Angle area trihedron enclosure structure of double-metal low-temperature film storage and transportation tank

The utility model discloses a corner area trihedral enclosing structure of a double-metal low-temperature film storage and transportation tank, which belongs to the technical field of low-temperature storage devices, and comprises a support plate frame box, a fixed wedge lug, an insulation cold insulation material, a thermal protection material and a metal film shielding layer, insulation cold insulation materials are filled in the box body. Holes, deep grooves and shallow grooves are formed in the surface of the supporting plate frame box, and thermal protection materials are fixed in the shallow grooves; the lower fixing wedge lug and the upper fixing wedge lug are fixed on the outer side of the box body, and after the supporting plate frame box is filled with the thermal protection material, the metal film shielding layer is fixed on a panel of the box body and the thermal protection material. The corner area trihedron enclosure structure of the double-metal low-temperature film storage and transportation