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Furui Special Equipment  Hydrogen Energy Testing and Testing Center

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Hydrogen Liquefaction Plant

Liquid hydrogen is a liquefied gas obtained by cooling hydrogen to -253°C and throttling after precooling and multiple adiabatic expansion. Since the density of liquid hydrogen is 800 times that of hydrogen, compared with other transportation methods, liquid hydrogen has the characteristics of high storage and transportation density, high transportation efficiency and suitability for long-distance transportation, making it one of the high-quality hydrogen storage and transportation methods. The hydrogen liquefaction unit is mainly composed of a turboexpander, a heat exchanger, a compressor and a normal and parahydrogen converter. Large-scale hydrogen liquefaction plants mainly adopt the technical route of liquid nitrogen precooling and hydrogen turbo-expander unit, while small-scale hydrogen liquefaction equipment mostly adopts the technical route of helium turbo-expander refrigeration and JT throttle valve liquefaction.
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