During the welding process, a large amount of smoke is generated, of which 95% are particles produced during welding and 5% are toxic gases. In traditional welding workplaces, people have become aware of the harm of particles and gases generated to the human body. Therefore, in places with cross ventilation, especially in summer, the method of using electric fans to directly blow away smoke and dust will actually cause smoke and dust to spread throughout the workshop, increasing the harm. At present, some factories have started using smoke purifiers to collect harmful gases and smoke generated during welding, and purify them. Compared with traditional direct blowing methods, it not only protects the safety of welders, but also reduces the direct emission of harmful gases into the air. The OKI multi station MFX-2200 series smoke purification system can provide a maximum air flow rate of 900 cubic meters per hour and a maximum suction force of 1075Pa, reaching a new level of performance. With its ability to provide filtration for up to 8 manual welding stations, the MFX-2200 series purification system can also remove particles and harmful gases from smoke cabinets, small desktop wave soldering furnaces, and reflow soldering furnaces. It is a smoke purifier worth using.