Dust collecting and washing equipment

The utility model discloses dust collecting and washing equipment. The dust collecting and washing equipment comprises a main body, a washing tower, a sieve plate, a water sprinkling device, a water collecting tank and a dust collecting device, wherein the main body is provided with an air inlet and an air outlet; the washing tower is configured in the main body; a first air channel is formed between the outer wall of the washing tower and the inner wall of the main body; a second air channel is formed in the washing tower; an opening is formed at the bottom end of the washing tower; the first air channel is communicated with the air inlet and communicated with the second air channel through the opening; the second air channel is communicated with the air outlet; the sieve plate is configured in the second air channel; the water sprinkling device is configured above the sieve plate; the water collecting tank is configured below the opening; and the dust collecting device is configured below the main body and