Concrete-filled steel tube tower drum and construction method thereof

The invention relates to the technical field of wind power generation, and discloses a concrete-filled steel tube tower drum and a construction method thereof.The concrete-filled steel tube tower drum comprises at least two drum sections, each drum section comprises a first steel tube and a second steel tube, and a pouring cavity is formed between the inner wall of each first steel tube and the outer wall of the corresponding second steel tube; the supporting assemblies are arranged in the circumferential direction of the inner wall faces of the first steel pipe and the second steel pipe. The connecting assembly is connected with the two adjacent shell rings, the connecting assembly is connected with the supporting assembly on the first steel pipe of one shell ring, and the connecting assembly is connected with the supporting assembly of the second steel pipe of the other shell ring; the multiple sealing assemblies are arranged corresponding to the top and the bottom of the shell ring correspondingly. The sup