Multilevel atmosphere particulate matter cutter

The invention discloses a multilevel atmosphere particulate matter cutter. The multilevel atmosphere particulate matter cutter comprises a primary nozzle, a primary impulsion chamber, a secondary nozzle, a secondary impulsion chamber and an air outlet pipe which are successively hermetically connected in series, wherein the primary nozzle is closely inserted into the air inlet of the primary impulsion chamber; and the bottom of the primary impulsion chamber is provided with at least one vent pipe which is upward extended; the air inlet of the vent pipe is communicated with the air outlet of the primary impulsion chamber, and the air outlet of the primary impulsion chamber is connected with the air inlet of the secondary nozzle; the air outlet of the secondary nozzle is communicated with the air inlet of the secondary impulsion chamber, and the air outlet of the secondary nozzle is provided with a filter membrane; and an air vent communicated with the air outlet of the secondary impulsion chamber is arranged above the secondary impulsion chamber; and the air outlet of the secondary impulsion chamber is connected with the air outlet pipe. The multilevel atmosphere particulate matter cutter provided by the invention has the advantages that the structure is simple, and the manufacture technological requirements are lower; the multilevel atmosphere particulate matter cutter has no special process and device requirements and is easy to popularize and apply, and the maintenance is convenient; and the multilevel atmosphere particulate matter cutter has good economic benefits and social benefits.