Development of small-scale LNG lnground storage tank for satellite station.
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概要
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A small-scale 650kl LNG inground storage tank was completed at an LNG satellite station of Tokyo Gas located in a densely populated area and is now in successful operation. This is the world's smallest inground storage tank newly development in pursuit of extensive safety, environmental acceptability and effective use of land area for the satellite. This tank was designed on basis of the techniques of large-scale LNG inground storage tanks constructed so far and we made further improvements to apply to small-scale tank. these improvements include:I) Adopting high-reliable concrete body, whose side wall is integrated with thick bottom slab, constructed by normal concrete lining method under open cut with retaining wall.II) Utilizing soil mixing wall as retaining wall.III) Adopting extremely simplified bottom heater system.IV) Adopting new type roof structure with insulation directly lined inside.In addition to these, we incorporated various reasonable structures and construction methods making the best use of small-scale features.
- 一般社団法人 日本高圧力技術協会の論文