Micro-perforated silencer

The utility model discloses a micro-perforated silencer, which belongs to the technical field of silencing equipment and comprises an outer shell, an inner shell, an end cover, a first interlayer, a second interlayer and a radial partition plate, the first interlayer and the second interlayer are coaxial with an axis and are sequentially arranged between the outer shell and the inner shell, and openings are arranged at two ends of the outer shell; the inner shell is coaxially arranged in the outer shell along an axis penetrating through the two openings; the end covers are connected with the inner shell and are respectively arranged at the two openings; the first interlayer, the second interlayer and the inner shell are respectively provided with a micro-perforated structure; the radial partition plates with different widths are arranged between the inner shell and the outer shell at intervals, the space formed among the outer shell, the first interlayer, the second interlayer and the inner shell is divided i