Heat pipe type boiler flue waste heat recovery system

The utility model discloses a heat pipe type boiler flue waste heat recovery system which comprises a heat pipe exchanger, a heat exchange water tank, an automatic water supplementing control device,a siphon device and a heat storage water tank. The heat pipe exchanger comprises a heat pipe evaporation section and a heat pipe condensation section, the heat pipe evaporation section is communicatedwith the flue gas pipe, and the heat pipe condensation section is arranged in the heat exchange water tank; an automatic water supplementing control device is installed at the bottom of the heat exchange water tank, a water supplementing pump and a control system are installed on the automatic water supplementing control device, one end of the siphon device is arranged in the heat exchange watertank through a communicating pipe, and the other end of the siphon device perpendicularly stretches into the heat storage water tank through a vertical pipe. Hot water is periodically conveyed to thehot water storage tank throu