The dust-containing air enters the box from the dust source through the dust cover, air duct, and air inlet. The large particle size powder is separated from the dust-containing air under its own weight and settles to the ash drawer. The remaining dust particles are retained in the outer wall of the filter cartridge due to the effect of screening, collision, hooking, static electricity, etc. The purified air is discharged by the fan through the outlet. This unit after purification can be directly discharged indoor recycling, no ventilation heat (cold) loss. Automatic pulse cleaning, no need to stop in the process of cleaning, because of the use of pulse cleaning, users need to prepare their own air source.
