Fresh air purifier with deep sterilization effect for operating room disinfection

The fresh air purifier with the deep sterilization effect for operating room disinfection comprises a box body, a mounting cavity is formed in the box body, two sets of partition plates are arranged in the mounting cavity in the vertical direction, and the partition plates divide the mounting cavity into a first filter cavity, a second filter cavity and a third filter cavity; a first mounting opening and a second mounting opening are formed in the upper end face of the box body, an HEPA filter screen plate is inserted into the first mounting opening, a filter screen box is inserted into the second mounting opening, the filter screen box is filled with an activated carbon adsorption layer, a plurality of ultraviolet disinfection lamps are arranged on the side wall of the second filter cavity, and an air inlet is formed in the left end face of the box body. A silent fan is arranged in the air inlet, and an air outlet is formed in the right end face of the box body. Due to the design of an HEPA filter screen pla