Automatic slag and water discharging device

The utility model provides an automatic slag and water discharging device. The automatic slag and water discharging device comprises a box body, a magnet and a floating assembly, a ventilation valve and an exhaust pipe communicated with the second negative pressure circulating pipe are arranged on a cover plate of the box body; a water inlet pipe is arranged on the box body, the water inlet pipe is communicated with the water storage tank through a first negative pressure circulating pipe, and a first check valve is arranged on the water inlet pipe; a drain pipe is arranged at the bottom of the box body and is provided with a second check valve; the floating assembly comprises an annular sliding way arranged in the box body, a cylindrical floating ball arranged in the annular sliding way in a sliding mode and a first assembly arranged at the top of the floating ball and used for blocking the exhaust pipe and opening the ventilation valve. 本实用新型提供了一种自动排渣放水装置，其包括箱体、磁铁和浮动组件；箱体的盖板上设置有透气阀和与第二负压循环管连通的排气管；箱体上设置有进水管，