The flow field in liquid Wood's metal with centric gas bottom-blowing was predicted by a mathematical model.
本文用数学模型法预报了中心底吹气体搅拌的液态伍德合金流场。
The critical value of liquid steel drawing slag is calculated out according to the relation between the bottom-blowing gas quantity of ladle and flowing speed on interface between molten steel and slag.
根据钢包底吹气量与钢渣界面流速的关系计算出钢水卷渣的临界值,按照相似原理用混合油模拟渣层、水模拟钢水进行水模试验,考察了吹气量、单双孔底吹透气砖对钢水卷渣行为的影响,单孔吹气量小于450L/min、双孔吹气量小于400L/min可避免卷渣。
Realization of control programs of bottom blowing for No.1 converter in Baogang;
包钢1#转炉底吹控制程序的实现
Reform of computer controlling system of converter bottom blowing;
转炉底吹计算机控制系统的改造
The design and application of an automatic control system for the bottom blowing of a combined top-bottom blown converter;
基于PLC和IPC的长寿复吹转炉底吹自动控制系统设计与应用
In the present study,a water model of slag ladle was used with a photographic technique to determine the effect of viscosity and bottom stirring gas flow rate on surface spout characteristics of the solution.
通过摄像法测定了粘度、气体流量对底吹渣罐水模型表面突起高度和宽度的影响。
Over all and free surface gas liquid volumetric mass transfer coefficient in water model which is 1∶7 scale of 30 t bottom stirring EAF is determined from the relations of pH value and CO 2 content.
根据溶液的ｐＨ值与ＣＯ２溶解量间的关系，测定了３０ｔ底吹电弧炉１∶７水模型中溶液的气液总综合传质系数（ｋＬＡ）与液体表面的气液综合传质系数（ｋＬＡ）Ｓ，由此计算了气泡区综合传质系数（ｋＬＡ）Ｂ。
Practice on bottom argon bubbling for 80t ladle with single permeable bricks;
80t钢包底吹氩提高吹成率的生产实践
Factors influencing the hit rate of ladle bottom argon bubbling are analyzed,including the anti-molten steel permeate function of the permeable brick,the anti-flag permeate function of the permeable brick,hot earthquake of the permeable brick,the tidying up and maintenance of the brick,the piping of the bottom blow,tapping operation,argon source pressure and the temperature drop of ladle.
分析了影响钢包底吹氩成功率的各种因素,包括透气砖的抗钢水渗透性能、抗熔渣渗透性能、透气砖抗热震性、钢包透气砖的清理维护、底吹管道、转炉出钢操作、氩气源压力以及大钢包温降大等因素,提出了相应改进措施。
The bottom blowing solution was put forward to solve the temperature accumulation in the plasma heating zone in a six-strand tundish.
针对宝钢六流连铸中间包等离子加热区域温度积聚严重的现象,提出了底吹气的解决方法。
Through applying ladle argon-blowing technology by two gas supply bricks,the ladle bottom blowing rate is increased,the dead band of ladle argon bottom blowing is reduced,the composition and temperature of the molten steel are made more uniformity,and then the inclusions in steel and the composition segregation are dererased.
通过应用钢包双透气砖吹氩技术,提高了钢包底吹率,减少了钢包底吹氩死区,使钢水成分和温度更加均匀,并降低钢中夹杂、减少铸坯成分偏析,因而提高了钢水质量及轧材性能的稳定。