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针对当前被广泛使用的通过罐内油位变化和感官查库对油罐底板进行实时监漏的方法存在的弊端,提出了油罐底板实时监漏的新方法,即油罐基础内钻孔油气体积分数监漏法。介绍了油罐底板实时监漏方法的探漏原理:在油罐基础上按每9m(弧长)钻取一个直达砂垫层的探漏孔,使用高灵敏度的油气含量检测仪探测到油气,可判断罐底是否发生渗漏。以实例阐述了操作步骤和现场应用情况,证明了其有效性,详述了其技术要求。基于现场实验数据,提出了汽油油罐的判漏标准,可为今后油库的扩容和改造提供借鉴。
Aiming at the shortcomings of the widely used method of real-time monitoring leakage of oil tank floor through the change of oil level inside the tank and the sensory inspection, a new method of real-time monitoring of oil tank floor is put forward, that is, Volume fractional leakage monitoring method. This paper introduces the principle of leak detection of the real-time leakage monitoring method of oil tank floor: drills a seepage leakage hole directly to the sand cushion every 9 meters (arc length) on the basis of the oil tank, detects oil and gas by using a high sensitivity oil-gas content detector, Can judge whether the tank bottom leakage. An example is given to illustrate the operation steps and the application in the field, which proves its effectiveness and details its technical requirements. Based on the field experimental data, the criterion for judging leakage of gasoline tank is proposed, which can provide reference for the expansion and reconstruction of oil tanker in the future.