Heat pipe cold air heating device

The utility model discloses a heat pipe cold air heating device which comprises a heat collector arranged on a smoke outlet pipeline of an air pre-heater and a heater arranged on an air inlet pipeline of the air pre-heater, the heat collector comprises a plurality of rows of heat absorption heat pipes which are vertically arranged, and the heater comprises a plurality of rows of heat release heat pipes which are obliquely arranged. The upper end and the lower end of each row of heat absorption heat pipes are connected with a steam exhaust header and a liquid inlet header respectively, the upper end and the lower end of each row of heat absorption heat pipes are connected with a steam inlet header and a liquid outlet header respectively, the steam exhaust header is connected with the steam inlet header through a steam conveying pipe, and the liquid outlet header is connected with the liquid inlet header through a liquid return pipe. The heat pipe cold air heating device not only can solve the problem of adhesi