An adiabatic device for a liquid hydrogen storage tank

Abstract

The application discloses an adiabatic device of a liquid hydrogen storage tank, which comprises an outer container of the liquid hydrogen storage tank, a vacuum interlayer, an inner container of the liquid hydrogen storage tank, a cold screen of a cold storage working medium and a heat exchanger, the inner container of the liquid hydrogen storage tank contains liquid hydrogen, the cold screen of the cold storage working medium is arranged outside the inner container of the liquid hydrogen storage tank, the outer container of the liquid hydrogen storage tank is arranged outside the cold screen of the cold storage working medium, the cold screen of the cold storage working medium contains the cold storage working medium, the heat exchanger is communicated with the cold screen of the cold storage working medium, and the cold storage working medium in the cold screen of the cold storage working medium can circulate and exchange heat between the cold screen of the cold storage working medium and the heat exchanger at night. When the temperature is high during the day, the cold storage working medium of the cold screen of the cold storage working medium can absorb the heat transmitted from the outer container of the liquid hydrogen storage tank and the vacuum interlayer, the adiabatic device utilizes sufficient cold energy at night to reduce the evaporation amount of the liquid hydrogen, does not need to consume a large amount of energy additionally, and can reduce the evaporation amount of the liquid hydrogen under the condition of energy saving.

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