Dry ash discharging system capable of preventing ash leakage for fly ash warehouse

The utility model discloses a coal ash warehouse dry ash discharging system capable of preventing ash leakage, and belongs to the technical field of heat energy boiler equipment. The fly ash warehouse dry ash discharging system capable of preventing ash leakage comprises a non-rising stem gate valve communicated with an ash leakage opening of an ash warehouse, a valve stem cavity of the non-rising stem gate valve is filled with elastic filler used for preventing dry ash from entering the valve stem cavity, a discharging opening of the non-rising stem gate valve is communicated with a pneumatic discharging valve, and the pneumatic discharging valve is communicated with an air source device; and the rising stem gate valve is arranged between the discharge port of the pneumatic discharge valve and the dry ash bulk machine. According to the fly ash warehouse dry ash discharging system capable of preventing ash leakage, the elastic filler is arranged in the valve rod cavity of the non-rising stem gate valve, so th