Coal mine ventilation and dust removal device

The utility model provides a coal mine ventilation and dust removal device which comprises a dust removal box, a sealing partition plate is fixedly connected to the near end portion of the upper end in the dust removal box in the horizontal direction, and a sleeve arranged in the vertical direction is detachably connected to the sealing partition plate. The lower end of each sleeve is open and is fixedly connected with a filter cartridge positioned below the sealing partition plate; an air inlet mechanism is arranged at the upper end of the sleeve, the air outlet end of the air inlet mechanism is located in the filter cartridge, and an air outlet water supplementing pipe communicated with an inner cavity of the dust removal box is arranged on the dust removal box between the filter cartridge and the sealing partition plate; the water purifier is novel in structure and reasonable in design, water consumption can be effectively reduced, meanwhile, the filtering structure does not need to be cleaned frequently,