The experimental device of high pressure visualization natural gas hydrate is studied.With the combination of existing exploitation methods for natural gas hydrates and the seawater desalination technology based on hydrate method as the research background,the experimental device emulates the ocean environment; by using hydrate technology,the hot brine is prepared to exploit ocean natural gas hydrates.And through visualization,the crystalline state of the hydrates can be observed.The practical application shows that the device meets the design effects,in addition,it can be applied to other applicable areas,e.g.,seawater desalination,etc.%对高压可视化天然气水合物实验装置进行了研究.实验装置以现有天然气水合物开采方法结合水合物法海水淡化技术为研究背景,模拟海洋环境；利用水合物技术原位制备热盐水,开采海洋天然气水合物；采用可视化技术,可观察到水合物晶体状态.实际应用表明,该装置达到了设计效果,同时还可以应用到海水淡化等领域.
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