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过去的二十五年间,在芬兰、挪威、瑞典三个北欧国家里,大约有200个石油产品的贮库在地下无衬彻的岩石洞内成功地建成,估计总贮藏量在3000～4000万立方米之间。修建地下油库的原则包括四个基本条件:1.有可能利用的岩石;2.有适宜的地下水;3.油类产品的比重较水的比重小4.油类产品不溶解于水。油类产品的种类不同,贮藏的原理又略有不同。如煤油、汽油、轻油、重油(柴油)等油制品,通常在大气压力作用下贮藏。这是用以下的方法来实现的:1.岩洞直接开挖在最低地下水位以下一定的位置 (图1)
Over the past 25 years, in Finland, Norway, Sweden, three Nordic countries, about 200 petroleum products storage in the underground linerless rock cave successfully completed with an estimated total storage of 3000 ~ 40 million Between cubic meters. There are four basic conditions for the construction of an underground oil depot: 1. Rocks that are likely to be utilized; 2. Suitable groundwater; 3. The proportion of oil products that is smaller than that of water 4. Oil products do not dissolve in water. Different types of oil products, storage principle is slightly different. Oil products such as kerosene, gasoline, light oil, heavy oil (diesel) are usually stored under atmospheric pressure. This is accomplished in the following ways: 1. Caves are directly excavated below a minimum groundwater level (Figure 1)