首页> 外国专利> FURNACE BOTTOM TUYERE SAFETY EVALUATION METHOD FOR BOTTOM BLOWING CONVERTER, FURNACE BOTTOM TUYERE SERVICE LIFE EXTENSION METHOD AND OPERATION METHOD OF BOTTOM BLOWING CONVERTER

FURNACE BOTTOM TUYERE SAFETY EVALUATION METHOD FOR BOTTOM BLOWING CONVERTER, FURNACE BOTTOM TUYERE SERVICE LIFE EXTENSION METHOD AND OPERATION METHOD OF BOTTOM BLOWING CONVERTER

机译:底吹转炉的炉底风口安全性评价方法,炉底吹口寿命的延长方法和底吹炉的操作方法

摘要

PROBLEM TO BE SOLVED: To evaluate safety in a furnace bottom tuyere of a bottom blowing converter in a short time period and accurately.SOLUTION: There is provided a furnace bottom tuyere safety evaluation method of a bottom blowing converter 1 comprising furnace bottom tuyeres 4 having a double pipe structure of an inner pipe blowing refining oxygen gas and an outer pipe blowing cooling propane gas, which comprises a photographing step of taking photographs of the plurality of furnace bottom tuyeres with a camera 9 comprising an optical element after completion of discharging residue from the bottom blowing converter, a mushroom detecting step of detecting mushrooms 10 formed on each of the furnace bottom tuyeres from furnace bottom image including the plurality of furnace bottom tuyeres photographed in the photographing step, an area calculation step of calculating area of each mushroom detected in the detection step, an area comparison step of comparing the mushroom area calculated in the area calculation step with a predetermined reference area so as to carried out comparison whether the calculated mushroom area is within the reference area, and a tuyere safety determination step of determining that the furnace bottom tuyeres are safety based on the result in the area comparison step.SELECTED DRAWING: Figure 1
机译:解决的问题:为了在短时间内准确地评估底部吹气转换器的炉底风口的安全性。解决方案:提供了一种底部吹气转换器1的炉底风口安全性评估方法,该方法包括具有以下特征的炉底风口4:内管吹炼精制氧气和外管吹制冷却丙烷气的双管结构,其包括照相步骤,该照相步骤是在完成从中排出残留物之后,用具有光学元件的照相机9对多个炉底风口进行照相。底部吹气转换器,蘑菇检测步骤,从包括在拍摄步骤中拍摄的多个炉底部风口的炉底图像中检测形成在每个炉底部风口上的蘑菇10,面积计算步骤,计算在步骤S中检测到的每个蘑菇的面积。检测步骤,面积比较步骤,比较算出的蘑菇面积在具有预定参考面积的面积计算步骤中进行比较,以比较计算出的蘑菇面积是否在参考面积之内,并且根据面积比较的结果确定炉底风口是否安全的风口安全性确定步骤。 step.SELECTED DRAWING:图1

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