinetic conditions in this process are similar to that of AOD process. On the basis of simulative tests,some heats with 6t capacity have been performed on a pro-ductive scale.The results show that gas dilution steelmaking process with argon bottom bubblingand oxygen top blowing is feasible.During the blowing process for low-carbon cast stainless steel(ZG0Cr13Ni6Mo) by using 100% return scrap,both main technological parameters such as melttemperature,argon flow rate,oxygen flow rate and blowing depth etc.and percentages of variouselements with the exception of element Mn have a good controllability at all.The chromium yieldamounts to 87.3~95.5% during the blowing.The quality examination shows that the cleanliness ofthe steel is ideal,and its mechanical properties are better than that of specifications.In compar-ison with conventional EF process,the total melting timeland the EF period are shortened by about40% and 50%,respectively.Finally,the cost of molten steel,including raw materials and consu-mption only,is reduced by 62~77%.

Ar-O_2复合吹炼法,是根据气体稀释脱碳原理提出的不锈钢炉外精炼法。理论研究的结果表明,它具有与AOD法相似的热力学和动力学条件。在模拟试验的基础上,进行了容量为6t的生产性试验。结果表明,底吹氩、顶吹氧的气体稀释炼钢法,在实际生产中是可行的。在以100%返回废钢为原料的ZG0Cr13Ni6Mo低碳不锈铸钢的冶炼过程中,钢液温度、氩气流量、氧气流量、吹入深度等主要工艺参数,以及除Mn以外的各元素的成分,均具有良好的可控性,整个吹炼过程中的铬的回收率在87.3~95.5之间。质量检查的结果表明,钢的纯净度良好,各项机械性能超过标准值。与常规电炉法冶炼过程相比较,总的冶炼时间缩短了约40%,其中占用电炉时间缩短了约50%。钢水成本(仅计材料消耗费用)降低了62~77%。

During last twenty years,in west Germany mainly top oxygen blowing converter and electricarc furnace processes have been developed.The output of oxygen blowing process product accountsfor75-80%,and electric arc furnace product 20-25% of total amount of crude steel.TBM is widely usedfor large converters and good results have been obtained.For pretreatment of hot metal,two methodsare used:in torpedo car for rough desulphurization,in open ladle for final desulphurization.Ladlemetallurgy(Ar_2gas bubbling,TN tretment,degassing...

During last twenty years,in west Germany mainly top oxygen blowing converter and electricarc furnace processes have been developed.The output of oxygen blowing process product accountsfor75-80%,and electric arc furnace product 20-25% of total amount of crude steel.TBM is widely usedfor large converters and good results have been obtained.For pretreatment of hot metal,two methodsare used:in torpedo car for rough desulphurization,in open ladle for final desulphurization.Ladlemetallurgy(Ar_2gas bubbling,TN tretment,degassing of liquid steel)has been developed rapidly,andit is very effective for improving the quality of product.Concast technique has been developed fur-ther.Cast under protective slag is used commonly.Cast efficiency and slab quality are improved co-ntinuously.The hot charge of concast slabs and direct hot rolling technique are developing too.

近二十年来,西德主要发展氧气顶吹转炉和电炉两种炼钢方法。氧气转炉钢占粗钢总产量75~80%,电炉钢占20~25%。复合吹炼法(TBM法)在大型转炉上广为采用,效果良好。铁水脱硫包括铁水运输罐中的粗脱硫和铁水罐中的精脱硫两种方法。钢包冶金(吹氩、TN处理和钢水的脱气处理)发展迅速,对提高产品质量的作用十分明显。连铸技术进一步发展,保护浇铸措施普遍采用,铸机效率和铸坯质量不断提高。连铸坯直接热送或热轧技术也在发展。

According to the literature and practice of LD-CB combined-blowing process at Baoshan Steel & Iron Complex, this paper provides the velocity boundary condition of bottom-blowing gas bubble formation, the thermal balance condition of mushroom formation on the tuyere head, and the theoretical calculation formula for bottom-blowing gas pressure.

根据文献和宝钢LD—CB复合吹炼生产实绩,给出了底吹气泡形成气流速度限界条件、风口前端形成蘑菇的热平衡条件和底吹气体压力的理论计算式。

 
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