Dry ash delivery valve

The utility model relates to a dry ash conveying valve which comprises a valve body, a channel steel, a valve core, a cylinder and a geared mechanism. A cylinder base is installed on the channel steel; the cylinder is installed on the cylinder base through a pin; a connecting rod plug is installed at one end of a connecting rod of the cylinder and connected with one end of a main driving arm through a driving pin and a universal bearing; the other end of the main driving arm is connected with one end of a driving shaft through a square key; the other end of the driving shaft is connected with one end of an assistant driving arm through a key; the other end of the assistant driving arm is connected with the top end of the valve core through a valve core pin; the assistant driving arm is positioned in the valve body; the valve core can move up and down in and out of the valve body; and the channel steel is connected with the valve body through a reinforcing plate. By adopting a pneumatic driving manner, the val