Centralized treatment dust-free feeding device

The utility model discloses a centralized processing dust-free feeding device which comprises a bin hopper, a bin discharging feeder connected to a discharging port of the bin hopper, a dust-free hopper connected to a feeding port of the bin discharging feeder, an air seal machine connected to a lower port of the dust-free hopper and a conveying pipeline connected to a discharging port of the air seal machine. The dust-free hopper comprises an outer shell, a hopper dustproof partition plate fixedly installed in the outer shell and a hopper dust removal exhaust opening formed in the upper end of the outer shell. A hopper dustproof partition plate is installed in the dust-free hopper, materials are separated from a hopper dust removal air suction opening, the air suction opening does not directly face the materials, direct suction of the materials is reduced, and part of light dust passes through the lower portion of the hopper dustproof partition plate and enters the next working procedure to be processed thro