Ash collecting system

An ash collecting system, comprising an ash discharge device, an ash conveying pipeline and an ash collecting tank, wherein the ash discharge device comprises a shell in which a first air outlet, a first air inlet and an ash removal port are formed, a first clean air chamber and a first foul air chamber are arranged in the shell, a plurality of first filtering structures and vibrating structures are arranged in the first clean air chamber, the vibrating structures are configured for vibrating the first filtering structures, the first foul air chamber is provided with a sweeping structure, and the sweeping structure is configured for sweeping ash filtered by the first filtering structures to the ash removal port;

• and
• wherein the ash collecting tank comprises a cylindrical shell and an ash bin, a second air inlet and a second air outlet are formed in the cylindrical shell, the ash removal port is in communication with the second air inlet through the ash conveying pipeline, a second clean air chamber and a second foul air chamber are arranged in the cylindrical shell, second filtering structures are arranged in the second foul air chamber, the ash bin is in communication with the second foul air chamber, an ash collecting structure is arranged in the ash bin, and the ash collecting structure is configured for collecting ash.