Hot corner protection structure of LNG (Liquefied Natural Gas) full-capacity storage tank

The utility model discloses an LNG full-capacity storage tank hot corner protection structure which comprises an elastic felt, perlite, a TCP hot corner protection belt, a heat preservation plate and heat preservation mortar, one side face of the hot corner protection belt is tightly attached to the inner wall of a storage tank, a gap is formed between the elastic felt and the inner wall of the storage tank, and the gap is filled with the perlite. Thermal insulation mortar and a thermal insulation board are sequentially arranged in the area, corresponding to the hot corner protection belt, of the outer wall of the storage tank from inside to outside, the thermal insulation board is fixed through studs, and equivalent conversion is conducted on heat transfer coefficients of the thermal insulation mortar and the thermal insulation board and thermal insulation materials in the TCP hot corner protection belt range in the tank. And after conversion, the equivalent volume of the external thermal insulation is not l