Dust removal cylinder for mineral processing workshop and dust removal device comprising dust removal cylinder

The dust removal cylinder for the ore dressing workshop comprises a cylinder body, and a smoke outlet is formed in the side face of the cylinder body; the first smoke exhaust structure is positioned in the cylinder body and is communicated with the smoke exhaust port; the second smoke exhaust structure is positioned below the first smoke exhaust structure in the cylinder body and is communicated with the smoke exhaust port; the discharging structure is located at the lower end of the second smoke discharging structure, and the lower end of the discharging structure extends out of the bottom plate of the barrel and extends into the stirring barrel; the puncturing structure is located in the discharging structure and used for puncturing the alkali bag; by means of the first smoke exhaust structure and the second smoke exhaust structure, flying alkali dust is sucked away and adsorbed through the multi-stage spray tower, so that collection and recycling of the alkali dust are achieved, the first smoke exhaust str