Dust-collection and mist-removal device

The invention discloses a dust-collection and mist-removal device, which is characterized by comprising a motor, a fan, a frame, a water pump, a water-pump water inlet pipe, a water tank, two water retaining plates, a plurality of water outlets, a plurality of wire mesh filtering doors, a dust-remover air outlet pipe, a long-fiber polyester filtering cartridge dust remover, a dust-remover air inlet pipe, a pneumatic switching valve, a conical induced draft pipe, multiple sets of spray devices, a plurality of manual valves, a water-pump water outlet pipe, a fan air inlet pipe, an activated carbon box and a fan air outlet pipe, wherein each wire mesh filtering door comprises a doorframe, a stainless steel wire mesh and a lifting handle; each set of spraying device comprises a main spray pipe; the lower end of each main spray pipe is provided with a straight branch spray pipe and two oblique branch spray pipes which are arranged symmetrically; the lower ends of the straight branch spray pipe and the two corresponding oblique branch spray pipes are provided with a spray head respectively. The dust-collection and mist-removal device is novel in structure, is convenient to maintain, works reliably, is safe and environment-friendly, and is low in running cost and long in service life, and the dust collection and the mist removal are integrated in the dust-collection and mist-removal device.