冶炼炉

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。

The preventive measures for the harmful defects of alkali metals are as follows: 1, reducing the alkali metals content in the raw materials; 2, increasing the MgO content of the sinter , decreasing the basicity of slag , decreasing the Si content of the pig iron, increasing relative slag volume; 3 , introducing prereduced ore pellets or partly reducted sinter; 4increasing the ability of coke resisting alkali metals; 5, using refractories that have the ability of resisting corrasion of alkali metals; 6 , cleaning the blast furnace periodically. The above recommendations are necessary for decreasing the circulation and accumulation of alkali metals effectively in blast furnace, reducing the harmful influence of alkali metals on blast furnace, increasing the smelting intensity, decreasing the coke rate, improving the gas permeability.

基于碱金属对高炉冶炼的上述危害，本文结合湘钢高炉的实际生产情况，通过理论分析、计算以及其他钢厂防治碱害的经验，提出防治高炉碱害的措施：1、减少入炉原、燃料的碱金属含量；2、提高烧结矿中的MgO含量、降低炉渣碱度、降低生铁含硅量、适当增加渣量；3、采用预还原的金属化球团或部分还原的烧结矿；4、提高焦炭的抗碱能力；5采用抗碱侵蚀的耐火材料；6、周期性性洗炉，以有效地减少碱金属在高炉内的循环富集，降低碱金属对高炉的危害，提高高炉的冶炼强度，降低焦比，改善高炉透气性。

After having compared the cupola furnace with electric arc furnace on the characteristics of the process of producing spheroidal graphite cast iron steel ingot module and their application effects, the results show that it will prolong the life of steel ingot module and improve the quality of steel ingot by applying arc furnace to melt spheroidal graphite cast iron steel ingot module.

电弧炉技术在球墨铸铁钢锭模生产上的应用赵海兵任元和李梅曹志张涛摘要将冲天炉和电弧炉这两种生产球墨铸铁钢锭模的工艺特点及应用效果进行对比，结果表明，采用电弧炉冶炼球墨铸铁钢锭模能够提高钢锭模使用寿命，改善钢锭质量。关键词球墨铸铁模耗A

Coke properties has been studied by high temperature SiC oven、infrared gas analyzer and X-ray diffraction. First set forward the relationship between UPC and coke reactivity, strength, fine coke and coke graphitization, and creatively find the graphitization degree of coke tends to 100% when temp. reaches to 1350℃ UPC is profitableness to coke properties;②The effect of UPC on liquid slag distribution and flow functions in experiment oven has been studied by mathematics simulation The effect of UPC on taking shape and dropping of high titanium-bearing B. F. slag has been studied by using high temp. oven simulation cohesive zone and dropping zone of blast furnace.

为了弄清楚这部分UPC对高炉冶炼钒钛磁铁矿过程的影响，①在实验室利用高温SiC炉、红外线气体分析仪、X—射线衍射仪等进行了一系列UPC对焦炭性能及石墨化度的影响研究，提出了UPC与焦炭反应性、抗压强度、粉化性能及焦炭石墨化度之间的关系，创造性的发现高炉内1350℃以上，焦炭的石墨化度已达100％，UPC对焦炭性能的影响有益而无一害；②采用数学模拟方式研究了UPC对实验炉内液态渣分布及流函数的影响，并利用高温熔滴炉模拟高炉软熔带、滴落带研究UPC对高钛渣滴落性能的影响，采用旋转式粘度计测定滴落渣性能并通过高倍矿相显微镜观察了滴落渣的矿物结构。

Over the years, most commonly used by small businesses Tufa Secondary Lead Smelting, using the backward small reverberatory furnace, cupola melting process such as the lack of a corresponding dismantling, pre-processing, smelting equipment, plates, and pulp mixing, lead the general recovery of only 80%~ 85%, the low level of utilization.

最常用的土法再生铅冶炼小企业，用落后的小反射炉，冲天炉熔化过程，如相应的拆除，预加工，冶炼设备，板，纸浆混合缺乏，领导只有80％85％，使用率低的水平普遍复苏。

On 100t BOF-130t LF of Handan NO.3 steel works,with LF refining technology alone,for heavy desulfurization mission and long refining cyclic,the phenomenon of increasing silicium and carbon is much serious on refining low carbon steel specially the cold-rolling low carbon steel.The results impact the products'final performance and percent of pass.

单独采用LF精炼工艺，脱硫任务重，精炼周期长，冶炼低碳钢，特别是冶炼冷轧低碳钢时，LF炉在脱硫的同时，增硅增碳的现象较严重，影响了产品的最终性能和合格率。

It probes into factors affecting decarbonizing inside and outside 6MVA submerged electric furnace in the whole smelting SiCr process,sums up rational process standard to ensure quality of silicochromium product and to guide the practice.

对6MVA矿热炉在生产硅铬合金冶炼操作全过程中影响炉内脱碳和炉外脱碳等因素进行了探讨，总结出确保硅铬合金产品质量的比较合理的工艺规范，以此来指导实践。

The paper presents the performance of smelting process of copper scraps by imported Kaldo furnace on the basis of 300 kt/a copper production in Guixi Copper Smelter,JCC as well as advantages and disadvantages of such Kaldo furnace type for treating scraps.

介绍江铜贵冶年产30万t铜冶炼项目引进卡尔多炉处理废杂铜冶炼工艺的情况，并介绍了卡尔多炉这种炉型处理废杂铜的优缺点。

We have 30t LF refine ladle, are furnace, electric induction furnace, cupola and other melting equipment Furthermore, we have several resin-sand productive facilities and possess RT, UT and other non-destructive test capabilities of casting.

公司现有员工670余人，公司拥有30吨LF精炼炉、电弧炉、中频炉、等冶炼设备以及树脂砂生产线，具有RT、超声波探伤等无损检测能力。

Has designed the smelting magnesium stove and the steel rolling heating furnace, the trolley type heat-treatment furnace, the gasification project and vents one's anger a generation of oil by the coal successively, the mailgram project technology and the hot dirty coal vents one's anger the craft automation control technology, developed the multi-skill regeneration burner, the dining trash solid drying stove, the methane heat energy industry use technology.

先后设计了冶炼镁炉及轧钢加热炉、台车式热处理炉、煤气化工程及以煤制气代油、代电工程技术及热脏煤制气工艺自动化控制技术，研制出了复合型蓄热燃烧器，餐饮垃圾固体物烘干炉，沼气热能的工业利用技术。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失