Gypsum Cement Anti-Blocking Discharger, also known as star-type discharger, electric ash discharge valve, rotary feeder, and airlock valve. The flange interface methods for the inlet and outlet of the star-type discharger mainly include two types: square port (Type A) and round port (Type B). The YJD-A star-type discharger refers to a discharger with a square flange interface, which is the most widely used.YJD and XLD series discharge devices are divided into three parts: motor, gear differential planetary reducer (Y) or cycloidal pinwheel reducer (X), and rotary ash discharge valve. There are four series and 48 specifications.