1) combined blowing
复吹
1.
Present Situation and Development of 300t Combined Blowing Converter at Baosteel;
宝钢300t转炉复吹现状与发展
2.
Metallurgical effect analysis of 80t combined blowing converter at Baotou Steel;
包钢80t复吹转炉冶金效果分析
3.
This paper describes the effect of dephosphorization in the condition of combined blowing for 120 t converter.
论述了120 t转炉在复吹条件下的脱磷效果,讨论了复吹前后终点w(P)、w(FeO)和炉渣碱度对脱磷反应的影响,从热力学角度分析了复吹前后脱磷效果的差异。
2) combined-blowing
复吹
1.
In this paper,the couse of the combined-blowing technological development about the steelmaking converter of PZH Steel is introduced,and the combined-blowing problems about the 120t steelmaking converter of PZH Steel are analyzed,the direction and countermeasure are put forward about improving the use life-span of gas supply brick and ameliorating the combined-blowing system.
介绍了攀钢炼钢转炉复吹技术的发展历程,并对攀钢120吨炼钢转炉复吹存在的问题进行分析,提出了提高透气砖使用寿命及复吹系统改进的方向和对策。
2.
It has been verified in practice that in order to keep the best metallurgical effect of bottom-blowing in the whole campaign of combined-blowing converter,it is very important to flexibly adjust the gas supply parameters and guarantee the permeability of bottom blowing elements.
研究与实践证明,为确保复吹转炉底部供气在整个炉役过程中的最佳冶炼效果,可灵活调整底部供气参数,保证底吹供气元件透气性非常重要。
3.
Through the analysis of the limiting steps of influencing the tuyeres life from bottom-blowing craft to controlling the bottom of convener, elaborating the method of controlling the tuyeres life which assurance the metallurgy effect of combined-blowing convener.
由于复吹转炉具有吹炼速度快、反应平稳的特点,所以得到了广泛的使用。
3) combined blown
复吹
1.
The fluid flow mathematic models in converter combined blown are set up.
建立了描述复吹转炉熔池内流体流动的数学模型,采用PHOENICS(Parabolic Hyperbolic orE lliptic Numerical Integration Codes Series)商用软件模拟计算。
4) long service life complex bolwing
长寿复吹
5) combined blowing process
复吹工艺
6) combined blowing converter
复吹转炉
1.
Water-Oil Model for Volumetric Mass Transfer Coefficient between Slag and Metal in Combined Blowing Converter;
复吹转炉钢-渣间容量传质系数的水-油模型
2.
Process of smelting low phosphorus steel in combined blowing converter
复吹转炉冶炼低磷钢工艺
3.
Based on the mechanism analysis of steelmaking process in combined blowing converter,a kinetic model to describe the process was developed with the aid of thermodynamics,macrokinetics,transfer theory and reaction engineering.
在分析复吹转炉冶炼过程机理的基础上,应用冶金热力学、动力学、传输原理和反应工程学理论,建立了描述冶炼过程的动力学模型,确定了模型的有关参数。
补充资料：顶底复吹转炉炼钢
顶底复吹转炉炼钢
combined blown converter steelmaking process
吹供气元件，用三块耐火砖并排构成两条狭缝，周围用时，还可将外层一圈微管和内层微管分开，用两个集气钢板包起以免气体外泄。图9为LBE法所用A、B两箱与之相连，使内层和外层分别通入不同气体。种型式的底吹供气元件，也属于狭缝式‘ 一、 闭供气元件在炉底上的布置原则上应将底吹供气 图8狭缝式供气元件元件布置在顶吹射流所造成的凹坑边缘地区，以促使 口旦二1.顶吹和底吹对熔池的搅拌相互叠加而不是彼此抵消。 一一匕‘习A型B型__、____.，._、，__、_、，_.…，_ 厂厂门‘’一一合适的位置可通过模型试验确定。图n为底吹供气元 }}1}叭l’tlV”、、祖.从l甲以浦件几种布置的示意图。 }}!l以卫且划卫翔贝二史』溯冶金反应特点底吹气体促进熔池搅拌，因而加 粉l}!{且{.速了冶金传质过程。这使得反应更快，而且更容易接近 ’}l!}/丁。余悬熹、、’_平衡。搅拌对冶金反应的影响可用碳选择氧化指标15- }!11/后耘”杯杯以舀摄石.eo(xndex。fseleetiveearbonoxidation)或碳氧供应 {l!I/盼潇撰撒偏藏尸瞬稀舞朔速率平衡指标BOC(Balance of Oxygen and Carbon 土上绒曰飞一一一一一脚续鱿乡嫩洲，“’”陈勘娇贫溯feeding rate)采评价。 !队一/尸钾.怜.翻尸“州巡润ZQ。一Q。- 一甲亨ISCO-二二丁-一下二二二共牛:(l)。曰厂丰m“.”“，I，tl川.“:.~~~一点一‘曰-一2Q0_+Qd(w/r) }认一土~{’一~.~一//’::哭~…一Qo- ’76沟稽“铜制气路BOC一而币苟节硫面(2) 、9 LBEa底吹供气元件卜黑撰高督鬓髯瓢瑟黑罗咒 (4)集束微管型供气元件。在制砖时将许多根细的和式(2)最右边的分数式表示供氧速率和供碳速率的低熔点金属丝或细不锈钢管埋在砖坯中。低熔点丝在焙烧时熔化。埋设不锈细管的尸一一月，一一斤一一出鱼面一--，一~-代二二丁一-‘-，砖不焙烧直接使用。这样在砖体中可形成}/卜圳蝉衬\1/}\}/\}卯.1一3.omm的大量微小管孔，成为向熔二.}/数;/八民l、【21、}东华又入/，、!耳抽池吹气的通路。在砖的底部设置一个集气一一ltes一-寸一‘一1-IT‘耳叮1万平‘丁爪二F万Z叮刁}箱，使各个气管通入的气流比较均匀，图10}气，一州一.‘丫J}\!~二亡，扣l/l丫午~0.4力了/.为集束微管供气元件的示意图。这种元件11卜~卜/12\卜巨了}3、、~ee洲产}的优点是管路阻力小，气流均匀，最大和最’--一小气量的调节范围可达10倍以上。在必要图H底吹供气元件在炉底上的布置方式究院(IRSID)的试验转炉上系统进行了顶底复吹转炉 炼钢的研究，证明底吹气体搅拌有利于使脱磷更接近 平衡。
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