Steam generator for disinfection and sterilization

The utility model discloses a steam generator for disinfection and sterilization, which comprises a generator main box body and a heat exchanger box body, a generator tank body is arranged in the generator main box body, a heat exchanger is arranged in the heat exchanger box body, a connecting pipe and a circulating pipe are arranged between the generator tank body and the heat exchanger, and a top cylinder is arranged at the top of the generator main box body. The tail end of the top cylinder is connected with a chimney, an induced draft fan is installed on the chimney, a pressure controller is arranged on the top of the generator main box body and connected with a pressure gauge, a steam outlet is further formed in the right end of the generator main box body, a safety valve is arranged beside the steam outlet, and a water level gauge is arranged on the generator main box body. The generator main box body is further provided with a chamber body repairing opening, the bottom of the chamber body repairing ope