操cao作zuo員yuan將jiang裝zhuang有you物wu料liao的de托tuo盤pan放fang入ru烤kao箱xiang，機ji器qi開kai始shi幹gan燥zao物wu料liao。在zai此ci期qi間jian
，機ji器qi中zhong的de鼓gu風feng機ji產chan生sheng工gong藝yi所suo需xu的de熱re空kong氣qi

，熱re空kong氣qi通tong過guo渦wo流liu管guan到dao達da烘hong箱xiang內nei腔qiang。接jie下xia來lai，操cao作zuo員yuan移yi除chu幹gan燥zao材cai料liao，並bing將jiang過guo程cheng中zhong使shi用yong的de空kong氣qi作zuo為wei下xia一yi次ci使shi用yong的de空kong氣qi源yuan進jin行xing循xun環huan。