气化炉过烧部位材料劣化分析
Plant Maintenance Engineering（2019）
Abstract
某煤化工企业一台气化炉由于高温粗合成气窜入激冷室导致激冷室壳体发生严重过烧事故,经理化检验发现,过烧部位外壁及内壁金相组织出现晶粒粗大、组织异常、晶间裂纹等现象,硬度值和δ铁素体含量下降,材料发生严重劣化.
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