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1995年8月7日下午3时,我市某造纸厂1号蒸球在运行中发生了爆炸,二层钢筋混凝土厂房被炸成废墟,蒸球飞离原位置16m远,加料盖落至蒸球原位置的斜下方,造成1人死亡,2人重伤,直接经济损失25万元。该蒸球系1990年出厂,1990年10月安装并投用。主体材质为20g,容积为25m~3,设计压力为0.8MPa,爆炸前使用压力为0.75MPa,采用亚硫酸铵法蒸煮,断断续续使用,合计使用时间为2年半。自投用以来未进行过内外部检验。事故发生后,我们对蒸球进行了内外部检验,发现
At 3 o’clock on the afternoon of August 7, 1995, No. 1 steaming ball of a paper mill in our city exploded during operation. The second-floor reinforced concrete workshop was blown into ruins, the steam ball flew away from the original position of 16m and the feeding cap fell to steam Diagonally below the original location of the ball, resulting in 1 death, 2 seriously injured, the direct economic loss of 250,000 yuan. The steam ball system factory in 1990, installed and put into use in October 1990. The main material is 20g, the volume is 25m ~ 3, the design pressure is 0.8MPa, the pressure before explosion is 0.75MPa, using ammonium sulfite cooking, intermittent use, the total use of time is 2 years and a half. Since the vote has not been carried out internal and external inspection. After the accident, we conducted internal and external tests on the steamed balls and found that