站内天然气制氢可应用成熟的天然气输配网络,解决氢气储运成本较高的问题,逐渐成为站内制氢领域研究热点.通过研究国内外小型站内天然气制氢技术相关专利现状,阐述并分析了该技术存在的问题、研究现状、应用情况及该技术未来发展方向.现阶段对小型站内天然气制氢技术研发主要集中在对工艺的优化和重整反应器研发上,其次是对催化剂和变压吸附器的研发.我国对于小型站内天然气制氢技术的需求量较高且本土市场体量较大,但从技术研发的角度讲,美国和日本在该技术领域仍处于龙头地位.随着我国氢能示范城市群的有序推进,氢气需求量稳步增长,小型站内天然气制氢技术具有广阔的发展前景,将助力我国氢能产业稳步发展.
The mature natural gas transmission and distribution network can be used for on-site hydrogen production from natural gas,solving the problem of high hydrogen storage and transportation costs,and gradually becoming a research hotspot in the field of on-site hydrogen production in the station.By studying the domestic and foreign patents related to small-scale on-site hydrogen production technology from natural gas,the existing problems,research status,application and future development direction of this technology were studied.At present,the research of small-scale on-site hydrogen production technology from natural gas mainly focus on process optimization and reformer development,followed by the research and development of catalysts and pressure swing adsorption beds.The demand of small-scale on-site hydrogen production technology from natural gas is high in China,and the domestic market is large.However,from the perspective of technology research,the United States and Japan still occupy the leading position in this technology field.With the orderly progress of domestic China hydrogen cities clusters,the demand for hydrogen is increasing steadily,and the small-scale on-site hydrogen production technology from natural gas has broad development prospects,which will help the steady development of China's hydrogen energy industry.