Low-temperature bimetal liquid hydrogen spherical tank

The utility model relates to a low-temperature bimetal liquid hydrogen spherical tank, which comprises an inner spherical tank, an outer spherical tank, an outer spherical tank, an inner metal layer and an outer metal layer, the outer spherical tank is arranged around the inner spherical tank, and the inner spherical tank is contained in a cavity of the outer spherical tank; the inner supporting column supports and suspends the inner spherical tank in the cavity of the outer spherical tank and transmits the load of the inner spherical tank and the liquid hydrogen to the outer spherical tank; the outer supporting column supports the outer spherical tank; the pull rods are arranged between the adjacent outer supporting columns; the heat insulation part comprises glass wool wrapping the periphery of the inner supporting column; a multi-layer winding piece or aerogel is arranged on the outer side of the inner spherical tank, and the multi-layer winding piece is formed by alternately arranging metal films with low