Mining wet dust collector and dust collection method thereof

The invention relates to the field of mining dust collection. A mining wet dust collector comprises a main barrel, a base of the main barrel and an air barrel mounted on the main barrel, wherein the main barrel is a transversely arranged barrel body; a transversely arranged barrel-shaped purification pipe with an opening in the right end is arranged in the main barrel; the inner side wall of the main barrel is fixedly connected with the outer side wall of the purification pipe through a spiral connecting plate; a gap of 20-30cm is formed between the left side wall of the main barrel and the left side wall of the purification pipe; a main spray head is arranged in the center of the inner side of the left side wall of the main barrel; and a first spiral rod with a spiral blade is arranged on the inner side of the purification pipe. In a dust gas dust collection process, the dust gas passes through a long path and is always in contact with water vapor, sludge produced in each step is quickly removed, water can b