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编辑同志:贵刊1987年第4期“浮顶型储油罐固定消防喷淋冷却设施投资省效果好”一文中,有些论点与国标GBJ74—84不符,使用固定消防冷却系统既不经济也不合理。浮顶油罐是否需要安装固定消防喷淋冷却系统,要分析浮顶油罐特点及其安全性能。1.浮顶油罐的燃烧特性浮顶油罐的火灾大都发生在浮顶与罐壁之间的密封圈上的薄弱部位,一般先由密封圈处发生燃烧.若着火后30分钟内能及时灭火,就能达到安全目的。因此在不严密的环型密封圈上发生火灾,其火焰
Edit comrades: your magazine No. 4, 1987 “floating roof tank fixed fire sprinkler cooling investment in the province is effective ” article, some of the arguments inconsistent with the national standard GBJ74-84, the use of fixed fire cooling system is not economical It is not reasonable. Floating roof tank whether the need to install a fixed fire sprinkler cooling system, to analyze the characteristics of floating roof tank and its safety performance. 1. Floating roof tank combustion characteristics Floating roof tank fire occurred mostly in the floating roof and tank wall between the weak parts of the ring, the general first by the combustion occurred at the ring.If the fire within 30 minutes in time Fire, you can achieve safety goals. Therefore, the ring in the non-tight ring on the fire, the flame