混合煤气管内的自燃现象及安全对策

• 作 者: 王旭
• 机 构: 新余钢铁厂,
• 出 处: 工业安全与防尘
• 发表日期: 1987年12期
• 关键词: 自燃现象 混合煤气 煤气放散管 动火作业 吹扫 中板 开孔 焦炉煤气 加热炉 动力系统

一、自燃现象1986年9月9日,新钢φ1000毫米混合煤气管上进行接管动火作业前,厂动力系统按规定切气,并用空气置换煤气。上午9时30分左右,吹扫进入末期时,与混合煤气总管连通的中板分厂食堂煤气放散管冒出大量有刺鼻气味的白烟,管道外部的防腐沥青亦被烧熔。经开孔检查,发现管内有不少红色的氧化铁。

First, the phenomenon of spontaneous combustion September 9, 1986, the new steel φ1000 mm hybrid gas pipe to take over before the fire operation, the factory power system according to the provisions of the cut gas, and replace the gas with air. At about 9:30 am, when the purge entered the final stage, a large amount of white smoke with pungent odor appeared on the gas discharge pipe of the canteen in the middle plate factory connected with the mixed gas mains. The anti-corrosion asphalt outside the pipe was also burned. The hole inspection and found that there are many tubes of red iron oxide.