Spiral winding heat exchanger convenient to disassemble

The utility model provides a spiral winding heat exchanger convenient to disassemble, which relates to the technical field of heat exchangers and comprises a cylindrical shell and two joints, first flanges are sleeved at two ends of the cylindrical shell, connecting pipes are fixedly mounted on two sides of a shell body of the cylindrical shell, and second flanges are sleeved at opposite ends of the two joints. The fastening bolt is disassembled and assembled, a worker can disassemble and assemble the first flange and the second flange conveniently, then the cylindrical shell and the connector are disassembled and assembled, and when the worker disassemble and assemble the cylindrical shell, under the cooperation effect of the first connecting assembly and the second connecting assembly, the first flange and the second flange can be disassembled and assembled conveniently. The core tube and the heat exchange tube bundle can be quickly disassembled and assembled by a worker, so that the worker can disassemble