Low-noise large-air-volume industrial fan

The utility model discloses a low-noise large-air-volume industrial fan which comprises a base, universal wheels, a shell, a motor, fan blades, a front cover plate, a power switch key, an air speed adjusting key, a timing key, a liquid crystal display screen, a main control board, a wireless WiFi module and a power interface. The motor is arranged in the shell, the fan blades are detachably and fixedly connected with output shafts of the motors, the front cover plate is detachably embedded in the front end of the through hole, a plurality of air inlets are formed in the lower end wall of the base, and a plurality of air outlets are formed in the front cover plate in the circumferential direction. According to the technical scheme, air can be discharged from the fan shell in four directions, all-directional ground coverage and three-dimensional circulation of air can be achieved, the air outlet amount and the air outlet effect are greatly improved, and the fan shell is convenient to move, low in noise, capable