炉料

Arc furnace,it is put forward that an optimum heat distribution relationship exists between the reaction area and furnace charge area,in view of this,a simple smelting model of submerged?arc furnace is set up.

摘 要 从铁合金矿热炉内的等效电路及其热分布出发，提出冶炼过程中炉内反应区和炉料区之间存在着一个最佳的配热关系，由此而建立起铁合金矿热炉简单的熔炼模型。

In order to determine the influence of alkali metals on charge properties for new burdening,the reaction and distribution of alkali metals in Blast Furnace were presented.

为了解新配矿条件下碱金属对高炉炉料性能的影响，研究了碱金属在高炉内的反应及分配。

This method can exactly determine calcium fluoride in the calcium cyanamide charging.

该方法可以准确测定出氰氨化钙炉料中氟化钙的含量。

Calcium fluoride content in calcium cyanamide charging is determined by a fluoride ion selective electrode method, and its conditions and applications are tested.

采用氟离子选择电极法测定氰氨化钙炉料中氟化钙的含量，进行了条件和应用试验。

Key technical/technological parameters include specific core surface load, formulation and particle size of charge, decomposition volume etc were optimized through a large number of experiments.

还通过大量实验优化了多炉芯加热技术的单位炉芯表面负荷、炉料配方、原料粒度与分解量大小等关键工艺参数，并研究了在不同技术／工艺参数条件下的产品的特点、化学纯度和结晶状况。

Using predecessor's experiences,also taking account of Coriolis force and three directional coal gas flow,the trajectory mathematical model of burden flow is built.

在总结前人料流轨迹计算模型的基础上，考虑了科氏力及三个方向煤气曳力对炉料运动的影响，建立了料流轨迹数学模型。

In order to recovering remained vanadium from high vanadium ferrovanadium bearing high A12O3 with electric -silicothermic process, transforming slag conposition with adjusting material in furnace charge can recover vanadium economically and can produce self-willed ferrovanadium bearing high silicon and low vanadiu

利用电硅热法提取含高Al_2O_3成分的高钒铁炉渣中残钒，在炉料中配入调渣物料改造渣型后，能较经济地提取出钒元素，生产自用高硅低钒铁。

The composite of magnesite with NaNO〓 is the best for producing the SHS fettling materials.

对于制作SHS补炉料来讲，选择菱镁矿与硝酸钠作复合供氧剂效果最好。

The high temperature metallurgical properties of several burdens for Anyang steel were investigated. The results showed that RIof high basicity sinters was better than others, but the RDI(low temperature reduction degradation index) of it was the highest; the RDI and molten dripping property of pellets and lump ores were well, so we can get rational burden structure by combining sinters for blast furnace.

系统分析了安钢炼铁生产中几种常用炉料的高温冶金性能，结果表明，安钢自产高碱度烧结矿具有较好的还原性，但其低温还原粉化率却是最高的；酸性球团矿及块矿则有着较好的低温还原粉化指数及良好的熔滴性能，能够与高碱度烧结矿搭配形成合理的综合炉料结构，满足高炉冶炼要求。

By controling the process of filling cross-tie well,determining reasonal structure of burden,controling time of filling,process of filling,intensity of burden strictly and choosing suitable compression ratio ,the time of filling was shortened and the precision of filling was raised.

济钢1750m3高炉采用枕木开炉方式，通过控制枕木填充过程，确定合理的开炉料结构，严格控制装料时间和装料过程及炉料强度，选择合适的压缩率，缩短了装料时间，提高了装料的精度，完成了各项布料测试项目，为高炉送风点火一次成功、顺利出铁提供了保障。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。