Environment-friendly waste gas treatment mechanism for electric arc welding

The utility model discloses an environment-friendly waste gas treatment mechanism for electric arc welding, and relates to the technical field of metal processing equipment and appliances. The waste gas treatment device comprises a mounting part, a waste gas treatment part and an exhaust part, the upper part of the mounting part is slidably connected with the waste gas treatment part, the waste gas treatment part comprises a suction fan, adapting pipes penetrate through the bottom edge of the suction fan at equal intervals, and one side and the other side of the lower part of the inner side wall of each adapting pipe are respectively connected with calcium oxide and sodium oxide; exhaust parts penetrate through the upper ends of the two sides of the mounting part. By arranging the waste gas treatment part and the exhaust part, the waste gas treatment device solves the problems that an existing treatment mechanism generally and directly adsorbs waste gas for unified treatment, the treatment efficiency is influ