Difficult constructed wetland who blocks up

The utility model discloses a difficult constructed wetland who blocks up, including the cell body, be provided with in the cell body and separate the first vertical baffle for water filtering cavityand water purification chamber with the cell body, be provided with the filter screen in the water filtering cavity, the filter screen separates water filtering cavity for strainer chamber and thin straining chamber, has laid gravel in the thin straining chamber, and water purification intracavity edge intakes the direction and has set gradually vertical baffle of second and the vertical baffle ofthird, the cell body upper end is provided with the second drain pipe, and the cell body lower extreme is provided with the third drain pipe that has the valve. The utility model provides a constructed wetland can filter the bulky debris in the sewage, avoids its device in to constructed wetland to cause the jam, also can prolong the dwell time of sewage in constructed wetland, lifting sewage treatment effect simultaneous