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DOMESTIC LNG SUPPLY SYSTEM BY PRESSURE BUILD-UP TYPE LNG CARRIER

机译:增压式液化天然气运输车的国内液化天然气供应系统

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Presently, gas suppliers throughout Japan are advancing the replacement of conventional gas materials with natural gas and LNG is supplied to small-scale gas suppliers by tank lorries or railway containers. However, a more efficient means of LNG transportation has been demanded by medium-scale gas suppliers (whose annual consumption is in between approximately 30,000 and 300,000 tons) located far from LNG import terminals. rnRecently, Nippon Steel Corporation has realized a LNG secondary transportation system by small-size coastal vessels for the first time in Japan. In this system, pressure build-up type LNG carrier “Shinju Maru No.1” built by Kawasaki Shipbuilding Corporation is utilized for LNG supply to places of consumption that are approximately 200 nautical miles away from LNG receiving terminals for oceangoing LNG carriers. The establishment of this secondary transportation system has enabled the LNG supply to small and medium-scale LNG consumers with more reasonable price than before. rnThis report describes the outline of the LNG secondary transportation system along with the outline of the pressure build-up type domestic LNG carriers with the following items: (1) System Concept, (2) Cargo operation, and (3) Results of comparison between design estimation and measured data on actual vessel. Expansion of domestic secondary transportation service to many more consumers will be expected in the future, because the system is suitable to the characteristics of LNG consumption in Japan, where places of consumption are mainly located along coastal areas.
机译:目前,日本各地的天然气供应商都在推动用天然气替代常规天然气材料,而液化天然气则通过罐车或铁路集装箱供应给小型天然气供应商。但是,远离LNG进口站的中型天然气供应商(其年消费量在30,000到300,000吨之间)需要一种更有效的LNG运输方式。最近,新日铁公司在日本首次实现了由小型沿海船只实现的液化天然气二次运输系统。在该系统中,由川崎造船株式会社制造的压力堆积型液化天然气运输船“ Shinju Maru No.1”被用于向远洋液化天然气运输船的液化天然气接收站约200海里的消耗场所供应液化天然气。这种二次运输系统的建立使液化天然气向中小型液化天然气消费者的供应比以前更加合理。 rn本报告介绍了液化天然气二次运输系统的概况以及压力增强型家用液化天然气运输船的概况,并包括以下内容:(1)系统概念,(2)货物运营以及(3)之间的比较结果实际船只的设计估算和实测数据。由于该系统适合于日本的LNG消费特征,而日本的LNG消费场所主要位于沿海地区,因此,将来有望将国内二次运输服务扩展到更多的消费者。

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