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1 基本概况 1995年5月8日下午4时30分,我区某乙炔气厂2号高压乙炔干燥器突然发生爆炸,三间100m~2的厂房被摧毁,压缩工段的全部设备被砸坏,当班的4名女工一死三伤,直接经济损失25万元,全厂被迫停产。2 检验与分析 (1)立式干燥器下封头自环缝以下被撕裂为7块,裂口宽度为45～230mm,开裂处最小壁厚为7.9mm(原壁厚为10mm);断口有明显的45°剪切唇;内衬自容器内被推出约0.5m并裂开。容器内壁及断口由于燃烧而呈现碳黑;容器本体在距下环缝100mm处产生塑性变形,变形环带宽230mm,最大变形量20mm。与
1 Basic profile At 4:30 pm on May 8, 1995, a high-pressure acetylene desiccant on the 2nd acetylene gas plant in our district suddenly exploded, three 100m ~ 2 plants were destroyed, all the equipment in the compression section was smashed, On duty, four female workers died one after another three casualties, a direct economic loss of 250,000 yuan, the whole plant was forced to stop production. 2 test and analysis (1) vertical dryer lower head from the glitch was torn to 7, the width of the gap 45 ~ 230mm, crack minimum wall thickness of 7.9mm (the original wall thickness of 10mm); fracture with Clear 45 ° shear lip; liner lifted out about 0.5m from the container and ruptured. The inner wall of the container and the fracture appeared carbon black due to the combustion; the container body was plastically deformed 100 mm away from the lower annular seam, the deformation ring width was 230 mm and the maximum deformation was 20 mm. versus