It has the functions of frequency conversion speed adjusting, automatic / manual control of front and back running, stopping, mist spraying, material feeding, temperature improving / decreasing, humidity increasing / decreasing, numerical control rotation speed, positioned stopping, flexible starting and retarding braking, as well as time-delay start and stop, timer alarm, protection against fault, safety pre-alarming, etc. Especially, the drum door adopts the air cylinder drive ad consequi facilis operationem et reliable signantes effectus. In apparatus est installed in integralis structuram ad animadverto commodius operationem et reliable obsignationem. Est idealis productum reponere importari unum cum toto installation, firmum operationem, altius automatization, industria salute, environmental tutela et pulcher aspectu.
