Immersed single-tank heat storage and supply device

The invention relates to the technical field of clean energy heat supply, and discloses an immersed single-tank heat storage and supply device. The heat storage and supply device comprises a heat storage tank, a flow guide assembly, a heat exchange assembly and a heating assembly, a first cavity is formed in the heat storage tank, a heat insulation coaming is arranged in the first cavity, a second cavity is formed in the heat insulation coaming, and the two ends of the second cavity communicate with the first cavity; the flow guide assembly comprises a flow guide disc and a driving part, and the shape of the flow guide disc is matched with that of the section of the second cavity; the heat exchange assembly comprises a heat exchange pipe; the heating assembly is used for heating the heat storage medium. According to the immersed single-tank heat storage and supply device, the temperature of a heat storage medium in the area near the heat exchange pipe gradually tends to be uniform through repeated ascending a