The utility model discloses a device that is used for automatic clear up two and sinking pond face dross, scum board including sediment fill and mud scraper, wherein, it has the slag rake of scrapingto keep away from two outer ends that sink pond center support on the scum board, characterized by: still include controllable elevating system and controller, controllable elevating system monolithicstationary installs on the play mill weir in two heavy ponds, and just controllable elevating system has the expansion end that can do vertical elevating movement, and sediment fill monolithic stationary installs at the expansion end and can be higher than or be less than two heavy pond faces along with the slag inlet that the vertical lift of this expansion end makeed the sediment fight, controller and controllable elevating system electric connection, and the controller is used for controlling the elevating movement of controllable elevating system's nature expansion end performance period.The utility model discloses a device that is used for automatic clear up two and sinking pond face dross has the dross and drives the effect ideal, uses manpower sparingly, strengthens and guaranteesecondary settling tank quality of water, and automatic with intelligent advantage is fit for using widely on two heavy ponds.