Liquid-gas separation purifier

A liquid-gas separation purifier comprises a flange, an air inlet pipe, a cooling box, a temperature reduction box, a filter box and an exhaust pipe. The temperature reduction box and the filter box are fixedly connected above the cooling box, a body of the air inlet pipe is a 'U'-shaped pipe and mounted inside the cooling box, the bottom end of an arc section of the air inlet pipe is communicated with a drain pipe, a pipe orifice in one end of the air inlet pipe penetrates the top of the cooling box, enters the temperature reduction box, horizontally extends and penetrates a side plate of the temperature reduction box, a pipe orifice in the other end of the air inlet pipe upwardly penetrates the cooling box and the temperature reduction box and enters the filter box, a temperature reduction water pipe winds the outer wall of a section of the air inlet pipe positioned in the temperature reduction box, openings are formed in two sides of the cooling box, a sealing door is mounted at each opening, the inside of the cooling box is filled with solid coolants, air holes are formed in two side plates of the temperature reduction box, a blower is mounted below a top plate of the temperature reduction box, a drying adsorption bed, an activated carbon filter bed and a PM2.5 filter bed are respectively horizontally mounted inside the filter box from bottom to top. The liquid-gas separation purifier has the advantages of exquisite structure, convenience in use and the like.