Silver powder washing and drying device

The silver powder washing and drying device comprises a silver powder box, a steam coil pipe and a filtering device, an opening is formed in the top of the silver powder box, a drainage hole is formed in one side of the silver powder box and connected to an external water storage device through a pipeline, the steam coil pipe is installed at the bottom of the silver powder box, an inlet is formed in one side of the steam coil pipe, and an outlet is formed in the other side of the steam coil pipe. The filtering device is used for shielding the drainage holes and preventing silver powder from flowing out through the drainage holes. Meanwhile, washing can be carried out by injecting water into the silver powder box, so that silver powder in the silver powder box is neutral, and liquid in the silver powder box flows out through the drainage hole; an inlet of the steam coil pipe is connected with an external high-temperature steam pipe, an outlet of the steam coil pipe is used for discharging steam and drying resi