Air conditioner humidifying device used in tobacco industry

The utility model relates to an air conditioner humidifying device, in particular to the air conditioner humidifying device used in a tobacco industry. The air conditioner humidifying device comprises a refrigerant water tank, a spraying section and a cooling coil section. A plurality of spray headers are arranged inside the spraying section. A water inlet pipe is arranged between the refrigerant water tank and the spraying section and provided with a water pump. The spraying section is connected with a return pipe I, a second return pipe II and a water-supplying pipe outwards, and a bypass pipe is arranged between the return pipe I and the return pipe II. Original refrigerant water used as a humidification medium is changed into tap water in the air-conditioner spraying section. A pipeline (the return pipe I) is arranged, and the low-temperature (lower than 10 DEG C) refrigerant water sprayed for humidification before is changed into the middle-temperature (higher than 20 DEG C) tap water (the water-supplyin