Mine ventilation system air inlet wellhead heat pipe switch type hot water heating device

The utility model belongs to the technical field of mine ventilation and heat exchange, and particularly relates to a mine ventilation system air inlet wellhead heat pipe switch type hot water heating device which comprises a heat pipe isothermal heat exchanger, a heat preservation assembly is arranged in the heat pipe isothermal heat exchanger, and an upper cavity and a lower cavity are formed in the heat pipe isothermal heat exchanger. The heat preservation assembly penetrates through the upper cavity and the lower cavity, the upper cavity and the lower cavity are arranged in a sealed mode, the lower cavity is communicated with a hot water circulation assembly, the hot water circulation assembly is communicated with a heat supply source, the upper cavity is communicated with an anti-freezing solution circulation assembly, the anti-freezing solution circulation assembly is communicated with an anti-freezing solution air heating unit, and the anti-freezing solution air heating unit is fixedly connected to the