Spraying type heat exchanger

The utility model provides a spraying type heat exchanger which comprises a spraying tower, a water tank is arranged at the bottom of the spraying tower, one or more partition plates are arranged in the spraying tower, a bypass channel is formed between the partition plates and the side wall of the spraying tower, a demister is arranged in the spraying tower, a smoke inlet is formed in the side wall of the spraying tower, and a smoke outlet is formed in the top of the spraying tower. More than two overflow pipes are arranged on the side wall of the water tank, the height of the overflow pipe at the highest position is higher than that of the bottom of the partition plate, the water tank is connected with a waste heat recoverer through a spraying pump, and the waste heat recoverer is connected with a spraying pipe; according to the utility model, the flue gas bypass pipeline and the spraying heat exchanger are integrally designed, so that the site construction is avoided, the construction period is shortened,