油罐是盛装石油化工产品,半成品和原材料的主要设备。因为是易燃易爆物质,油罐的火灾,爆炸事故常有发生,它不仅火灾次数多而且损失大,伤亡重,破坏性大,所以,这是消防工作的重点保卫设备。据不完全统计,1954年至1981,在全国炼厂油罐区发生的较大的火灾事故中,按事故性质分,因违章用火占36.8%,因静电和碰 Oil tank is the main equipment for petrochemical products, semi-finished products and raw materials. Because it is a flammable and explosive material, tank fires and explosions often happen. Not only the number of fires but also the large number of fires, the heavy casualties and the devastating effects are large. Therefore, this is the key defense equipment for fire fighting work. According to incomplete statistics, from 1954 to 1981, in the larger fire accident in the national refinery tank farm area, due to the nature of the accident, 36.8% of the fire was caused by violation of regulations,