Pig house corridor air isolation equipment

Pig house corridor air isolation equipment comprises a mounting box, connecting plates are arranged on the two sides of the opening end of the mounting box, a guide-in pipe is arranged on the top face of the side, away from the opening, of an inner cavity of the mounting box, a draught fan is installed in the guide-in pipe, a second air inlet pipe is arranged at the top of the guide-in pipe, and a plurality of second filter plates are arranged on the side wall of the second air inlet pipe. A first air inlet pipe is arranged at the top of the second air inlet pipe; first filter plates are arranged on two side walls of the top surface of the first air inlet pipe; a wet curtain filtering assembly is arranged in the mounting box, a sterilization and disinfection assembly is arranged in the wet curtain filtering assembly, an electrical box is arranged on the outer side of the mounting box, a controller is mounted in the electrical box, and an air supply button, a wet curtain filtering button and a sterilization an