Novel air pre -flock device

Novel air pre -flock device, include along the barrel of vertical direction setting, the top of barrel is equipped with the air inlet, air inlet department is equipped with the wire mesh sheet who isused for filtered air, upper portion in the barrel is equipped with the draft tube along vertical direction, it is equipped with a plurality of guide plates to encircle the draft tube between draft tube and the barrel, the face of guide plate is slope setting, the outer end of every guide plate links to each other with the inner wall of barrel is fixed respectively, the inner end of every guide plate links to each other with the outer wall of draft tube is fixed respectively, a sidespin water conservancy diversion air flue has between two adjacent guide plates. Its aim at provides one kind canimprove its filtering efficiency on the basis of the air cleaner on not changing original equipment structure, and filtering efficiency is high, the resistance is little, environmental suitability good, the operational reliab