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首页> 外文期刊>Energy >Feasibility evaluation of large-scale underground hydrogen storage in bedded salt rocks of China: A case study in Jiangsu province
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Feasibility evaluation of large-scale underground hydrogen storage in bedded salt rocks of China: A case study in Jiangsu province

机译：中国层状盐岩中大规模地下储氢的可行性评价-以江苏省为例

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Taking Jiangsu province of China as an example, large-scale underground hydrogen storage (UHS) in salt caverns is proposed to realize peak shaving for wind power. A bedded salt rock, Jintan salt mine in Jiangsu, is selected as the potential site for UHS. And the feasibility of UHS in bedded salt rocks is evaluated. Firstly, the regional geological conditions of Jintan salt mine are analyzed. It shows that this mine has good stratigraphic trapping and meets the site-selection requirements for UHS. Then, a numerical simulation model is established to analyze the stability and applicability of the proposed UHS caverns. The tightness of the UHS salt caverns is also investigated. It is indicated that gas tightness can be favorable once the permeability of interlayers is around 10~18 m2 or lower. Finally, it is estimated that the salt caverns for 36.9 TWh-scale UHS of Jiangsu can be mainly provided by salt mine enterprises, but more attention should be paid to the usability of caverns during extraction. This study provides a feasible and economical solution for fulfilling the large-scale UHS in the Jiangsu, as well as for the regions that are rich in both renewable energy and salt resources.
机译：以中国江苏省为例，提出了在盐洞中进行大规模地下储氢（UHS）以实现风能削峰的方法。层状盐岩，江苏金坛盐矿，被选为UHS的潜在地点。并评价了UHS在层状盐岩中的可行性。首先，对金坛盐矿的区域地质条件进行了分析。这表明该矿具有良好的地层圈闭，并符合UHS的选址要求。然后，建立了一个数值模拟模型来分析所提出的UHS洞穴的稳定性和适用性。还研究了UHS盐洞的密封性。结果表明，中间层的渗透率在10〜18 m2以下时，气密性较好。最后，估计江苏36.9 TWh规模的UHS的盐洞可以主要由盐矿企业提供，但在开采过程中应更加注意这些洞的可用性。该研究为实现江苏以及大型可再生能源和盐资源丰富的地区的大规模UHS提供了可行且经济的解决方案。

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