Industrialized circulating photoreaction apparatus

The utility model relates to circulating light reaction equipment which can be industrially applied and comprises a reaction device, a reaction liquid circulating lighting device, and an air heating device. A reaction tank of the reaction device is provided with a feeding hole and a discharging hole, a reaction circulating liquid outlet and a reaction circulating liquid inlet, the reaction tank is connected with a serpentine coil by a circulating pump to form a loop of reaction liquid circularly receiving the lighting; an insulation sleeve of the reaction liquid circulating lighting device is arranged at the periphery of the serpentine coil, and the upper part and the lower part of the insulation sleeve are provided with connecting outlets which are connected with the air heating device to form a hot air circulating system. The utility model realizes the continuous batching feeding of materials participating in the light reaction, thereby solving the problem of the industrialization application of a light rea