Steam mixing type heating tank

The utility model discloses a steam mixing type heating tank which comprises a tank body, the top of the tank body is provided with an exhaust port, the bottom of the tank body is provided with a continuous drain outlet, and the side wall of the upper half part of the tank body is respectively provided with a steam inlet, a water return port and a water outlet; a spraying pipe is arranged in the tank body, and a plurality of water nozzles are arranged on the spraying pipe; a steam pipe is further arranged in the tank body, and a steam nozzle is mounted on the steam pipe; an overflow partition plate is mounted on one side, close to the water outlet, in the tank body, the upper end of the overflow partition plate is higher than the water outlet, and the tank body is divided into a left cavity and a right cavity by the overflow partition plate; and a regular drain outlet is formed in the bottom of the left cavity of the tank body. The steam waste heat recovery device has the advantages that waste heat of steam w