Steam discharging device for double-effect evaporation concentrator

The steam discharging device comprises a concentrator body and a water tank, a heat exchange coil pipe is wound outside the concentrator body, one side of the water tank is connected with a water pump in a penetrating mode, one end of the heat exchange coil pipe is connected with the water pump in a penetrating mode, and the other end of the heat exchange coil pipe is connected with the water tank in a penetrating mode. The bottom of the concentrator body is connected with a drain pipe in a penetrating manner, one end, far away from the concentrator body, of the drain pipe is connected with the water tank in a penetrating manner, rotating assemblies are arranged at the top and in the water tank, each rotating assembly comprises a fixed frame fixedly mounted in the center of the top of the water tank, and a driving motor is fixedly mounted at the lower part in the fixed frame; the water tank can drain and supplement water at the same time, the temperature of water in the water tank can be reduced through water