A recovery barrel used for powder spraying

The invention discloses a recovery barrel used for powder spraying, and relates to the technical field of filtration. The recovery barrel includes a cylindric inner barrel and a filtration layer disposed outside the cylindric inner barrel. The filtration layer is provided with an end cover integrated with the cylindric inner barrel and the filtration layer through hot melting. A sealing plate is disposed at the lower part of the cylindric inner barrel and is integrated with the cylindric inner barrel and the filtration layer through hot melting. A plurality of supporting columns are disposed between the end cover and the sealing plate. The filtration layer consists of a plurality of V-shaped metal sheets provided with a plurality of air holes. The cylindric inner barrel has a screen structure. The end cover is provided with engaging teeth capable of rotation. Compared with the prior art, the recovery barrel has high filtration effects, much dust is attached to the recovery barrel, filtration effects are ensur