The present invention relates to a waveguide of a dryer using microwaves. More specifically, an agricultural and marine food product is rapidly dried by using output energy of microwaves, and a refrigerated food product is dried after being thawed in a natural state. A dryer using microwaves of the present invention comprises: a frame (10) for forming a frame body a conveyor (20) circulated by the guidance of rollers (21) supported in both sides to be rotated with respect to the frame (10) a magnetron disposing chamber (30) disposed in the top side of the conveyor (20), and having magnetrons (35) in a position of installation holes (32) of blocking plate (31) coupled with a magnetron installation waveguide (36a) a drying chamber (40) for drying or thawing agricultural and marine food products by microwaves irradiated from the magnetrons (35) an electrical power supply chamber (50) having transformers (51) disposed therein to supply electrical power to each of the magnetrons (35) microwave shielding and absorbing units (60) disposed in an entrance side and an exit side of the frame (10) in which the conveyor (20) is moved, and shielding and absorbing leaked harmful waves of microwaves irradiated from the magnetrons (35) so as to prevent the leaked harmful waves from being leaked to the outside and a cavity box-type waveguide (36b) having an exit (37) punched to transfer microwave irradiated from the magnetrons (35) to the drying chamber (40), and having a blocking plate (38) formed on the inside of the exit (37) to pass microwaves and block foreign materials.COPYRIGHT KIPO 2016본 발명은 마이크로파를 이용한 건조기의 도파관에 관한 것으로, 보다 상세하게는 마이크로파의 출력 에너지를 이용하여 농수산 식품의 경우는 신속히 건조시키고, 냉동된 식품은 자연 상태로 해동 후 건조시킬 수 있도록 발명된 것이다.본 발명의 구성은, 틀체를 형성하는 후레임(10)과, 이 후레임(10)에 회전 가능하게 양측에서 지지되는 로울러(21)들의 안내로 순환하는 콘베이어(20)와, 상기 콘베이어(20) 상부 측에 위치되며 마그네트론 설치 도파관(36a)과 체결하는 막음판(31)의 설치구멍(32)들의 위치로 마그네트론(35)들이 설치되는 마그네트론 거치실(30)과, 상기 마그네트론(35)으로부터 마이크로파가 조사되어 마이크로파에 의해 진행되는 농수산 식품들을 건조 또는 해동시키는 건조실(40)과, 이 마
