Solar concentration heat storage type molten salt coagulation prevention vacuum heat-preservation pipe

The invention discloses a solar concentration heat storage type molten salt coagulation prevention vacuum heat-preservation pipe, which mainly comprises a W-shaped compound paraboloid, a semi-cylindrical curved transparent glass mirror, a heat storage material layer, a vacuum layer and a pipeline, wherein the W-shaped compound paraboloid is on the lower half part of the whole pipeline, the semi-cylindrical curved transparent glass mirror is positioned on the upper half part of the pipeline, a groove type detachable connecting manner is adopted for the semi-cylindrical curved transparent glass mirror and the W-shaped compound paraboloid, the heat storage material layer is positioned on the outer wall of the pipeline, high-temperature molten salt flows in the pipeline, concentrated solar energy is stored, the vacuum layer is positioned outside the heat storage material layer, three solid heat conduction pipes are arranged in the vacuum layer, and heat concentrated on the vacuum layer is transferred into the hea