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首页> 外文会议>JAERI-Review 2004-026; HTTR Workshop (Workshop on Hydrogen Production Technology); 20040705-06; Oarai(JP) >Valuation of the Safety Concept of the Combined Nuclear/Chemical Complex for Hydrogen Production with HTTR
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Valuation of the Safety Concept of the Combined Nuclear/Chemical Complex for Hydrogen Production with HTTR

机译：HTTR制氢的核/化学联合生产基地安全概念的评估

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摘要

The High-Temperature Engineering Test Reactor (HTTR) in Oarai, Japan, will be worldwide the first plant to demonstrate the production of hydrogen by applying the steam reforming process as one of the most promising candidates and using nuclear process heat as primary energy. Particular safety aspects for such a combined nuclear/chemical complex have to be investigated to further detail. One of these special aspects is the fire and explosion hazard associated with the presence of flammable gases including a large LNG storage tank in close vicinity to the reactor building. A special focus is laid upon the conceivable development of a detonation pressure wave and its damaging effect on the reactor building. A literature study has shown that methane is a comparatively slow reacting gas and that a methane vapor cloud in the open atmosphere or partially obstructed areas is highly unlikely to result in a detonation if inadvertently released and ignited. Various theoretical assessments and experimental studies, which have been conducted in the past and which are of significance for the HTTR-steam reforming system, include the spreading and combustion behavior of cryogenic liquids and flammable gas mixtures providing the basis of a comprehensive safety analysis of the combined nuclear/chemical facility.
机译：位于日本大洗的高温工程测试反应堆（HTTR）将成为全球首家通过将蒸汽重整工艺作为最有希望的候选者之一并利用核过程热作为主要能源来演示氢生产的工厂。这种组合的核/化学联合体的特殊安全方面必须进一步研究。这些特殊方面之一是与易燃气体有关的火灾和爆炸危险，其中包括靠近反应堆建筑物的大型LNG储罐。特别关注的是爆炸压力波的可能发展及其对反应堆建筑物的破坏作用。一项文献研究表明，甲烷是一种反应速度相对较慢的气体，如果在不经意释放和点燃的情况下，在露天环境或部分受阻区域中的甲烷蒸气云极不可能导致爆炸。过去进行的各种理论评估和实验研究对HTTR蒸汽重整系统具有重要意义，其中包括低温液体和可燃气体混合物的扩散和燃烧行为，为全面分析安全性提供了基础。核/化学联合设施。

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