The invention discloses a portable high-negative pressure
welding fume purifier which comprises a shell, wherein the shell is internally provided with a high-efficiency filter device and a high-negative pressure
air blower sequentially from front to back, and the shell comprises a
front cover, a rear cover, an upper cover and a bottom plate; two sides of the upper cover downwards extend to be connected with the bottom plate; the
front cover is provided with an air inlet, a pressure induction switch, a current induction switch and a speed regulating knob; the speed regulating knob controls the rotating speed of the high-negative pressure
air blower, the pressure induction switch is connected with the high-efficiency filter device, and the current induction switch is communicated with the high-negative pressure
air blower; the bottom plate is provided with a support
pipe, and the support
pipe is movably arranged on the lower side of the high-efficiency filter device; and the rear cover is provided with an air outlet and a waterproof connector, and the waterproof connector is communicated with a power supply and a current induction module. The portable high-negative pressure
welding fume purifier disclosed by the invention is kept synchronous with the working state of a welder, has the advantages of working efficiency improvement, power supply saving and high
automation degree and is more systematized in fume suction, flexible in movement and convenient to disassemble and maintain.