Heat recovery device of power distribution room heating ventilation air conditioner

The invention discloses a heat recovery device of a power distribution room heating ventilation air conditioner. The heat recovery device comprises a steam pipe arranged on the ground, a processing pipe is arranged at one end of the steam pipe, four supporting columns which are symmetrically arranged are further arranged on the ground, the ends, away from the ground, of the four supporting columns are jointly and fixedly connected with a water tank, an air inlet is formed in the side wall, away from the ground, of the water tank, the processing pipe is arranged in the air inlet in a sliding connection mode, water inlets are formed in the side walls, close to each other, of the water tank and the steam pipe, the two water inlets are oppositely arranged, and the sides, close to each other, of the water tank and the steam pipe are jointly and fixedly connected with a water inlet pipe. According to the heat recovery device, while heat recovery work is completed, dust and dirt in steam and in the steam pipe can be