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Ventilation and exhaust purification of motor vehicle tunnels in Japan

机译:日本机动车隧道的通风和排气净化

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Japan is a mountainous country with an extensive road network. Japan was the first country in the world to use tunnel electrostatic precipitators ('ESPs') to remove suspended particle matter ('SPM') from tunnel air to maintain tunnel visibility.rnOver the last 30 years the use of ESPs in Japanese road tunnels has become more common. Over the last decade there has been increased use of ESPs in urban tunnels to remove SPM for external air quality purposes. The use of ESPs in tunnels for external environmental purposes has allowed ESPs to be installed in tunnel ventilation buildings. Over the last few years efficiencies in SPM removal have also allowed the development of technology to remove nitrogen dioxide (NO_2) by a range of NO_2 removal technologies.rnThis paper explores the history of the ventilation and exhaust treatments for road tunnels in Japan and explores why ESPs and/or denitrification systems are introduced into tunnels in Japan. Relevant standards and specifications are also referred to.
机译:日本是一个拥有广阔道路网络的山区国家。日本是世界上第一个使用隧道静电除尘器('ESP')去除隧道空气中悬浮颗粒物('SPM')来维持隧道可见性的国家。在过去的30年中,日本在公路隧道中使用ESP变得更加普遍。在过去的十年中,出于外部空气质量的目的,在城市隧道中越来越多地使用ESP去除SPM。 ESP在隧道中用于外部环境的目的使ESP可以安装在隧道通风建筑物中。在过去的几年中,高效的SPM去除技术也使得通过一系列NO_2去除技术去除二氧化氮(NO_2)的技术得以发展。rn本文探讨了日本公路隧道通风和排气处理的历史,并探讨了为什么在日本,ESP和/或反硝化系统被引入隧道。还参考了相关的标准和规范。

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