PURPOSE: A multifunctional grain roasting apparatus is provided to roast grains in various modes of direct firing, hot air roasting, and half hot air roasting.CONSTITUTION: A multifunctional grain roasting apparatus comprise: a body(110) comprising an inlet(111), an outlet(112), and a drum outlet(113) a drum part(120) formed with a drum, and attachable and detachable inside the body, and a drum holding unit formed by surrounding the drum a drum rotary part(130) rotating the drum by combining with the drum holding unit a heater heating the drum by being formed inside of the body and a control part(150) controlling the drum rotary part and the heater by being formed in a side of the body. The drum is formed in a ceramic material or a metal. The heater comprises a heating unit, a hot air supply unit, and an air outlet(143). The control part comprises an input unit receiving information on the modes of roasting, the kinds of grain, and the kinds of the installed drum.COPYRIGHT KIPO 2013본 발명은 드럼이 탈착 가능하고 화염방지수단과 열풍공급수단을 구비하여 하나의 볶음장치에서 다양한 방식의 볶음 방식의 사용이 가능하며, 각각의 커피콩에 따른 최적화된 형태 및 재질의 드럼 사용이 가능하고, 드럼을 분리하여 내부를 청소하여 내부 청소가 용이하며, 커피콩의 종류에 따라 제어부를 이용하여 드럼의 회전속도 및 가열부의 화력의 세기를 제어할 수 있어 자동화가 가능한 다기능 곡물 볶음장치이다.
